Sony CDX-CA900 Service Manual page 17

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Pin No.
89
90
91 to 96
97
98
99, 100
101
102
103
104
105 to 110 A40/AN0 to A45/AN5
111 P46/AN6/DA0
112 P47/AN7/DA1
113
114
115 to 122
123 to 125 MD0 to MD2
126 to 128
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L 13942296513
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Pin Name I/O
VCC — Power supply pin (+5 V)
PF6 OPEN — Not used. (Open)
PF5 to PF0 O Not used. (Open)
UNI SO O SONY bus data signal output
UNI SI I SONY bus data signal input
VSS — Ground pin
UNI SCK I SONY bus clock signal input
NCO O Not used. (Open)
AVCC — Power supply pin for A/D, D/A converter
VREF — 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)
AVSS — Ground pin for A/D, D/A converter
VSS — Ground pin
P17 to P10 O Not used. (Open)
— Mode pin
PG0 to PG2 O Not used. (Open)
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CDX-CA900/CA900X
2 9 9 4 2 8
Pin Description
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9
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