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Acer A221HQV Acer A221HQV LCD Monitor Service Guide - Page 2

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ACER A211H/A221HQ ACER_LCD_A211H/A221HQ_SM20100512V1 Contents Table of Contents Important Safety Notice 01 01. Product Specification 02 02. OSD Menu 10 03. Exploded Diagram 12 04. Assembly and Disassembly Procedures 14 05. Troubleshooting 21 06. Firmware Upgrade Procedure 58 07. Writing EDID Procedure 60 08. Block Diagram 62 Appendix I : User's Manual Appendix II : User's QSG Appendix III : Spare Parts List Appendix IV: Software Pack Safety Notice Any person attempting to service this chassis must familiarize with the chassis and be aware of the necessary safety precautions to be used when serving electronic equipment containing high voltage.

Section	Page
Cover	1
Contents	2
Important Safety Notice	3
1. Product Specification	4
1.1 Scope	4
1.2 General Requirements	4
1.3 Electrical	4
1.4 Flat Panel	8
1.5 Optical Characteristics	10
1.6 Environmental Requirements	11
1.7 Mechanical Specification	11
1.8 SHIPPING AND PACKING	11
2. OSD Menu	12
2.1 Function Menu	12
2.2 Key Definition	12
2.3 Main OSD Menu	12
2.4 Acer eColor management	13
2.5 Volume management OSD	13
2.6 Acer logo	13
2.7 OSD Message	13
3. Exploded Diagram	14
3.1 Product Exploded Diagram	14
3.2 Packing Exploded Diagram	15
4. Assembly and Disassembly Procedures	16
4.1 Assembly procedures	16
4.2 Disassembly procedures	20
5. Troubleshooting	23
5.1 Troubleshooting for Acer A211H/A221HQ(1A1D1H)	23
5.2 Troubleshooting for Acer A211H/A221HQ(1A1D)	35
5.3 Troubleshooting for Acer A211H/A221HQ(1A)	48
5.4 Power board troubleshooting(1A1D1H/1A1D/1A)	58
6. Firmware Upgrade Process	60
6.1 Hardware Configuration	60
6.2 Realtek F/W Configuration	60
6.3 How to check firmware version	61
7. Writing EDID Process	62
7.1 Writing EDID Procedure	62
7.2 Writing VGA/DVI Process	62
Acer_LCD_A211H/A221HQ_SCHEMATICS AND LAYOUTS	64
8.2 ACER_LCD_A211H/A221HQ_SCHEMATICS_FUNCTION KEY BOARD(1A1D1H/1A1D/1A):	65
8.3 ACER_LCD_A211H/A221HQ_SCHEMATICS_INTERFACE BOARD	66
8.3.1 ACER_LCD_A211H/A221HQ_SCHEMATICS_INTERFACE BOARD_1A1D1H	66
8.3.2 ACER_LCD_A211H/A221HQ_SCHEMATICS_INTERFACE BOARD_1A1D	73
8.3.3 ACER_LCD_A211H/A221HQ_SCHEMATICS_INTERFACE BOARD_1A	79
8.4 ACER_LCD_A211H/A221HQ_LAYOUTS_POWER BOARD(1A1D1H/1A1D/1A/1A1D1H+OD)	84
8.5 ACER_LCD_A211H/A221HQ_LAYOUTS_FUNCTION KEY BOARD(1A1D1H/1A1D/1A)	85
8.6 ACER_LCD_A211H/A221HQ_LAYOUTS_INTERFACE BOARD	86
8.6.1 ACER_LCD_A211H/A221HQ_LAYOUTS_INTERFACE BOARD_1A1D1H	86
8.6.2 ACER_LCD_A211H/A221HQ_LAYOUTS_INTERFACE BOARD_1A1D	87

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