Aiwa XP-V311 Service Manual page 16

Pin No. Pin Name
73 VDD5V
74 VSS
75 CONT6
76 CONT7
77 V/*P
78 FSEQ
79 DEFECT
80 EFMO
I/O
Microprocessor interface power supply. (2000pF or more path controller to be inserted
—
at a point nearer to the pin between this pin and GND)
— Digital ground pin. Must be connected to 0V.
I/O General-purpose input/output pin 6.
I/O General-pirpose input/output pin 7.
Rough servo/phase control automatic switching monitor output pin. "H" for rough
O
servo and "L" for phase servo.
Synchronization signal detection output pin. Outputs a high level when the
O synchronization signal detected from the EFM signal and the internally generated
synchronization signal agree.
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.
O EFM signal output pin.
18
Description