Samsung DVD-N501, Руководство по обслуживанию

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Troubleshooting
Samsung Electronics
3-7
Analog signals
are inputed normally at pin 2, 4, 6,
9, 11, 13 in VIC1(J)?
Power is normal
at pin 1, 28 in VIC1(J)?
Check the connection between
VIC1(M) and VIC1(J).
Check the connection between
VIC1(J) and Emmiter of PQL58.
Yes
No
No
Pin 7, 8 in VIC1(J) is in
Low state?
Yes
No
Video signals of
about 2V appear at pin 16, 18, 20,
23, 25, 27 in VIC1(J)?
Yes
No
Video signals of
about 1V appear at
output jacks?
Check the soldering of
VIC1(J).
Yes
Connect to high.
Check the connection between
VIC1(J) and output jacks.
Check the RCA cable.
Yes
C
Change VIC1(J).
No No
VIC1(M) ; SAA7128
VIC1(J) ; MM1540