ⓒ LG Electronics. Inc.2011
Standard Repair Process Detail Technical Manual
LED driver B+ 19V measuring method
A. Video error_No video/Normal audio
A2
Established
date
Revised
date
Error
symptom
Content
LCD TV
A2
P901
1 19V
2 19V
3 GND
4 PWM-DIM
5 ERROR_OUT
6 WLED_ENABLE
2011.01.20
Edge LED : LED Driver + main PCBA
Check the DC 19V and Inverter on