Daewoo DW-Q73D2N-LS - Page 46

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TROUBLESHOOTING
No broadcasting signal
received
Is the output at IC601 pin# 71(CLK),
72 (DATA) normal?
Is SIF,Video output at TMI(RF101)
pin#13,16 normal?
Check IC 601.
Check IC103.
Check IC104
YES
YES
NO
NO
NO
Is SIF signal at pin #5 of IC103?
Is C-SYNC signal at pin #58 of
IC 601?
Check TMI (RF101) Block.
NO
Check Video Buffer Q102
B. No broadcasting signal received
YES
YES
YES