TROUBLESHOOTING FLOW CHART
3.VIDEO CIRCUIT
A.EE MODE N.G.
Is VIDEO signal input
Into pin 2 of RL 902?
YES
Is E9V supplied at
Pin 1 of RL 902?
YES
Is signal output from
pin 8 of RL 902?
YES
Is signal input into pin 18 of IC 001?
YES
Is signal input into pin 37 of IC 301?
YES
Is signal output from
pin 34 of IC 301?
YES
Is signal input into
Base of Q317?
YES
Is signal output from
TJ 396?
YES
Is signal output into
pin 4 of RL 902?
YES
Is signal output from
pin 3 of RL 902?
YES
Is signal output into
pin 8 of P902?
YES
TERMINAL OUT.
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Check terminal.
Check EVRE 9V.
Check pin 3 input signal
of RL902.
Is signal output from pin 3
of IC 002?
Check IC 001.
Check pin 35 Vcc of IC 301.
YES
Check pin 5 EE(L)/PB(H) of IC 301.
Check PATTERN.
Check Q317.
Check PATTERN.
Check RL 902.
Check PATTERN.
NO
NO
NO
Is signal input into pin 1
of IC 002?
Check Power Circuit.
Check pin 44 of IC 601.
34
