4.Troubleshooting
■NoSound
Symptom•Videoisnormalbutthereisnosound.
MajorChecklist
•Whenthespeakerconnectorsaredisconnectedordamaged.
•WhenthesoundprocessingpartoftheMainBoardisnotfunctioning.
•Speakerdefect.
•SMPSnotsupplyingvoltagetothemainboard.
Diagnostics
Ye s
Ye s
Ye s
Re place the S pe a ker.
Re place the S MP S .
Is th e output volta ge of S MP S norma l?
(CN801 P IN 7 : 15V)
Re place the Main boa rd.
(1)
Is the s pe ake r output te rmina l of
the Main boa rd norma l?
Conne ct the cable prope rly or
replace the ca ble, if nece s sary.
Is the cable conne ction be tween
Main boa rd and the s pe a ker
properly connecte d?
No
No
No
To Next Page
Loading...
