LG 42LB650T Service Manual

Contents of LCD TV Standard Repair Process
()
()
No. Error symptom
(
High category
)
Error symptom
(
Mid category
)
Page Remarks
1 No video/Normal audio 1
2 No video/No audio 2
A. Video error
3 Video error, video lag/stop, fail tunning 3, 4
4 Color error 5
Vertical/Horizontal bar residual image light
5
Vertical/Horizontal
bar
,
residual
image
,
light
spot, external device color error
6
6
B. Power error
No power 7
7
Off when on, off while viewin
g
, power auto
8
7
g
on/off
8
8
C. Audio error
No audio/Normal video 9
9 Wrecked audio/discontinuation/noise 10
10
D. Function error
No response in remote controller, key error,
recording error, memory error
11
11 External device recognition error 12
12 E. Noise Circuit noise, mechanical noise 13
13 F. Exterior error Exterior defect 14
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Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

LG 42LB650T Specifications

General

Brand	LG
Model	42LB650T
Category	LED TV
Language	English