Sharp AR-FN3 (serv.man2) Service Manual ▷ View online
Pin
No.
Port
Signal
name
IN/OUT
ACTIVE
Specification
Remarks
69
P63
AS/
OUT
H
Address strobe signal
70
P64
RD/
OUT
L
ROM, I/O read signal (read at L)
71
P65
HWR/
OUT
L
Upper write signal (write at L)
72
P66
LWR/
OUT
L
Lower write signal (write at L)
73
MD0
MD0
IN
Mode setting signal 0 (fixed at H level)
74
MD1
MD1
IN
Mode setting signal 1 (fixed at L level)
75
MD2
MD2
IN
Mode setting signal 2 (fixed at L level)
76
AVCC
AVCC
A/D, D/A converter power supply
77
VREF
VREF
A/D, D/A converter reference voltage
78
P70
JGHP
IN
H
Jogger motor home position signal (home position at H)
79
P71
READY/
IN
L
Stapler self-priming signal (ready at L)
80
P72
PSHP
IN
H
Pusher motor home position signal (home position at H)
81
P73
STORHP/
IN
L
82
P74
STUHP
IN
H
Stapler unit home position signal (home position at H)
83
P75
T2PF/
IN
L
Tray 2 paper full sensor signal (full at L)
84
P76
N.C
ST pressure release home position signal (L: Pressure applied)
85
P77
STND
IN
L
Stapler needle replacement sensor (needle being replaced at L)
86
AVSS
GND
Power supply (GND)
87
P80
EVRE
IN
Elevator motor encoder
88
P81
OFHP
IN
H
Off-set tray home position signal (home position at H)
89
P82
EXPCS/
OUT
L
Expansion I/O chip select signal (select at L)
90
P83
N.C
91
P84
ROMCS/
OUT
L
ROM chip select signal (select at L)
92
VSS
GND
Power supply (GND)
93
PA0
STHP/
IN
L
Stapler home position signal (home position at L)
94
PA1
N.C
95
PA2
N.C
96
PA3
N.C
97
PA4
FMPWM/
OUT
L
Transport motor control signal (PWM output)
98
PA5
N.C
99
PA6
FMRE
IN
H
Transport motor encoder signal
100
PA7
FMDIR
OUT
L
Transport motor direction control signal (CW at L)
4. Expansion I/O (M66500FP)
A. Outline
The expansion I/O converts data from the CPU into load control
signals and input signals from sensors and switches into data for the
CPU.
signals and input signals from sensors and switches into data for the
CPU.
The expansion I/O uses the M66500FP.
B. Features
•
•
I/Os are expandable up to 44 bits
(8-bit I/O port
×
3, 8-bit high-dielectric output port
×
2, 4-bit input
port
×
1)
•
Directly connectable to 12 MHz CPU without weight
•
Writable to output port in input mode
•
Output terminal status can be read from CPU
•
Possible to drive transistor array
•
24 mA high-dielectric output port (16 bits) is incorporated.
•
TTL level terminal at CPU side
•
I/O terminal is CMOS level schmitt trigger input
C. Terminal connection diagram
PB7
PA7 PA6
PA5
PA4
PA3
PA2
PA1
PA0
Vcc
RD
WR
CS
56 PG2
64 PF5
63 PF4
62 PF3
61 PF2
60 PF1
59 PF0
58 GND2
57 PG3
55 PG1
54 PG0
53 PC3
52 PC2
PF6
PF7
Vcc
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
GND3
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PF7
Vcc
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
GND3
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PC1
PC0
PC4
PC5
PC6
PC7
D7
D6
D5
D4
D3
D2
D1
D0
A0
A1
A2
PC0
PC4
PC5
PC6
PC7
D7
D6
D5
D4
D3
D2
D1
D0
A0
A1
A2
RESET
GND1
M66500FP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
16
17
18
19
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
33
34
20
21 22
23
24
25
26
27
28
29
30
31
32
AR-FN3
9 – 4
8/19/1999
D. Expansion I/O: M66500FP (IC11) terminal signals
Pin
No.
Port
Signal
name
IN/OUT
ACTIVE
Specifications
Remarks
1
PF6
PDCL/
OUT
L
Paddler clutch drive signal (On at L)
2
PF7
STORCL/
OUT
L
Paper discharge roller pressure release clutch (On at L)
3
VCC
VCC
Power supply (
+
5V)
4
PE0
EMA
OUT
H
Elevator motor CW drive signal
5
PE1
EMB
OUT
H
Elevator motor CCW drive signal
6
PE2
N.C
7
PE3
N.C
8
PE4
STMA
OUT
H
Staple motor CW drive signal
9
PE5
STMB
OUT
H
Staple motor CCW drive signal
10
PE6
N.C
11
PE7
N.C
12
GND
GND
Power supply (GND)
13
PB0
STID/
IN
L
Staple tray paper entry sensor signal (On at L)
14
PB1
STPD/
IN
L
Staple tray paper sensor signal (On at L)
15
PB2
T1PF/
IN
L
Tray 1 paper full sensor signal (On at L)
16
PB3
STID
IN
L
Staple tray paper entry sensor 2 signal (ON at L)
17
PB4
T3UP
IN
H
Tray 3 upper limit sensor signal (On at H)
18
PB5
T3DN
IN
H
Tray 3 lower limit sensor signal (On at H)
19
PB6
LSTS/
IN
L
Stapler needle sensor signal (presence of needle at L)
20
PB7
NCTS/
IN
L
Stapler cartridge sensor signal (presence of cartridge at L)
21
PA7
T3OD/
IN
L
Tray 3 paper discharge sensor signal (On at L)
22
PA6
PFD4/
IN
L
Transport sensor signal 4 (On at L)
23
PA5
PFD3/
IN
L
Transport sensor signal 3 (On at L)
24
PA4
PFD2/
IN
L
Transport sensor signal 2 (On at L)
25
PA3
N.C
26
PA2
N.C
27
PA1
T3PDHP/
IN
L
Paper discharge paddler home position sensor signal (L: HP)
28
PA0
INPD/
IN
L
Paper entry sensor signal (On at L)
29
VCC
VCC
Power supply (
+
5V)
30
/RD
RD/
IN
L
Data read signal (read at L)
31
/WR
WR/
IN
L
Data write signal (write at L)
32
/CS
CS/
IN
L
Chip select signal (select at L)
33
RESET
RESET
IN
H
Reset signal (reset at H)
34
GND
GND
Power supply (GND)
35
A2
A2
IN
Address signal (A2)
36
A1
A1
IN
Address signal (A1)
37
A0
A0
IN
Address signal (A0)
38
D0
D0
IN/OUT
Data signal (D0)
39
D1
D1
IN/OUT
Data signal (D1)
40
D2
D2
IN/OUT
Data signal (D2)
41
D3
D3
IN/OUT
Data signal (D3)
42
D4
D4
IN/OUT
Data signal (D4)
43
D5
D5
IN/OUT
Data signal (D5)
44
D6
D6
IN/OUT
Data signal (D6)
45
D7
D7
IN/OUT
Data signal (D7)
46
PC7
STPDSL
OUT
H
Paddler solenoid in staple tray (H: ON)
47
PC6
OG2SL
OUT
H
Paper discharge gate 2 solenoid (On at H)
48
PC5
T3PDSL
OUT
H
Paper exit paddler solenoid (H: ON)
49
PC4
N.C
50
PC0
JMA
OUT
H
Jogger motor drive signal A
51
PC1
JMA/
OUT
H
Jogger motor drive signal /A
52
PC2
JMB
OUT
H
Jogger motor drive signal B
53
PC3
JMB/
OUT
H
Jogger motor drive signal /B
54
PG0
PWD
IN
H
Power supply shut-off monitoring signal (power shut-off at H)
55
PG1
DSW1
IN
H
Connection to copier detection signal (disconnection at H)
56
PG2
DSW2
IN
H
Upper door opening and closing detection signal (door open at H)
57
PG3
DSW3
IN
H
Front door opening and closing detection signal (door open at H)
58
GND
GND
Power supply (GND)
59
PF0
N.C
60
PF1
N.C
61
PF2
OG1SL/
OUT
L
Paper discharge gate 1 solenoid drive signal (On at L)
62
PF3
OG3SL/
OUT
L
Paper discharge gate 3 solenoid drive signal (On at L)
63
PF4
N.C
64
PF5
T30RCL/
OUT
L
Tray 3 high speed clutch drive signal (On at L)
AR-FN3
8/19/1999
9 – 5
5. Communication buffer and reset circuit
In the communication buffer circuit, the transmission signal (F-TXD)
and communication permit signal (F-DTR) from the copier are
received by the buffer IC 74HC14 (IC101), while the reception signal
(F-RXD) and communication request signal (F-DSR) transmitted from
the finisher to the copier are outputted from the transistor Q101 and
Q102.
and communication permit signal (F-DTR) from the copier are
received by the buffer IC 74HC14 (IC101), while the reception signal
(F-RXD) and communication request signal (F-DSR) transmitted from
the finisher to the copier are outputted from the transistor Q101 and
Q102.
The reset signal from the copier is also received by the IC101 and
inputted to the CPU’s reset terminal (active at L). In addition, the
reversion signal is inputted to the expansion I/O reset terminal (active
at H). For each signal, a protective diode is inserted between
inputted to the CPU’s reset terminal (active at L). In addition, the
reversion signal is inputted to the expansion I/O reset terminal (active
at H). For each signal, a protective diode is inserted between
+
5V and
GND.
Signal
name
Description
Logic (connector level)
F-TXD
Signal line from copier to finisher
Start bit detection at H
Usual (marking state) at L
Usual (marking state) at L
F-RXD
Signal line from finisher to copier
Start bit detection at L
Usual (marking state) at L
Usual (marking state) at L
F-DTR
Status display signal line for the signal showing communication permit
from finisher to copier
from finisher to copier
Communication from finisher to copier is inhibited at H
Communication from finisher to copier is permitted at L
Communication from finisher to copier is permitted at L
F-DSR
Status display signal line for the signal showing communication request
from finisher to copier
from finisher to copier
No communication request from finisher to copier at H
Communication request from finisher to copier at L
Communication request from finisher to copier at L
F-RES
Hard rest signal from copier
Reset at H
Reset is released at L
Reset is released at L
74HC14
74HC14
74HC14
74HC14
IC101
IC101
IC101
IC101
+5V
+5V
+5V
R125
1
2
R113
4.7K
4.7K
6
5
10
11
IC101
8
9
+5V
0.1U
RES/
RES
14
F-TXD
F-RXD
12
17
F-DTR
F-DSR
16
63
33
F-TXD
F-RXD
F-DTR
F-DSR
F-RES
C131
0.1U
0.1U
from Copier
Q102
Q101
74HC14
R115
1K
4.7K
10K
10K
10K
10K
C118 0.1U
C117 1000p
C120 1000p
RT1N141C
RT1N141C
R126 4.7K
R114
4.7K
RXD0/P92
TXD0/P90
CPU
(IC03)
I/O
(IC11)
P95
P94
RES
RESET
6. Sensor input circuit
The signal from each sensor connected to 10 kohm pull-up resistance
and noise-removing 1000 pF capacitor, and connected through 10
kohm protective resistance to CPU, and expansion I/O Schmitt trigger
input port.
and noise-removing 1000 pF capacitor, and connected through 10
kohm protective resistance to CPU, and expansion I/O Schmitt trigger
input port.
The sensor signal for transport system is input to the schmitt trigger
input port because the sensor input circuit is not provided with rectifier
circuit.
input port because the sensor input circuit is not provided with rectifier
circuit.
H.P.sensor
+5V
+5V
10K
1000PF
P**
10K
(IC02)
AMP
*1
*1:Rated Voltage Sircuit
CPU
Transport system sensor
240
+5V
+5V
10K
1000PF
PA or PB
10K
(IC03)
2
*2 Schumit trigger input port
I/O
AR-FN3
9 – 6
8/19/1999
7. Switch input circuit
This circuit checks whether the finisher is connected to the copier,
both the top and front doors are opened. It is connected to micros-
witches whose contacts are closed when the finisher is connected to
the copier or the doors are closed.
both the top and front doors are opened. It is connected to micros-
witches whose contacts are closed when the finisher is connected to
the copier or the doors are closed.
Each switch is connected in series from
+
24V so that it becomes a
power supply switch for the drive. That is,
+
24V is conducted only
when all the 3 microswitches are closed.
When the finisher is connected to the copier, the microswitch turns
on, letting
on, letting
+
24V be applied to ZD4. This allows electric current to flow
to the base resistance of the transistor array TD62504 (IC102), thus
turning on the transistor to change the expansion I/O PG1 (DSW1
signal) to L level.
turning on the transistor to change the expansion I/O PG1 (DSW1
signal) to L level.
When the finisher is disconnected from the copier, the transistor is
turned off to change the expansion I/O PG1 to H level. ZD4 (RD6.2E)
has a threshold level preset, to increase detection speed when the
supply of
turned off to change the expansion I/O PG1 to H level. ZD4 (RD6.2E)
has a threshold level preset, to increase detection speed when the
supply of
+
24V is cut off. The levels of PG2 and 3 (DSW2, 3 signals)
also change when the top and front door switch is opened and
closed.
closed.
In addition, when
+
24V power supply from the copier is cut off, the
expansion I/O PG0 (PWD signal) level changes at the above circuit.
Here are logic’s at the time of the power supply from the copier being
cut off and the doors opening and closing being detected.
cut off and the doors opening and closing being detected.
←
Upper Lower
→
Status
Expansion
I/O port
PG0
PG1
PG2
PG3
Remarks
Signal
name
PWD
DSW1 DSW2 DSW3
Power supply from
copier is cut off
copier is cut off
H
d.c
d.c
d.c
Disconnected from
copier
copier
L
H
d.c
d.c
Upper door open
L
L
H
d.c
Front door open
L
L
L
H
H:
Power supply cut off (door open)
L:
Conducting (door closed)
d.c: Unknown (no status is shown because power is cut off at
upstream)
PWD1 54
DSW1 55
DSW2 56
DSW3 57
DSW2 56
DSW3 57
BR7
10K
6
O1
O2
O3
O4
O5
O6
O7
O2
O3
O4
O5
O6
O7
COM
I1
I2
I3
I4
I5
I6
I7
I2
I3
I4
I5
I6
I7
GND
TD62504F
IC102
16
15
14
13
12
11
10
15
14
13
12
11
10
9
PWD1
DS1
DS2
DS3
DS2
DS3
5
6
7
8
6
7
8
+5V
(IC03)
PG0
PG1
PG2
PG3
PG1
PG2
PG3
RD6.2EB2
ZD05
RD6.2EB2
ZD04
RD6.2EB2
ZD03
RD6.2EB2
ZD06
Power supply +24V
Copier connection SW
Upper door SW
Front door SW
Microswitch x 3
Microswitch x 3
+24V
+24V1
+24V1
+24V2
+24V2
+24V3
+24V3
to each motor and
solenoid clutch
solenoid clutch
Upper
Lower
Normal: SW ON
Copier separated
or door open: SW OFF
Copier separated
or door open: SW OFF
I/O
2 3 4 5
4
3
2
AR-FN3
8/19/1999
9 – 7
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