Harman Kardon BDS 5 Service Manual ▷ View online
5-3 Trouble shooting Chart
Remote control does not work
Remote control
does not work
Go
Check whether the remote
controller’s battery is
exhausted or not.
No
Replace the battery for remote
controller
Check the 2pin FFC cable
from AM to BD board is
connect wenll
Yes
Reconnect the cable
No
Yes
Replace IR1
Check the IR601 power
supply is OK, IR1’3 is about
3.3V
Check the +3.3V net on front board
No
Yes
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 13 of 66
5-4 Trouble shooting Chart
Can’t read disc or can’t eject
Yes
Check the connection 4pin cable from the
BD board
Can’t read disc or can’t
eject
Check 45pin and 8pin
cable from BD board
connection to the loader is
normal
connection to the loader is
normal
Replace the loader
NO
GO
Check whether the
DVD loader running is
normal
Fix the connection the 45pin cable
NO
Yes
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 14 of 66
5-5 Trouble shooting Chart
5.1/2.1 channel no audio output
Reconnect well
check the system weather is
ear mode or not, pull out the
4pin cable XS601 from FB to
AM board XP806
Replace the FB board
Yes
No
Go
Check the 10pin/4pin cable is
connect well from AM to JC
board
5.1/2.1 channel no audio
output
Yes
Replace the AM board
No
Check +32V at XP702 on
AM board is OK
Yes
Refer to Power supply board
Check XP701 is short
to GND
to GND
No
Replace the AM board
Yes
No
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 15 of 66
5-6 Trouble shooting Chart
BD/DVD/CD no audio output
BD/DVD/CD no audio
output
output
Go
Check the 22pin cable
from BD to AM board is
connect well
from BD to AM board is
connect well
Yes
Reconnect well
No
Next actiong as the problem
5.1/2.1
channel no audio output
Check HDMI audio is ok
Yes
Turn to ON
No
Check the software
setup HDMI audio
ooutput is ON or OFF
ooutput is ON or OFF
Harman Kardon
BDS 2 / BDS 5 Service Manual
Page 16 of 66
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