LG 65SM5D Service Manual

Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A4
Established
date
Revised
date
Error
symptom
Content
A4
Check the 13.2V for Audio
12 Pin (Power Board ↔ Main Board)
SMAW200-H12S5K(BK)
1
PWR On
2
PWM #2
3
GND
4
D 13.2 V
5
D 13.2 V
6
D 13.2 V
7
A 13.2 V
8
A 13.2 V
9
GND
10
GND
11
DRV On
(Inverter –On)
12
PWM #1
Monitor Signage
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LG 65SM5D Specifications

General

Brand	LG
Model	65SM5D
Category	Digital Signage
Language	English