LG 65UB930T Service Manual

Contents of LCD TV Standard Repair Process Detail Technical Manual
No. Error symptom Content Page Remarks
1
A Video error No video/Normal
Check LCD back light with naked eye A1
A
.
Video
error
_
No
video/Normal
audio
2 Check White Balance value A2
4
A Video error video error /Video
TUNER input signal strength checking
method
A3
A
.
Video
error
_
video
error
/Video
lag/stop
5 LCD-TV Version checking method A4
6 Tuner Checking Part A5
7
A. Video error Vertical/Horizontal bar,
LCD TV ti di
A6
7
A.
Video
error
_
Vertical/Horizontal
bar,
residual image, light spot
LCD
TV
connec
ti
on
di
agram
A6
8
A. Video error_ Color error
Check Link Cable (EPI) reconnection
condition
A7
9
Adj
AJ
K
A8
9
Adj
ustment Test pattern -
A
D
J
K
ey
A8
10
<
Appendix
>
Exchange Main Board (1) A-1/5
11 Exchange Main Board (2) A-2/5
Appendix
Defected Type caused by T-Con/
Inverter/ Module
12 Exchange Power Board (PSU) A-3/5
13 Exchange Module (1) A-4/5
14
Exchange Module (2)
A
-
5/5
14
Exchange
Module
(2)
A
5/5
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LG 65UB930T Specifications

General

Brand	LG
Model	65UB930T
Category	LED TV
Language	English