Established
date
Standard Repair Process Detail Technical Manual
Revised
A18
Error
symptom
Content
Check power input voltage and ST BY 3 5V
B. Power error _No power
LCD TV
2014.02.05
date
A18
Content
Check power input voltage and ST-BY 3.5V
Check the DC 24V, 12V, 3.5V.
P main
P_main
Maker : Yeonho
28Pin SMAW200-H28S5K
’14년 적용 28Pin map (LPB)
1 PWR
ON
2 DVR_ON
3
P_DIM #1
4
PDIM #2
5 3.5V
6
GND
7 3.5V
8
3.5V
9 GND
10 GND
11 12V
12 12V
13 12V
14 12V
15 12V
16
GND
17
GND
18
24V
19
24V
20
24V
21
24V
22
24V
21
24V
22
24V
23
GND
24
GND
25
SCLK
26
GND
27
SIN
28
VSYNC
A18
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Summary of Contents for 55UB8500
Page 63: ......