Instruction/ maintenance manual of the product D240H Acer
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Acer Acer –LCD-D240H Service Manual LCD Monitor Acer D240H.
1 1 T able of Content s Important Safety Notice ......................................................................................... 02 01 Product S pecification ....................................................................................
Acer Acer –LCD-D240H Import ant Safety Notice 1. Safety precautions This monitor is manufactured and tested on a ground pr inciple that a user ’s safety comes first. However , improper used or installation may cause damage to the monitor as well as to the user .
Acer Acer –LCD-D240H 01 Product S pecification 1. General: Acer D240H is designed with L VDS interf ace and VGA/DVI-D/HDMI input, and Embedded DPF Function ,it featured with embedded universal AC power supplies and audio input. It’s a green product and meets all ROHS st andard.
Acer Acer –LCD-D240H USB: USB2.0 (optional function) Webcam: 1.0M resolution(1280 x 800), st andar d USB2.0 interface, array microphone (optional function) 2.
Acer Acer –LCD-D240H Reliability Items Condition Spec Note MTBF T =25 ℃ > 50 ,000 Hours ， CCFL Life time Luminance becomes 50% 5 0,000 Hours( Typ ) Note1 Note1. Display an all WHITE field at mid Brightness and Contrast settings. 3. Electrical and Optica l Characteristics and Performance 3.
Acer Acer –LCD-D240H DC output loading capability Vcc5V/1.8A, Vcc25V/1.4A Audio 5V : 1.5A USB 5V : 1.5A Rise Time <50mS Dynamic load change Hold-up time AC input: 100V~240V >10mS Overshoot <10% Turn on delay time 2S Power management See T able-1 Note3: Paralleled a 0.
Acer Acer –LCD-D240H CCFL startup volt age ≧ 2000 V rms (0 ˚ C) CCFL startup volt age ≧ 1850 V rms (25 ˚ C) Operating frequency 40~60 KHz Protect delay time > 1 second Efficiency ≥ 75% Note: Other panels please refer to the reference panel specs .
Acer Acer –LCD-D240H % ≥ 75 ) (backlight points nine of luminance Max. ) (backlight points nine of luminance Min. 4. Input / Output Signal Specifications 4.1 AC in 4.1.1 AC Input V oltage: 100~240V AC 4.1.2 AC Input Current: 1.2A @100V ac, 0.6A @240V ac 4.
Acer Acer –LCD-D240H 4.5 DVI-D in DVI-D Connector Pin assignment: Pin Symbol Pin Symbol 1 TMDS Dat a 2- 16 Hot Plug Detect 2 TMDS Dat a 2+ 17 TMDS Dat a 0- 3 TMDS Dat a 2/4 shield 18 TMDS Dat a 0+ 4.
Acer Acer –LCD-D240H 15 DDC SCL 4.6.2 Signal SPEC: Items Condition Specification Analog RGB signal Input impedance =75 Ohm 0.7Vp-p Sync Input impedance ≧ 1k Ohm TTL level, Separate H/V -sync(+/-) H-Sync Frequency 31K~8 3 KHz V -Sync Frequency 49~76Hz 4.
Acer Acer –LCD-D240H SVGA 832*624@75H z 49.725 N 74.55 N 57.283 XGA 1152*8 70@75Hz 68.681 N 75.062 N 100 Other MODES WXGA 1280*800@60Hz 49.702 N 59.81 P 83.5 Note: 1. Non-interlace signals only (A n interlace signal cannot be display) 2. Please refer to F/W specification for more detail 3.
Acer Acer –LCD-D240H 4.8 HDMI timing t able For DVD Player Input, Attached timing is s upported : Mode Resolution Pixel Clock MHz H sync KHz V sync Hz Ratio VGA 640 x 480p 25.2 31.5 60 4:3 NTSC (480i) 720 x 480 13.50 15.73 60 4:3 NTSC (480p) 720 x 480 27.
Acer Acer –LCD-D240H 4 .10.2 DVI EDID table 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 F F FF FF FF FF F F 00 04 72 74 00 00 00 00 00 1 00 00 01 03 80 35 1D 78 EA 60 85 A6 56 4A 9C 25 2 12 50 54 AF CF 00 .
Acer Acer –LCD-D240H 1) Nand play photo function: 1. without any memory card, the screen will display slideshow photo from Na nd storage, 2. If no photo files in Nand storag e,the screen will display browser mode. 2) card reader function Connect the USB upstrea m and the card read function will be st arted when D240H on Mo nitor mode.
Acer Acer –LCD-D240H 4.1 1.4. DPF function test 4.1 1. 4. 1. DPF Monitor keypad control flow 1 . S w i t c h t o D P F keypad flow 2. DPF play photo mode keypad flow Category ext Yes/ No .
Acer Acer –LCD-D240H 3. DPF select photo mode flow 4. DPF setting menu flow.
Acer Acer –LCD-D240H.
Acer Acer –LCD-D240H Setting menu layer-1.
Acer Acer –LCD-D240H Setting menu layer-2 Setting menu layer-3.
Acer Acer –LCD-D240H 4.1 1.4. 2. DPF photo function test 1.T est the picture as below items: 1 ) .Photo performance 2 ) . N e x t p i c t u r e 3 ) . F o r w a r d p i c t u r e 4 ) . P a u s e 5 ) . P l a y 6 ) , s l i d e s h o w . 7 ) . R o t a t e .
Acer Acer –LCD-D240H 4). If first Monitor mode sw itch to DPF when AC on and DC on and form power saving ,the screen will display DPF Acer logo 5). If hot_plug any card on DPF mode,the di splay screen will change to i nput source select mode . 6). If always press rotate key on play/back mode,the photo will rotate one time.
Acer Acer –LCD-D240H 4.1 1.5. DPF System Profile 1.DPF-functions overview 2.DPF-Input support& image support.
Acer Acer –LCD-D240H 5. Function Specifications All the tests to verify specifications in this section shall be perform ed under the following standard conditions unless otherwise noted . The st andard conditions are: T emperature : 25 ± 5°C W arm-up time : 30 minutes minimum Checking display modes : All the specified modes 5.
Acer Acer –LCD-D240H 6. Function Specifications All the tests to verify specific ations in this section shall be performed under the following st andard conditions unless otherwise noted . The st andard conditions are: T emperature : 25 ± 5°C W arm-up time : 30 minutes minimum Checking display modes : All the specified modes 5.
Acer Acer –LCD-D240H Text mode 44 Standard mode 77 Graphics mode 97 Movie mode 77 User mode 50 Text mode 50 Standard mode 50 Graphics mode 60 Contrast --- --- 0 ～ 100 Movie mode 56 H.
Acer Acer –LCD-D240H Reset --- --- --- --- Resolution --- --- --- H. Freq --- --- --- (2) V. Freq --- --- --- Input Type --- --- --- S/N --- --- --- Notes: (1) Clock default 50 is for Visa timing .
Acer Acer –LCD-D240H 5.4 OSD Translation 5.4.1 Monitor part Main menu (N O_EMEA) English ( 英 语 ) 繁體中文 Deutsch ( 德 语 ) Français ( 法 语 ) Español ( 西班牙 语 ) Italiano ( 意.
Acer Acer –LCD-D240H Message menu: (NON_EMEA) English ( 英 语 ) 繁體中文 Deutsch ( 德 语 ) Français ( 法 语 ) Español ( 西班牙 语 ) Italiano ( 意大 利语 ) 简 体中文 日本語 Auto Config Please Wait 自動調整 請稍待 Autom.
Acer Acer –LCD-D240H Color management OSD (scenario OSD) language: (NON_EMEA) English ( 英 语 ) 繁體中文 Deutsch ( 德 语 ) Français ( 法 语 ) Español ( 西班牙 语 ) It aliano ( 意大.
Acer Acer –LCD-D240H Standard 標準 Standard Standard Estándar Standard 标 准 標準 Text 文字 Text Texte Texto Testo 文本 テキスト Graphics 圖形 Grafiken Images Gráficos Grafica 图 .
Acer Acer –LCD-D240H Monitor Weight 5.6±0.3Kg 6.2 Cabinet Material Cabinet Material Spec Cabinet Plastic Material ABS HB(PMMA) Front Bezel BLACK Back Cover BLACK Base BLACK Cabinet T exture ACER SPECIFICA TION 6.3 Mechanical S pecification Mechanical Spec Bezel Gap S pecification ≦ 1.
Acer Acer –LCD-D240H 7. Package 7.1 Unit Package Specification 7.1.1 Units pack age Items S pec Packaging Refer to ME P ACKING SPEC Ink COLOR Length 632+/-2.0mm Height 494+/-2.0mm Width 139+/-2.0mm Gross W eight 7.9±0.3kg Units per Pall et 56sets/p allet 40’ /20’ Container Loading, Palletized 1 120sets/5 60sets 7.
Acer Acer –LCD-D240H 7.1.3 Non operatio n Thermal Shock Test Item Description T emperature -20 0 C to 60 0 C Reset cycl es times 25 ºC >60 ºC (10hrs)>25 ºC (2hrs)>-20 ºC (10hrs)>25 ºC 3cycles , every transition time 0.5 hr , T otal cycles 3 cycles 7.
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Acer Acer –LCD-D240H 02. Flat Panel Specification.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 2 NUMP A GES | 29 } M240HW 01 V2 Content s 1.0 Hand ling Precauti on s ...................................................................................... 4 2.0 General D escrip tion .
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 4 NUMP A GES | 29 } M240HW 01 V2 1.0 Handling Precautions 1) Since f ront polari zer i s easily damaged, pay attention not to scratch it. 2) Be sure to turn off power suppl y w hen inserting or disconnecting from input connector.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 5 NUMP A GES | 29 } M240HW 01 V2 2.0 General Description This specificati on applies to the 24 inch-w ide Color a- Si TFT-LCD Modul e M240HW 01.Th e display supports the Full HD - 1920(H) x 1080(V) scr een format and 16.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 6 NUMP A GES | 29 } M240HW 01 V2 2.2 Optical Charact eristics The optical characteri stics are measured under stable conditions at 25 ℃ : Item Unit Conditions Min .
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 7 NUMP A GES | 29 } M240HW 01 V2 Note 1: Measurement method The LCD module should be stabilized at giv en te mperature f or 30 minutes to avoid abrupt temperature chang e during measur ing (at surface 35 ) ℃ .
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 8 NUMP A GES | 29 } M240HW 01 V2 Note 3: Contrast ratio is measured by TOPCON SR- 3 Note 4: Definition of Response .
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 9 NUMP A GES | 29 } M240HW 01 V2 CT = | YB – YA | / YA × 100 (%) W here YA = Lumi nance of measured location w i.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 0 NUMP A GES | 29 } M240HW 01 V2 3.0 Functional Block Diagram The following diagram show s the functional block of the 24.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 1 NUMP A GES | 29 } M240HW 01 V2 4.0 A bsolute Maximum Ratings Absolute maxi mum ratings of the module ar e as followi ng: 4.1 TFT LCD Module 4.2 Backlight Unit Item Sy mbol M in M ax Unit Conditions CCFL Current ICFL 3.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 2 NUMP A GES | 29 } M240HW 01 V2 5.0 Electrical characteristics 5.1 TFT LCD Module 5.1.1 Powe r Specification Input power specifications are as follow ing: Note 1 : Measurement conditions: The duration of rising time of power input i s 470 us.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 3 NUMP A GES | 29 } M240HW 01 V2 5.1.2 Signal Electrical Characterist ics Input signals shall be low or Hi -Z state when VD D is off. Please refer to specifications of SN75LVDS82DGG ( Texas Instruments) in detai l.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 4 NUMP A GES | 29 } M240HW 01 V2 5.2 Backlight Unit Parameter g uideline for CC FL Inverter is under stabl e conditions at 25 (Room Temperature): ℃ Parameter Mi n.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 5 NUMP A GES | 29 } M240HW 01 V2 Note 2: CCFL standard curr ent is measured at 25 ± 2 ℃ . Note 3: CCFL discharg e frequency should be carefully determined to av oid interference betw een inver ter and TFT LCD.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 6 NUMP A GES | 29 } M240HW 01 V2 6.0 Signal Characteristic 6 . 1 P i x e l F o r m a t I m a g e Follow ing figur e shows the relati onship of the input signals and LC D pixel format.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 7 NUMP A GES | 29 } M240HW 01 V2 6.3 Signal Description The module using one LVDS r eceiver SN75LVDS82(Texas Instr uments). LVDS i s a differential signal technology for LCD interface and hig h speed data transfer device.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 8 NUMP A GES | 29 } M240HW 01 V2 Note1: Start from left side Note2: Input signals of odd and ev en clock shall be the same timi ng.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 1 9 NUMP A GES | 29 } M240HW 01 V2 6.5 Timing diagram Line Line Pixel 7 Invalid Data Pixel Pixel M-3 2 Tdisp(h) Pix.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 2 0 NUMP A GES | 29 } M240HW 01 V2 6 . 6 P o w e r O N / O F F S e q u e n c e VDD pow er and lamp on/off sequence are as follow s. Interface signals ar e also shown i n the chart.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 2 1 NUMP A GES | 29 } M240HW 01 V2 7.0 Connector & Pin A ssignment Physi cal interface is descri bed as for the connec tor on module. These connectors are capabl e of accommodating the following signals and w ill be f ollowing components.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 2 2 NUMP A GES | 29 } M240HW 01 V2 7.2 Backlight Unit Physi cal interface is descri bed as for the connec tor on module. These connectors are capabl e of accommodating the following signals and w ill be f ollowing components.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 2 3 NUMP A GES | 29 } M240HW 01 V2 8.0 Reliability Test Envir onment test conditions are listed as fo llow ing table.
AU OPTRONICS CORPORA TION Product Specific ation d o c u m e n t v e r s i o n 1 . 0 2 4 NUMP A GES | 29 } M240HW 01 V2 9.0 Shipping Label The label is on the panel as show n below: Note 1: For Pb Free products, AUO will add f or identification. Note 2: For RoHS compatible products, AUO will add for identification.
V e r 0 . 2 10.0 Mechanical Characterist ics.
V e r 0 . 2.
V e r 0 . 2.
Acer Acer –LCD-D240H 03 Exploded Diagram 3.1 D240H_SCREW_LIST ITEM PN Description Q'T Y(P CS) Fixed T(kg*cm) Remark 1 509146306 200R SCREW ,P ,CROSS,W/ W AS, M3*6,Zn-Cc 10 6.
Acer Acer –LCD-D240H 04 T roubleshooting 4.1 Black Sreen Check power supply: Pin 3, 4 of CN101 POWER Fail Check U101, U106 Check C125, R133 Check X101, C126, C114,R134 Inverter Fail U102 fail Black .
Acer Acer –LCD-D240H 4.2 Bad Screen Bad Screen Check LVDS cable Change L VDS cable Check Crystal: Pin 114,126 of U102 Workmanship LVDS cabl e NG Check the pins of U102 Change X 101, C11 4, C126 OK O.
Acer Acer –LCD-D240H 4.3 White Sreen White Screen Check LVDS Cable Insert O K? Change LVDS Cable Check VLCD is +5V? Check Panel Enable of U102 Check Q101, Q104, Q102, R160, R162 ， R157 Check LVDS .
05 S p are p art s List 82424173A120R ACER PART NO. OE M PART NO DESCRIPTION CN 55.LJR0J.001 792381300720H PCBA,IF/B( V2,W/SPK,EMEA),LP2441-737 55.LJR0J.002 792381400710H PCBA ,PI/B,W/SPK,LP2441-737 55.LEW0J.003 792381500000R PCBA,POWER KEYPAD/B,LP2441 ROHS 55.
60.LEW0J.002 714030022100R ASSY BEZEL ,LP2441 60.LEW0J.003 714011206200R ASSY STAND ,LP2441 60.LEW0J.004 714020018200R ASSY BASE,LP2441 60.LJR0J.002 701000018401R ASSY CHASSIS,DPF,LP2441 60.LEW0J.005 501020228600R HINGE COVER,LEFT , LP2441 60.LEW0J.006 501020228601R HINGE COVER,RIGHT , LP2441 23.
Acer Acer –LCD-D240H 06 Schematics and Layout s 6.1 IF BD Layout.
Acer Acer –LCD-D240H 6.2 Power BD Layout.
Acer Acer –LCD-D240H.
Acer Acer –LCD-D240H 6.3 Keyp ad BD Layo ut.
Acer Acer –LCD-D240H 6.4 T ouchpad BD Lay out 6.5 Card BD Layout.
Acer Acer –LCD-D240H 6.5 Switching Mode Power Suppl y circuit.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A pull down pull up pull up pull down pull up pull up pull down pull down pull down pull up NF/xD_BSY NF_WEN NF_CLE/XD_CLE(O) NF_ALE/XD_ALE(O) NF_REN/XD_REN NF_WPn/XD.
S1: Take out a panel S2: Assemble the pa nel and the bezel. S3: Take out a chassis on the panel and assemble the power board and the chassis S4: Take out the main board and insert the FFC cable and keypad cable.
S5: Assemble the main board and the Card board with the chassis. S6: Use a screwdriver to screw the 5 screws to fix the power board. S7: Use a screwdriver to screw the 4 screws to fix the main boar d and USB board. S8: Use a screwdriver to screw the 1 screw to fix the HDMI connecter.
S10: Fix the chas sis in the bezel. S9: Use a screwdriver to screw the 4 screws to fix the VGA and DVI connecter. S11: Set up the speaker. 1 2 3 4 S12: Release the LVDS cable between main board and panel. a Red left and green right S12: Set up the keypad board and the touchpad board.
S13: Fix the touchpad board and the keypad board. Connect the two board S14: Assemble the back cover. S15: Assemble the stand and fix it. S16: Assemble the left and right hinge cover.
S17: Assemble t he base with the stand..
An important point after buying a device Acer D240H (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Acer D240H 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 Acer D240H - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Acer D240H you will learn all the available features of the product, as well as information on its operation. The information that you get Acer D240H will certainly help you make a decision on the purchase.
If you already are a holder of Acer D240H, 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 Acer D240H.
However, one of the most important roles played by the user manual is to help in solving problems with Acer D240H. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Acer D240H 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
