E1709W Datasheet PDF - Dell

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E1709W
Dell

Part Number E1709W
Description LCD Monitor Service Manual
Page 30 Pages


E1709W datasheet pdf
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Service Manual
LCD Monitor E1709W
Service Manual
-0-



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1
No.
1
Version
1.0
Service Manual Versions and Revision
Release Date
2008/08/25
Revision
Initial Release
Copyright
Copyright 2007 InnoLux Display. 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 Foxconn Tech. Corp. Ltd.
Dell E1709W Service Manual



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Table of Contents
Service Manual
CHAPTER 1- PRECAUTIONS & SAFETY NOTICES .............................................................................................................................. 3
1. SAFETY PRECAUTIONS ........................................................................................................................................................ 3
2. PRODUCT SAFETY NOTICE .................................................................................................................................................. 3
3. SERVICE NOTES .................................................................................................................................................................... 3
CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED ................................................................................................................. 4
CHAPTER 3- CIRCUIT THEORY.............................................................................................................................................................. 5
1. BLOCK DIAGRAM ....................................................................................................................................................................... 5
2. ELECTRONIC CIRCUIT THEORY ................................................................................................................................................... 7
3. FACTORY PRESET TIMING TABLE..................................................................................................................................... 13
4. POWER ON/OFF SEQUENCY..................................................................................................................................................... 13
5. D-SUB CONNECTOR PIN ASSIGNMENT ..................................................................................................................................... 14
6. AC OUTLET PIN ASSIGNMENT .................................................................................................................................................. 14
7. INNER CONNECTOR PIN ASSIGNMENT........................................................................................................................................ 14
8. KEY PARTS PIN ASSIGNMENTS.................................................................................................................................................. 16
CHAPTER 4- DISASSEMBLY & ASSEMBLY ........................................................................................................................................ 21
1. EXPLODED DIAGRAM ............................................................................................................................................................... 21
2. E1709WFPF DISASSEMBLY BLOCK.......................................................................................................................................... 22
3. ASSEMBLY BLOCK ................................................................................................................................................................... 23
CHAPTER 5- TEST AND ADJUSTMENT............................................................................................................................................... 24
1. FUNCTION KEY DEFINITIONS ..................................................................................................................................................... 24
2. OSD CONTROL....................................................................................................................................................................... 24
3. FACTORY MODE INTRODUCTION................................................................................................................................................ 26
4. BURN-IN PATTERN.................................................................................................................................................................... 27
5. AUTO COLOR BALANCE (AUTOMATICALLY CALIBRATE CHIP ADC PARAMETER BY USING CHIP INTERNAL DAC.)................................... 27
6. UPLOAD FIRMWARE TO MCU VIA VGA CABLE ............................................................................................................................ 26
7. AFTER REPAIR, TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT. .................................................. 27
CHAPTER 6- TROUBLE SHOOTING..................................................................................................................................................... 30
1. COMMON ACKNOWLEDGE......................................................................................................................................................... 30
2. NO POWER LED OFF .............................................................................................................................................................. 30
3. POWER NORMAL LED AMBER................................................................................................................................................... 31
4. BACKLIGHT CANT BE TURNED ON .............................................................................................................................................. 32
5. NO PICTURE BACKLIGHT ON.................................................................................................................................................... 33
6. AT 32-GRAY SCALE PATTERN, COLOR LOST IN SOME SCALE........................................................................................................... 34
CHAPTER 7- RECOMMENDED PART LIST .......................................................................................................................................... 35
ATTACHMENT 1- BILL OF MATERIAL .................................................................................................................................................. 37
ATTACHMENT 2- SCHEMATIC.............................................................................................................................................................. 47
ATTACHMENT 3- PCB LAYOUT ............................................................................................................................................................ 52
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Service Manual
Chapter 1- PRECAUTIONS & SAFETY NOTICES
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.
WARNINGS:
z This monitor should be operated only at the correct power sources indicated on the rating
label on the rear cover of the monitor. If you’re unsure the power supply in your residence,
consult your local dealer or Power Company.
z Use only the specified power cord that comes with this monitor.
z Do not try to repair the monitor by yourself, as it contains no user-serviceable parts. This
monitor should only be repaired by a qualified technician.
z Do not remove the monitor cabinet. There is high-voltage parts inside that may cause
electric shock to human bodies.
z Stop using the monitor if the cabinet is damaged. Have it checked by a service technician.
z Put your monitor only in a lean, cool, dry environment. If it gets wet, unplug 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.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this chassis have special safety visual inspections
and the protection afforded by them cannot necessarily be obtained by using replacement
components rated for higher voltage, wattage, etc. Before replacing any of these components
read the parts list in this manual carefully. The use of substitute replacement parts, which do
not have the same safety characteristics as specified in the parts list, may create shock, fire,
or other hazards.
SERVICE NOTES
z When replacing parts on circuit boards, clamp the solder wires around terminals before
soldering.
z Keep wires away from high voltage, high temperature components and sharp edges.
z Keep wires in their original position so as to reduce interference.
z Adjustment of this product please refers to the user’ manual.
z Use Pb free solder wire for circuit board preparation.
3



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