Sony CDX-CA900 Service Manual page 17

Pin No. Pin Name
89 VCC
90 PF6 OPEN
91 to 96 PF5 to PF0
97 UNI SO
98 UNI SI
99, 100 VSS
101 UNI SCK
102 NCO
103 AVCC
104 VREF
105 to 110 A40/AN0 to A45/AN5
111 P46/AN6/DA0
112 P47/AN7/DA1
113 AVSS
114 VSS
115 to 122 P17 to P10
123 to 125 MD0 to MD2
126 to 128 PG0 to PG2
I/O
— Power supply pin (+5 V)
— Not used. (Open)
O Not used. (Open)
O SONY bus data signal output
I SONY bus data signal input
— Ground pin
I SONY bus clock signal input
O Not used. (Open)
— Power supply pin for A/D, D/A converter
— Reference voltage input for A/D, D/A converter
I Not used. (Connect to ground in this set.)
I Not used. (Connect to ground in this set.)
I Spectrum analyzer data signal input from electronic volume (IC301)
— Ground pin for A/D, D/A converter
— Ground pin
O Not used. (Open)
— Mode pin
O Not used. (Open)
CDX-CA900/CA900X
Pin Description
17