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Acer X193 X183H / X193HQ Service Guide - Page 1

Acer X193 Manual

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ACER DBG DPBU II Service ACER_LCD_X193HQ_SM080904V1 Model ID:RA19WAANU Service Manual Table of Contents Important Safety Notice 01 01. Product Specification 02 02. OSD Menu 08 03. Exploded Diagram 10 04. Assembly and Disassembly Procedures 12 05. Troubleshooting 19 06. Firmware Upgrade Procedure 31 07. Writing EDID Procedure 33 08. Block Diagram 35 Appendix I : User's Manual Appendix II : Spare Parts List Appendix III: Software Pack Safety Notice Any person attempting to service this chassis must familarize with the chassis and be aware of the necessary safety precautions to be used when serving electronic equipment containing high voltage. Published by Wistron Corporation Printed in Taiwan © All rights reserved Subject to modification 04th-Sept.-2008

Section	Page
Cover	1
Important Safety Notice	2
1. Product Specification	2
1.1 SCOPE	2
1.2 GENERAL REQUIREMENTS	3
1.3 ELECTRICAL	3
1.4 PANEL ELECTRICAL	7
1.5 Optical Characteristics	8
2 OSD Menu	9
2.1 MAIN OSD MENU	9
3. Exploded Diagram	11
3.1 Packing Exploded Diagram	11
3.2 Product Exploded Diagram	11
4. Assembly and Disassembly Procedures	12
4.1 Assembly procedures:	12
4.2 Disassembly procedures	16
5. Troubleshooting	20
5.1 No display on the screen (Screen is black and colour of LED is amber.)	20
5.2 Nothing displays on the screen (Screen is black and colour of LED is blue.)	21
5.3 Checking the back light unit	22
5.4 Abnormal screen for VGA	23
5.5 Abnormal screen (For the DVI)	25
5.6 Abnormal OSM display adjust problem	25
5.7 Abnormal plug and play operation for VGA	27
5.8 Abnormal plug and play operation (For the DVI)	28
5.9 Checking the interface circuit of sync signal	29
5.10 Checking the resolution change IC movement	30
5.11 Checking the DC/DC converter circuit	31
6. Firmware Upgrade Process	32
6.1 Hardware Configuration	32
6.2 Realtek F/W Configuration:	32
7. Writing EDID Process	34

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