TROUBLESHOOTING GUIDE
E-3
THE PICTURE DOES
NOT APPEAR. (2)
YES
NO
CHECK C832, C859, C883 AND
PERIPHERAL CIRCUIT.
NO
YES
NO
YES
IS CD4203 CONNECTED?
CHANGE IC4201.
CONNECT CD4203.
CHANGE CD4203.
IS THERE SIGNAL AT
PINS 31, 33 AND 35
OF IC4201?
YES
NO
CHECK IC801 AND
PERIPHERAL CIRCUIT.
IS THERE SIGNAL AT
C832, C859 AND C883?
IS THERE SIGNAL AT
PINS 1 AND 3 OF
CP801?