AUX does not work
AUX
work
Go
Check every supply voltage
on main board is normal
Yes
Check the main board U18
AK5367
signal input
Yes
1:check
AK5367 PIN30,VDD+5V
Yes
U18
broken.
Yes
Replace U18 AK5367
does
not
PIN4,PIN5
L/R
the
U18
ak5367
is
5-7
No
Refer to Power supply board part
No
Check
C225,C230,R415,R420,
No
Check the main board U18
POWER SUPPLY CIRCUIT
No
Check the main board u23
(except 12/05 version)
Trouble shooting Chart
the
main
board