Established
date
Standard Repair Process Detail Technical Manual
Revised
date
A1
Error
symptom
Content
Check Vx1 lock
A. Video error_No video/Normal audio
A1
Check a voltage of R7624 (Red) after turn on the TV.
If the voltage is low, Vx1 is locked.(OK)
※ Reference: Burnt Detect Measurement Point
Check the voltage of R7632 (Blue) while turning on TV power
Low (0V) : Normal, High (3.3V) : Burnt Detect
R7624: TV On -> Low(0V), Vx1 : OK
R7632
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