Samsung MM-26 - No Output

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