Sony CDX-MP80 Service Manual page 19

Pin No. Pin Name
64 NC
65 FSW IN
66 – 68 NC
69 FLASH W
70 I2C SDA
71 I2C SCL
72 KEYACK
73 X1A
74 X0A
75 DAVN
76 NC
77 BU IN
78 NC
79 RC IN1
80 AD ON
81 ACC IN
82 FLS PWON
83 P ON
84 TEST IN
85 RAM BU
86 HSTX
87 MD2
88 MD1
89 MD0
90 RSTX
91 VSS
92 X0
93 X1
94 VCC
95 ILL IN
96 MID SW
97 FP OPEN
98 FP CLOSE
99 CLOSE SW
100 OPEN SW
101 MOTOR ON
102 NC
103 NC
104 DEST SEL1
105 DEST SEL2
106 BOOT
107 RE RA
108 RE RB
109 RE LA
110 RE LB
111 – 113 NC
114 TUNER ON
115 – 118 NC
119 VSS
120 NC
I/O
O Not used. (Open)
I Oscillation frequency count input
O Not used. (Open)
I Flash write-in mode detect signal input
O I2C serial data output
O I2C serial clock output
I Key acknowledge signal input
— Crystal oscillator (32.768 kHz)
— Crystal oscillator (32.768 kHz)
I RDS data acquisition detect signal input (AEP, UK model)
O Not used. (Open)
I Back-up power detect signal input
O Not used. (Open)
I Rotary commander input 1
O A/D converter power control signal output
I Accessory key ON signal input
O Flash power ON control signal output
O Audio circuit power ON control signal output
I Test mode initial setting detect signal input
I RAM reset detect signal input
I Hardware standby input
I Connecting to ground in this set.
I Connecting to VCC (+5 V) in this set.
I Connecting to VCC (+5 V) in this set.
I Reset signal input
— Ground pin
— Crystal oscillator (3.68 MHz)
— Crystal oscillator (3.68 MHz)
— Power supply pin (+5 V)
I Illumination dimmer control signal input
O Not used. (Open)
O OPEN/CLOSE motor control signal output
O OPEN/CLOSE motor control signal output
I Close SW detection signal input
I Open SW detection signal input
O Motor power supply ON signal output
O Not used. (Open)
O Not used.
I Destination selector signal input 1
I Destination selector signal input 2
O Display CPU write-in control signal output
I Rotary encoder input (Right/AMS)
I Rotary encoder input (Right/AMS)
I Rotary encoder input (Left/VOL)
I Rotary encoder input (Left/VOL)
O Not used. (Open)
O Tuner ON signal output
O Not used. (Open)
— Ground pin
O Not used. (Open)
Pin Description
CDX-MP80
19