Instruction/ maintenance manual of the product NX7220 HP (Hewlett-Packard)
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Main tenan ce and Ser vice Gui de HP P a v ilio n dv4 200 Noteboo k P C Co mpaq Pr es ari o V4 200 Notebook PC HP C ompaq nx7 2 20 Noteboo k P C Doc ument P art Number: 3 99 03 9-001 October 200 5 This guide is a troubleshooting reference used for maintaining and servicing the computer .
© Copyright 2005 He wlett-Packard De velopment Company , L.P . Microsoft and W indows are U.S. re gistered trademarks of Microsoft Corporation. Intel, Pentium, and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
Maintenance and Serv ice Guide iii Cont ent s 1 Product Description 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Resetting the Computer . . . . . . . . . . . . . . . . . . . . . . . 1–5 1.3 Power Management .
iv Maintenance and Servi ce Guide Cont en ts 3 Illustrated Parts Catalog 3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1 3.2 Computer Major Components . . . . . . . . . . . . . . . . . . 3–2 3.3 Display Assembly Subcomponents: HP Pavilion dv4200 Models .
Conte nts Maintenance and Servi ce Guide v 5 Removal and Replacement Procedures 5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2 5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–3 5.3 Preparing the Computer for Disassembly .
vi Maintenance and Servi ce Guide Cont en ts 6 Specifications A Connector Pin Assignments B Power Cord Set Requirements C Screw Listing D Display Component Recycling Index.
Maintenance and Serv ice Guide 1–1 1 Product Des c ription The HP Pa vilion dv4200 Notebook PC 1 , Compaq Presario V4200 Notebook PC, and HP Compaq nx7220 Notebook PC 2 of fer advanced modularity , Intel® Pentium® M and Celeron® M processors, an d extensi ve multimedia support.
1–2 Maintenance and Servi ce Guide Produc t Descr iption 1.1 F e a t u r e s ■ Intel Pentium M 2.00-, 1.73-, 1.60-, or 1.50-GHz processors, or Intel Celeron M 1.60-, 1.50-, or 1.40-GHz processors, v arying by computer model ■ 15.4-inch, WXGA, TFT (1280 × 800) with BrightV iew display , or 15.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–3 ■ 12- or 6-cell Li-Ion battery pack, v arying by computer model ■ Stereo speakers ■ V olume up, vo lume mute, and volume do wn buttons.
1–4 Maintenance and Servi ce Guide Produc t Descr iption ■ Connectors: ❏ Audio-in (microphone) ❏ Audio-out (headphone) ❏ Digital Media Slot (full-featured models only) ❏ Expansion port (fu.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–5 1 .2 Reset tin g t he C omp uter If the computer you are servicing has an unkno wn password, follo w these steps to clear the password. These steps also clear CMOS: 1. Prepare the computer for disassembly (refer to Section 5.
1–6 Maintenance and Servi ce Guide Produc t Descr iption 1. 3 P o w e r M a n a g e m e n t The computer comes with po wer management features that extend battery operating time and conserv e power .
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–7 1 .4 External C ompon ents The external components on the front of the computer are sho wn belo w and described in T able 1-1. Depending on your computer model, component locations may v ary .
1–8 Maintenance and Servi ce Guide Produc t Descr iption The external components on the right side of the HP P avilion dv4200 are sho wn below and described in T able 1-2.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–9 Ta b l e 1 - 2 Right-Side Components, HP P avilion d v4200 Item Component Function 1 Optical drive Suppor ts an optical disc, such as a C D o r DV D. 2A u d i o - o u t (headphone) jack (full-fe atured models only) Connects an optional headphone or powered stereo speak ers.
1–10 Maintenance and Servi ce Guide Produc t Descr iption The external components on the right side of the Compaq Presario V4200 and HP Compaq nx7220 are sho wn belo w and described in T able 1-3. Depending on your computer model, component locations may v ary .
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–11 Ta b l e 1 - 3 Right-Side Components Compaq Presario V4200 and HP Compaq nx7220 Item Component Function 1 Optical drive Suppor ts an optical disc, such as a C D o r DV D. 2 A udio-out (headphone) jack (full-f eatured models only) Connects an optional headphone or powered stereo speak ers.
1–12 Maintenance and Servi ce Guide Produc t Descr iption The external components on the left side of the HP P avilion dv4200 are sho wn below and described in T able 1-4.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–13 6 1394 por t (4-pin; full-f eatured models only) Connects an optional 1394a de vice such as a scanner , a digital camera, or a digital camcorder .
1–14 Maintenance and Servi ce Guide Produc t Descr iption The external components on the left side of the Compaq Presario V4200 and HP Compaq nx7220 are sho wn below and described in T able 1-5. Depending on your computer model, component locations may v ary .
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–15 6 1394 por t (4-pin; full-f eatured models only) Connects an optional 1394a de vice such as a scanner , a digital camera, or a digital camcorder .
1–16 Maintenance and Servi ce Guide Produc t Descr iption The standard ke yboard components of the computer are shown belo w and described in T able 1-6.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–17 T able 1-6 Standard K eyboar d Components Item Component Function 1 fn ke y Combines with other ke ys to perform system tasks as hotke ys. F or e xample, pressing fn+f7 decreases screen brightness.
1–18 Maintenance and Servi ce Guide Produc t Descr iption The top components on HP Pa vilion dv4200 models are shown belo w and described in T able 1-7. T op Components, HP P av ilion dv4 200 Models T able 1-7 T op Components, HP Pa vilion dv4200 Item Component Function 1P o w e r l i g h t ■ On: Computer is turned on.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–19 3 Quick Launch b uttons (select models only) Launch defa ult multimedia, digital imaging, or music applications (v ar y by model). 4 V olume mute b utton Mute s or restores volume . 5 Wireless light (select models only) On: One or more internal wireless devices hav e been turned on.
1–20 Maintenance and Servi ce Guide Produc t Descr iption The top components on Compaq Presario V4200 and HP Compaq nx7220 models are sho wn below and described in T able 1-8.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–21 T able 1-8 T op Components Compaq Presario V4200 Models and HP Compaq nx7220 Item Component Function 1 Wireless button (select models only) T urns the wireless functionality on or off, but does not create a wireless connection.
1–2 2 Maintenance and Servi ce Guide Produc t Descr iption The HP Pa vilion dv4200 computer T ouchPad components are sho wn below and described in T able 1-9. T ouchP ad Components, HP P avili on dv4 200 T able 1-9 T ouchP ad Components, HP Pa vilion dv4200 Item Component Function 1 T ouchP ad Mov es the pointer .
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–2 3 The Compaq Presario V4200 and HP Compaq nx7220 computer T ouchPad components are sho wn below and described in T able 1-10.
1–2 4 Maintenance and Servi ce Guide Produc t Descr iption The external components on the bottom of the computer are sho wn below and described in T able 1-11. Bottom Components T able 1-11 Bottom Components Item Component Function 1 Battery bay Holds a batter y pack.
Pr oduct Desc ripti on Maintenance and Serv ice Guide 1–2 5 4 Optical drive Suppor ts an optical disc, such as a C D o r DV D. 5 Labels area Contains the serial number and other inf or mation labels. 6 Battery pack release latch Releases a batter y pack from the battery ba y .
1–2 6 Maintenance and Servi ce Guide Produc t Descr iption 1. 5 D e s i g n O v e r v i e w This section presents a design ov erview of k ey parts and features of the computer . Refer to Section , “Illustrated Parts Catalog, ” to identify replacement parts, and Section , “Remov al and Replacement Procedures, ” for disassembly steps.
Maintenance and Serv ice Guide 2–1 2 T r oubl eshooting Å W ARNIN G: Only au thori z ed techni ci ans trained b y HP should r epair this equipment . All tr oubleshooting and r epair pr ocedures are detailed to allo w only subas sembly-/module-level r epair .
2–2 Maintenance and Servi ce Guide T roubleshooting Acce ssing Compute r Setup The information and settings in Computer Setup are accessed from the File , Security , To o l s , and Advanced menus. 1. Open Computer Setup by turning on or restarting the computer .
T roubleshooting Maintenance and Serv ice Guide 2–3 4. T o confirm the restoration, press f10 . 5. Select File > Sa ve changes and exit , and then follo w the instructions on the screen. When the computer restarts, the factory settings are restored, and any identif ication information you hav e entered is sav ed.
2–4 Maintenance and Servi ce Guide T roubleshooting Selectin g from the Securit y Menu Ta b l e 2 - 2 Security Menu Select T o Do This Administrator pass word Enter , change , or delete an HP Administrator pass word. P ow er-on password Enter , change, or delete a po wer-on passw ord.
T roubleshooting Maintenance and Serv ice Guide 2–5 Selectin g from the T ools Menu Ta b l e 2 - 3 To o l s M e n u Select T o Do This HDD Self T est options Run a quic k or comprehensive self-test on any hard drive in the system. Battery Inf or mation View inf or matio n about any batter y packs in the computer .
2–6 Maintenance and Servi ce Guide T roubleshooting Selec ting from the Adv anced Menu Ta b l e 2 - 4 Adv anced Menu Select T o Do This Language (or press f2 ) Change the Computer Setup language. Boot options ■ Enable/Disab le MultiBoot, which sets a star tup sequence that can include most bootable de vices and media in the system.
T roubleshooting Maintenance and Serv ice Guide 2–7 2.2 T roubleshooting Flo wc har ts Ta b l e 2 - 5 T roubleshooting Flo wcharts Over view Flowchart Description 2.1 “Flowchart 2.1—Initial T roubleshooting” 2.2 “Flowchart 2.2—No Po wer , Part 1” 2.
2–8 Maintenance and Servi ce Guide T roubleshooting Flowchart Description 2.14 “Flowchart 2.14—No OS Loading, Optical Dr ive” 2.15 “Flowchart 2.15—No Audio , P ar t 1” 2.16 “Flowchart 2.16—No Audio , P ar t 2” 2.17 “Flowchart 2.17—Nonfunctioning Device” 2.
T roubleshooting Maintenance and Serv ice Guide 2–9 Flo wch ar t 2. 1—Initi al T roubleshootin g Connecting to network or modem? Begin troubleshooting. Is there power? Is the OS loading? Is there video? (no boot) Is there sound? Beeps, LEDs, or error messages? Keyboard/ pointing device working? Go to “Flowchart 2.
2–10 Maintenance and Servi ce Guide T roubleshooting Flo wch ar t 2.2—No P o w er , P ar t 1 1. Reseat the power cables in the docking device and at the AC outlet. 2. Ensure the AC power source is active. 3. Ensure that the power strip is working.
T roubleshooting Maintenance and Serv ice Guide 2–11 Flo wc har t 2.3—No P ow er , Part 2 Continued from “Flowchart 2.2—No P ower , Pa r t 1 . ” Visually check for debris in batter y socket and clean if necessary . Done N Y Po we r o n ? Check batter y by recharging it, moving it to another computer , or replacing it.
2–12 Maintenance and Servi ce Guide T roubleshooting Flo wch ar t 2.4—No P o w er , P ar t 3 Continued from “Flowchart 2.3—No P ower , Pa r t 2 . ” Reseat AC adapter in computer and at pow er so urce . Internal or external AC adapter? Done Done Done Done Po we r o n ? Pow e r o n ? Po we r o n ? Plug directly into AC outlet.
T roubleshooting Maintenance and Serv ice Guide 2–13 Flowc ha r t 2.5 —N o P o wer , P ar t 4 Y N Continued from “Flowchart 2.4—No P ower , Pa r t 3 . ” Reseat loose components and boards and replace damaged items. Open computer . Loose or damaged parts? Y Close computer and retest.
2–14 Maintenance and Servi ce Guide T roubleshooting Flo wch ar t 2.6—No Video, P ar t 1 A N Stand-alone or docking device? No video. Replace the following one at a time. T e st after each replacement. 1. Cable between computer and computer display (if applicable) 2.
T roubleshooting Maintenance and Serv ice Guide 2–15 Flo wch ar t 2.7—No Video, P ar t 2 Y N Continued from “Flowchart 2.6—No Video , Pa r t 1 .
2–16 Maintenance and Servi ce Guide T roubleshooting F lo w char t 2 . 8— No nf u nct io ni ng D ock in g D e vi c e (if applicable ) Y N Reseat power cord in docking device and power outlet. N Check voltage setting on docking device. Reset monitor cable connector at docking device.
T roubleshooting Maintenance and Serv ice Guide 2–17 Flo wch ar t 2.9—No O peratin g S y s tem (OS) Loading No OS loading from hard drive, go to “Flowchart 2.10—No OS Loading, Hard Drive, P ar t 1. ” Reseat power cord in docking device and power outlet.
2–18 Maintenance and Servi ce Guide T roubleshooting Flo wc har t 2. 1 0—No OS Loa ding , H ard Driv e, Pa r t 1 Go to “Flowchart 2.17—Nonfunctioning Device . ” Y Done N OS not loading from hard drive. Nonsystem disk message? Go to “Flowchart 2.
T roubleshooting Maintenance and Serv ice Guide 2–19 Flowc h ar t 2. 1 1—N o O S L oa di ng , H ard Drive, Pa r t 2 Load OS using Operating System disc (if applicable). Continued from “Flowchart 2.10—No OS Loading, Hard Drive, P ar t 1. ” Reseat hard drive.
2–20 Maintenance and Servi ce Guide T roubleshooting Flo wch ar t 2. 1 2—N o OS Loadin g, H ard Driv e, Pa r t 3 Y System files on hard drive? Continued from “Flowchart 2.11—No OS Loading, Hard Drive, P ar t 2. ” Clean virus. Done N Install OS and reboot.
T roubleshooting Maintenance and Serv ice Guide 2–21 Flo wch ar t 2. 1 3—N o OS Loadin g , Disk et te Drive Replace the following components individually , retesting after each replacement: ■ Diskette drive ■ System board Done Y N Reseat diskette drive.
2–2 2 Maintenance and Servi ce Guide T roubleshooting Flo wc har t 2. 1 4 —No OS Loadin g , Opti cal Driv e Y Done N Bootable disc in drive? Disc in drive? No OS loading from CD-ROM or DVD-ROM drive. Install bootable disc and reboot computer . Go to “Flowchart 2.
T roubleshooting Maintenance and Serv ice Guide 2–2 3 Flo wc har t 2. 1 5—No Audio, Part 1 No audio. N Computer in docking device (if applicable)? Internal audio? Audio? Done Undock Audio? Done T urn up audio internally or externally . Go to “Flowchart 2.
2–2 4 Maintenance and Servi ce Guide T roubleshooting Flo wc har t 2. 1 6—N o Audio, P ar t 2 YN Continued from “Flowchart 2.15—No Audio , Pa r t 1 . ” Reload audio drivers. Audio driver in OS configured? Audio? Y Y Y N N N Correct drivers for application? Connect to external speaker .
T roubleshooting Maintenance and Serv ice Guide 2–2 5 Flo wch ar t 2. 1 7—Nonfunc tionin g De vice Done Any physical device detected? Y N Unplug the nonfunctioning device from the computer and inspect cables and plugs for bent or broken pins or other damage.
2–2 6 Maintenance and Servi ce Guide T roubleshooting Flo wch ar t 2. 1 8—N onfunc tionin g K ey board Y N Keyboard operating properly? Keyboard not operating properly . External device works? Replace system board. Replace system board. Connect computer to good external keyboard.
T roubleshooting Maintenance and Serv ice Guide 2–2 7 Flo wch ar t 2. 1 9—Nonfun c tioning P ointing De vice Y N Pointing device not operating properly . External device works? Replace system board. Replace system board. Connect computer to good external pointing device.
2–2 8 Maintenance and Servi ce Guide T roubleshooting Flo wch art 2.20—N o Net wor k/Modem Conne ction Y Disconnect all power from the computer and open. No network or modem connection. N Done Digital line? Network or modem jack active? Replace jack or have jack activated.
Maintenance and Serv ice Guide 3–1 3 I llustra ted P ar ts C a talog This chapter provides an illustrated parts breakdo wn and a reference for spare part numbers. 3. 1 S erial N umber Location When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer .
3–2 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3.2 Comp uter M ajor Com ponents Comp ute r Major Componen ts, HP P av ilion d v4 200.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–3 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components Item Description Spare P ar t Number 1 Display assemb lies (include display cab le, wireless antenna boards, and antenna cables) F or use with HP P avilion dv4200 models 15.
3–4 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Components , Compaq Pr esario V4 200 and HP C ompaq nx7 2 20.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–5 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 2 Switch co vers (Continued; .
3–6 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Componen ts, HP P av ilion d v4 200.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–7 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 4 T op cover s F or use with .
3–8 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Components , Compaq Pr esario V4 200 and HP C ompaq nx7 2 20.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–9 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 8 System board shields F or u.
3–10 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Componen ts, HP P av ilion d v4 200.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–11 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 14 Base enclosures F or use .
3–12 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Components , Compaq Pr esario V4 200 and HP C ompaq nx7 2 20.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–13 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 16 Mini PCI communications modules F or use with HP P avilion dv4200 and Compaq Presar io V4200 models 802.
3–14 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Componen ts, HP P av ilion d v4 200.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–15 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 18 Battery packs F or use with HP P avilion dv4200 and Compaq Presar io V4200 models 12-cell, 8.
3–16 Maintenance and Servi ce Guide Illustrated P a rts Catal og Comp ute r Major Components , Compaq Pr esario V4 200 and HP C ompaq nx7 2 20.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–17 Ta b l e 3 - 1 Spare P ar ts: Computer Major Components (Continued) Item Description Spare P ar t Number 20 RTC battery (includes 2-s.
3–18 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3 .3 Di splay Assembl y Subcompon ents: HP P avilion dv4 200 Models.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–19 T able 3-2 HP P avilion dv4200 Display Assemb ly Subcomponent Spare P ar t Number Information Item Description 1a 1b Display Plastics.
3–20 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3 .4 Di splay Assembl y Subcom ponents: C ompa q Presario V4 200 an d HP C ompa q nx7 2 20 Models.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–21 T able 3-3 Compaq Presario V4200 and HP Compaq nx7220 Models Display Assemb ly Subcomponent Spare P ar t Number Information Item Desc.
3–2 2 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3.5 Miscell aneous Doors/Co v ers Kit Spar e P art Inf ormati on.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–2 3 T able 3-4 Miscellaneous Doors/Co vers Kit Spare P ar t Information Item Description Spare P ar t Number Miscellaneous Plastics Kit .
3–2 4 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3.6 Miscell aneous C a ble Kit.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–2 5 Ta b l e 3 - 5 Miscellaneous Cable Kit Spare P ar t Number 383468-001 Item Description Spare P ar t Number Miscellaneous Cable Kit, .
3–2 6 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3.7 M a s s S t ora g e D evices.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–2 7 Ta b l e 3 - 6 Mass Storage Devices Spare P ar t Number Information Item Description Spare P ar t Number 1 Hard drives (include fram.
3–2 8 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3.8 Miscell aneous (N ot I llustra ted) Ta b l e 3 - 7 Miscellaneous (Not Illustrated) Spare P ar t Information Description Spare P .
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–2 9 Screw Kits (include the f ollowing scre ws; refer to Appendix C , “Screw Listing, ” f or more information on specifications and usage) ■ Phillips PM2.5×8.0 screw ■ Phillips PM2.
3–30 Maintenance and Servi ce Guide Illustrated P a rts Catal og 3.9 Sequen tial P art N umber Listin g Ta b l e 3 - 8 Sequential P ar t Number Listing Spare P ar t Number Description 309674-001 USB tra vel mouse 364727-001 USB digital drive 371693-001 Wired headset with volume control 375759-001 All-in-one media cable II 378972-001 802.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–31 383479-001 15.4-inch, WXGA, TFT disp la y assembly with BrightView f or use with Compaq Presario V4 200 models (includes display cabl.
3–3 2 Maintenance and Servi ce Guide Illustrated P a rts Catal og 383495-031 K eyboard f or use with HP P avilion dv4200 models in the United Kingdom 383495-041 K eyboard f or use with HP P avilion .
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–3 3 383495-BB1 K eyboard f or use with HP P avilion dv4200 models in Israel 383496-001 P ower cord f or use in Can ada, F rench Canada, .
3–34 Maintenance and Servi ce Guide Illustrated P a rts Catal og 384627-001 Miscellaneous Doors/Cov ers Kit for use with Compaq Presario V4200 models 384628-001 Screw Kit f or use with fu ll-f eatur.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–3 5 384635-331 K eyboard f or use with Co mpaq Presario V4200 models in the Netherlands 384635-AD1 K eyboard f or use with Co mpaq Presa.
3–3 6 Maintenance and Servi ce Guide Illustrated P a rts Catal og 396705-001 D VD±RW and CD-R W Do uble La yer Combo Drive with LightScribe for use with Co mpaq Presario V4200 models 396707-001 D V.
Illustr ated P ar ts Catalog Maintenance and Serv ice Guide 3–3 7 403252-001 15.4-inch WXGA displa y pane l with BrightView f or use with HP Compaq nx7220 models (includes wireless antenna transceiv.
3–38 Maintenance and Servi ce Guide Illustrated P a rts Catal og 403917-001 System board shield f or us e with HP Pa vilion dv4200 models 403918-001 Displa y Panel Kit (includes displa y inverter an.
Maintenance and Serv ice Guide 4–1 4 Remo v al and Rep la cemen t Preliminaries This chapter provides essential information for proper and safe remov al and replacement service.
4–2 Maintenance and Servi ce Guide Remo val and R eplacement Pr eliminari es 4.2 Ser vice Consi dera tions The follo wing sections include some of the considerations that you should keep in mind during disassembly and assembly procedures.
Remo val and R eplacement Pr eliminarie s Maintenance and Serv ice Guide 4–3 4. 3 Pr e v enting Da mage to Re mo v able Dri v es Remov able dri ves are fragile components that must be handled with care.
4–4 Maintenance and Servi ce Guide Remo val and R eplacement Pr eliminari es 4.4 Pre v enting Elec trosta tic D ama ge Many electronic components are sensiti ve to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensiti vity .
Remo val and R eplacement Pr eliminarie s Maintenance and Serv ice Guide 4–5 4.5 P ac k agin g and T ranspor ting Precautions Use the follo wing grounding precautions when packaging and transporting equipment: ■ T o av oid hand contact, transport products in static-safe containers, such as tubes, bags, or boxes.
4–6 Maintenance and Servi ce Guide Remo val and R eplacement Pr eliminari es 4.6 W orks tation Precau tions Use the follo wing grounding precautions at workstations: ■ Cov er the workstation with approv ed static-shielding material (refer to T able 4-2, “Static-Shielding Materials” ).
Remo val and R eplacement Pr eliminarie s Maintenance and Serv ice Guide 4–7 4.7 Groundin g Eq uipm ent an d Methods Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ■ When seated, wear a wrist strap connected to a grounded system.
4–8 Maintenance and Servi ce Guide Remo val and R eplacement Pr eliminari es T able 4-1 shows ho w humidity affects the electrostatic v oltage le vels generated by dif ferent activities. T able 4-2 lists the shielding protection provided by antistatic bags and floor mats.
Maintenance and Serv ice Guide 5–1 5 Remo v al and Rep la cemen t Procedur es This chapter provides remo val and replacement procedures. There are as many as 89 scre ws and scre w locks, in 11 different sizes, that may hav e to be remov ed, replaced, or loosened when servicing the computer .
5–2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5 . 1 Serial N umber Report the computer serial number to HP when requesting information or ordering spare parts.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–3 5 .2 Disasse mbl y Sequence C hart Use the chart belo w to determine the section number to be referenced when removing computer components. Disassembl y Sequence Char t Section Description # of Screws Remo ved 5.
5–4 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es Section Description # of Screws Remo ved 5.11 Processor 1 loosened 512 Switch Cov er 3 on Compaq Presario V4200 and HP Compaq nx7220 models 5.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–5 5 .3 Preparing th e Co mpu ter for Disasse mbl y Before you begin an y remov al or installation procedures: 1.
5–6 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 4. Remov e the battery pack by follo wing these steps: a. T urn the computer upside down with the front to ward you. b . Slide and hold the battery release latch 1 to the left.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–7 5 .4 Hard Driv e 1. Prepare the computer for disassembly ( Section 5.3 ). Hard Drive Spare P ar t Number Information F or use.
5–8 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 2. Loosen the 2 Phillips PM2.0×5.0 scre ws 1 that secure the hard dri ve cov er to the computer . 3. Lift the right side of the cov er up and swing it to the left 2 . 4. Remov e the hard driv e cov er .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–9 5. Use the tab 1 on the right side of the hard dri ve to pull the hard dri ve to the left 2 until it disconnects from the computer . 6. Lift the hard dri ve straight up 3 and remov e it from the hard dri ve bay .
5–10 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 7. Remov e the 4 Phillips PM2.5×4.0 screws 1 that secure the hard dri ve frame to the hard dri ve. 8. Slide the frame forward 2 to remo ve if from the hard dri ve. Re mov ing the Hard Dr i ve F r ame Re verse the abov e procedure to reassemble and install the hard dri ve.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–11 5. 5 C o m p u t e r Fe e t The computer feet are adhesi ve-backed rubber pads.
5–12 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es Replac ing the Computer F eet, C ompaq Presar io V4 200 and HP C ompaq nx7 2 20 Models.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–13 5 .6 Optical Driv e 1. Prepare the computer for disassembly ( Section 5.3 ).
5–14 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 3. Remov e the Phillips PM2.5×7.0 screw 1 that secures the optical dri ve to the computer . 4. Insert a thin tool, such as a paper clip, into the media tray release hole 2 .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–15 5. 7 M e m o r y M o d u l e 1. Prepare the computer for disassembly (refer to Section 5.
5–16 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 2. Loosen the 3 Phillips PM2.0×5.0 scre ws 1 that secure the memory module compartment cov er to the computer . 3. Lift the left edge of the cov er up and swing it to the right 2 .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–17 5. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the module opposite the socket rises a way from the computer .
5–18 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5 .8 Mini PCI Comm unica tions Module 1. Prepare the computer for disassembly ( Section 5.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–19 3. Disconnect the auxiliary and main antenna cables 1 from the Mini PCI communications module. 4. Spread the retaining tabs 2 on each side of the Mini PCI socket to release the Mini PCI communications module.
5–20 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 9 R TC B a t t e r y 1. Prepare the computer for disassembly ( Section 5.3 ). 2. Remov e the Mini PCI communications module ( Section 5.8 ). 3. Disconnect the R TC battery cable 1 from the system board.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–21 5 . 1 0 Heat Sink 1. Prepare the computer for disassembly ( Section 5.3 ). Heat Sink Spare P ar t Number Information Heat si.
5–2 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 2. Remov e the Phillips PM2.0×5.0 screw 1 that secures the thermal cov er to the computer .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–2 3 ✎ The follo wing screws should be remo ved and installed in the 1, 2, 3, 4 sequence stamped on the heat sink. 5. Remov e the 4 Phillips PM2.0×12.0 spring-loaded shoulder scre ws 1 that secure the heat sink to the computer .
5–2 4 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es ✎ The thermal paste should be thoroughly cleaned from the surfaces of the heat sink 1 and processor 2 each time the heat sink is remov ed. Thermal paste is included with all heat sink and processor spare part kits.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–2 5 5. 1 1 P r o c e s s o r 1. Prepare the computer for disassembly ( Section 5.3 ). 2. Remov e the heat sink ( Section 5.10 ). Processor Spare P ar t Number Information Intel P entium M 2.
5–2 6 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 3. Use a flat-blade scre wdriv er to turn the processor locking scre w one-quarter turn counterclockwise 1 until you hear ac l i c k . 4. Lift the processor straight up and remov e it 2 .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–2 7 5. 1 2 Sw i t c h C ove r 1. Prepare the computer for disassembly ( Section 5.
5–2 8 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es ✎ Steps 2 and 3 apply to Compaq Presario V4200 and HP Compaq nx7220 models. 2. T urn the computer upside down with the rear panel to ward you. 3. Remov e the 3 Phillips PM2.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–2 9 4. T urn the computer right-side up with the front toward you. 5. Open the computer as far as possible. 6. Press and hold do wn the insert key 1 . 7. Insert a flat blade tool into the notch in the switch cov er behind the insert ke y and lift the switch cover 2 .
5–30 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 1 3 Ke y b o a r d Ke yboard Spare P ar t Number Information F or use with HP Pa vilion dv4200 models: Belgium Denmark E.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–31 1. Prepare the computer for disassembly ( Section 5.3 ). 2. Release the switch cov er ( Section 5.12 ). 3. Remov e the 4 Phillips PM2.0×2.0 screws that secure the ke yboard to the computer .
5–3 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 4. Lift the rear edge of the ke yboard and swing it forward until it rests on the palm rest.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–3 3 5. Release the ZIF connector 1 to which the ke yboard cable is connected and disconnect the ke yboard cable 2 from the system board.
5–34 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 7. Disconnect the LED board cable 1 from the system board. 8. Remov e the switch cov er 2 . Re mov ing the S w itch C ov er Re verse the abov e procedure to install the ke yboard and switch cov er .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–3 5 5 . 1 4 Di splay Assembl y ✎ All display assembly spare part kits include a display cable, wireless antenna transcei vers, and wireless antenna cables. 1. Prepare the computer for disassembly ( Section 5.
5–3 6 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es Remo ving the Displa y Scr e ws.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–3 7 7. T urn the computer right-side up with the front toward you. 8. Open the display as far as possible. 9. Remov e the wireless antenna cables 1 from the clips in the top cov er .
5–38 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es Ä CAUT ION: Support the display a ssembl y when r emov ing the fo llow ing scr ews . F ailure to support the displa y assembl y can re sult in damage to the display a ssembly and othe r computer components .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–3 9 ✎ Steps 14 through 25 apply to HP Pa vilion dv4200 models. See steps 26 through 38 in this section to disassemble the display assembly on Compaq Presario V4200 and HP Compaq nx7220 models.
5–40 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 13. Remov e the 6 rubber screw co vers 1 and 2 and six PM2.5×7.0 scre ws 3 that secure the display bezel to the display assembly . ✎ The rubber scre w covers are included in the Display Scre w Kit, spare part number 403923-001.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–41 14. Flex the inside edges of the left and right sides 1 of the display bezel and the inside edges of the top and bottom sides 2 of the display bezel until the bezel disengages from the display assembly .
5–4 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 16. Remov e the Phillips PM2.5×5.0 screws 1 that secure each display release hook to the display enclosure.
Remo val and R eplacement Pr ocedures Maintenance and Servi ce Guide 5 –4 3 18. Remov e the 3 Phillips PM2.5×7.0 screws 1 that secure each display hinge to the display enclosure.
5–44 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 20. Remov e the 6 Phillips PM2.5×5.0 screws 1 that secure the display panel to the display enclosure.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–4 5 22. Release the retention tabs 1 b uilt in to the display enclosure shield that secure the wireless antenna cables to the display enclosure. 23. Detach the wireless antenna transcei vers 2 from the display enclosure.
5–46 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 25. Remov e the 6 rubber screw co vers 1 and 2 and six PM2.5×7.0 scre ws 3 that secure the display bezel to the display assembly . ✎ The rubber scre w covers are included in the Display Scre w Kit, spare part number 403924-001.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–4 7 26. Flex the inside edges of the left and right sides 1 of the display bezel and the inside edges of the top and bottom sides 2 of the display bezel until the bezel disengages from the display assembly .
5–48 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 28. Remov e the 2 Phillips PM2.5×5.0 screws 1 that secure the display release hook to the display enclosure.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–4 9 30. Remov e the display hinge cov ers 1 . 31. Remov e the 3 Phillips PM2.5×7.0 screws 2 that secure each display hinge to the display enclosure. 32. Remov e the display hinges 3 .
5–50 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 33. Remov e the 6 Phillips PM2.5×5.0 screws 1 that secure the display panel to the display enclosure.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–51 35. Release the retention tabs 1 b uilt in to the display enclosure shield that secure the wireless antenna cables to the display enclosure. 36. Detach the wireless antenna transcei vers 2 from the display enclosure.
5–5 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 1 5 Top C ove r ✎ The top cov er remov al procedures in this section apply to HP Pa vilion dv4200 models. The spare part information listed in the follo wing table applies to HP Pa vilion dv4200, Compaq Presario V4200, and HP Compaq nx7220 models.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–5 3 3. Remov e the following: 1 Ele ven Phillips PM2.5×7.0 scre ws 2 T wo Phillips PM2.
5–54 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 4. T urn the computer right side up with the front toward you. 5. Release the ZIF connector 1 to which the T ouchPad cable is attached and disconnect the cable 2 from the system board.
Remo val and R eplacement Pr ocedures Maintenance and Servi ce Guide 5–5 5 7. Swing the rear edge of the top cov er up and forward 1 until it rests at an angle. 8. Lift the top cov er up and remov e it 2 . Remo ving the T op Co ver , HP P avili on dv4 200 Models Re verse the abov e procedure to install the top cov er .
5–5 6 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 1 6 B a s e E n c l o s u r e ✎ The base enclosure remov al procedures in this section apply to Compaq Presario V4200 and HP Compaq nx7220 models.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–5 7 3. Remov e the following scre ws: 1 One Phillips PM2.5×7.0 scre w 2 T wo Phillips PM2.
5–5 8 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 4. T urn the computer upside down with the front to ward you. 5. Remov e the following scre ws: 1 Nine Phillips PM2.5×7.0 scre ws 2 Four Phillips PM2.0×4.0 scre ws 6. Disconnect the speaker cable 3 .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–5 9 7. Lift the left and right rear corners 1 of the base enclosure until the rear edge of the base enclosure disengages from the computer . 8. Swing the rear edge of the base enclosure up and forward 2 until it disengages from the computer .
5–60 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 1 7 M o d e m B o a r d ✎ The modem board cannot be remov ed from Compaq Presario V4200and HP Compaq nx7220 models until after the system board has been remov ed. 1. Prepare the computer for disassembly ( Section 5.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–61 2. Remov e the 2 Phillips PM2.0×4.0 screws 1 that secure the modem board to the system board. 3. Lift the right side of the modem board 2 to disconnect the modem board from the system board.
5–6 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 1 8 Sys t e m B o a r d ✎ When replacing the system board, ensure that the follo wing components are remov ed from the defectiv e system board and installed on the replacement system board: ■ Memory module ( Section 5.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–6 3 d. Switch cov er ( Section 5.12 ) e. K eyboard ( Section 5.13 ) f. Display assembly ( Section 5.14 ) g. T op cover (HP P avilion dv4200 models, Section 5.15 ) h. Base enclosure (Compaq Presario V4200 and HP Compaq nx7220 models, Section 5.
5–64 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es ✎ Steps 4 through 18 apply to HP Pa vilion dv4200 models. See steps 19 through 25 in this section to remov e the system board on Compaq Presario V4200 and HP Compaq nx7220 models.
Remo val and R eplacement Pr ocedures Maintenance and Servi ce Guide 5–6 5 6. Slide the system board shield forward 1 and to the right 2 until the tabs 3 on the shield disengage from the base enclosure.
5–66 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 7. Lift up on the left side of the USB board frame 1 . 8. Press do wn on the right side of the system board shield 2 until the shield tab 3 disengages from the standof f on the bottom of the USB board frame.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–6 7 9. Slide the system board shield to the left 1 until it clears the USB board frame.
5–6 8 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es ✎ Steps 11 through 18 provide instructions for remo ving the USB board and frame on HP Pa vilion dv4200 models. Refer to Section 5.22, “USB Board, ” for instructions on remo ving the USB board and frame on Compaq Presario V4200 and HP Compaq nx7220 models.
Remo val and R eplacement Pr ocedures Maintenance and Servi ce Guide 5–6 9 12. Lift the left side of the USB board and frame 1 until it rests at an angle.
5–7 0 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 14. Remov e the 2 Phillips PM2.5×8.0 round head screws 1 and the Phillips PM2.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–71 15. Lift the left side of the USB board 1 until it rests at an angle. 16. Slide the USB board to the left 2 and remov e it from the frame.
5–7 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 17. Use the hard dri ve connector 1 to lift the right side of the system board 2 until it rests at an angle.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–7 3 ✎ Steps 19 through 25 apply to Compaq Presario V4200 and HP Compaq nx7220 models. 19. T urn the top cover right-side up with the front to ward you. 20. Disconnect the audio 1 , USB 2 , and Bluetooth cables 3 from the system board.
5–7 4 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 21. Release the ZIF connector to which the T ouchPad cable is attached and disconnect the cable 1 from the system board. 22. Remov e the 2 Phillips PM2.0×4.0 screws 2 that secure the system board to the top cov er .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–7 5 23. T urn the top cover upside do wn with the front to ward you. 24. Remov e the 2 Phillips PM2.5×7.0 screws 1 that secure the system board to the top cov er . 25. Use the hard dri ve connector 2 and fan frame 3 to lift the system board straight up and remov e it 4 .
5–7 6 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 1 9 P C C a r d A s s e m b l y 1. Prepare the computer for disassembly ( Section 5.3 ) and remov e the following components: a. Hard dri ve ( Section 5.4 ) b . Switch co ver ( Section 5.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–77 2. T urn the system board upside down with the audio jacks, USB ports, and external monitor port to ward you. 3. Remov e the 2 Phillips PM2.0×4.0 screws that secure the PC Card assembly to the system board.
5–7 8 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 4. T urn the system board top-side up with the audio jacks, USB ports, and external monitor port to ward you. 5. Disengage the hooks 1 on the PC Card assembly from the slots on the PC Card connector 2 and remov e the PC Card assembly from the system board.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–7 9 5. 2 0 Fa n A s s e m b l y ✎ The fan assembly is included in the heat sink assembly spare part kit, spare part number 384622-001. Refer to Section 5.10, “Heat Sink, ” for information on removing the heat sink.
5–80 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 3. Disconnect the fan cable 1 from the system board. 4. Remov e the 4 Phillips PM2.5×7.0 screws 2 that secure the fan assembly to the system board. 5. Remov e the fan assembly 3 .
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–81 6. Remov e the 3 Phillips PM2.0×4.0 screws 1 that secure the fan to the fan assembly . 7. Remov e the fan 2 . Re mov ing the F an Re verse the abov e procedure to reassemble and install the fan a sse mb ly .
5–8 2 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 2 1 S p e a ke r s 1. Prepare the computer for disassembly ( Section 5.3 ) and remov e the following components: a. Hard dri ve ( Section 5.4 ) b . Switch co ver ( Section 5.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5 –8 3 2. Remov e the 3 Phillips PM2.0×4.0 screws 1 that secure the left and right speakers to the base enclosure. 3. Remov e the left and right speakers 2 . Re mov ing the Speak ers Re verse the abov e procedure to install the speakers.
5–84 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 5. 22 U S B B o a r d ✎ This section applies to Compaq Presario V4200 and HP Compaq nx7220 models. Refer to steps 11 through 18 in Section 5.18, “System Board, ” for instructions for removing the USB board and frame on HP Pa vilion dv4200 models.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–85 3. Remov e the 3 Phillips PM2.0×4.0 screws 1 that secure the USB board and frame to the top cov er . 4. Remov e the Phillips PM 2.5×7.0 screw 2 that secures the USB board and frame to the top cov er .
5–8 6 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 7. Remov e the 2 Phillips PM2.0×4.0 screws 1 that secure the USB board to the frame. 8. Remov e the 2 Phillips PM2.5×8.0 screws 2 that secure the USB board to the frame. 9.
Remo val and R eplacement Pr ocedures Maintenance and Serv ice Guide 5–8 7 5 .2 3 Bluetooth Modul e 1. Prepare the computer for disassembly ( Section 5.3 ) and remov e the following components: a. Hard dri ve ( Section 5.4 ) b . Switch co ver ( Section 5.
5–88 Maintenance and Servi ce Guide Remo val and R eplacement Pr ocedur es 2. Remov e the 2 Phillips PM1.5×4.0 screws 1 that secure the Bluetooth module to the USB board frame. 3. Remov e the Bluetooth module 2 . Remo ving the Bluetooth Module Re verse the abov e procedure to install the Bluetooth module.
Maintenance and Serv ice Guide 6–1 6 Spec ifica tions This chapter provides physical and performance specif ications. Ta b l e 6 - 1 Computer Dimensions Metric U .S. Height Width Depth 3.35 cm 35.85 cm 25.78 cm 1.32 in 14.13 in 10.16 in W eight Full-f eatured model with 15.
6–2 Maintenance and Servi ce Guide Spe cificat ions Relative humidity (noncondensing) Operating Nonoperating 10% to 90% 5% to 95% 10% to 90% 5% to 95% Maximum altitude (unpressurized) Operating (14.
Specific at ions Maintenance and Serv ice Guide 6–3 Ta b l e 6 - 2 15.4-inch, WXGA, TFT Displa y Dimensions Height Width Diagonal 20.9 cm 33.1 cm 39.1 cm 8.1 in 13.0 in 15.4 in Number of colors Up to 16.8 million Contrast ratio 200:1 Brightness 180 nits typical Pixel resolution Pitch Fo r m a t Configuration 0.
6–4 Maintenance and Servi ce Guide Spe cificat ions Ta b l e 6 - 3 Hard Drives 100-GB* 80-GB* 80-GB* Dimensions Height Width We i g h t 9.5 mm 70 mm 102 g 9.
Specific at ions Maintenance and Serv ice Guide 6–5 60-GB* 60-GB* 40-GB* Dimensions Height Width We i g h t 9.5 mm 70 mm 102 g 9.5 mm 70 mm 99 g 9.5 mm 70 mm 99 g Interface type ATA - 5 ATA - 5 ATA .
6–6 Maintenance and Servi ce Guide Spe cificat ions Ta b l e 6 - 4 Primary 6-cell, Li-Ion Battery Pac k Dimensions Height Width Depth We i g h t 2.00 cm 9.40 cm 13.40 cm 0.34 kg 0.79 in 3.70 in 5.28 in 0.75 lb Energ y V oltage Amp-hour capacity W att-hour capacity 11.
Specific at ions Maintenance and Serv ice Guide 6–7 Ta b l e 6 - 5 D VD/CD-R W Combo Drive Applicable disc Read: D VD-R, D VD-RW , D VD-ROM (D VD-5, D VD-9, D VD-10, D VD-18), CD-ROM (Mode 1 and 2) .
6–8 Maintenance and Servi ce Guide Spe cificat ions Ta b l e 6 - 6 DV D ± RW and CD-RW Combo Drive Applicable disc Read: D VD-R, D VD-RW , D VD-ROM (D VD-5, D VD-9, D VD-10, D VD-18), CD-ROM (Mode .
Specific at ions Maintenance and Serv ice Guide 6–9 Access time CD D VD Random Full stroke < 175 ms < 285 ms < 230 ms < 335 ms A udio output level A udio-out, 0.
6–10 Maintenance and Servi ce Guide Spe cificat ions Ta b l e 6 - 7 System DMA Hard ware DMA System Function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memor y access controller DMA5* A vailab le for PC Card DMA6 Not assigned DMA7 Not assigned *PC Card controller ca n use DMA 1, 2, or 5.
Specific at ions Maintenance and Serv ice Guide 6–11 Ta b l e 6 - 8 System Interrupts Hard ware IRQ System Function IRQ0 System timer IRQ1 Standard 101-/102-K ey or Microsoft Natura l Ke yboard IRQ2.
6–12 Maintenance and Servi ce Guide Spe cificat ions IRQ11 Intel USB EHCI controller—24CD Intel USB UHCI controller—24C4 Intel USB UHCI controller—24C7 Intel Pro/Wireless 2200BG TI OHCI 1394 h.
Specific at ions Maintenance and Serv ice Guide 6–13 Ta b l e 6 - 9 System I/O Addresses I/O Address (he x) System Function (shipping configuration) 000 - 00F DMA controller no .
6–14 Maintenance and Servi ce Guide Spe cificat ions I/O Address (he x) System Function (shipping configuration) 0A2 - 0BF Unused 0C0 - 0DF DMA controller no .
Specific at ions Maintenance and Serv ice Guide 6–15 I/O Address (he x) System Function (shipping configuration) 2F0 - 2F7 Unused 2F8 - 2FF Infrared por t 300 - 31F Unused 320 - 36F Unused 370 - 377.
6–16 Maintenance and Servi ce Guide Spe cificat ions T able 6-10 System Memory Map Size Memory Address System Function 640 KB 00000000-0009FFFF Base memory 128 KB 000A0000-000BFFFF Video memor y 48 .
Maintenance and Serv ice Guide A–1 A Conn ec tor P in A ssi gnm ents Ta b l e A - 1 A udio-Out (Headphone) Pin Signal Pin Signal 1 A udio out, left channel 3 Ground 2 A udio out, right channel.
A–2 Maintenance and Servi ce Guide Connec tor P in Assignments Ta b l e A - 2 A udio-In (Microphone) Pin Signal Pin Signal 1 A udio signal in 3 Ground 2 A udio signal in Ta b l e A - 3 Universal Ser.
Connector P in Assignments Maintenance and Serv ice Guide A–3 Ta b l e A - 4 External Monitor Pin Signal Pin Signal 1 Red analog 9 +5 VDC 2 Green analog 10 Ground 3 Blue analog 11 Monitor detect 4 N.
A–4 Maintenance and Servi ce Guide Connec tor P in Assignments Ta b l e A - 5 RJ-45 (Network) Pin Signal Pin Signal 1 T ransmit + 5 Unused 2 T ransmit – 6 Receive – 3 Receiv e + 7 Unused 4 Unuse.
Connector P in Assignments Maintenance and Serv ice Guide A–5 Ta b l e A - 6 RJ-11 (Modem) Pin Signal Pin Signal 1 Unused 4 Unused 2T i p 5U n u s e d 3 Ring 6 Unused.
A–6 Maintenance and Servi ce Guide Connec tor P in Assignments Ta b l e A - 7 S-Video-Out Pin Signal Pin Signal 1 S-VHS color (C) signal 5 TV -CD 2 Composite video signal 6 S-VHS intensity ground 3 .
Maintenance and Serv ice Guide B–1 B P o w er Cord Set Req uirements 3-Con duc tor P o w er Cord Set The wide range input feature of the computer permits it to operate from any line v oltage from 100 to 120 or 220 to 240 volts A C.
B–2 Maintenance and Servi ce Guide P ow er Cord Set R equirements Gen eral Requirements The requirements listed belo w are applicable to all countries. ■ The length of the po wer cord set must be at least 1.5 m (5.0 ft) and a maximum of 2.0 m (6.5 ft).
P ow er Cor d Set Requirements Maintenance and Serv ice Guide B–3 Countr y- Spec ifi c Requirements 3-Conductor P ower Cor d Set Requirements Country/Region Accredited Agency Applicable Note Number .
B–4 Maintenance and Servi ce Guide P ow er Cord Set R equirements Ko r e a E K 4 The Netherlands KE A 1 Norwa y NEMK O 1 P eople’ s Republic of China CCC 5 Sweden SEMK O 1 Switzerland SEV 1 T aiwan BSMI 4 United Kingdom BSI 1 United States UL 2 ✎ NOTES: 1.
Maintenance and Serv ice Guide C–1 C Scre w List ing This appendix provides specif ication and reference information for the scre ws and screw locks used in the computer .
C–2 Maintenance and Serv ice Guide Scr ew Listing Phillips P M2 . 0×5 .0 Sc r ew L ocations Ta b l e C - 1 Phillips PM2.0×5.0 Screw Color Qty . Length Thread Head Width Black 6 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–3 Phillips P M2 . 5×4.0 Sc r ew L ocations Ta b l e C - 2 Phillips PM2.5×4.0 Screw Color Qty . Length Thread Head Width Black 4 4.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the hard driv e fram e to the hard drive (documented in Section 5.
C–4 Maintenance and Serv ice Guide Scr ew Listing Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 1 One screw that secures the optical dr ive to the computer (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–5 Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the displa y assemb ly to the computer (documented in Section 5.
C–6 Maintenance and Serv ice Guide Scr ew Listing Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 6 screws that secure the displa y bezel to the displa y assembly (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–7 Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 6 screws that secure the displa y hinges to the display enclosure (documented in Section 5.
C–8 Maintenance and Serv ice Guide Scr ew Listing Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 11 screws that top co ver to th e HP P avilion dv4200 (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–9 Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 3 screws that secure the top co ver to t he HP P avilion dv4200 (documented in Section 5.
C–10 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 5×7 . 0 Scr ew L ocation Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: One that secures the base enclosur e to Compaq Presario V4200 and HP Compaq nx7220 models (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–11 Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty .
C–12 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the system bo ard on HP P avilion dv4200 models (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–13 Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty .
C–14 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 5×7 .0 Sc re w Locations Ta b l e C - 3 Phillips PM2.5×7.0 Screw (Continued) Color Qty . Length Thread Head Width Black 56 7.0 mm 2.5 mm 4.5 mm Where used: 4 screws that secure the f an assembly to the system board (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–15 Phillips P M2 . 5×5 .0 Sc r ew L ocations Ta b l e C - 4 Phillips PM2.5×5.0 Screw Color Qty . Length Thread Head Width Silver 8 5.0 mm 2.5 mm 4.0 mm Where used: 2 screws that secure the displa y rele ase hooks to the displa y enclosure (documented in Section 5.
C–16 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 5×5 .0 Sc r ew L ocations Ta b l e C - 4 Phillips PM2.5×5.0 Screw (Continued) Color Qty . Length Thread Head Width Silver 8 5.0 mm 2.5 mm 4.0 mm Where used: 6 screws that secure the displa y panel to the displa y enclosure (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–17 Phillips P M2 . 0×12 .0 Spr ing-Loaded S cr ew L ocations Ta b l e C - 5 Phillips PM2.0×12.0 Spring-Loaded Screw Color Qty . Length Thread Head Width Silver 4 12.0 2.0 mm 5.0 mm Where used: 4 screws that secure the heat sink to the computer (documented in Section 5.
C–18 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 0×2 . 0 Scr ew Locati ons Ta b l e C - 6 Black Phillips PM2.0×2.0 Scre w Color Qty . Length Thread Head Width Black 4 2.0 mm 2.0 mm 5.0 mm Where used: 4 screws that secure the k eyboard on Compaq Presario V4200 and HP Compaq nx7220 models (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–19 Phillips P M2 . 0×2 . 0 Scr ew Locati ons Ta b l e C - 7 Silver Phillips PM2.0×2.0 Screw Color Qty . Length Thread Head Width Silver 4 2.0 mm 2.0 mm 7.0 mm Where used: 4 screws that secure the k eyboard on HP P avilion dv4200 models (documented in Section 5.
C–20 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the top co ver HP P a vilion dv4200 mode ls (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–21 Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 4 screws that secure the base enclos ure on Compaq Presario V4200 and HP Compaq nx7220 models (documented in Section 5.
C–2 2 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the modem board to the system board (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–2 3 Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the system board to the base enclosure on HP P avilion dv4200 models (documented in Section 5.
C–2 4 Maintenance and S ervice Guide Scr ew Listing Phillips P M2 . 0×4.0 S cr ew L ocation Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty .
Sc rew Li s t i n g Maintenance and Serv ice Guide C–2 5 Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the system boar d to the top co ver (documented in Section 5.
C–2 6 Maintenance and S ervice Guide Scr ew Listing Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 2 screws that secure the PC Card asse mb ly to the system board (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–2 7 Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 3 screws that secure the f an to the f an assembly (documented in Section 5.
C–2 8 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 3 screws that secure the speak er to the base enclosure (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–2 9 Phillips P M2 . 0×4.0 Scr e w Locations Ta b l e C - 8 Phillips PM2.0×4.0 Screw (Continued) Color Qty . Length Thread Head Width Black 24 4.0 mm 2.0 mm 4.0 mm Where used: 3 screws that secure the USB board and frame to the computer (documented in Section 5.
C–30 Maintenance and Servi ce Guide Scr ew Listing Phillips P M2 . 0×16. 0 Sc re w Locati ons Ta b l e C - 9 Phillips PM2.0×16.0 Screw Color Qty . Length Thread Head Width Black 2 16.0 mm 2.0 mm 4.5 mm Where used: 2 screws that secure the base enclos ure on Compaq Presario V4200 and HP Compaq nx7220 models (documented in Section 5.
Sc rew Li s t i n g Maintenance and Serv ice Guide C–31 Phillips P M2 . 5×8.0 Sc r ew L ocations T able C-10 Phillips PM2.5×8.0 Screw Color Qty . Length Thread Head Width Silver 2 8.0 mm 2.5 mm 5.0 mm Where used: 2 screws that secure the USB board to the fr ame on HP Pa vilion dv4200 models (documented in Section 5.
C–3 2 Maintenance and S ervice Guide Scr ew Listing Phillips P M1.5×4. 0 Scr ew L ocations T able C-11 Phillips PM1.5×4.0 Screw Color Qty . Length Thread Head Width Silver 2 4.0 mm 1.5 mm 3.0 mm Where used: 2 screws that secure the Buc ktooth boar d to the USB board frame (documented in Section 5.
Maintenance and Serv ice Guide D–1 D Disp l ay Compon ent Recy c ling Å W ARNIN G: The bac klight contains mer cury . Ca ution should be ex er c ised when r emov ing and handling the backlight t o av oid damaging this component and cau sing exposur e to the merc ury .
D–2 Maintenance and Servi ce Guide Display C omponent Recy cling This appendix provides disassembl y instructions for the display assembly . The display assembly must be disassembled to gain access to the backlight 1 and the liquid crystal display (LCD) panel 2 .
Display C omponent R ecyc ling Maintenance and Serv ice Guide D–3 Perform the follo wing steps to disassemble the display assembly: 1. Remov e all screw co vers 1 and scre ws 2 that secure the display bezel to the display assembly .
D–4 Maintenance and Servi ce Guide Display C omponent Recy cling 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly . 3. Remov e the display bezel 3 .
Display C omponent R ecyc ling Maintenance and Serv ice Guide D–5 4. Disconnect all display panel cables 1 from the display in verter and remo ve the in verter 2 .
D–6 Maintenance and Servi ce Guide Display C omponent Recy cling 5. Remov e all screws 1 that secure the display panel assembly to the display enclosure.
Display C omponent R ecyc ling Maintenance and Serv ice Guide D–7 7. T urn the display panel assembly upside down. 8. Remov e all screws that secure the display panel frame to the display panel.
D–8 Maintenance and Servi ce Guide Display C omponent Recy cling 9. Use a sharp-edged tool to cut the tape 1 that secures the side of the display panel to the display panel frame.
Display C omponent R ecyc ling Maintenance and Serv ice Guide D–9 11. Remov e the screws 1 that secure the backlight co ver to the display panel. 12. Lift the top edge of the backlight cov er 2 and swing it forward. 13. Remov e the backlight cove r .
D–10 Maintenance and Serv ice Guide Display C omponent Recy cling 14. T urn the display panel right-side up. 15. Remov e the backlight cables 1 from the clip 2 in the display panel.
Display C omponent R ecyc ling Maintenance and Serv ice Guide D–11 16. T urn the display panel upside down. 17. Remov e the backlight frame from the display panel.
D–12 Maintenance and Serv ice Guide Display C omponent Recy cling Å W ARNIN G: The bac klight contains mer cury . Ca ution should be ex er c ised when r emov ing and handling the backlight t o av oid damaging this component and cau sing exposur e to the merc ury .
Display C omponent R ecyc ling Maintenance and Serv ice Guide D–13 19. Disconnect the display cable 1 from the LCD panel. 20. Remov e the screws 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel.
D–14 Maintenance and Serv ice Guide Display C omponent Recy cling 23. Remov e the LCD panel. Re mov ing the L CD P anel 24. Recycle the backlight and LCD panel.
Maintenance and Serv ice Guide Index–1 Ind e x 1394 port 1–13 , 1–15 A arrow keys 1–17 audio board cable 3–25 audio troubleshooting 2–23 audio Y cable, spare part number 3–29 , 3–30 au.
Index–2 Maintenance and S ervice Guide Index overview 2–1 Security Menu 2–4 Tools Menu 2–5 Computer Setup defaults 2–2 computer specifications 6–1 connector pin assignments audio-in A–2 .
Index Maintenance and Serv ice Guide Index–3 spare part number 3–15 , 3–27 , 3–31 , 3–34 , 5–13 specifications 6–7 DVD±RW and CD-RW Combo Drive OS loading problems 2–22 precautions 4.
Index–4 Maintenance and S ervice Guide Index headphone jack location 1–9 , 1–11 pin assignments A–1 headset, spare part number 3–29 , 3–30 heat sink removal 5–21 spare part number 3–9 .
Index Maintenance and Serv ice Guide Index–5 modem jack location 1–12 , 1–14 pin assignments A–5 modem, troubleshooting 2–28 N network jack location 1–12 , 1–14 pin assignments A–4 net.
Index–6 Maintenance and S ervice Guide Index RJ-45 jack location 1–12 , 1–14 pin assignments A–4 RTC battery removal 5–20 spare part number 3–17 , 3–33 , 5–20 S Screw Kit contents C–.
Index Maintenance and Serv ice Guide Index–7 transporting precautions 4–5 troubleshooting audio 2–23 Computer Setup 2–2 docking device 2–16 flowcharts 2–7 keyboard 2–26 modem 2–28 netw.
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However, one of the most important roles played by the user manual is to help in solving problems with HP (Hewlett-Packard) NX7220. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device HP (Hewlett-Packard) NX7220 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center