LG 42LE5500 Service Manual page 78

Standard Repair Process Detail Technical Manual
LCD TV
IOP 42"/47", Edge LED 55"
Edge LED 32/42/47"
Copyright ⓒ 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
A. Video error_No video/Normal audio
symptom
Content LED driver B+ 24V measuring method
IOP 55"
Established
date
Revised
date
Check the DC 20V/24V, 12V, 3.5V and Inverter on
6~10
P205
1~5 24V
6~10 GND
11 PWM Dim #1
12 Inverter ON
* 14
A2
2010. 2 .19
P204
1~5 24V
GND
11 PWM Dim #1
(Edge LED : NC)
12 Inverter ON
13 NC
(Edge LED:PWM Dim#1)
14 Error
: For LE85 GND
A2
LGE Internal Use Only