Samsung MAX-610 Service Manual page 18

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