Read Harman Kardon SB 26 Service Manual online
5-3 Trouble shooting Chart
Remote control does not work
Remote control
does not work
Go
No
Replace the battery for remote
control
Yes
Check the +3.3V net on IR Board to
Main Board FB31
No
Yes
Replace IR1
Check battery of remote control whether
exhausted or not.
Check power supply of IR3 on IR Board
whether normal or not
XP4 Pin1 :+3.3V
Harman Kardon
SB 26 Service Manual
Page 8 of 44
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