LG 55UB8500-UA Service Manual page 117

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