Sony UP-D70XR Service Manual page 64

Terminal Signal line name
41 nHED_ACTV0
42 nRTS
43 B0
44 B1
45 PWM0
46 PWM
47 Vcc
48 A15
49 A14
50 A13
51 A12
52 A11
53 A10
54 A9
55 A8
56 Vss
57 A7
58 A6
59 A5
60 A4
61 A3
62 A2
63 A1
64 A0
65 D0
66 D1
67 D2
68 D3
69 D4
70 D5
71 D6
72 D7
73 Vss
74 DI
75 CLK
76 LD
77 DO
78 SDA
79 SCL
80 DCK
4-14
I/O Function
O Head active
O Receiving possible (Low active)
O Bank switch of flash memory
O Bank switch of flash memory
O Take-up motor PWM
O Supply motor PWM
Power supply
O Address
O Address
O Address
O Address
O Address
O Address
O Address
O Address
GND
O Address
O Address
O Address
O Address
O Address
O Address
O Address
O Address
I/O Data
I/O Data
I/O Data
I/O Data
I/O Data
I/O Data
I/O Data
I/O Data
GND
I Control line of EEPROM
O Control line of EEPROM
O Control line of EEPROM
O Control line of EEPROM
I/O Control line of external A/D converter
O Control line of external A/D converter
I/O Printing data clock
UP-D70XR