Remote control does not work
Go
Yes
No
yes
Remote c ontrol
does not work
NO
Replace th e batter y for remote
controller
Check whether the remote
controller’s batter
y is
exhausted or not.
Check the IR1 power
supply
+3.3V_STBIR
Check the
+3.3
V net no front board
Replace IR1
Yes
Trouble shooting chart
5-2
harman/kardon
BDT 2 / BDT 20 Service Manual
Page 10 of 37