Sony CDX-MP70 Service Manual page 19

Pin No. Pin Name
64 (NCO)
65 FSW IN
66 – 68 (NCO)
69 FLASH W
70 I2C SIO
71 I2C CKO
72 KEYACK
73 X1A
74 X0A
75 DAVN
76 (NCO)
77 BU IN
78 (NCO)
79 RC IN1
80 AD ON
81 ACC IN
82 FLASH P ON
83 POW 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 (NCO)
103 (NCO)
104 DEST SEL1
105 DEST SEL2
106 BOOT
107 RE RA
108 RE RB
109 RE LA
110 RE LB
111 – 113 (NCO)
114 TUN ON
115 – 118 (NCO)
119 VSS
120 (NCO)
I/O
O Not used. (Open)
I Oscillation frequency count input
O Not used. (Open)
I Flash write-in mode detect signal
O I2C serial data output
O I2C serial clock output
I Key acknowledge signal
— Crystal oscillator (32.768 kHz)
— Crystal oscillator (32.768 kHz)
I RDS data acquisition detect signal (AEP, UK model)
O Not used. (Open)
I Back-up power detect signal
O Not used. (Open)
I Rotary commander input 1
O A/D converter power control signal
I Accessory key ON signal
O Flash power ON control signal
O Audio circuit power ON control signal
I Test mode initial setting detect signal
I RAM reset detect signal
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 input
— Ground
— Crystal oscillator (3.68 MHz)
— Crystal oscillator (3.68 MHz)
— Power supply pin (+5 V)
I Illumination dimmer control signal
O Not used. (Open)
O OPEN/CLOSE motor control signal
O OPEN/CLOSE motor control signal
I Close SW detection signal
I Open SW detection signal
O Motor power supply ON signal
O Not used. (Open)
O Not used.
I Destination selector signal 1
I Destination selector signal 2
O Display CPU write-in control signal
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
O Not used. (Open)
— Ground
O Not used. (Open)
Pin Description
CDX-MP70
19