Instruction/ maintenance manual of the product LJ75 Packard Bell
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Packard Bell EasyNote LJ75/LJ77 Service Guide PRINTED IN T AIW AN Service guide files and updates are availab le on the ACER/CSD web; for more information, please refer to http://csd.
II Revision History Please refer to the table below for the updates ma de to this service guide. Date Chapter Up date s.
III Copyright Copyright © 2009 by Acer Incorporated. All rights rese rved. No part of this pub lication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into a.
IV Conventions The following conventi ons are used in this manual: SCREEN MESSAGES Denotes actual messages that appe ar on screen. NOTE Gives bits and pieces of additional information related to the current topic. W ARNING Alerts you to any damage that might result from doing or not doing specific actions.
V Preface Before using this information and the product it s upports, please read the fo llowing general info rma tion. 1. This Service Guide provides you with all techni cal information relating to the BASIC CON FIGUR A TION decided for Acer's "glo bal" product offering.
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VII T able of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIII T able of Contents Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Removing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Removing the TouchPad Bra cket .
IX T able of Contents Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141 Random Loss of BIOS Settings .
X T able of Contents Online Support Information 207 Index 209.
Chapter 1 1 System Specifications Features Below is a brief summary of the computer ’s many features: NOTE: S pecifications denoted with an asteri sk (*) vary depending on the model.
2 Chapter 1 • Dual independent display support • 16.7 million colors • External resolution / refresh rates*: • VGA port up to 2048 x 1536: 85 Hz • HDMI™ port up to 1920 x 1200: 60 Hz • MPEG-2/DVD decodingVC-1 and H.
Chapter 1 3 • 802.1 1b/g/n Wi-Fi CERTIFIED™ • 802.1 1b/g Wi-Fi CERTIFIED™ • WP AN*: Bluetooth® 2.1+EDR • LAN: Gigabit Ethernet, Wake-on-LAN ready • Modem: 56K ITU V .92 with PTT approval* Privacy control • BIOS user , supervisor , HDD passwords • Kensington lock slot Power • ACPI 3.
4 Chapter 1 • Packard Bell InfoCentre • Packard Bell MyBackup Solution • Packard Bell Recovery Management • Packard Bell Updater • Adobe® Flash® Player 9 • Adobe® Photoshop® Elements 7.
Chapter 1 5 System Block Diagram.
6 Chapter 1 Your Notebook tour NOTE: Port placement may vary depending on the mode l. Front View Component Icon Description.
Chapter 1 7 Left View No. Component Icon Description 1 Kensington™ lock slot Secure your notebook to an object by connecting a Kensington cable lock to this slot. 2 Monitor port Plug an analog VGA monitor or projector into this port. 3 Ethernet jack Plug an Ethernet n etwor k cable into this jack.
8 Chapter 1 Right View Rear View No. Component Icon Description 1 Blu-Ray Disc Drive Insert CDs or DVDs into this drive. 2 USB ports (2) Plug a USB device (such as a diskette drive, flash drive, printer , scanner , camera, keyboard, or mouse) into this port.
Chapter 1 9 Bottom View Component Icon Description Battery Provides power when the notebook is not plugged into AC power . Battery lock Slide to unlock the battery . Battery latch Slide to release the battery . Memory bay Memory modules are located in this bay .
10 Chapter 1 Keyboard Area (selected models) No. Component Description 1 Capacitive touch keys Press to access capaciti ve touch key function. 2 T ouchpad Provides all the functionality of a mouse.
Chapter 1 11 LCD Panel No. Component Description 1 Display 15.6" HD 1600 x 900 pixel resolution, high-brightness (220 - nit) TFT LCD with Diamond View T echnology 2 Webcam Use to let others see wh o they are communica ti n g with when making V oIP call s.
12 Chapter 1 Status Indicators S t atus indicators inform you when a drive is being us ed or when a button has been pressed that affects how the keyboard i s used.
Chapter 1 13 TouchPad Basics The following items show you how to use the T ouchPa d: • Move your finger across the T ouchPad (1) to move th e cursor . • Press the left (2) and right (3) buttons located beneath the T ouchPad to perform selection and execution functions.
14 Chapter 1 Using the Keyboard Y our notebook fe atures a full-size ke yboard that functions the same a s a desktop computer keyboard. Many of the keys have been assigned alternate functions, includin g shortcut keys for Windows, function keys for specific system operations, and the Num Lock keys for the numeric keypad.
Chapter 1 15 Windows Keys The keyboard has two keys that perform Wi ndow s-specific functions. Key Description Windows key Pressed alone, thi s key has the same effect as clickin g on the Windows S tart button; it launches the S tart menu.
16 Chapter 1 System Keys The computer employs hotkeys or key combinations to access most of the computer ’s controls like screen brightness, Bluetooth and W iFi . T o activate hot keys, press and hold the < Fn> key before pressing the other key in the hotkey combination.
Chapter 1 17 Hardware Specifications and Configurations Processor Processor Specifications CPU Fan T rue V alue T able) Item Spec ification CPU Intel Mobile Calpella rPGA988A Core Logic Intel Ibex Pea.
18 Chapter 1 Northbridg e BIOS System Memory Item Specifications Chipset Intel Ibex Peak-M (H M55) Features • Du al-channel DDR3 1066 MHz memory suppo rt •S e r i a l A T A • Hi-S peed USB 2.0 connectivity Item Specification BIOS vendor Insyde H20 BIOS V ersion V0.
Chapter 1 19 Memory Combinations NOTE: Above table lists s ome system memory configur ations. Y ou may combine DIMMs with various capacities to form other combinations.
20 Chapter 1 LAN Interface *Check model number for specificatio ns. Wireless Module 802.1 1b/g Bluetooth Hard Disk Drive Interface Item Specification LAN Chipset Broadcom BCM57780 LAN connector type R.
Chapter 1 21 Item Specifications V end or & Model Name To s h i b a Capacity 250GB Bytes per sector 512 Data heads 4/2 Drive Format Disks 2/1 S pindle speed (RPM) 5400 Performance S pecifications .
22 Chapter 1 Internal transfer rate (Mbits/ sec, max) I/O data transfer rate 3 GB/s DC Power Requirements V oltage +5.0V ± 5% Item Specifications.
Chapter 1 23 Super-Multi Driv e Module Item Specification V end or & model name HLDS/GSA-T50, T oshiba Digi/TS-L63 3A Performance S pecific ation With CD Diske tt e With DVD D is k et te T ransfer rate (MB/sec) Sustained: Max 3.
24 Chapter 1 Blue-Ray Combo Drive Module Loading mechanism Dra wer (Solenoid Open) T act SW (Open) Emergency Release (draw open hole) Power Requirement Input V oltage DC 5 V +/- 5% Item Specification .
Chapter 1 25 Audio Interface Power and Keyboard Controller Item Specification Audio Controller Realtek ALC 272 Azalia Codec a nd Amplifier G1454 • Features • HD Audio • SNR > 85,High-performance DACs with 95dB SNR (A-Weighting), ADCs with 85dB SNR (A-Weighting) • Internal Digital Microphone • T wo speakers, max.
26 Chapter 1 Battery LCD 15.6” Item Specification 6 Cell 8 Cell V endo r & model name P ANASONIC AS-2007B SAMSUNG AS-2007B SANYO AS-2007B SANYO AS-2007B SIMPLO AS-2007B SONY AS-2007B Battery T ype Li-ion Li-ion Pack capacity 4400 mAh 4800 mAh Normal V oltage 1 1.
Chapter 2 27 System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration prog ram built into y our computer ’s BIOS (Basic Input/ Output System). Y our computer is alre ady properly configured and optimi zed, and you do not need to run this utility .
28 Chapter 2 Information The Information screen displays a summary of your computer ha rdware information. NOTE: The screen above is for your reference only . Actual values may differ according to model. The table below describes the parameters in this screen.
Chapter 2 29 Main The Main screen allows th e user to set the system time and date as well as enable and disable bo ot option and recovery . NOTE: The screen above is for your reference only . Actual values may differ . The table below describes the parameters in this screen.
30 Chapter 2 Advanced The Advanced screen allows the user to c onfigu re the various advanced BIOS options. IMPORT ANT : Making incorrect settings to item s on these pages may cause the system to malfunction. Unless you have experience adjus ti ng these items, we re commend that you leave these setti ngs at the default values.
Chapter 2 31 Video Configuration Enter the Video Configuration menu. • Render S tandby • IGD—Device2, Function1 • IGD—Pre-allocat Memory • IGD—DVMT Size • Clock Chip Initialize • Enabled CK SSC • IGD—Boot T ype • IGD—LCD Panel T ype • IGD—TV • IGD—P A VP Mode USB Configuration En ter the USB Configuration menu.
32 Chapter 2 Security The Security screen co ntains parameters that help sa feguard and protect your co mputer from unautho ri zed use. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.
Chapter 2 33 Setting a Password Follow these steps as you set the user or the supervisor password: 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Supervisor Password box appears: 2. T ype a pa ssword in the “Enter New Pa ssword” fiel d.
34 Chapter 2 Changing a Password 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Password box appears. 2. T ype the current passw or d in the Enter Curr en t Pa ssw or d field and press Enter .
Chapter 2 35 Power The Advanced screen allows the user to c onfigu re the various advanced BIOS options. IMPORT ANT : Making incorrect settings to item s on these pages may cause the system to malfunction. Unless you have experience adjus ti ng these items, we re commend that you leave these setti ngs at the default values.
36 Chapter 2 The table below describes the items, menus, and submenus in this screen. Settings in boldface are the default and suggested parameter setting s. Parameter Description Submenu Items Advanced CPU Control Enter the Advanced CPU Control menu.
Chapter 2 37 Boot This menu allows the user to deci de the order of boot devices to l oad the operating syste m. Bootable devices includes the USB diskette drives, the onboard hard disk dr ive and the DVD drive in the module bay . Select Boot Devices to select specific devices to support boot.
38 Chapter 2 Exit The Exit screen allows you to save or discard any changes you made an d qui t th e BIOS Utility . The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setu p and save your changes to CMOS.
Chapter 2 39 BIOS Flash Utilities The BIOS flash memory upd ate is required for th e following con ditions: • New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. Use the Phlash util ity to update the system BIOS flash ROM.
40 Chapter 2 DOS Flash Utility Perform the following steps to use the DOS Flash Utility: 1. Press F2 during boot to enter the Setup Menu. 2. Select Boot Menu to modify the boot priority order , for example, if using USB HDD to Update BIOS, move USB HDD to position 1.
Chapter 2 41 4. In flash BI OS, the me ssage Please do not remo ve AC Power Source displays. NOTE: If the AC power is n ot connected, the following message displays. Plug in the AC po wer to continue. 5. Flash is complete when the message Fl ash programming complete displays.
42 Chapter 2 WinFlash Utility Perform the following steps to use the WinFlash Utility: 1. Double-click the WinFlash executable. 2. Click OK to begin the update.
Chapter 2 43 Remove HDD/BIOS Password Utilities This section provide s you with d e tails about removing HDD/BIOS password: Remove HDD Password: If you key in the wrong HDD password three times, an error is gen erated. T o reset the HDD p assword, perform the following step s: 1.
44 Chapter 2 Removing BIOS Passw or ds: T o clear the User or Supervisor passwords, open the RAM door and use a metal in strument to short the RTC_RST and ME _RST jumper . Cleaning BIOS Passwords T o clean the User or Supervisor passwords, perform the following steps: 1.
Chapter 2 45 Using Boot Sequence Selector The Boot Sequen ce Selector allows the b oot order to be changed without accessing the BIOS. T o use Boot Sequence Selector , perform the following steps: 1. Enter into DOS. 2. Execute BS.exe to display the usage screen.
46 Chapter 2 Using DMITools The DMI (Desktop Management Interface) T ool copies BIOS information to EEPR OM to be used in the DMI pool for hardware managemen t. When the BIOS displays V erifying DMI pool data it is checki ng that the t able correlates with th e hardw are before sending to the operating system (Windows, etc.
Chapter 2 47 Using the LAN Utility Run the LAN utility in DOS mode by preforming the following steps: 1. Run the MAC.BA T file. 2. Run the NA YF0.BA T file.
48 Chapter 2.
Chapter 3 49 Machine Disassembly and Replacement IMPORT ANT : The outside housing and color may vary from the mass produced model. This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting .
50 Chapter 3 General Information Pre-disassembly Instructions Before proceeding with the disassembly procedure, make su re that you do the following: 1. T urn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cab les from the system.
Chapter 3 51 External Module Disassembly Process IMPORT ANT : The outside housing and color may vary from the mass produced model. External Modules Disassembly Flowchart The flowchart below gives you a graph ic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicin g .
52 Chapter 3 Removing the Battery Pack 1. T urn computer over . Slide the battery lock in the direction shown. 2. Slide and hold the battery rel ease latch to the release po sition (1), then lift out the battery pack from the main unit (2).
Chapter 3 53 Removing the SD dummy card 1. Push the SD dummy card all the way in to eject it . 2. Pull the card out from the slot..
54 Chapter 3 Removing the Lower Covers 1. See “Removing the Battery Pack” on page 52. 2. Loosen the fi ve captive screws in the memory and HD D covers.
Chapter 3 55 Removing the Optical Drive Module 1. See “Removing the Lower Covers” on page 54. 2. Remove the screw securing the ODD module. 3. Insert a suitable tool into the access slot as shown. Gently leve r the ODD module out of the chassis. 4.
56 Chapter 3 5. Remove the two screws securing the ODD bracket and re move the ODD bracket from the opti cal disk drive module. 6. Remove the ODD bezel by rotating the top edge downward and pulling it clear of the module.
Chapter 3 57 Removing the DIMM Modules 1. See “Removing the Lower Covers” on page 54. 2. Push out the release latches on both sides of the DIMM socket to release th e DIMM module. 3. Remove the DIMM module. 4. Repeat steps for the seco nd DIMM module if present.
58 Chapter 3 Removing the WLAN Module 1. See “Removing the Lower Covers” on page 54. 2. Remove the adhesive tape securing the Antenna cables in place. 3. Disconnect the antenna cables from the WL AN Module. NOTE: Cable placement is Black to the MAIN terminal (le ft) and White to the AUX terminal (right).
Chapter 3 59 4. Move the Antennas aw ay and remove the two screws to release the WLAN Module. 5. Detach the WLAN Module from the WLAN socket. NOTE: When reattaching the antennas, ensure th e cables are tucked into the chassis to prevent dama ge.
60 Chapter 3 Removing the Primary HDD Module 1. See “Removing the Lower Covers” on page 54. 2. Using the pull-tab, slide the HDD Module in the di rection of the arrow to disconnect the interface. 3. Lift the HDD Module clear of the HDD bay . NOTE: T o prevent damage to device, avoid pressing down on it or placing heavy objects on top of it.
Chapter 3 61 5. Remove the HDD from the carrier ..
62 Chapter 3 Removing the Secondary HDD Module NOTE: The Secondary HDD is optional and may no t be present. 1. See “Removing the Lower Covers” on page 54. 2. Using the pull-tab, slide the HDD Module in the di rection of the arrow to disconnect the interface.
Chapter 3 63 4. Remove the four screws (two each side) securing the hard disk to the carrier . 5. Remove the HDD from the carrier . Ste p Size Quantity Screw T ype HDD Carrier M3*3 4.
64 Chapter 3 Main Unit Disassembly Process Main Unit Disassembly Flowchart Screw List Step Screw Quantity Part No. Switch Cover M2.5*5 3 86.WBF02.010 LCD Module M2.5*8 4 86.WBF 02.001 M2.5*5 2 86.WBF02.010 Upper Cover M2.5*8 10 86.WBF02.001 M2.5*5 9 86.
Chapter 3 65 Removing the Switch Cover 1. See “Removing the Battery Pack” on page 52. 2. Lift the Media Board FFC cover as shown to expose the FFC connector . 3. Open the FFC locking latch and discon nect the Media Board FFC. 4. Remove the three securing screws from the Lower Cover .
66 Chapter 3 5. Open the computer lid to approximately 45° and push the Switch Cover from the unders ide of the computer to release the locking latches securing the cover in place. 6. T urn the computer over and open the lid fully . Li ft the left side of the Switch Cover as shown.
Chapter 3 67 8. Rotate the Switch Cover toward the LCD panel and lift it away from the Upper Cover ..
68 Chapter 3 Removing the Media Board 1. See “Removing the Switch Cover” on page 65. 2. Pry the Media Board away from the Switch Cover as shown. NOTE: A very strong adhesive is used to secure the board in place. 3. Pry the board away from the Upper Cover and remove it completely .
Chapter 3 69 Removing the Keyboard 1. See “Removing the Switch Cover” on page 65. 2. Lift the keyboard from the centre as shown to release the securing clips on each side. 3. T urn the Keyboard over on the T ouchPad to expose the FFC cable. 4. Open the locking latch on the FF C as shown.
70 Chapter 3 5. Disconnect the FFC cable from the mainboard. 6. Lift the keyboard clear of the chassis..
Chapter 3 71 Removing the LCD Module 1. See “Removing the Keyboard ” on page 69. 2. T urn the computer over . Remo ve the two se curing screws from the bottom of the chassis. 3. Open the computer lid and stand the chassis on its edge. Ensure the An tenna Cables are free from obstructions as shown.
72 Chapter 3 4. Remove the adhesive tape securing the cables in plac e and pull the Anten na cables through the casing as shown. 5. Remove the cables from the cable channel as shown. Ensure th at the cables are comple tely free of the retaining clips all the way to the hinge well.
Chapter 3 73 6. Disconnect the Power Board cable from the Mainboard. 7. Remove the cable from the cable channel as shown. Ensure that the cable is completely free of the retaining clips all the way to the hinge well. 8. Disconnect the power cable from the Mainboard as shown.
74 Chapter 3 9. Disconnect the MIC cable from the Main board as shown. Ensure that the cable is completely free of the retaining clips all the way to the hinge well. 10. Remove the four securing screws (t wo each side) from the LCD module. Ste p Size Quantity Screw T ype LCD Module (red callout) M2.
Chapter 3 75 11 . Careful ly remove the LCD module from the chassis..
76 Chapter 3 Removing the Upper Cover 1. See “Removing the LCD Module” on page 71. 2. T urn the computer over . Remo ve the th irteen s crew s on the bott o m p anel. Ste p Size Quantity Screw T ype Upper Cover (red callout) M2.5*8 10 Upper Cover (green callout) M2.
Chapter 3 77 3. T urn the computer over . Remo ve the nine screws on the top panel. 4. Remove the adhesive tape holding the cables in place. Ste p Size Quantity Screw T ype Upper Cover (red callout) M2.
78 Chapter 3 5. Disconnect the following cables from the Mainboard. NOTE: Avoid pulling on cables directly to prevent damage to the connectors. Use the pull-tabs on FFC cables whenever available to prevent damage. 6. Disconnect A as sho wn. 7. Release the locking latch and remove B as shown.
Chapter 3 79 10. S t arting at the top-inside edges of the Upper Cover abov e the Battery Bay , lift the Upper Cover away from the Lower Cover as shown. 11 . Work along the top edge prying the casing apart as shown. 12. Pry apart the left and right sides of the casing an d lift the Upper Cover away from the Lower Cover .
80 Chapter 3 Removing the TouchPad Bracket 1. See “Removing the Upper Cove r” on page 76. 2. Release the FFC locking latch and disconnect th e T o uchPad FFC from the cover . 3. Remove the single screw securing th e T ouchPad Bracket to the Upper Cover .
Chapter 3 81 Removing the Media Board FFC 1. See “Removing the Upper Cove r” on page 76. 2. Lift the Media Board FFC as shown to release the adhesi ve securing it to the Upper Cover . 3. Pull the FFC through the Upper Cover as shown. Ensure that the cable passes through the casing completely .
82 Chapter 3 Removing the LED Board 1. See “Removing the Upper Cove r” on page 76. 2. Lift the right edge of the LED Board to release the adhesive securing th e board to the Upper Cover . 3. Lift the LED Board away from the Upper Cover as shown. 4.
Chapter 3 83 Removing the Speaker Module 1. See “Removing the Upper Cove r” on page 76. 2. Remove the four screws from the speaker modules. 3. Remove the right side S peaker cable from the channel as shown. 4. Lift the mylar sheet away from the Upper Cover to expose the S peake r cable.
84 Chapter 3 5. Lift the entire S pe aker assembly clear of the Upper Cove r ..
Chapter 3 85 Removing the RTC Battery IMPORT ANT : Follow local regulations fo r disposal of all batteries. 1. See “Removing the Upper Cove r” on page 76. 2. The RTC Battery is soldered to the Mainboard. T o repla ce the battery , so lder the new battery to the connections shown.
86 Chapter 3 Removing the Modem Board 1. See “Removing the Upper Cove r” on page 76. 2. Remove the two securing screws from the Modem Board. 3. Remove the adhesive tape securing the Modem cable to the Mainboard.
Chapter 3 87 4. Lift the Modem Board away from the Mainboard, taking care not to damage th e cable attached to the underside of the board. 5. Disconnect the cable from the underside of the M odem Board and lift the board clear of the chassis.
88 Chapter 3 Removing the USB Board 1. See “Removing the Upper Cove r” on page 76. 2. Disconnect the USB Board cable from the Mainboard connector . 3. Lift the USB cable away from Lower Cover to detach the adhesive. 4. Remove the single screw securing the USB Board to the Lower Cover .
Chapter 3 89 5. Lift the USB Board out of the Lower Cover as shown. 6. Remove the USB Board cable from the board connector ..
90 Chapter 3 Removing the Mainboard 1. See “Removing the Modem Board” on page 86. 2. See “Removing the USB Board” on page 88. 3. Remove the single screw securing the Mainboard to the Lower Cover . 4. Lift the Mainboard from the Lower Cover right side first, and place it on a clean, dust-free surface.
Chapter 3 91 Removing the RJ-11 Jack 1. See “Removing the Mainboard” on page 90. 2. Remove the adhesive tape securing t he RJ-1 1 cable to the Lower Cover . 3. Remove the RJ-1 1 cable from the cable channel. Ensu re that the cabl e is free from all cable clips.
92 Chapter 3 5. Lift the RJ-1 1 Jack away from the Lower Cover to detach the adhesi ve securing it in place..
Chapter 3 93 Removing the CPU Fan 1. See “Removing the Mainboard” on page 90. 2. Disconnect the CPU Fan power cable from the Main board. 3. Remove the three securing screws from the CPU Fan.
94 Chapter 3 Removing the Thermal Module 1. See “Removing the Mainboard” on page 90. 2. Remove the four screws securing the Thermal Module to the Mainboard in reverse num erical order from 4 to 1. 3. Using both hands, lift the Thermal Module clear of the Mainboard.
Chapter 3 95 Removing the CPU 1. See “Removing the Therma l Module ” on page 94. 2. Using a flat-bladed screw driver , ro tate the CPU locking scre w 180° coun ter-clockwise as shown.
96 Chapter 3 LCD Module Disassembly Process LCD Module Disassembly Flowchart Screw List Ste p Screw Quantity Part No. LCD Bezel M2.5*5 4 86.WBF02.0 10 M2*4 2 86.WBF 02.007 LCD Panel M2.5*5 2 86.WBF02.0 10 Power Board M2*3 1 86.WBF02.003 LCD Bracket s M2*3 6 86.
Chapter 3 97 Removing the LCD Bezel 1. See “Removing the LCD Module” on page 71. 2. Remove the four screw cap s a nd six screws (four on the Bezel and two on the Hinge Covers). 3. S t arting from the top centre of the bezel, pry the bez el upwards and away from the panel.
98 Chapter 3 Removing the Camera Module 1. See “Removing the LCD Bezel” on page 97. 2. Disconnect the camera cable. 3. Remove the Camera from the module.
Chapter 3 99 Removing the LCD Panel 1. See “Removing the Camera Module” on page 98. 2. Remove the two securing screws from the LCD Panel. 3. Lift the LCD Panel out of the module, rear edge first, as shown. The LCD Module appears as follows when the LCD Panel is removed.
100 Chapter 3 Removing the Power Board 1. See “Removing the LCD Panel” on page 99. 2. Remove the single screw securing the Power Board Bracket to the LCD Module. 3. Lift the Power Board Bracket fro m the LCD Panel as shown. 4. Remove the Power Board from the bracket as shown.
Chapter 3 101 Removing the LCD Brackets and FPC Cable 1. See “Removing the LCD Panel” on page 99. 2. T urn the LCD panel over to expose the rear . Lif t the ca ble as shown to disengag e the adhesive strip securing it in place. 3. Remove the adhesive tape and lift the adhesive pr otector securing the cable to the LCD Panel.
102 Chapter 3 5. Remove the six securing screws (three on each side) fro m the LCD Panel brackets. 6. Remove the LCD Brackets by pulli ng away from the LCD Panel.
Chapter 3 103 Removing the Microphone Module 1. See “Removing the LCD Panel” on page 99. 2. Remove the strips holding the microphone cable in pl ace.
104 Chapter 3 Removing the Antennas 1. See “Removing the LCD Panel” on page 99. 2. S t arting from the right hin ge, remo ve the white Antenna cable from the cable channel running along the bottom edge of the LCD Module. 3. Remove the adhesi ve strips holding the left Antenna cable in pl ace.
Chapter 3 105 4. Remove the adhesive tape (green callout) and lift the left side Ant en n a fro m th e LC D m odu l e as sh ow n . 5. Remove the adhesive strips holding the right Antenna cable in p lace. Ensure the cable i s free from obstructions. 6.
106 Chapter 3 LCD Module Reassembly Procedure Replacing the Antennas, Power Board, and MIC 1. Replace the left and right antennas as shown. Ensure that th e locating pin on each antenna i s correctly seated. Press down on the adhesi ve pads (green callout) to secure the antenna s in place.
Chapter 3 107 3. Replace the right antenna cable (black) as shown . Ensure that th e cable is secure d under each adhesive tab strip. 4. Place the Power Board in to the bracket as shown. 5. Place the Power Board Bracket in the LCD Module as shown. 6. Replace the si ng l e scre w to secure the bracket in place.
108 Chapter 3 NOTE: The LCD Module appears as shown whe n the Ante nnas, Power Board, and MIC are replaced correctly ..
Chapter 3 109 Replacing the LCD Panel 1. Align the LCD brackets with the screw holes on the panel. 2. S tarting with the top most screws (marked with ), replace the six screws in the brackets as shown. 3. Insert the LCD Panel cable into the LCD Panel connector as shown.
11 0 Chapter 3 6. Replace the LCD cable as shown an press down along the cable’s length to secure the cable to th e panel. IMPORT ANT : Ensure the cable is placed betw een the gree n callouts to avoid trapping when the panel is replaced. 7. Place the LCD Panel in the back cover , bottom edge first, and lower it in to place as indicate d.
Chapter 3 111 Replacing the Camera Module 8. Replace the two screws to secure the panel in the LCD Module. 1. Align the Camera Board with the locati ng pins and place the camera in the LCD Module.
11 2 Chapter 3 Replacing the LCD Bezel 1. Locate the bezel bottom edge first and press down unt il there are no gaps between the bezel and the LCD Module. IMPORT ANT : Ensure that the LCD cables pass through th e hinge wells and are not trapped by the bezel.
Chapter 3 11 3 2. Press down around the entire perimete r of the bezel until there are no gaps between the be ze l and the LCD Module. 3. Replace the six screws as indicated. NOTE: The Bezel securing screws differ in size: Red callout—M2.5*5, Green callout—M2*4.
11 4 Chapter 3 Main Module Reassembly Procedure Replacing the CPU IMPORT ANT : The CPU has a Pin1 locator that must be positioned corre sponding to the m arker on the CP U socket. Replacing the Thermal Module IMPORT ANT : Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal Module.
Chapter 3 11 5 Replacing the CPU Fan 3. Align the four screw holes on the Thermal Modul e and Mainboard and lower the modul e into place. Keep the module as level as possibl e to spread the thermal grease evenly . 4. Secure the four screws (in numerical orde r from screw 1 to screw 4) in th e Thermal Modu l e a s shown.
11 6 Chapter 3 Replacing the RJ-11 Jack 1. Place the RJ-1 1 Jack in the Lower Cover as shown. 2. Replace the cable bundle and press dow n to secure the adhesive in place 3. Run the cable along the Lower Cover as shown, using all available cable clips.
Chapter 3 11 7 Replacing the Mainboard 1. Ensure that the Mainboa rd is face up (the CPU is not visible ). Place the Mainboard in the chassis, left side first (1), then rotate it downward into position (2). 2. Ensure that the RJ-1 1 (Modem) cable is acce ssible when the Mainboard is replaced as shown.
11 8 Chapter 3 Replacing the USB Board 1. Reconnect the USB Board cable to the USB Board. 2. Align the locati ng holes and pins on the Lowe r Cover and replace the USB Board. 3. Replace the single screw securing the board to the Lower Cover . 4. Replace the cable in the cable chan nel as show n and press down to secure it in place.
Chapter 3 11 9 Replacing the Modem Board 1. Reconnect the RJ-1 1 cable to the Modem Board. 2. Align the screw holes on the Modem and Lo wer Cover and replace the board. 3. Secure the cable in place with adhesi ve tape. 4. Press down as indicated to connect the board-to- board interface .
120 Chapter 3 Replacing the Speaker Module 1. Place the left S peaker Module in the chassis a s shown, ensuring that the locating pins are seated correctly . 2. Lift the mylar sheet away from the Upper Cover and run the S peaker cable along the Upper Cover using all available cable clips.
Chapter 3 121 Replacing the LED Board Replacing the Media Board FFC 1. Pass the LED Board FF C through the Upper Cover as shown. 2. Place the LED Board in the Upper Cover and press down as indicated to secure the board in place. 1. Place the Media Boar d FFC on the Upper Co ver as shown, and pr ess down to secure the adhesive in place.
122 Chapter 3 Replacing the TouchPad Bracket Replacing the Upper Cover 1. Replace the T ouchPad Bracket bottom edge fi rst to engage the securing clips (1). Rotate the bracket on to the Upper Cover and press down as indicated (2). 2. Secure the bracket to the Upper Cover wi th a single screw .
Chapter 3 123 2. Press down around the front and sides to secure the Upper Cover in place. NOTE: Ensure that there a no gaps between the Upper and Lower Covers.
124 Chapter 3 4. Connect A as shown. 5. Insert B as shown and close the locking latch. 6. Insert C as shown and close the locking latch. 7. Insert D as shown and close the locking latch.
Chapter 3 125 9. Replace the nine screws in the upper cover as shown. NOTE: The securing screws differ in size: Red callout—M2.5*5, Blue callout—M2.5*3. 10. T urn the computer over and replace the thirteen screws as shown. NOTE: The securing screws differ in size: Red callout— M2.
126 Chapter 3 Replacing the LCD Module 1. T urn the computer over . Align the LCD hinges with the lower cover and replace the LCD module . 2. Replace the four securing screws (two each side), starting with the left side hinge. Ensure that the LCD cables are not trapped in the hinges.
Chapter 3 127 5. Run the L VDS cable along the cable channel as shown, using all the available cable clips. 6. Reconnect the L VDS cabl e to the Mainboard as shown. 7. Run the Power Board cable along the cabl e channel using all availabl e cable clips.
128 Chapter 3 11 . Pull the Antennas comp letely through from the under side of the computer . 12. Secure the cables in place with adhesive tape. 13. Replace the two securing screws.
Chapter 3 129 Replacing the Keyboard 1. Place the Keyboard face down on the T ouchPa d area.Reconnect the FFC as shown. 2. Close the FFC locking latch to secure the cable in place. 3. T urn the keyboard over and insert it front edge first into the chassis.
130 Chapter 3 Replacing the Media Board 1. Align the Media Board with the transparent pane on the Switch Cover . 2. Press the Media Board down to secure it in pla ce with adhesive.
Chapter 3 131 Replacing the Switch Cover 1. Place the Switch Co ver rear edge first on to the Uppe r Cover . Rotate the Switch Cover downw ard on the Keyboard. 2. Press down the edges of the cover to snap it into plac e, th en press the centre down until it snaps in to place.
132 Chapter 3 4. Lift the Media Board FFC cover as shown to expose the FFC connector . 5. Connect the FFC to the Media Board as shown. 6. Close the FFC locking latch to secure the FFC in place.
Chapter 3 133 Replacing the Hard Disk Drive Modules 1. Place the HDD in the HDD carrier . 2. Replace the four screws (two each side) to secure the carrier . 3. Insert the Secondary HDD, right si de first, and lower it into place. 4. Slide the Secondary HDD to the right to connect the interface.
134 Chapter 3 Replacing the WLAN Module Replacing the DIMM Modules 1. Insert the WLAN Module into the WLAN socket. 2. Replace the single screw to secure the module. 3. Connect the two antenna cables to the module. 4. After connecting the cables to the terminals, secure the cables in place usin g adhesive tape.
Chapter 3 135 Replacing the ODD Module Replacing the Lower Covers 1. Press the bezel into the tr ay , bottom edge first, to secure it to the ODD Module. 2. Secure the ODD bracket with the two screws. 3. Push the ODD Module into the ODD bay until it is flush with the casing.
136 Chapter 3 2. Replace the HDD1 Co ver as shown. IMPORT ANT : Pre ss down aroun d the perimeter of the covers to ensure th at the all the securing tabs a re correctly located in the casing. 3. Secure the five captive screws to hold the covers in place.
Chapter 3 137 Replacing the SD Dummy Card Replacing the Battery 1. Insert the SD Dummy Card i nto the slot and push until the card clicks i nto place and is flush w ith the casing. 1. Slide and hol d the battery rele ase latch to the release po sition (1) , insert t he battery pack an d press down (2).
138 Chapter 3.
Chapter 4 139 Troubleshooting Common Problems Use the following procedure as a gui de for computer problems. NOTE: The diagnosti c tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false e rrors and invalid system responses.
140 Chapter 4 Power On Issue If the system doesn’t power on, perform the following acti ons one at a time to correct the problem. Do not replace non-defective FRUs: Computer Shuts down Intermittently If the system powers off at intervals, perform the fo llow ing actions one at a time to correct the problem.
Chapter 4 141 No Display Issue If the Displa y doesn’t work, perform the follo wing actions one at a time to correct the problem. Do not replace non-defective FRUs: No POST or Video If the POST or video doesn’t display , perform the foll owing actions one at a time to correct the problem.
142 Chapter 4 Abnormal Video Display If video displays abnormally , perform the following actions one at a time to correct the proble m. 1. Reboot the computer . 2. If permanent vertical/h orizontal lines or dark spots display in the same location, the LCD is faulty and should be replaced.
Chapter 4 143 LCD Failure If the LCD fails, perform the following actions one at a ti me to correct the problem. Do not replace non- defective FRUs: Built-In Keyboard Failure If the built-in Keyboard fails, perform the foll owing actions one at a ti me to correct the pro blem.
144 Chapter 4 TouchPad Failure If the To u c h P a d doesn’t work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: St ar t Check M/ B T/ P FFC .
Chapter 4 145 Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the probl em. Do not replace non-defective FRUs: Sound Problems If sound problems are experienced, p erform the following actions one at a time to correct the problem.
146 Chapter 4 8. Remove and recently installed hardware or software. 9. Restore system and file settings from a k nown good date using System Restor e . If the issue is not fixed, repeat the prec eding steps and select an earl ier time and date. 10. Reinstall the Operating System.
Chapter 4 147 Internal Microphone Failure If the internal Microphone fails, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Microphone Problems If internal or external Mic rophones do no op erate correctl y , perform the following actions one at a time to correct the problem.
148 Chapter 4 HDD Not Operating Correctly If the HDD does not op erate correctly , perform the following ac ti ons one at a time to correct the problem. 1. Disconnect all external devices. 2. Run a complete virus scan using up-to-date software to ensure the computer is virus free.
Chapter 4 149 ODD Failure If the ODD fails, perform the following acti ons one at a ti me to correct the prob l e m. Do not replace non- defective FRUs: ODD Not Operating Correctly If the ODD exhibits.
150 Chapter 4 • LED does not flash when the computer starts up • The tray does not eject • Access failure screen displays • The ODD is noisy Perform the following general solutions o ne at a time to correct the problem. 1. Reboot the computer a nd retry the operation.
Chapter 4 151 c. Click OK . 2. Ensure that the software used for burning discs is the factory default. If using different software, refer to the software's user manual. Playback is Choppy If playback is choppy or jumps, perform the follo wing actions one at a time to correct the problem.
152 Chapter 4 c. T ry an alternate cable, if availabl e. If the drive works with the new cabl e, the original cab le should be replaced. 4. Replace the ODD.
Chapter 4 153 USB (Right Side) Failure If the right-side USB fails, perform the following actions one at a ti me to correct the pr oblem. Do not replac e non-defective FRUs: St ar t Check USB/ B t o M.
154 Chapter 4 Wireless Function Failure If the WLAN fails, perform th e following actions one at a time to correct th e probl em. Do not replace non- defective FRUs: Start C hec k an ten na t o WL / W.
Chapter 4 155 Bluetooth Function Test Failure If the Bluetooth function test fails, perform the follow ing action s one at a time to correct the problem.
156 Chapter 4 Easy Button Failure If the Easy Butto n fails, perform the following actions one at a time to correct the pr oblem. Do not replace non-defective FRUs: St ar t Check funct i on / B t o M/.
Chapter 4 157 Thermal Unit Failure If the Thermal Unit fails, perform the follo wing actions one at a ti me to correct the problem. Do not replace non-defective FRUs: External Mouse Failure If an external Mouse fails, perform the following actions one at a time to correc t th e problem.
158 Chapter 4 5. Restart the computer . 6. Remove any recently added hardware and associa ted software. 7. Remove any recently added software and reboot. 8. Restore system and file settings from a k nown good date using System Restor e . If the issue is not fixed, repeat the prec eding steps and select an earl ier time and date.
Chapter 4 159 Motherboard CMOS Discharge If any problems such as incorrect CMOS settings, the CMOS data can be cleared by short-ci rcuiting the CMOS CLRP2 jumpers. Open the memory b ay door and short-circuit the jump ers near the DDR socket, using a metal conductivity tool.
160 Chapter 4 4. Power-on the computer . 5. Determine if the problem has chang ed. 6. If the problem does not recur , reconnect the remove d devices one at a time until you find the failing FRU. 7. If the problem remains, replace the following FRU one at a time.
Chapter 4 161 Post Codes These tables describe the POST code s and descriptions durin g th e POST . Chipset POST Codes The following table details the chipset POST codes and functions used in the POST . Sec: NO_EVICTION_MODE_DEBUG EQU 1 (Comm onPlatformsecIa32SecCore.
162 Chapter 4 BDS & Specific action: 0x24 Program ODT 0x25 Perform steps required before me mory init 0x26 Program the receive enable reference timing control re gister Program the DLL Timing Cont.
Chapter 4 163 0xF8 Report that ExitBootServices () has been call ed 0xF9 Runtime driver set virtual address map Code Description.
164 Chapter 4 Each PEIM entry point used in 80_PORT Each Driver entry point used in 80_PORT Code Description 0x00 0x01 PEI_EVENT_LOG 0xA1 PEI_OEM_SER VICE 0xA2 PEI_SIO_INIT 0xA3 PEI_MONO_ST A TUS_CODE.
Chapter 4 165 0xC4 SECURITY_STUB 0xC5 DXE_CPU_IO 0xC6 CF9_RESET 0xC7 PC_RTC 0xC8 ST A TUS_CODE 0xC9 V ARIABLE EMU_V ARIABLE 0xD9 DXE_CHIPSET_INIT 0x45 DXE_ALERT_FORMA T 0xD6 PCI_HOST_BRIDGE 0xD7 PCI_E.
166 Chapter 4 0x72 MONITER_KEY 0x73 LEGACY_BIOS 0x75 LEGACY_BIOS_PLA TFORM 0x76 PCI_PLA TFORM 0x6C ISA_FLOOPY 0x6D PS2_MOUSE 0x6E USB_BOT 0x6F USB_CBI0 0x74 USB_MOUSE 0xF A SETUP_UTIL ITY 0x90 FW_BLOC.
Chapter 4 167 Each SmmDriver entry point used in 80_PORT Code Description 0xD4 SMM_ACCESS 0xDE SMM_CONTROL 0xCC SMM_BASE 0xD2 SMM_RUNTIME 0xDF SB_SMM_DISP A TCH 0xD0 SMM_THUNK 0xCA SMM_ACPI_SW_CHILD 0.
168 Chapter 4.
Chapter 5 169 Jumper and Connector Locations Top View Item Description JL VDS1 LCD Connector JP1 I nternal MIC JP3 P ower board Connector JKB1 Internal Keyboard Conne ctor JMDC1 Internal MDC Connector.
170 Chapter 5 Bottom View Item Description PJP2 Battery Connector JMINI1 WLAN Connector JODD1 ODD Connector JHDD1 HDD Connector JDIMMI/2 RAM Connector JCPU1 CPU Sock et JHDD2 2nd HDD Connector JF AN1 .
Chapter 5 171 LS-5022P USB Board LS-5024P Cap Sensor Board LS-5026P LED Board Item Description JUSB1/JUSB2 USB Connector JP1 USB Board CONN Item Description LED1 Power saving LED2 Backup key LED3 WLAN.
172 Chapter 5 LS-5027P SW Board LED2 Num LED LED3 Cap LED LED4 Media LED Item Descriptio n SW1 Power S/W Item Description.
Chapter 5 173 Clearing Password Check and BIOS Recovery This section provide you the standard operating proce dures of clearing password and BIOS recovery for Packard Bell EasyNote LJ75/LJ77. Packard Bell Ea syNote LJ75/LJ77 provides one Hardware Open Gap on main board for cle aring password check, and one Hotke y for enabling BIOS Re covery .
174 Chapter 5 4. Use an electric conductivity tool to short the two points of the HW Gap. 5. Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the system till BIOS POST finish. Then remove the tool from the HW Gap.
Chapter 5 175 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a spec ial block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed.
176 Chapter 5.
Chapter 6 177 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Repla ceable Unit) list ing in global configurations of Packard Bell EasyNote LJ75/ LJ77. Refer to this chapter whenever ordering for parts to repair or for RMA (Ret urn Merchandise Authorization).
178 Chapter 6 Packard Bell EasyNote LJ75/LJ77 Exploded Diagrams Main Assembly No. Description Acer P/N 1 LCD Assy 6M.BGB02.0 03 2 Middle Cover 60.WBV02.001 3 Keyboard KB.I170G .1 1 1 4 Upper Cover 60.BE202.002 5 Mainboard MB.WHH02.001 6 Lower Assy 60.
Chapter 6 179 Base Assembly No. Description Acer P/N 1 T ouchpad Bracket 33.WBF02.002 2 S peaker 23.WBF02.002 3 T ouchpad FCC 50.WBF02. 00 2 4 Upper Cover 60.
180 Chapter 6 LCD Assembly No. Description Acer P/N No. Description Acer P/N 1 LCD Bezel 60.WBF02.008 6 Antenna (L) 50.WBF02.007 2 LCD Panel LK.17305.0 01 7 Bracket (R) 33.WBF02.00 4 3 L VDS Cable 50.WBF02.008 8 Antenna (R) 50.WBF02.006 4 Bracket (L) 33.
Chapter 6 181 Packard Bell EasyNote LJ75/LJ77 FRU List CA TEGOR Y Description Part No. ADAPTER Adapter DEL T A 65W 19V 1.7x 5.5x1 1 Y ellow ADP-65JH DB A, L V5 LED LF AP .0 6501.026 Adapter LITE-ON 65W 19V 1.7x5.5x1 1 Y ellow P A- 1650-22AC L V5 LED LF AP .
182 Chapter 6 Foxconn Wireless LAN Atheros HB93 1x2 BGN (HM) NI.2360 0.046 Liteon Wireless LAN Ather is HB93 1x2 BGN (H M) WN6602AH NI.23600.051 Liteon Wireless LAN Realtek 8192SE BGN WN6603LH(2x2) NI.23600.055 Lan Intel WLAN 1 12BN.HMWG MM#90 3341 KI.
Chapter 6 183 MIDDLE COVER - For WIN 7 60.WBV02.001 POWER BOARD BRACKET 33.WBF02.005 TP BRACKET 33.WBF02.002 MAIN HDD DOOR W/ RUBBER FOOT 42.WBF02.001 HDD CARRIER 33.WBF02.001 HDD DOOR FOR NB W/ 2 HDD 42.WBF02.0 02 CPU/PROCESSOR CPU Intel Core i3 330M PGA 2.
184 Chapter 6 HDD WD 2.5" 5400rpm 250GB WD2500BEVT -22ZCT0 ML160 SA T A LF F/W:1 1.01 A1 1 KH.25008.021 HDD SEAGA TE 2.5" 5400rpm 320GB ST9320325AS Wyatt SA T A LF F/W:0001SDM1 KH.32001.017 HDD HGST 2.5" 5400rpm 320GB HTS545032B9A300 Panther B SA T A LF F/W: C60F KH.
Chapter 6 185 Keyboard GA TEW A Y GP-7T Black SJV70 Internal 17 S tandard 103KS Black Swiss/G KB.I170G .107 Keyboard GA TEW A Y GP-7T Black SJV70 Internal 17 S tandard 103KS Blac k CZ /SK KB.I170G . 090 Keyboard GA TEW A Y GP-7T Black SJV70 Internal 17 S tandard 103KS Blac k Bel gium KB.
186 Chapter 6 BD COMBO MODULE ODD BD COMBO MO DULE 6M.BGB02.002 ODD PLDS BD COMBO 12.7mm Tray DL 4X DS-4E1S LF W/O bezel SA T A (Windows 7) KO.0040F .003 ODD BEZEL-BD C OMBO 42.WBF02.005 ODD BRACKET 33.WBF02.003 LCD ASSY LEC LCD MODULE 17.3" WXGA GLARE W/ ANTENNA *2, CAMERA, IMR, BLACK - PB 6M.
Chapter 6 187 ANTENNA AUX (L) 50.WBF02.007 LCD BEZEL 60.WBF02.008 L VDS CABLE 50.WBF02. 008 LCD BRACKET R+L 33.WBF02.004 CAMERA 0.3M 57.WBF02.001 MAINBOARD Mainboard NV79/ENLJ7 5/ENLJ77 UMA Intel HM55 LF MB.WHH02 .001 Mainboard NV79/ENLJ7 5/ENLJ77 Park XT 512MB VRAM Intel HM55 LF MB.
188 Chapter 6 Screw List NAME PLA TE-ENLJ75 40.BH302.001 LCD SCREW RUBBER 47.WBF02.001 PVC MYLAR FOR LCD COVER-LEFT 47 .WBU02.00 1 CA TEGOR Y Description Part No. SCREW SCREW M2.45D 8.0L K 5.5D 0.8T ZKNL 86.WBF02.001 SCREW M2.5D 5L K 5.5D ZK NL + CR3 86 .
Chapter 6 189.
Appendix A 190 Model Definition and Configuration Packard Bell EasyNote LJ75 Series Model Acer Part No RO Country Description ENLJ75- 334G64Mn LX.BG902.00 5 EMEA S pain ENLJ75-334G6 4Mn W7HP6 4BTES1 MADISON_PRO1GBCkk_V3 2*2G/640/6 L2.2/ 5R/CB_GN_0.3D_GEk_ESA2 EASYNOTE_LJ75-JN-332SP ENLJ75- 434G50Mn LX.
191 Appendix A ENLJ75- 434G32Mn LX.BG902.00 9 EMEA Italy E NLJ7 5-434G32Mn W7HP64BTIT1 MADISON_PRO1GBCkk_V3 2*2G/320/6 L2.2/ 5R/CB_GN_0.3D_G Ek_IT71 EASYNOTE_LJ75-JO-1 1 0IT ENLJ75- 434G50Mn LX.BG902.00 7 EMEA France ENLJ75-434 G50Mn W7HP64BTFR1 MADISON_PRO1GBCkk_V3 2*2G/500_L/ 6L2.
Appendix A 192 ENLJ75- 334G50Mn LX.BH302.002 EMEA France ENLJ7 5-334G50Mn W7HP64BTFR1 P ARK_XT512Ckk_V3 2*2G/500 _L/6L2 .2/5R/ CB_GN_0.3D_GEk_FR51 EASYNOTE_ LJ75 - JN-253FR ENLJ75- 434G32Mn LX.BH302.001 EMEA Germany ENLJ75-434G32Mn W7HP64BTDE1 P ARK_XT512Ckk_V3 2*2G/320/BT /6L2.
193 Appendix A ENLJ75- 334G64Mn LX.BG902.010 Ci3330M NLED17.3W XGA+G MADISON_PRO 1G-DDR3 (64*16*8) ENLJ75- 334G50Mn LX.BG902.002 Ci3330M NLED17.3W XGA+G MADISON_PRO 1G-DDR3 (64*16*8) ENLJ75- 434G32Mn LX.BG902.009 Ci5430M NLED17.3W XGA+G MADISON_PRO 1G-DDR3 (64*16*8) ENLJ75- 434G50Mn LX.
Appendix A 194 Model Acer Part No Memory 1 Memory 2 Memory 3 Memory 4 HDD 1(GB) ENLJ75- 334G64Mn LX.BG902.005 SO2GBIII10 SO2GBIII10 N N N640GB5.4KS ENLJ75- 434G50Mn LX.BG902.004 SO2GBIII10 SO2GBIII10 N N N500GB5.4KS ENLJ75- 436G50Bn LX.BG902.014 SO2GBIII10 SO4GBIII10 N N N500GB5.
195 Appendix A ENLJ75- 334G50Mn LX.BH302.002 SO2GBIII10 SO2GBIII10 N N N500GB5.4KS ENLJ75- 434G32Mn LX.BH302.001 SO2GBIII10 SO2GBIII10 N N N320GB5.4KS ENLJ75- 544G32Mi S2.BH302.001 SO2GBIII10 SO2GBIII10 N N N320GB5.4KS ENLJ75- 334G32Mn LX.BGB02.005 SO2GBIII10 SO2GBIII10 N N N320GB5.
Appendix A 196 ENLJ75- 624G50Mn LX.BG902.006 N NSM8XS N NIS 5 in 1- Build in ENLJ75- 434G64Mn LX.BG902.003 N NSM8XS N NIS 5 in 1- Build in ENLJ75- 524G50Mi S2.BG902.002 N NSM8XS N NIS 5 in 1 - Build in ENLJ75- 434G82Mn LX.BH302.01 0 N320GB5. 4KS NSM8XS N NIS 5 in 1- Build in ENLJ75- 338G50Mn LX.
197 Appendix A ENLJ75- 436G50Bn LX.BG902.014 3rd WiFi 2x2 BGN N NNH M 5 5 ENLJ75- 434G1 TMn LX.BG902.001 3rd WiFi 2x2 BGN N NNH M 5 5 ENLJ75- 434G1 TBn LX.BG902.008 3rd WiFi 2x2 BGN N NNH M 5 5 ENLJ75- 436G64Mn LX.BG902.013 3rd WiFi 2x2 BGN B T 2 . 1 NNH M 5 5 ENLJ75- 434G50Mn LX.
Appendix A 198 ENLJ75- 544G32Mi S2.BH302.001 INT6200H BT 2.1 N N HM55 ENLJ75- 334G32Mn LX.BGB02.005 3rd WiFi 2x2 BGN N NNH M 5 5 ENLJ75- 334G32Mn LX.BGB02.004 3rd WiFi 2x2 BGN N NNH M 5 5 ENLJ75- 334G50Mn LX.BGB02.001 3rd WiFi 2x2 BGN N NNH M 5 5 ENLJ75- 334G50Mn LX.
199 Appendix A Packard Bell EasyNote LJ77 Series Model Acer Part No RO Country Descrip tion ENLJ77- 543G50Mn S2.BGA02.001 WW WW ENLJ7 7-543G50Mn W7HP64BWW2 MADISON_PRO1GBCrk_ V3 2G+1G/500_L/BT/ 6L2.2/5R/CB_GN_0.3D_GEr_EN1 1 ENLJ77- 544G50Mi S2.BH402.001 WW WW ENLJ77-544 G50Mi W7HP64BWW2 P ARK_XT512Crk_V3 2*2G/500_L/BT/6L2 .
Appendix A 200 Model Acer Part No Wireless LAN1 Bluetoot h VOIP Phone Finger Print NB Chipset ENLJ77- 543G50 Mn S2.BGA02.001 3rd WiFi 2x2 BGN BT 2.1 N N HM5 5 ENLJ77- 544G50 Mi S2.BH402.001 INT6200H BT 2.1 N N HM55 ENLJ77- 543G32B n S2.BGC02.001 3rd WiFi 2x2 BGN BT 2.
Appendix B 201 Test Compatible Components This computer ’s compat ibility is tested and verified by Acer ’s internal testing department. All of it s system functions are tested under Windows ® 7 environment. Refer to the following lists for components, adapter ca rds, and peripherals which have passed these tests.
202 Appendix B Microsoft ® Windows ® 7 Environment Test V endor Ty p e Description 2nd HDD HGST N160GB5.4KS HDD HGST 2.5 " 5400rpm 160GB HTS545 016B9A300 Panther B SA T A LF F/W:C60F HGST N250GB5.4KS HDD HGST 2.5 " 5400rpm 250GB HTS545 025B9A300 Panther B SA T A LF F/W:C60F HGST N320GB5.
Appendix B 203 SONY 8CELL2.4 Battery SONY AS-2007 B Li-Ion 4S2P SONY 8 cell 4800mAh Main COMMON Bluetooth Foxconn BT 2.1 F oxconn Bluetooth BRM 2046 BT2.
204 Appendix B CMO NLED17.3WXGA+G LED LCD CMO 17.3" WXGA+ Glare N173O6-L02 LF 220nit 8ms 600:1 LPL NLED17.3WXGA+G LED LCD LPL 17.3" WXGA+ Glare LP173WD1-TLA1 LF 220nit 8ms 600:1 SAMSUNG NLED17.
Appendix B 205 VGA Chip AMD MADISON_PRO AMD MADISON_PR O 40nm 29mm*29mm M2 package AMD P ARK_XT AMD P ARK_XT 40nm 29mm*29mm M2 package None UMA UMA (Intel) VRAM 1G-DDR3 (64*16*8) 1G-DDR3 64*16*8 512M-.
206 Appendix B.
Appendix C 207 Online Support Information This section describe s online techni cal support services a vailable to help you repair your Acer Systems. If you are a distributor , dealer , ASP or TPM, please re fer your technical queries to your local Acer branch office.
208 Appendix C.
209 A AFLASH Utility 39 Antennas Removing 104 B Battery Pack Removing 52 Replacing 137 BIOS ROM type 18 vendor 18 Version 18 BIOS Utility 27–39 Advanced 30 Boot 37 Exit 38 Navigating 27 Onboard Devi.
210 Replacing 112 LCD Brackets Removing 101 Replacing 109 LCD Failure 143 LCD Module Removing 71 Replacing 126 LCD Module Disassembly Flowchart 96 LCD Module Reassembly Procedure 106 LCD Panel Removin.
21 1 T T est Compatible Components 201 Thermal Grease 114 Thermal Module Removing 94 Replacing 114 Thermal Unit Failure 157 T ouchPad Bracket Removing 80 Replacing 122 T ouc hPad Failure 144 T roubles.
212.
An important point after buying a device Packard Bell LJ75 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Packard Bell LJ75 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Packard Bell LJ75 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Packard Bell LJ75 you will learn all the available features of the product, as well as information on its operation. The information that you get Packard Bell LJ75 will certainly help you make a decision on the purchase.
If you already are a holder of Packard Bell LJ75, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Packard Bell LJ75.
However, one of the most important roles played by the user manual is to help in solving problems with Packard Bell LJ75. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Packard Bell LJ75 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
