LG 32LF550U-ZA - Checking Method When Power Is on

Standard Repair Process Detail Technical Manual
Checking method when power is ON
B. Power error _No power
A13
Established
date
Revised
date
Check “power on(Pin 1)” pin is high(about 3.3V)
12 Pin (Power Board ↔ Main Board)
SMH200-H12S4
1
Power on
2
PDIM#2
3
GND
4
D.13.2V
5
D.13.2V
6
D.13.2V
7
A.13.2V
8
A.13.2V
9
GND
10
GND
11
DRV_ON
12
PDIM#1
Error symptom
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