LG 43UH67 Series Service Manual page 53

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
1
A. Video error_ No video/Normal
audio
2
4
A. Video error_ video error /Video
lag/stop
5
6
A. Video error _Vertical/Horizontal bar,
7
residual image, light spot
8
A. Video error_ Color error
9
10
11
<Appendix>
12 Defected Type caused by T-Con/
Inverter/ Module
13
14
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Only for training and service purposes
Content
Check LCD back light with naked eye
Check White Balance value
TUNER input signal strength checking
method
Version checking method
Tuner Checking Part
connection diagram
Check Link Cable (EPI) reconnection
condition
Adjustment Test pattern - ADJ Key
Exchange Main Board (1)
Exchange Main Board (2)
Exchange Power Board (PSU)
Exchange Module (1)
Exchange Module (2)
Page Remarks
A1
A2
A3
A4
A5
A6
A7
A8
A-1/5
A-2/5
A-3/5
A-4/5
A-5/5
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