Samsung LW17N23W Service Manual page 31

5-4 No Sound
Does the signal appear at
C749/C750 (PC), C751/C752 (AV),
4-1
C753/C754 (comp2),
C755/C766 (comp1)?
Yes
Does the signal appear at
C701/C704 (Sound_R),
4-2
C724/C725 (Sound_L)?
Yes
Replace R/L speaker with new one.
WAVEFORMS
4-1
LW17N23W
No
Change IC703 or replace main
board with new one.
No
Change IC701 or
replace cable with new one.
4-2
5 Troubleshooting
5-9