Service manual
3) Pin description
Pin
No.
Signal
name
In/
Out
Function
1
RF
Out Receipt side paper feed solenoid (NU)
2
JF
Out Journal side paper feed solenoid (NU)
3
PCUT
Out Printer partial cut signal (NU)
4
FCUT
Out Printer auto cut signal (NU)
5
VF
Out Multi line validation paper feed (NU)
6
STAMP
Out Printer stamp signal (NU)
7
SLFS
Out Slip printer paper feed singnal (NU)
8
SLRS
Out Slip printer release signal (NU)
9
SLMTD
Out Slip printer motor drive signal (NU)
10
RES
Out Peripheral output reset
11
TRG
Out Dot head trigger signal (NU)
12
TRG
Out Dot head trigger signal (NU)
13
POFF
In Power off signal input
14
INT1
In (NU)
15
HTS1
Out 8 bit serial port output (for CKDC8)
16
SCK1
Out Serial port shift clock output (for CKDC8)
17
STH1
In 8 bit serial port input (for CKDC8)
18
RAS VZ
— Chip select (NU)
19 — — Nu
20
VCC
—+5V
21
GND
—GND
22
INTMCR
— Interrupt (NU)
23
VRESC
Out
Turns active when reset and power
down is met
24
SLTMG
In Slip printer timing signal (NU)
25
SLRST
In Slip printer reset signal (NU)
26
AS
In Address strobe
27
RD
In Read strobe
28
WR
In Write strobe
29
φ
In (φ) System clock (9.83 MHz)
30
SDT7
Out
Slip printer printhead drive signal (dot7)
(NU)
31
SDT6
Out
Slip printer printhead drive signal (dot6)
(NU)
32
SDT5
Out
Slip printer printhead drive signal (dot5)
(NU)
33
GND
—GND
34
SDT4
Out
Slip printer printhead drive signal (dot4)
(NU)
35
SDT3
Out
Slip printer printhead drive signal (dot3)
(NU)
36
SDT2
Out
Slip printer printhead drive signal (dot2)
(NU)
37
SDT1
Out
Slip printer printhead drive signal (dot1)
(NU)
38
D0
I/O Data bus 0
39
D1
I/O Data bus 1
40
D2
I/O Data bus 2
41
D3
I/O Data bus 3
42
GND
—GND
43
D4
I/O Data bus 4
44
D5
I/O Data bus 5
45
D6
I/O Data bus 6
46
D7
I/O Data bus 7
47
SPRQ
Out SSP interrupt request to CPU
48
RESET
In MPCA reset
49
SHEN
In Shift enable from CKDC8
50
INT3
In Interrupt signal (Nu)
Pin
No.
Signal
name
In/
Out
Function
51
RXD2
Out 8 bit serial port output to CPU
52
TXD2
In 8 bit serial port input from CPU
53
SCK2
In Serial port shift clock input from CPU.
54
IRQ0
Out Interrupt request to CPU
55
A0
In Address bus 0
56
A1
In Address bus 1
57
A2
In Address bus 2
58
A3
In Address bus 3
59
A4
In Address bus 4
60
A5
In Address bus 5
61
GND
—GND
62
VCC
—+5V
63
A6
In Address bus 6
64
A7
In Address bus 7
65
A8
In Address bus 8
66
A9
In Address bus 9
67
A10
In Address bus 10
68
A11
In Address bus 11
69
A12
In Address bus 12
70
A13
In Address bus 13
71
A14
In Address bus 14
72
A15
In Address bus 15
73
A16
In Address bus 16
74
A17
In Address bus 17
75
A18
In Address bus 18
76
A19
In Address bus 19
77
A20
In Address bus 20
78
A21
In Address bus 21
79
A22
In Address bus 22
80
LCDC
— LCD CS (NU)
81
A23
In Address bus 23
82
TRGI
In Dot pulse control/drive signal (NU: GND)
83
PTMG
Out Printer timing signal to CPU
84
PRST
Out Printer reset signal to CPU
85
RDY
In Ready from FMC unit
86
IPLON
In To option connector (NU) +5V
87
MD1
In Mode select input (GND)
88
MD0
In Mode select input (GND)
89
TEST
In +5V
90
MA15
— Image address 15
91
MA18
—Nu
92
MA19
—Nu
93
RCVRDY1
—Nu: +5V
94
RCVRDY2
—Nu: +5V
95
RC0
—
Remote control encord signal for CPU
(NU)
96
IRTX
— I/R output for LED (NU)
97
UASCK
— I/R serial data shift clock (NU)
98
UARX
— I/R serial data for CPU (NU)
99
UATX
— I/R serial data from CPU (NU) +5V
100
VCC
—+5V
101
GND
—GND
102
IRRX
— I/R input from I/R unit (NU) +5V
103
RCI
— I/R input from I/R unit (NU) +5V
104
DAX1
— System clock (NU)
105
DAX2
—Nu
106
MCR1
—Nu
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