LG 32SE3B-BE Service Manual page 66

Standard Repair Process Detail Technical Manual
symptom
Signage Monitor
Content
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Only for training and service purposes
Error
B. Power error _No power
Check power input voltage and ST-BY 3.5V
11
Check the Main Power Voltage (4,5,6 Pin)
Power On (DC On) Status : 13.2 V
STBY Status : 8.8 V
12 Pin (Power Board ↔ Main Board)
SMAW200-H12S5K(BK)
1 PWR On
3 GND
5 D 13.2 V
7
A 13.2 V
9 GND
DRV On
(Inverter –On)
A18
Established
2014. 06 .10
date
Revised
date
(32/43) N.C
2
(49/55) PWM #2
4 D 13.2 V
6 D 13.2 V
8
A 13.2 V
10 GND
12 PWM #1
A18
LGE Internal Use Only