Sharp AL-1215 Service Manual page 101

PIN
Signal Name IN/OUT
No.
145 ram_mad7 OUT
146 VCC(AC)
147 ram_mad6 OUT
148 ram_mad5 OUT
149 GND(CORE/DC)
150 ram_mad4 OUT
151 ram_mad10 OUT
152 ram_mad0 OUT
153 VCC(CORE/DC)
154 ram_mad1 OUT
155 ram_mad2 OUT
156 ram_mad3 OUT
157 d_s_ATDO_B
158 cl OUT
159 VCC(CORE/DC) Power
3.3V
160 afp_oeb
161 ccd_tg OUT
162 GND(CORE/DC) Power
163 afp_vsmp OUT
164 ccdrs OUT
165 ccdcp OUT
166 VCC(AC) 3.3V Power
167 afp_bsmp OUT
168 ccd_ph2 OUT
169 afp_afesdi OUT
170 GND(AC) Power
171 ccd_ph1 OUT
172 VCC(CORE/DC)
173 afp_adcclk OUT
174 afp_afesen OUT
175 GND(CORE/DC) Power
176 afp_afesck OUT
177 mtr_at_home IN
178 VCC(CORE/DC) Power
179 afp_data7 IN
180 afp_data6 IN
181 afp_data5 IN
182 GND(CORE/DC) Power
183 afp_data4 IN
184 afp_data3 IN
185 VCC(AC) 3.3V Power
186 afp_data2 IN
187 afp_data1 IN
188 GND(AC) Power
Connected
Description
to
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
SDRAM SDRAM (Image
process page
memory) address bus
(Not used)
Logic IC Copy lamp control
signal
(Not used)
CCD PWB CCD control signal
CCD PWB AFE control signal
CCD PWB CCD control signal
CCD PWB CCD control signal
CCD PWB AFE control signal
CCD PWB CCD control signal
CCD PWB AFE control signal
CCD PWB CCD control signal
CCD PWB AFE control signal
CCD PWB AFE control signal
CCD PWB AFE control signal
CCD PWB Carriage home
position signal
CCD PWB Image scan data
CCD PWB Image scan data
CCD PWB Image scan data
CCD PWB Image scan data
CCD PWB Image scan data
CCD PWB Image scan data
CCD PWB Image scan data
AL-1551CS ELECTRICAL SECTION 12 - 7
PIN
Signal Name IN/OUT
No.
189 afp_data0 IN
190 GND(CORE/DC) Power
191 sfclk IN
192 tm2_24m
193 GND(PLL) Power
194 VCC(PLL) 3.3V Power
195 GND(PLL) Power
196 VCC(PLL) 3.3V Power
197 VCC(CORE/DC) Power
3.3V
198 mtr_y1 OUT
199 mtr_phase1 OUT
200 GND(CORE/DC) Power
201 mtr_i01 OUT
202 mtr_i11 OUT
203 mtr_i21 OUT
204 mtr_phase2 OUT
205 VCC(CORE/DC) Power
3.3V
206 mtr_i02 OUT
207 mtr_i12 OUT
208 mtr_i22 OUT
209 mtr_y2 OUT
210 VCC(AC) 3.3V Power
211 xsync IN
212 xld OUT
213 GND(AC) Power
214 xlend OUT
215 xcpuwr IN
216 xcpurd IN
217 scanstop IN
218 scanst IN
219 transst IN
220 printst IN
221 tmen IN
222 testpin4
223 VCC(CORE/DC) Power
3.3V
224 testpin3
225 tmclk IN
226 GND(CORE/DC) Power
227 testpin2
228 testpin1
229 testpin0
230 cpudata15 IN/OUT CPU
231 cpudata14 IN/OUT CPU
232 cpudata13 IN/OUT CPU
233 cpudata12 IN/OUT CPU
234 cpudata11 IN/OUT CPU
Connected
Description
to
CCD PWB Image scan data
Clock
(Not used)
Tr array IC Carriage motor current
control signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Motor Carriage motor control
driver signal
Tr array IC Carriage motor current
control signal
LSU Horizontal sync signal
from LSU (/SYNC)
LSU Laser drive signal
(/VIDEO)
LSU Laser APC signal
(/LEND)
CPU CPU write signal
CPU CPU read signal
CPU Scan stop signal
CPU Scan start signal
CPU Data transfer start
signal
CPU Print start signal
CPU Toner motor clock
enable signal
(Not used)
(Not used)
Toner motor clock
signal
(Not used)
(Not used)
(Not used)
CPU data bus
CPU data bus
CPU data bus
CPU data bus
CPU data bus