Acer H243H - Bmid Service Manual Download | Manualshive

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Acer

Acer –LCD-H243H

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Service Manual

LCD Monitor Acer H243H

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Summary of Contents for H243H - Bmid

Page 1: ...Acer Acer LCD H243H 0 Service Manual LCD Monitor Acer H243H ...

Page 2: ...2 06 Schematics and Layouts 43 07 Assembly and Disassembly 46 Appendix User s manual Copyright 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: ...plug the power cable immediately and consult your closed dealer z Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the class screen z Do not place heavy objects on the monitor or power cord 2 Product safety notice Many electrical and mechanical parts in this chassis have special safety visual insp...

Page 4: ...YP 3 Input interface Analog D sub 15 pin Digital Option DVI D 24 pin HDMI 19Pin Power management Compatible with VESA DPMS Plug Play VESA DDCCI OSD language English French Spanish Italian Deutsch Simplified Chinese Traditional Chinese Japanese Dutch Finnish Russian depend on sale region Universal AC power supply Note 1 2 3 This item spec depend on the LCD panel 1 2 Accessories AC Power Cord 1 8 m ...

Page 5: ...nd meet the standard of IEC61000 4 2 EN55024 without discharge on VGA DVI pin 2 4 Reliability The MTBF of this product shall be greater than 25 000 hours excluding the LCD panel The LCD panel life which is defined as the time period for the maximum luminance to reduce to 50 of the initial value is 40 000 hours minimum at the condition of displaying an all WHITE field at mid Brightness and Contrast...

Page 6: ...otherwise noted Temperature 25 5 C Test pattern white Video Resolution 1920 x 1080 Video input level 700 mV 2 Warm up time 30 minutes Set brightness control and also contrast control at maximum to measure the screen center the light output shall BL 240 cd m2 as panel spec 3 2 White balance The test standard conditions refer to Sec 3 1 Brightness and contrast are under default value Chromaticity Co...

Page 7: ...1600x900 67 5 75 108 VESA 1280x960 1800x1000 60 60 108 1280x1024 1688x1066 63 981 60 020 108 000 SXGA 1280x1024 1688x1066 79 976 75 025 135 000 VESA 1280x720 1650x750 44 955 59 940 74 176 1280x800 1680x831 49 702 59 810 83 500 WXGA 1360x768 1792x795 47 712 60 015 85 500 1440x900 1904x931 55 935 59 887 106 500 WXGA 1440x900 1936x942 70 635 75 000 136 750 SXGA 1400x1050 1864x1089 65 317 59 978 121 7...

Page 8: ...pecifications 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 Warm up time 30 minutes minimum Checking display modes All the specified modes 5 1Panel general specifications A General specifications Supplier AUO Model name M240HW01 V0 Display Area 531 36 298 89 Pix...

Page 9: ... the volume MENU A When Main OSD un displays press MENU to enter OSD interface B When Main OSD displays press MENU to perform function of menu icon that is highlight or enter next level menu AUTO A When Main OSD un displays press AUTO to perform auto adjustment B When Main OSD displays press AUTO to return to previous level menu C When Empowering Technology OSD displays press AUTO to exit the OSD ...

Page 10: ...rth Control Range Default Value User Text Standard Graphics Acer e color Management empowering Technology Movie Standard User mode 77 Text mode 44 Standard mode 77 Graphics mode 97 Brightness 0 100 Movie mode 77 User mode 50 Text mode 50 Standard mode 50 Graphics mode 60 Contrast 0 100 Movie mode 56 H Position 0 100 50 V Position 0 100 50 Focus 0 100 Clock 0 100 50 1 Warm Cool Red 0 100 80 Green 0...

Page 11: ...k default 50 is for Visa timing Others depend on timing 2 Depend on timing S N 6 SOP of firmware upgrade Manufacturer of Scaler is Mstar 6 1 Operational condition Equipment PC ISP card signal cable and power cable ESD requirements antistatic wrists antistatic gloves fingers and connecting cable Name of ISP program ISP_Tool_v3 7 5 exe Manufacture of FW IC PMC SST MX 6 2 Operational steps 1 Connecti...

Page 12: ... Device next select manufacturer model of FW IC which should be correspondent with that of PCBA FW IC Double click Figure One Secondly download FW software first select READ and then load FW software in Rooter Fig 2 FW IC Model Software Checksum FW software rooter One port of ISP program card is connected to PC print port ...

Page 13: ...LCD H243H 12 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: ...in E2PROM DEVICE SETTING Flowing chart After connecting AC ON DC ON Open ISP program Choose manufacturer and model of FW IC LOAD FW software Click Connect and enter ISP MODE Click AUTO and RUN for beginning programming Turn off power if programming is OK OK OK OK OK OK OK NG Choose Config and adjust programming ...

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Page 40: ...00R SCREW P CROSS W WAS M3 6 Zn Cc 7 6 5 0 5 For NVBD PWRBD HDMI 2 509216608 110R SCREW F CROSS M4 8 B LACK NL ROHS NYLOK 4 12 1 For Hingle toBack cover 3 509412610 500R SCREW B CROSS T T 4 10 BLK ROHS 3 8 5 0 5 For Hingle to Stand Front 4 509000000 700R BOLT 4 40x11 8 Ni 4 4 0 0 25 For D SUB CON DVI 3 2 LCD Exploded drawing All ...

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Page 42: ...ck F801 R808 R806 Change F801 R808 R806 Check the R pin voltage of IC803 about 2 5V Check R832 IC801 Check FB801 D803 C8 07 C810 if short Change FB801 D803 C807 C810 Check pin6 of IC802 voltage is 14V Check pin2 of IC802 voltage above 0 85V Change R815 R 809 R848 R 849 R850 R851 C809 END Check the C pin voltage of IC803 if 3V Change IC803 ...

Page 43: ...Acer Acer LCD H243H 41 4 2 No raster ...

Page 44: ...101 U102 Check C161 R183 Check X101 C156 C157 R191 Inverter Fail U104 fail Black Screen Check Q102 R101 R102 Check power supply For U104 Check reset pin 8 of U104 Check Crystal waveform Pin 25 26 of U104 Check CCFL_Enable Pin 101 of U104 Check Pin 7 of CN104 NG NG NG NG NG OK OK OK OK OK OK NG ...

Page 45: ...cer Acer LCD H243H 43 4 4 Bad Screen Bad Screen Check LVDS cable Change LVDS cable Check Crystal Pin 25 26 of U104 Workmanship LVDS cable NG Check the pins of U104 Change X101 C156 C157 OK OK OK NG NG NG ...

Page 46: ...reen Check LVDS Cable Insert OK Change LVDS Cable Check VLCD is 5V Check Panel Enable of U104 Check Q101 Q104 Q105 R105 R108 Check LVDS cable U104 Fail Workmanship LVDS cable NG Panel NG Q101 Q104 Q105 R105 R108 fail OK OK OK OK NG OK NG NG NG NG NG ...

Page 47: ...8 1P MALE 6FT BLACK 50 1 453010100380R CABLE D SUB 15P MALE 6FT BLACK BLUE ROH 50 1 453030300120R CABLE AUDIO 1P 6FT BLACK GREEN CP03B06P0 50 1 430303002230R HRN LVDS FFC 30P 166 5mm W TASTE 50 1 430300400390R HRN ASS Y 4P 27MM UL1571 28 50 1 430300802060R HRN ASSY 2X4P TO 1X8P 220mm UL1571 28 50 1 714050021200R ASSY BACK COVER LP2441 50 1 714030022100R ASSY BEZEL LP2441 50 1 714011206200R ASSY ST...

Page 48: ...Acer Acer LCD H243H 46 06 Schematics and Layouts 6 1 PI BD Layout ...

Page 49: ...Acer Acer LCD H243H 47 6 2 Switching Mode Power Supply circuit ...

Page 50: ...243H 48 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 ...

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