LG OLED88Z9PTA Service Manual page 46

Standard Repair Process Detail Technical Manual
symptom
Content
When you turn on TV, Voltage check on R7624(Red point)
If Voltage is Low(0V), Vx1 is 'OK'.
Error
error_No
A. Video
Vx1 Lock Checking
Established
video/Normal audio
When you turn TV, Voltage check on R7632 (Blue)
Low (0V) : OK, High (3.3V) : Burnt Detect
A1
date
Revised
date
R7624 : 0[V]
※ Burnt Detect check Point
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A1