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Standard Repair Process
Error
symptom
No audio
Normal video
Check
Speaker
connection
Reassemble Speaker and cable
C. Audio error
No audio / Normal video
☞A20
Check user
menu >
off
Speaker off
Y
Cancel off
N
Disconnection
Replace Speaker or cable
Y
Y
Normal
End
N
Replace Speaker or cable
Y
Normal
End
N
Replace Main B/D
☞A21+A18
Check audio
N
13.2V of Power
Board
Replace Power B/D or repair parts
Normal
Replace Main B/D
9
Established
date
Revised date
Y
Normal
voltage
N
Y
End
N
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Only for training and service purposes.
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