ONYX STUDIO 3 (serv.man2) - Harman Kardon Audio Service Manual (repair manual). Page 9

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AUX IN cannot work 
AUX IN can not 
work 
Go 
Instead of new 10pin line 
Check the 
10pin cable (XS1) to main board of 
connect yes or not.?
Replace the old with the new CN board to 
the EUT working.
 
Replace the CN 
board
.
 
No 
Yes 
No
Yes
Check from main board the U10 is 
normal? 
Replace the U10
 
No 
Replace PCBA for main board.
 
Yes 
5-3
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