ON SCREEN DISPLAY DOES
NOT APPEAR
Is there signal at pins
AF11, AE10, AF9 and
AD10 of IC2410?
Yes
Is there signal at pins 68,
69, 70 and 71 of IC6601?
Yes
Check IC6601 and
peripheral circuit.
TROUBLESHOOTING GUIDE
No
No
E-6
Check IC2401 and
peripheral circuit.
Check NR6603 and
peripheral circuit.