Read Harman Kardon BDS 280S Service Manual online
5-6 Trouble shooting Chart
BD/DVD/CD no audio output
BD/DVD/CD no audio
output
output
Go
Check the audio of
COAXIAL mode is OK
COAXIAL mode is OK
Yes
No
Next acting as the problem
5.1/2.1
channel no audio output
Check HDMI audio is ok
Yes
Replace the Main Board
No
Replace the Main Board
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