Samsung NK15S series, Руководство по обслуживанию

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5 Troubleshooting
LS15N13W/LS17N13W 5-5
CONFIDENTIAL
Does the signal appear at
Pin 67 (Tuner sound signal) and Pin
47, 48 (PC sound) and Pin 56, 57
(DTV sound) and Pin 53, 54 (DVD
sound) Pin 50, 51 (VCR) of
IC 919 (MSP3451)?
Check the CN403 (PC conector) and the
CN407, CN408, CN412, 413 and the
CN200 (CN002) and the CN888 (Tuner)
and the CN702_1.
Yes
No
Does the signal appear at Pin 27,
28 of IC919 (MSP3451)?
Check the IC919 and
related circuit of IC919.
Yes
No
Does the signal appear
at L501 ~L504?
Check the IC501 (Audio amp) and
related circuit of IC501.
Yes
No
Replace the speaker.
5-4 No Sound