Samsung 730MP Service Manual page 26

5 Troubleshooting
5-8 No Sound(VIDEO,S-VIDEO,SCART)
Does a signal appear at R726,
R727(VIDEO/S-VIDEO) or
R722, R723(SCART)?
Yes
Does a signal appear at
R759, R760?
Yes
Does a signal appear at
11
R511, R516?
Yes
Does a signal appear at
12
L500, L501, L503, L504?
(SL/SROUT)
Yes
Check the Speaker L/R.
5-8
No
Check related CN707, CN705
or AV DEVICE.
No
Check related circuit
IC700(TEA6422).
No
Check related circuit
IC701.(VCTI)
No
Check related circuit
IC501.(TPA3002)
WAVEFORMS
11
12
730MP