LG 86UH9500 Service Manual page 117

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
1 A. Video error_ No video/Normal audio
2
A. Video error_ video error /Video lag/stop
3
4
A. Video error _Vertical/Horizontal bar,
5
residual image, light spot
6
A. Video error_ Color error
7
8
9
<Appendix>
10 Defected Type caused by T-Con/ Inverter/
Module
11
12
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Content
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
A2
A3
A4
A5
A6
A7
A8
A-1/5
A-2/5
A-3/5
A-4/5
A-5/5
LGE Internal Use Only