Sony CDX-M630 Service Manual page 26

CDX-M630
Pin No. Pin Name
86 EXTAL
87 VSS
88 PF7
89 VCC
90 to 96 NCO
97 UNI SO
98 UNI SI
99 VSS
100 VSS
101 UNI SCK
102 P53
103 AVCC
104 VREF
105 to 111 NIL
112 SA IN
113 AVSS
114 VSS
115 to 122 NCO
123 MD0 (H)
124 MD1 (H)
125 MD2 (H)
126 to 128 NCO
26
I/O
— Crystal oscillator (18.43 MHz)
— Ground pin
O Not used. (Open)
— Power supply pin (+5 V)
O Not used. (Open)
O Bus data signal output to bus interface (IC802)
I Bus data signal input from bus interface (IC802)
— Ground pin
— Ground pin
I Bus clock signal input from system control (IC801)
O Not used. (Open)
— Power supply pin (+5 V)
— Reference voltage (+5 V)
I Connect to ground in this set.
I SA data signal input from electronic volume (IC305)
— Ground pin
— Ground pin
O Not used. (Open)
— Mode pin
— Mode pin
— Mode pin
O Not used. (Open)
Pin Description