Sanyo HV-DX300A - Page 9

8
TROUBLESHOOTING
No broadcasting signal
received
Is the output at IC501 pin# 61(CLK),
60 (DATA) normal?
Is SIF,Video output at TMI(RF101)
pin#16,19 normal?
Check IC 501.
Check IC301.
Check IC501.
YES
YES
NO
NO
NO
Is Video Signal input at IC501
pin#50?
Is there Video output at IC501
pin#52?
Check TMI (RF101) Block.
NO
Check Video Buffer Q644.
C. No broadcasting signal received
YES
YES
YES