Samsung HT-C5500 Service Manual page 48

Troubleshooting
4-1-9 No Logo (Composite)
C. No Logo (Composite)
accords with cable connection and
Video output from C25?
Video output from IC301 (R43)?
Component Cable Error.
4-18
Video selection
TV mode?
Yes
1
 Refer to wave pattern
Yes
image of Fig. 4-10.
2
 Refer to wave pattern
Yes
image of Fig. 4-11.
No
Check the Video select, cable
connection, TV mode.
No
IC1 soldering error.
Change MAIN PCB.
No
Check peripheral IC301's power,
soldering and devices.
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