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Acer H243 Service Manual
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Acer H243 Service Manual

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Acer
Acer –LCD-H243H

Service Manual

LCD Monitor Acer H243H
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Summary of Contents for Acer H243

  • Page 1: Service Manual

    Acer Acer –LCD-H243H Service Manual LCD Monitor Acer H243H - 0 -...

  • 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 H243H Service Manual...

  • Page 3: Important Safety Notice

    When replacing parts or circuit boards, clamp the lead wires around terminals before soldering. Keep wires away from high voltage, high temperature components and sharp edges. Keep wires in their original position so as to reduce interference. Adjustment of this product please refers to the user’ manual. Acer –LCD-H243H...

  • Page 4: Product Specification

    Digital Option (DVI-D 24 pin & HDMI 19Pin) : Compatible with VESA DPMS : VESA DDCCI : English, French, Spanish, Italian, Deutsch, Simplified Chinese, Traditional Chinese, Japanese (Dutch, Finnish, Russian depend on sale region) panel. : 0°C to 50°C : 5% to 90% Acer –LCD-H243H...

  • Page 5: Electrostatic Discharge Requirements

    60A max at cold-start, 25°C, DC output full-loading and 240Vac input Regulator Efficiency : -20°C to 60°C : 5% to 90% 10000 ft (Ta=50, t=24h) 30000 ft (Ta=30, t=24h ) MET, CB, Bauart, CCC, FCC, CE, VCCI-B MPRII ISO13406-2 Windows 95/98/Me/2000, Windows XP, Window Vista Energy Star Acer –LCD-H243H...

  • Page 6: White Balance

    : 1920 x 1080 : 700 mV ± 2% : 30 minutes Chromaticity Coordinate 0.283 ± 0.030 0.313 ± 0.030 Panel While x (backlight ≥ 75 (backlight L/10 W/10 Acer –LCD-H243H 0.297 ± 0.030 0.329 ± 0.030 Panel While y...
  • Page 7 1864x1089 65.317 2240*1089 65.290 2160x1250 75.000 2080x1111 66.587 IBM MODES 900x449 31.469 MAC MODES 864x525 1152x667 49.722 1568x909 68.700 Acer –LCD-H243H Pixel Clock V Frequency (MHz) 59.941 25.175 72.809 31.500 75.000 31.500 56.250 36.000 60.317 40.000 72.188 50.000 75.000 49.500 60.004...

  • Page 8: Function Specifications

    General specifications Supplier Model name Display Area Pixel Pitch Display Colors: : 25 ± 5°C : 30 minutes minimum : All the specified modes M240HW01-V0 531.36 × 298.89 276.75(Per one triad) × 276.75 16.7M colors (RGB 6-bit + Hi_FRC) Acer –LCD-H243H...
  • Page 9 Color AUTO MENU 1920 × 1080 R.G.B. Vertical Stripe 300 cd/m (TYP.) 1000 (TYP.) 170(Horizontal) / 160(Vertical) Normally White 5ms (TYP. ON/OFF) / 2ms (Gray to Gray) Anti-Glare, 3H 556.0(W) ×323.2(H) ×16.65(D) (TYP.) ◄ ► POWER Acer –LCD-H243H DESCRIPTION...
  • Page 10 The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote control unit. The unit shall leave the factory with all OSD controls set to their default values. First Second Acer e color Management Brightness Picture Contrast H.
  • Page 11 1. Connection: connect PC to PCBA with signal cable, and then keep AC and DC in open state HDMI EMEA NO-EMEA English English Russian 繁體中文 Deutsch Deutsch Français Français Español Español Italiano Italiano Dutch 简体中文 Finnish 日本語 Manufacturer of Scaler is Mstar) Acer –LCD-H243H English...
  • Page 12 FW IC, which should be correspondent with that of PCBA FW IC. Double click Figure One. FW IC Model Secondly ﹐ download FW software: first select “READ”, and then load FW software in Rooter (Fig.2). Software Checksum One port of ISP program card is connected to PC print port. Acer –LCD-H243H FW software rooter...
  • Page 13 Acer Acer –LCD-H243H Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3. Fourthly, select “AUTO”, and keep its default value. Click “RUN” for beginning programming. There will be prompting if programming is OK.
  • Page 14 Acer Acer –LCD-H243H Note: if programming fails or success rate is not high, click “Config” and adjust its speed in “E2PROM DEVICE SETTING” After connecting, AC ON, DC ON ◆Flowing chart Open ISP program Choose manufacturer and model of FW IC...

  • Page 15: Flat Panel Specification

    Acer Acer –LCD-H243H 2. Flat Panel Specification...
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  • Page 40: Exploded Diagram

    3.2. LCD Exploded drawing (All) 03 Exploded Diagram Description SCREW,P,CROSS,W/WAS ,M3*6,Zn-Cc SCREW,F,CROSS,M4*8,B LACK,NL,ROHS(NYLOK SCREW B CROSS T T-4*10 BLK ROHS BOLT,#4-40x11.8,Ni Acer –LCD-H243H Fixed Remark T(kg*cm) 6.5±0.5 NVBD/PWRBD/HDMI 12±1 For Hingle toBack cover 8.5±0.5 For Hingle to Stand Front 4.0±0.25...

  • Page 42: Troubleshooting

    4.1 No Power & LED Off Check F801, R808,R806 Check the C pin voltage of IC803 if 3V Check R832,IC801 Check FB801,D803,C8 07,C810 Change FB801,D803,C807, C810 Change R815, R 809, R848, R 849, R850,R851 Acer –LCD-H243H Change F801, R808,R806 Change IC803 if short ,C809,...
  • Page 43 Acer Acer –LCD-H243H No raster...
  • Page 44 8 of U104 Check Crystal waveform Pin 25,26 of U104 Check CCFL_Enable Pin 101 of U104 U104 fail Black screen Check Pin 7 of CN104 Acer –LCD-H243H POWER Fail Check U101, U102 Check C161, R183 Check X101, C156, C157,R191 Inverter Fail...

  • Page 45: Bad Screen

    Acer Bad Screen Check LVDS cable Change LVDS cable Check Crystal: Pin 25,26 of U104 Change X101, C156, C157 Bad Screen Acer –LCD-H243H Workmanship LVDS cable NG Check the pins of U104...

  • Page 46: White Screen

    Change LVDS Cable Check VLCD is +5V? Check Panel Enable of U104 Check Q101, Q104, Q105, R105, R108 Q101, Q104, Q105, R105, R108 fail 4.5 White screen Check LVDS cable U104 Fail Acer –LCD-H243H Workmanship LVDS cable NG Panel NG...

  • Page 47: Spare Parts List

    430300802060R HRN ASSY, 2X4P TO 1X8P ,220mm,UL1571#28 714050021200R ASSY BACK COVER,LP2441 714030022100R ASSY BEZEL ,LP2441 714011206200R ASSY STAND ,LP2441 714020018200R ASSY BASE,LP2441 501020228602R COVER,BACK,LP2441 502060201100R HINGE,LP2441 501260210800R STAND, LP2441 502090103100R CHASSIS,W /HDMI, W/DVI,LP2441 631102240130R LCP 24" M240HW01-V0-00(A)(AUO)ROHS 05 Spare parts List Acer –LCD-H243H 82424171A120R...

  • Page 48: Schematics And Layouts

    Acer Acer –LCD-H243H 06 Schematics and Layouts 6.1 PI BD Layout...
  • Page 49 Acer Acer –LCD-H243H 6.2 Switching Mode Power Supply circuit...

  • Page 50: Assembly And Disassembly

    Acer Acer –LCD-H243H 7.0 Assembly and Disassembly The tool of Assembly and disassembly : 1) Electrostatic gloves 2) Electric screwdriver: the lengthe of screwdriver top is 6±0.5cm and 15±0.5cm ; the diameter of screwdriver top is Φ5*H5mm...

  • Page 51: Assembly And Disassembly

    Acer Acer –LCD-H243H Assembly and Disassembly (continue)
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H243h

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