LG 60LB6500 Service Manual page 105

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
Direct LED
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
A. Video error_No video/ Audio
Power Board voltage measuring method g g
Check the DC 24V, 12V, 3.5V. Check the DC 24V 12V 3 5V
24 Pin (Power Board ↔ Main Board) -
1 Power on
3 3.5V
5 3.5V
7 7 GND GND
9 24V
11 GND
13 12V
15 12V
17 GND
19 GND
21 GND
23 L/DIM0_MOSI
Established
2013. 11 .30
date
Revised
date date
Common
SMAW200-H24S5
2 INV_ON
4 PDIM #1
6
8 8 PDIM #2 PDIM #2
10
12
14
16
18
20
22 L/DIM0_VS
24 L/DIM0_SCLK
A5
3.5V
24V
GND
12V
24V
GND
GND
LGE Internal Use Only