TROUBLESHOOTING FLOW CHART
B. REC SIGNAL N.G.
Check EE mode.
Is | NO | ||
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From pin 40 of IC 301? |
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| YES |
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Is signal input into pin 37 of IC 301?
YES
NO
Check method A.
Is
YES
Is
YES
INPUT VIDEO HEAD.
NO
NO
Check Q402, Q403,
Q404, Q405.
Is 5V supplied at pin 28 of IC 301?
YES
Is color signal output from pin 15 of IC 301?
YES
Check Q402, Q420.
NO
NO
Check Power Circuit.
Change IC 301.
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