Samsung LE26A41B, Service Manual

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5 Troubleshooting
LE26A41B/LE32A41B 5-15
Does the signal appear at
Pin 67 (Tuner Sound signal) and
Pin 56, 57 (CH1_L, R Sound)
and
Pin 53, 54 (CH2_L, R Sound)
of IC703 (MSP3410G)?
Check a connection harness and
headphone jack.
Yes
Yes
No
Check the DC 8V, 9VS, 9V
of IC703, IC701?
Check a IC809, IC606, IC811 and
IC810. Change a main PCB ass'y
(BN94-00549A).
Yes
No
Does the signal appear at
L701 ~L704 ?
Check a IC701.
Change a main PCB ass'y
(BN94-00549A).
Yes
Replace the speaker ass'y?
(BN96-01015A(L), BN96-
01016(R))
No
5-7 No Sound
13
14
15
Connect a sound cable.
(BN39-00148A,BN39-00448A)
control a volume.
Picture is display, no sound.
No