Read Sharp AR-122E (serv.man6) Service Manual online
AR-122E/152E/153E/157E ELECTRICAL SECTION 13 - 7
145 ram_mad7
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
146 VCC(AC)
147 ram_mad6
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
148 ram_mad5
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
149 GND(CORE/DC)
150 ram_mad4
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
151 ram_mad10
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
152 ram_mad0
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
153 VCC(CORE/DC)
154 ram_mad1
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
155 ram_mad2
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
156 ram_mad3
OUT
SDRAM
SDRAM (Image
process page
memory) address bus
process page
memory) address bus
157 d_s_ATDO_B
(Not used)
158 cl
OUT
Logic IC
Copy lamp control
signal
signal
159 VCC(CORE/DC)
3.3V
Power
160 afp_oeb
(Not used)
161 ccd_tg
OUT
CCD PWB
CCD control signal
162 GND(CORE/DC) Power
163 afp_vsmp
OUT
CCD PWB
AFE control signal
164 ccdrs
OUT
CCD PWB
CCD control signal
165 ccdcp
OUT
CCD PWB
CCD control signal
166 VCC(AC) 3.3V
Power
167 afp_bsmp
OUT
CCD PWB
AFE control signal
168 ccd_ph2
OUT
CCD PWB
CCD control signal
169 afp_afesdi
OUT
CCD PWB
AFE control signal
170 GND(AC)
Power
171 ccd_ph1
OUT
CCD PWB
CCD control signal
172 VCC(CORE/DC)
173 afp_adcclk
173 afp_adcclk
OUT
CCD PWB
AFE control signal
174 afp_afesen
OUT
CCD PWB
AFE control signal
175 GND(CORE/DC) Power
176 afp_afesck
176 afp_afesck
OUT
CCD PWB
AFE control signal
177 mtr_at_home
IN
CCD PWB
Carriage home
position signal
position signal
178 VCC(CORE/DC)
Power
179 afp_data7
IN
CCD PWB
Image scan data
180 afp_data6
IN
CCD PWB
Image scan data
181 afp_data5
IN
CCD PWB
Image scan data
182 GND(CORE/DC) Power
183 afp_data4
183 afp_data4
IN
CCD PWB
Image scan data
184 afp_data3
IN
CCD PWB
Image scan data
185 VCC(AC) 3.3V
Power
186 afp_data2
IN
CCD PWB
Image scan data
187 afp_data1
IN
CCD PWB
Image scan data
188 GND(AC)
Power
PIN
No.
Signal Name
IN/OUT
Connected
to
Description
189 afp_data0
IN
CCD PWB
Image scan data
190 GND(CORE/DC) Power
191 sfclk
IN
Clock
192 tm2_24m
(Not used)
193 GND(PLL)
Power
194 VCC(PLL) 3.3V
Power
195 GND(PLL)
Power
196 VCC(PLL) 3.3V
Power
197 VCC(CORE/DC)
3.3V
Power
198 mtr_y1
OUT
Tr array IC Carriage motor current
control signal
199 mtr_phase1
OUT
Motor
driver
driver
Carriage motor control
signal
signal
200 GND(CORE/DC) Power
201 mtr_i01
OUT
Motor
driver
driver
Carriage motor control
signal
signal
202 mtr_i11
OUT
Motor
driver
driver
Carriage motor control
signal
signal
203 mtr_i21
OUT
Motor
driver
driver
Carriage motor control
signal
signal
204 mtr_phase2
OUT
Motor
driver
driver
Carriage motor control
signal
signal
205 VCC(CORE/DC)
3.3V
Power
206 mtr_i02
OUT
Motor
driver
driver
Carriage motor control
signal
signal
207 mtr_i12
OUT
Motor
driver
driver
Carriage motor control
signal
signal
208 mtr_i22
OUT
Motor
driver
driver
Carriage motor control
signal
signal
209 mtr_y2
OUT
Tr array IC Carriage motor current
control signal
210 VCC(AC) 3.3V
Power
211 xsync
IN
LSU
Horizontal sync signal
from LSU (/SYNC)
from LSU (/SYNC)
212 xld
OUT
LSU
Laser drive signal
(/VIDEO)
(/VIDEO)
213 GND(AC)
Power
214 xlend
OUT
LSU
Laser APC signal
(/LEND)
(/LEND)
215 xcpuwr
IN
CPU
CPU write signal
216 xcpurd
IN
CPU
CPU read signal
217 scanstop
IN
CPU
Scan stop signal
218 scanst
IN
CPU
Scan start signal
219 transst
IN
CPU
Data transfer start
signal
signal
220 printst
IN
CPU
Print start signal
221 tmen
IN
CPU
Toner motor clock
enable signal
enable signal
222 testpin4
(Not used)
223 VCC(CORE/DC)
3.3V
Power
224 testpin3
(Not used)
225 tmclk
IN
Toner motor clock
signal
signal
226 GND(CORE/DC) Power
227 testpin2
(Not used)
228 testpin1
(Not used)
229 testpin0
(Not used)
230 cpudata15
IN/OUT CPU
CPU data bus
231 cpudata14
IN/OUT CPU
CPU data bus
232 cpudata13
IN/OUT CPU
CPU data bus
233 cpudata12
IN/OUT CPU
CPU data bus
234 cpudata11
IN/OUT CPU
CPU data bus
PIN
No.
Signal Name
IN/OUT
Connected
to
Description
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