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Standard Repair Process Detail Technical Manual
LED driver B+ 24V measuring method
A. Video error_No video/Normal audio
A2
Established
date
Revised
date
Error
symptom
Content
LCD TV
A2
Check the DC 24V and Inverter on
ALEF LED
2011. 12 .14
14 Pin
(Power Board ↔ Driver) PSU
1 ~ 5 24V
6 ~ 10 GND
11 Detect
12 Inverter On/Off
13 Int. PWM
14 Ext. PWM (PDIM)
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