Read LG 55EA9800-CA (CHASSIS:EC34D) Service Manual online
Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A18
Error
symptom
Content
Check power input voltage and ST-BY 3.5V
B. Power error _No power
LCD TV
A18
Check the DC 24V, 12V, 3.5V.
18 Pin
(Power Board ↔ Main Board)
1
Power on
2
DRV ON
3
3.5V
4
20V
5
3.5V
6
N.C
7
GND
8
GND
9
24V
10
24V
11
GND
12
GND
13
12V
14
12V
15
12V
16
24V
17
GND
18
GND
2013.01.31
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