Contents of Standard Repair Process Detail Technical Manual
No.
Error symptom
Content
Page
Remarks
1
A. Video error_ No video/Normal
audio
Check LCD back light with naked eye
A1
2
Check White Balance value
A2
3
A. Video error_ video error /Video
lag/stop
TUNER input signal strength checking
method
A3
4
Version checking method
A4
5
Tuner Checking Part
A5
6
A. Video error _Vertical/Horizontal bar,
residual image, light spot
Connection diagram
A6
7
A. Video error_ Color error
Check Link Cable (Vx1/EPI) reconnection
condition
A7
8
Adjustment Test pattern - ADJ Key
A8
9
<Appendix>
Defected Type caused by T-Con/
Inverter/ Module
Exchange Main Board (1)
A-1/5
10
Exchange Main Board (2)
A-2/5
11
Exchange Power Board (PSU)
A-3/5
12
Exchange Module (1)
A-4/5
13
Exchange Module (2)
A-5/5
Continue to the next page
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
Summary of Contents for 43UU340C
Page 57: ......
