LG 55UF645T Service Manual

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom Content Page Remarks
1
A. Video error_ No video/Normal
audio
Check 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 (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
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LG 55UF645T Specifications

General

Brand	LG
Model	55UF645T
Category	LED TV
Language	English