Table of Contents
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Standard Repair Process
Error
symptom
☞A20
Check user
No audio
menu >
Screen normal
Speaker off
C. Audio error
No audio/ Normal video
☞A21+A18
Check Main B+
N
Off
13V of Power
Board
Y
Cancel OFF
Replace Power Board and repair parts
Check
Disconnection
Speaker
disconnection
Y
Replace Speaker
8
Established
date
Revised date
Y
Normal
voltage
N
N
Replace MAIN Board
End
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