LG 55UH950V - Contents of Standard Repair Process Detail Technical Manual

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
4
A. Video error_ video error /Video
lag/stop
TUNER input signal strength checking method A3
5 Version checking method A4
6 Tuner Checking Part A5
7
A. Video error _Vertical/Horizontal bar,
residual image, light spot
connection diagram A6
8
A. Video error_ Color error
Check Link Cable (EPI) reconnection
condition
A7
9 Adjustment Test pattern - ADJ Key A8
10
<Appendix>
Defected Type caused by T-Con/
Inverter/ Module
Exchange Main Board (1) A-1/5
11 Exchange Main Board (2) A-2/5
12 Exchange Power Board (PSU) A-3/5
13 Exchange Module (1) A-4/5
14 Exchange Module (2) A-5/5
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