Read Harman Kardon BDS 235 Service Manual 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 30pin FFC cable
from FV board to Main
board is connect well
Yes
Reconnect the cable
No
Yes
Replace IR3
Check the IR3 power
supply is OK, IR3 pin3 is
about 3.3V
Check the +3.3V net on FV board
No
Yes
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