DOWNLOAD Sharp AR-161 (serv.man15) Service Manual ↓ Size: 1.12 MB | Pages: 16 in PDF or view online for FREE

Model
AR-161 (serv.man15)
Pages
16
Size
1.12 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR161 Service Manual-Electrical Section
File
ar-161-sm15.pdf
Date

Sharp AR-161 (serv.man15) Service Manual ▷ View online

Pin No.
Pin name
Signal name
I/O
Purpose
Descriptions
118
P1IN8
/ESREADY
IN
Electronic sort board option installation detection 
0: Option installed
119
P1IN9
/FAXREADY
IN
FAX board option installation detection
0: Option installed
120
VCC
POW
121
GND
POW
122
GND
POW
123
TEST
IN
(Not used)
0: Level fixing input
124
TEST
IN
(Not used)
0: Level fixing input
125
TEST
IN
(Not used)
0: Level fixing input
126
P1IN10
/PCLREADY
IN
FAX board option installation detection
0: Option installed
127
P1IN11
/SPFOPEN
IN
SPF unit float sensor detection
128
P1IN12
IN
(Not used)
129
P1IN13
IN
(Not used)
130
VCC
POW
131
P1IN14
IN
(Not used)
132
P1IN15
IN
(Not used)
133
P1OUT0
HPSOL
OUT
Manual feed tray pickup solenoid drive
H: Drive
134
P1OUT1
CPSOL
OUT
Copier cassette pickup solenoid drive
H: Drive
135
GND
POW
136
P1OUT2
PSRSOL
OUT
PS roller solenoid drive
H: Drive
137
P1OUT3
OUT
(Not used)
138
P1OUT4
OUT
(Not used)
139
GND
POW
140
VCC
POW
141
P1OUT5
OUT
(Not used)
142
P1OUT6
PSOL1
OUT
Option cassette 1 pick up solenoid drive
H: Drive
143
P1OUT7
FSOL1
OUT
Option cassette 1 feed solenoid drive
H: Drive
144
P1OUT8
PSOL2
OUT
Option cassette 2 pickup solenoid drive
H: Drive
145
GND
POW
146
P1OUT9
FSOL2
OUT
Option cassette 2 feed solenoid drive
H: Drive
147
P1OUT10
PSOL3
OUT
Option cassette 3 pickup solenoid drive
H: Drive
148
P1OUT11
FSOL3
OUT
Option cassette 3 feed solenoid drive
H: Drive
149
SELOUT0
SELA
OUT
Option sensor select control 
150
VCC
POW
151
SELOUT1
SELB
OUT
Option sensor select control 
152
SELOUT2
SELC
OUT
Option sensor select control 
153
YIN0
YSPF
IN
SPF option related sensor
154
YIN1
Y1
IN
Option cassette 1 related sensor detection
155
GND
POW
156
YIN2
Y2
IN
Option cassette 2 related sensor detection
157
YIN3
Y3
IN
Option cassette 3 related sensor detection
158
P0OUT0
HL
OUT
Halogen lamp control 
H: Lamp ON
159
P0OUT1
CL
OUT
Copy lamp control 
H: Lamp ON
160
VCC
POW
161
GND
POW
162
P0OUT2
PR
OUT
Power relay control
H: Relay ON
163
P0OUT3
MC
OUT
Main charger voltage control 
H; Voltage ON
164
P0OUT4
TC
OUT
Transfer charger voltage control 
H; Voltage ON
165
GND
POW
166
P0OUT5
/GRIDL
OUT
Grid bias voltage control
"H: HIGH, L: LOW "
167
P0OUT6
/BIAS
OUT
Developing bias voltage control 
L: Voltage ON
168
P0OUT7
APCSTT
OUT
APC circuit control
H: APC circuit ON
169
PMC0TCLK
MIRCLK
OUT
Mirror motor step count 
Mirror motor clock output
170
VCC
POW
171
PMC0DREQB
OUT
(Not used)
172
PMC1TCLK
SPFCLK
OUT
SPF motor step count
SPF motor clock output
173
PMC1DREQB
OUT
(Not used)
174
PMC2TCLK
SFTCLK
OUT
Shifter motor step count
Shifter motor clock output
175
PMC2DREQB
OUT
(Not used)
176
TEST
IN
(Not used)
0: Level fixing input
177
TESTB
IN
(Not used)
1: Level fixing input
178
TEST
IN
(Not used)
0: Level fixing input
179
GND
POW
(Pin descriptions) IN: Input pin   OUT: Output pin   BIDIR: Bi-directional pin   ODN: Open drain output pin   TR1: 3-state output pin   POW: Power pin
AR-161
AR-160/161 FM/E [13] ELECTRICAL SECTION 12/1/1998
13 – 10
Pin No.
Pin name
Signal name
I/O
Purpose
Descriptions
180
GND
POW
181
VCC
POW
182
PMC3TCLK
LFTCLK
OUT
Separator motor step count
Separator motor clock output
183
PMC3DREQB
OUT
(Not used)
184
PMC4TCLK
OUT
(Not used)
185
PMC4DREQB
OUT
(Not used)
186
DREQ0B
/DREQ0
OUT
"Mirror, SPF motor acceleration/reduction control"
L: Request
187
DREQ1B
/DREQ1
OUT
"Shifter, separator motor acceleration/reduction
control"
L: Request
188
A16
A16
IN
System bus
189
VCC
POW
190
CS1B
/CS1
IN
System bus
0: Select
191
CSOUT10B
/CS10
OUT
System bus
L: Select
192
CSOUT11B
/CS11
OUT
System bus
L: Select
193
CS3B
/CS3
IN
System bus
0: Select
194
RDB
/RD
IN
System bus
0: Read
195
HWRB
/HWR
IN
System bus
0: Highlight
196
LWRB
/LWR
IN
System bus
0: Row write
197
GND
POW
198
A1
A1
IN
System bus
199
A2
A2
IN
System bus
200
GND
POW
201
VCC
POW
202
A3
A3
IN
System bus
203
A4
A4
IN
System bus
204
A5
A5
IN
System bus
205
VCC
POW
206
A6
A6
IN
System bus
207
A7
A7
IN
System bus
208
GND
POW
209
RSTB
/RESET
IN
System reset
0: Reset
210
GND
POW
211
CLK
CPUCLK
IN
System clock 
212
GND
POW
213
D0
D0
BIDIR
System bus
214
D1
D1
BIDIR
System bus
215
D2
D2
BIDIR
System bus
216
GND
POW
217
D3
D3
BIDIR
System bus
218
D4
D4
BIDIR
System bus
219
D5
D5
BIDIR
System bus
220
VCC
POW
221
GND
POW
222
D6
D6
BIDIR
System bus
223
D7
D7
BIDIR
System bus
224
VCC
POW
225
D8
D8
BIDIR
System bus
226
D9
D9
BIDIR
System bus
227
D10
D10
BIDIR
System bus
228
D11
D11
BIDIR
System bus
229
D12
D12
BIDIR
System bus
230
D13
D13
BIDIR
System bus
231
D14
D14
BIDIR
System bus
232
GND
POW
233
D15
D15
BIDIR
System bus
234
PMC1POUT0
SPFDA
OUT
SPF motor phase A drive
H: Drive
235
PMC1POUT1
SPFDB
OUT
SPF motor phase B drive
H: Drive
236
PMC1POUT2
/SPFDA
OUT
SPF motor phase /A drive
H: Drive
237
PMC1POUT3
/SPFDB
OUT
SPF motor phase /B drive
H: Drive
238
DSCLK
DSCLK
ODN
Document size sensor control 
239
DSLED0
LED0
OUT
2: Beam document size sensor control
240
VCC
POW
(Pin descriptions) IN: Input pin   OUT: Output pin   BIDIR: Bi-directional pin   ODN: Open drain output pin   TR1: 3-state output pin   POW: Power pin
AR-161
AR-160/161 FM/E [13] ELECTRICAL SECTION 12/1/1998
13 – 11
(5) Reset circuit
This circuit detects ON/OFF of power to control start/stop of each circuit. The 5V voltage of the main PWB is detected by the reset IC to generate
the reset signal.
When the power voltage reaches the specified level, the circuit operations are started. Before the power voltage falls below the specified level, the
circuit operations are stopped to prevent against malfunctions.
(6) Main motor drive circuit
The main motor is driven by the MMD signal from ASIC. While the main motor is rotating, the MMD signal is driven to HIGH and  passed through
IC35 to the control circuit in the main motor to rotate the main motor. The /MMRDY signal is kept HIGH until the main motor speed reaches the
specified rpm, and passed to the CPU. 
(7) Mirror motor circuit
The mirror motor is a stepping motor, and it uses the IC29 and the constant current chopper control IC (SLA7027). For control, the CPU outputs the
drive signal to the IC29 to drive the mirror motor with 1-2 phase excitement. 
AR-161
AR-160/161 FM/E [13] ELECTRICAL SECTION 12/1/1998
13 – 12
(8) Toner supply motor drive circuit
The IC31 is the motor control IC, which generates the pseudo AC waveform with the pulse signals (TM, TM-) outputted from ASIC, driving the toner
supply motor.
3. CCD PWB
The CCD PWB is provided with the CCD (Charge-Coupled Device), the differential amplifier which amplifies image signals, and the AD convertor
which converts the amplified image signals into digital signals. 
The DC power and the pulse supply pins necessary for operating the CCD image sensor are the power source (CD pin), GND (SS pin), shift pulse
(SH pin), transfer pulse (
φ
 1 pin), (
φ
 2 pin), reset pulse (/RS pin), clamp pulse (/CP pin), and sampling (/SP pin). 
φ
 1 and 
φ
 2 and to the floating capacitor section
where electric signals are voltage-converted. Electric charges from the even number pixel shift register and the odd number pixel shift register are
flowed to the floating capacitor section alternatively.
The /RS signal is the reset signal of the CCD output signal. The CCD output is expressed as electric charges equivalently accumulated in the
capacitor. Therefore, to take the CCD output data one pixel by one pixel, one output data must be cleared after it is outputted. The /RS signal is
used for that operation.
AR-161
AR-160/161 FM/E [13] ELECTRICAL SECTION 12/1/1998
13 – 13
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