No Output - Samsung MM-26 Service Manual

Troubleshooting

6-1-2 No Output

Main PCB AIC1(LM1876TF)
pin no. 4,2,15
B+,B- circuits
AQ1L/1R Base B+ ?
Is Mute selected ?
Headphone Jack short ?
6-2
Yes
Yes
No
No
Check the B+ power
source part in RD2(PBL403),
RC3 and RC14.
No
Yes
Remove it with Remocon
Yes
Replace Headphone jack
soldering condition
Confirm for TR short
replace it.
Samsung Electronics