Samsung NK15A Series Service Manual page 18

5 Troubleshooting
5-3 No Picture (TV, Video, S-Video, SCART)
Check the CO44, CO45(S-Video),
CO46(VCR) and CO42(RF-CVBS).
IC011 #1 RF-CVBS
5-1
IC011 #5 S-Video
5-2
5-3 IC011 #8 VCR
Does the signal appear at IC010.
6
Does the signal appear at
7
IC200 and 3.3V_BA.
Does the signal appear at
IC300 and 3.3V_BD.
Check the IC901 and CN901.
NK15A*/NK17A*
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No
Yes
No
Yes
No
Yes
No
Yes
UserManuals.info
Check the CN888(Tuner)
and the CN702_1.
Check the #19 and
related circuit of IC011.
Check the IC010 (#31~34,
37~44, 47~50) Data out
and related circuit of IC010.
Check the IC200 and
related circuit of IC200.
CONFIDENTIAL
5-3