Aiwa 6ZG-1 Service Manual page 19

Pin No. Pin Name
78 FSEQ
79 DEFECT
80 EFMO
I/O
Synchronization signal detection output pin.
O Outputs a high level when the synchronization signal detected from the EFM signal
and the internally generated synchronization signal agree. (Not connected)
Defect pin. Which becomes an input pin after reset and can be controlled externally.
I/O
This becomes the defect monitor pin under control by command. (Not connected)
O EFM signal output pin. (Not connected)
23
Description