No audio
Screen normal
Check user
menu >
Speaker off
Off
N
Y
Cancel OFF
Check audio B+
20V of Power
Board
Normal
voltage
Y
N
Replace Power Board and repair parts
Check
Speaker
disconnection
N
Y
Replace Speaker
Replace MAIN Board
End
C. Audio error
No audio/ Normal video
☞
A20
☞
A21+A18
Disconnection
Established
date
Revised date
8/16
Error
symptom
Standard Repair Process
8
Содержание 75SJ8570
Страница 23: ...TROUBLE SHOOTING GUIDE ...
Страница 52: ...Appendix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 ...
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