6-1-2 No Output
Yes
AQ103L,R Base B+ ?
Is Mute selected ?
Headphone Jack short ?
Remove it with Remocon.
Replace Headphone jack
soldering condition.
Main PCB AIC101
(STK4121-Option)
pins 9,11,12,14
B+,B- circuits
Check the B+ power
source part in RD1(PBL403),
RC2,3 and RIC1.
Yes
Confirm for TR short
replace it.
Check if the output line is
short.
No
No
No
No
Yes
Yes
FIC3(NJU3718) pin 27
Check the "H" ?
No
Replace FIC3(NJU3718)
No
6-2
Samsung Electronics
Troubleshooting