Harman Kardon ONYX STUDIO 4 - HK Connect+ Multi-Speaker System; Wireless Speaker Linking

5-3
AUX IN can not
work
No
Yes
Replace the old with the new CN board to
the EUT working.
Instead of new 10pin line
Check the 10pin cable (XS1) to main board of
connect yes or not.?
Go
No
No
Yes
Replace PCBA for main board.
Check from main board the U8 is
normal?
Replace the U8
AUX IN cannot work
Yes
Replace the CN board.