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TROUBLESHOOTING GUIDE
THE PICTURE APPEARS,
BUT THE AUDIO DOES NOT
APPEARS. (AT RF MODE)
Is CP302 connected?
Is there signal at
pins 1 and 4 of
Is there signal at pins 2
and 5 of IC302?
Is there signal at pins
AA3 and AA4 of
IC2801?
Connect CP302.
Change SP301 and SP302.
Change TU5801.
Is there signal at pins 1
and 2 of IC6551?
Is there signal at pin
3 of IC6552, IC6553?
Check IC302 and peripheral
circuit.
Check Connection of CP4302.
Check IC6551 and
peripheral circuit.
Check IC6552, IC6553 and
peripheral circuit.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Is there signal at pin
5 of TU5801?
Check IC5801 and peripheral
circuit.
Yes
No
E-2