Sanyo HV-DX3E Service Manual page 9

TROUBLESHOOTING
C. No broadcasting signal received
No broadcasting signal
received
YES
Is the output at IC501 pin# 61(CLK),
60 (DATA) normal?
YES
Is SIF,Video output at TMI(RF101)
pin#16,19 normal?
YES
Is Video Signal input at IC501
pin#50?
YES
Is there Video output at IC501
pin#52?
YES
Check Video Buffer Q670, Q671
NO
Check IC 501.
NO
Check TMI (RF101) Block.
NO
Check IC301.
NO
Check IC501.
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