22” TFT LCD COLOR MONITOR
ServiceService
ServiceService
ServiceService
Service Manual
TABLE OF CONTENTS
Description
Important Safety Notice .............................................
Technical Data & Power Management .......................
Connection to PC .......................................................
OSD Menu Control Level Structure ...........................
Advanced OSD Adjustment .......................................
OSD Attention Signal .................................................
Safety and troubleshooting information ....................
Definition of Pixel Defects ..........................................
...........
Wiring Diagram ..........................................................
Mechanical Instructions .............................................
F/W Upload Instructions ............................................
DDC Instructions ........................................................
DDC DATA .................................................................
Block Diagram ...........................................................
Safety Instructions, Warnings and Notes ........
Page
2
3~4
5
6
7
8
9
10~11
12
13~16
17~18
19~21
22~23
24
25
Description
Scaler Board Schematic Diagram ..............................
Power Board Schematic Diagram ..............................
Button Board Schematic Diagram .............................
USB Board Schematic Diagram .............................
Scaler Board Layout Side View .................................
Power Board Layout Side View .................................
Button Board Layout Side View .................................
USB Board Layout Side View .................................
Exploded View ...........................................................
Recommended Parts List ..........................................
Spare Parts List .........................................................
Different Parts List .....................................................
General Trouble Shooting Guide ...............................
General Product Specification ...................................
Safety Check Process ...............................................
Page
26~31
32~33
34
35
36~37
38~39
40
41
42
43~48
49~51
52
53~67
68~81
82
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINE.
Subject to modification
Dec. 6th. 2007
EN :
220CW8FB/00
220CW8FB/69
220CW8FB/93
http://www.wjel.net
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