Samsung LS26A33W Service Manual page 49

5-8 No Sound
Picture is display, no sound.
Yes
Does the signal appear at
Pin 67 (Tuner Sound signal) and
Pin 56, 57 (CH1_L, R Sound) and
15
Pin 53, 54 (CH2_L, R Sound) and
of IC703 (MSP3420G)?
Yes
Check the DC 8V, 9VS, 9V
16
of IC703, IC701?
Yes
Does the signal appear at
17
L701 ~L704 ?
Yes
Replace the speaker ass'y?
(BN96-01015A(L),
BN96-01016A(R))
LS26A33W
Connect a sound cable.
No
(BN39-00148A,BN39-00448A)
control a volume.
No
Check a connection harness and
headphone jack.
Check a IC809, IC606, IC811 and
No
IC810. Change a main PCB ass'y
(BN41-00482C).
Check a IC701.
No
Change a main PCB ass'y
(BN41-00482C).
5 Troubleshooting
5-17