Read Harman Kardon SB 26 Service Manual online
5-6 Trouble shooting Chart
AUX in does not work
AUX in does not
work
Go
No
Check the power supply
Yes
Replace AUX IN 12pin connector
No
Yes
Check the voltage, clock and
data of U11and U6
Replace U7 and U8
No
Yes
Check voltage at U7 and U8 PIN8:9V on
HDMI Board whether normal or not
HDMI Board whether normal or not
Check 12PIN connector whether normal or
not
Check the input signal of U7 U8 on
the HDMI board whether normal
the HDMI board whether normal
or
not
Check the Aux connector
whether normal or
not
Fix the connector
Yes
No
Harman Kardon
SB 26 Service Manual
Page 11 of 44
Click on the first or last page to see other SB 26 service manuals if exist.