TROUBLESHOOTING GUIDE
THE PICTURE APPEARS,
BUT THE AUDIO DOES NOT
APPEARS. (AT RF MODE)
Is CD301 connected?
Is there signal at pins
1 and 4 of CD301?
Is there signal at pins
2 and 4 of IC301?
Is there signal at pins
AA3 and AA4 of IC2801?
Connect CD301.
Change SP301 and SP302.
Change TU5801.
Is there signal at pins 1
and 2 of IC6551?
Is there signal at pin 6
of IC6552, IC6553?
Check IC301 and peripheral
circuit.
Check Connection of CP4301.
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