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Acer G205H Service Manual
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Acer G205H Service Manual

Acer G205H Service Manual

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Acer
Acer –LCD-G205H
Service Manual
LCD Monitor Acer G205H

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Summary of Contents for Acer G205H

  • Page 1 Acer Acer –LCD-G205H Service Manual LCD Monitor Acer G205H...

  • Page 2: Table Of Contents

    Copyright 2006 InnoLux Tech. Corp. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of InnoLux Tech. Corp. Ltd. Acer G205H Service Manual...

  • Page 3: Important Safety Notice

    Acer Acer –LCD-G205H Important Safety Notice Safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user.

  • Page 4: Product Specification

    01 Product Specification 1. General: G205H series LCD monitor is designed with a wide screen 20.0” WXGA+ TFT LCD panel, LVDS interface, analog RGB signal input and DVI-D signal input.It featured with embedded universal AC power supply. This monitor can support maximum resolution up to 1600 x 900@60Hz.
  • Page 5 Acer Acer –LCD-G205H note 1 2.1.2 Storage Temperature range : -20°C to 60°C Humidity range : 10% to 90% note 2 2.1.3 Altitude Operating 10000 ft (Ta=50, t=24h) Storage 40000 ft (Ta=30, t=24h ) Note 1: Temperature and relative humidity range must be in the area shown as the following figure due to panel limited Note 2: Altitude spec must not over panel spec.
  • Page 6 Acer Acer –LCD-G205H 3.1 Main Power Supply Input characteristics 3.1.1 Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating Universal input full range 100~240Vac AC input frequency range 90~264Vac 47~63Hz AC input frequency rating...
  • Page 7 Acer Acer –LCD-G205H Status H-sync V-sync Video Power Power On active ≤ 48W Blue blanked < 1W Yellow Power Saving blanked < 1W Yellow blanked < 1W Yellow Power Off < 1W 3.1.4 Backlight Power Supply Items Specification SEC LTM200KT01 panel...
  • Page 8 Acer Acer –LCD-G205H Chromaticity Coordinate Mode 9300K 0.283 ± 0.030 0.297 ± 0.030 Cool 6500K 0.313 ± 0.030 0.329 ± 0.030 Warm Panel While x Panel While y User 3.4 Brightness uniformity The test standard conditions refer to Sec 3.4.
  • Page 9 Acer Acer –LCD-G205H VESA MODES Horizontal Vertical Nominal Mode Resolution Total Nominal Nominal Pixel Clock Sync Sync Frequency Frequency (MHz) Polarity Polarity +/-0.5KHz +/-1Hz 640*480@60Hz 800*525 31.469 59.941 25.175 640*480@72Hz 832*520 37.861 72.809 31.500 640*480@75Hz 840*500 37.500 75.000 31.500 800*600@56Hz 1024*625 35.156...
  • Page 10 Acer Acer –LCD-G205H G205H DVI EA DE G205H HDMI(N/A) 5. LCD Characteristic & Performance All the tests to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. The standard conditions are: Temperature : 25 ± 5°C...
  • Page 11 Acer Acer –LCD-G205H Note : Detial Spec PLS follow panel Spec 5.1.2 LCD module defects LCD module defects check follows IIS. 6. Function Specifications 6.1 Keypad Function 6.1.1 Control buttons A. When OSD un-displays, press [AUTO] and the function menu will show on the screen;...
  • Page 12 Acer Acer –LCD-G205H e-color mpowering technology Auto Function Menu Main menu Main menu (Pictiure) Audio Audio menu Input mpowering Acer eColor Management Standard technology User mode Text mode 0～100 Brightness Standard mode Graphics mode Movie mode User mode Text mode 0～100...
  • Page 13 Acer Acer –LCD-G205H Russian 繁體中文 Deutsch Deutsch Français Français Español Español Italiano Italiano Dutch 简体中文 Finnish 日本語 Reset Resolution H.Freq Info V.Freq Input Type Notes; ○ Clock default 50 is for Visa timing. Others depend on timing. 6.3 OSD Translation NO_EMEA 1.English...
  • Page 14 Acer Acer –LCD-G205H ワイドモー Wide Mode Vollbild Plein écran Completa Schermo intero 寬螢幕模式 宽屏模式 ド Full 全螢幕 Vollbild Plein écran Completa Pieno 全屏 全画面 Aspect Aspect Input 輸入 Eingang Entrée Entrada Input 输入 入力 语言 Language Sprache Langue Idioma Lingua 語言...
  • Page 15 Acer Acer –LCD-G205H Acer eColor Acer eColor Acer eColor Acer eColor Acer eColor Acer eColor Acer eColor Acer eColor Managemen Management Management Management Management Management Management Management Brightness Яркость Helligkeit Luminosité Brillo Luminosità Helderheid Kirkkaus Contrast Контрастность Kontrast Contraste Contraste...
  • Page 16 Acer Acer –LCD-G205H Bezig met Autoajuste Autom. Auto Config Автонастройка, Autom. Abgl. Autoréglage Autoregolazione automatische Espere, por asetukset. Please Wait подождите... Bitte warten Veuillez patienter Attendere prego configuratie, een favor Odota ogenblik geduld Cable Not Кабель не Leitung nicht Câble non...
  • Page 17 Acer Acer –LCD-G205H items Spec Tilt Compliance with TCO03, -4°(+/-1°) ~+14°(+/-1°) Wall Mount 100mm x 100 mm 8. Package 7.1 Unit Package Specification 7.1.1 Units package Items Spec Packaging Refer to ME PACKING SPEC Length 535+/-2.0mm Height 420+/-2.0mm Width 127.5+/-2.0mm Gross Weight 5.8±0.5kg...
  • Page 18 Acer Acer –LCD-G205H Drop Height(cm) Drop sequence and orientation Drop Drop onto Type Drop Figure Step 1 Corner(2-3-5)of package Corner Step 2 Edge(3-5) of package Edge Step 3 Edge(2-3) of package Edge Step 4 Edge(2-5) of package Edge Step 5...
  • Page 19 Acer Acer –LCD-G205H...

  • Page 20: Flat Panel Specification

    Acer Acer –LCD-G205H 02. Flat Panel Specification...
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  • Page 54: Exploded Diagram

    Acer Acer –LCD-G205H 03 Exploded Diagram 1. Screw list Remark Item Part No. Description Fixed T(kg*cm) 6.5±0.5 509146306200R I/F Board to Chassis*1 SCREW,P,CROSS,W/WAS,M3*6,Zn-Cc Power Board to Chassis*4 3.75±0.25 509000000700R BOLT,#4-40x11.8,Ni ROHS D-SUB CON*2 DVI CON*2 Hinge to Stand 10±0.5 509412610500R SCREW,B,CROSS,B.T-4*10,BLK,...

  • Page 55: Troubleshooting

    Acer Acer –LCD-G205H 04 Troubleshooting 1. No Power & Power LED Off No pow er &LED off Check prim ary Check IC802, Check circuit if short rectifier voltage C805, T801 Check F801, F802, P801, D801 Check R801, Check pin3 of IC802...
  • Page 56 Acer Acer –LCD-G205H DC output voltage is unstable U n s ta b le p o w e r C h e c k C h a n g e R 8 1 0 , C h e c k R 8 1 0 ,...
  • Page 57 Acer Acer –LCD-G205H 3. Backlight can’t be turned on N o r a s te r Y E S L E D G r e e n ? Y E S B a c k lig h t c a n...
  • Page 58 Acer Acer –LCD-G205H 4. Black Screen and backlight turn on...
  • Page 59 Acer Acer –LCD-G205H 5. White Screen...
  • Page 60 Acer Acer –LCD-G205H 6. Bad Screen...

  • Page 61: Spare Parts List

    05 Spare parts List 8201AM81A120R ACER PART PARTNAME OEM PART NO DESCRIPTION POWER 55.LK70J.002 794031400800H PCBA,PI/B,W/SPK,LE20AM-812 BOARD KEYPAD 794041500000R PCBA,KEYPAD BOARD,LE23AK-612 ROHS 55.LK60J.003 BOARD MAIN 794031300800R PCBA,IF/B(616,EMEA,W/SPK),LE20AM-812 ROH 55.LK70J.001 BOARD 50.LK70J.001 430303002220R HRN LVDS FFC 30P 155mm W/TASTE FFC CABLE 50.LK70J.002 430300803780R...
  • Page 62 60.LK70J.001 71405E20AM03R ASSY,BACK COVER,DUAL,W SPK ,BLACK,SEC,LE BACKCOVER 60.LK70J.002 71403E20AM00R ASSY, BEZEL,BLACK,LE20AM BEZEL 60.LK70J.003 71401E20AM00R ASSY,STAND,BLACK,LE20AM STAND 60.LK70J.004 71402E20AM01R ASSY,BASE,DUAL,BLACK,LE20AM BASE 23.LBN0J.001 618100103070R SPEAKER 1.5W 8Ω 260mm R/G/B W/CASE SPEAKER LK.20006.017 631102200860HA LCP 20.0"LTM200KT01-616(A)(SAMSUNG)HF PANEL LK.20006.018 631102200870HA LCP 20.0"LTM200KT01-617(A)(SAMSUNG)HF PANEL...

  • Page 63: Schematics And Layouts

    Acer Acer –LCD-G205H 06 Schematics and Layouts 6.1 IF BD Layout...
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  • Page 65 Acer Acer –LCD-G205H 6.2 Power BD Layout...
  • Page 66 Acer Acer –LCD-G205H 6.3 Keypad BD Layout 6.1 Switching Mode Power Supply circuit...

  • Page 67: Assembly And Disassembly

    Assembly and Disassembly Use a screwdriver to unscrew the 4 S1: Disassemble the hinge cover. screws to release the stand. S3:put the dissemble monitor on the desk...
  • Page 68 Turn over the LCD monitor( screen facing down), Turn over the LCD monitor( screen facing up) then dissemble the back from the front bezel. Wedge your finger between the front bezel and the panel, And then pry the front bezel to disengage the locking mechanism.
  • Page 69 S9: Release the LVDS cable from the panel and S7: Release the cable between the main board. Release the aluminum foil on the keypad and the main board. the LVDS. S10: Release the aluminum foil from the panel. S8: Release the CCFL cable from the panel and the power board.
  • Page 70 S12、Dissemble the panel from the S11: Dissemble the chassis from the front bezel. front bezel. disengage the locking mechanism. NOTE: locking mechanism...
  • Page 71 S13、Release the keypad from the s14、 Release the cable。 front bezel. s15、 Use a screwdriver to unscrew the screws to release the main board and power board.
  • Page 72 s16、 Use a screwdriver to unscrew the s16、 release the power board and main board from screws to release the main board. the chassis. s17、 release the speaker cable from the power board.