Read Harman Kardon BDS 235 Service Manual online
5-1
Trouble shooting Chart
Power on led doesn't work
power on led doesn't work
GO
Switch performance
check
check
OK
Check the cable XP810 is
connect well to Main board
XP15
change switch
NG
Reconnect the cable
NG
Refer to Power supply board part
NG
Check+34V,+12V,VCC_D
voltage on the power and
Main board
OK
OK
Replace the LED610,
LED617---LED619
Check the power on led
control circuit is OK
Replace the FV Board
NG
OK
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