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Troubleshooting
8-2 No Output
Main PCB AIC1
pin no. 9,4,12,8
B+,B- circuits
AQ 7,8 Base B+ ?
Is Mute selected ?
Headphone Jack short ?
8-2
Yes
Yes
Yes
No
Check the B+ power PCB
AD1,2,3,4, AF1,3
No
Confirm for TR short
replace it.
No
Remove it with Remocon.
No
Replace Headphone jack
soldering condition.
Yes
Check if the output line is
short.
Samsung Electronics
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