No Sound - Samsung LW20M22CP Service Manual

4-2-3 No Sound

Does the signal appear at
C883,C880(TV) and
C849, C850(PC) and
C881,C882(Component) Pin 117,
of IC800 (VCTj)?
Yes
Does the signal appear at
R858, R859?
Yes
Does the signal appear
at Pin 2, 5 of Pin 16, 19
IC600?
Yes
Replace the speaker.
Check the TU01 (TV Tuner)
No
Check the CN913 (Video, S-Video)
Check the CN901 (Component)
Check the CN909
No
Check IC800.
No
Check the IC600 (Audio amp)
and related circuit of IC600.
4 Troubleshooting
4-5