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Gnd - LG 49UJ634 Series Service Manual

Chassis ub74p

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Standard Repair Process Detail Technical Manual
symptom
Content
Error
B. Power error _No power
Check power input voltage and ST-BY 3.5V
Established
date
Revised
date
Backlight
Forward
Symbol
Min
Voltage
65UJ63
-
60UJ63
-
55UJ63
126.1 132.6 143.2
49UJ63
-
43UJ63
-
Check the DC 13.2V line for ST-BY Voltage
1
DRV_ON
3

GND

5
A13V
7
13V
9
GND
11
PWR_ON
A18
Copyright © 2017 - 2018 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Values
Unit
Typ
Max
192
216
175
195
113.4 122.4
65.94
71.4
2
P-DIM
4
GND
6
A13V
8
13V
10
13V
12
P-DIM2
A18

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