Check Power Input Voltage And St-By 3.5V - LG 65UH8500 Service Manual

Standard Repair Process Detail Technical Manual
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Only for training and service purposes
Error
B. Power error _No power
symptom

Check power input voltage and ST-BY 3.5V

Content
Check the DC 24V, 12V
Established
date
Revised
date
28Pin map (LPB)
1 24V 2
3 24V 4
5 GND 6
7 12V 8
9 GND 10
11 GND 12
13 PWR-On 14
15 GND 16
17 12V 18
19 24V 20
21 GND 22
23 DRV-ON 24
25 GND 26
27 VSINC 28
A18
A18
24V
24V
GND
12V
GND
GND
P-DIM2
12V
12V
24V
GND
P-DIM1
SCLK
SIN
LGE Internal Use Only