13
TROUBLESHOOTING
Is +5V supplied at IC301 pin#68?
NO
NO
YES
YES
Is VIDEO SW Pulse input at IC301
pin#57?
Is REC signal output from IC301
pin#66,73?
EP MODE: 73 Pin
SP MODE: 66Pin
Check video HEAD and Connector.
Is signal input into IC301
pin# 28,30,32?
Check POWER circuit.
Check IC601 pin#18.
Record video signal poor.
Check EE MODE.
YES
Is luminance and color signal
output from IC301 pin#46, 22?
Replace IC301.
NO
NO
YES
C. No recording