LG 32SE3B-BE Service Manual page 67

Standard Repair Process Detail Technical Manual
symptom
Signage Monitor
Content
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
B. Power error _No power
Checking method when power is ON
11
Check "power on(Pin 1)" pin is high
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)
A19
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
A19
LGE Internal Use Only