Read Sharp MX-M623U / MX-M753U (serv.man8) Service Manual online
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 89
HL_US
HL_UM
HL_UA
PMC1CLK1
PMC1CLK2
PMC1CLK2
HLCLK
CV_COLOR0
CV_STAPLE
CV_DUPLEX
CV_STAPLE
CV_DUPLEX
DGS
PSPS
FRS
WEBM1A
WEBM1B
WEBM2A
WEBM2B
PNC
WEBM1B
WEBM2A
WEBM2B
PNC
A0
A1
A2
A3
A4
A5
A6
A7
A8
A
9
D8
D
9
D1
0
D1
1
D1
2
D1
3
D1
4
D1
5
HL_UM#
HL_US#
HL_UA#
HL_US#
HL_UA#
PMC1CLK4
PMC1CLK6
PMC1CLK9
PMC1CLK10
PMC1CLK11
TM2a
TM2b
TM2b
(RRC)
PMC1CLK11
PMC1CLK10
PMC1CLK9
PMC1CLK6
PMC1CLK4
PMC1CLK10
PMC1CLK9
PMC1CLK6
PMC1CLK4
PMC1CLK2
PMC1CLK1
3.3V
DGS
<7>
THOPEN_LM
<14>
A[20:0]
<1,2,4,5>
D[15:0]
<1,2,4,5>
/ENG_RST
<1,4,5>
CV_COLOR0
<10>
CV_STAPLE
<10>
CV_DUPLEX
<10>
CPU_CLKout2
<1>
HL_UM
<1>
HL_US
<1>
HL_UA
<1>
HL_UA#
<11>
HL_UM#
<11>
HL_US#
<11>
FWS
<1,14,17>
THOPEN_UM
<14>
THOPEN_US
<14>
/TFSDin
<6>
CRUM_SCL#
<7>
/POM1CNT
<8>
/POM2CNT
<8>
/ADM1CNT
<8>
/ADM2CNT
<8>
/TRMCNT
<8>
/RRMCNT
<8>
/VPMCNT
<8>
CRUM_SDA
<11>
TM2a
<7>
TM2b
<7>
(DA_SCL)
<11>
(DA_SDA)
<11>
(RRC)
<10>
TURMout
<8>
TCBias
<11>
DL#
<11>
PSPS
<7>
(PTDL)
<8>
FRS
<7>
HLPR
<11>
WEBM1A
<7>
WEBM1B
<7>
WEBM2A
<7>
WEBM2B
<7>
PNC
<10>
FAX_LED
<11>
CFM-UP_PWM
<9>
CFM-R_PWM
<8>
CFM-DV_PWM
<8>
VFM-EX_PWM
<9>
CFM-UP4_PWM
<9>
VFM-BKU_PWM
<9>
VFM-BKR_PWM
<7>
CFM-DC_PWM
<8>
uPD65946GJ
TP524
R302
10kJ
10kJ
TP382
TP423
TP712
TP523
TP509
TP534
TP435
TP467
TP960
TP727
TP459
TP96
TP453
TP672
TP476
TP213
TP441
TP438
TP491
TP461
TP522
R258
10kJ
10kJ
TP698
TP609
TP248
TP487
TP517
TP226
TP619
R300
10kJ(NM)
TP405TP405
TP870
R278
10kJ
C136
100pF(NM)
TP207
TP460
TP422
TP480
TP436
R301
10kJ(NM)
PA
4
154
PA
5
155
PA
6
156
PA
7
157
PB0
158
PB1
15
9
A
9
32
A7
30
GND
33
D0
34
A8
31
D1
35
GND
184
D2
36
D3
37
D4
38
PD1
185
PD2
186
D5
3
9
GND
1
GND
2
AMC
3
SCK
4
SMC
5
SIN0
6
SO
T
0
7
XRST
8
CLK1
9
CLK2
10
CLK3
11
CLK4
12
CLK5
13
CLK6
14
CLK7
15
CLK8
16
GND
20
VDD
21
CLK
O
U
T
22
A0/SIN1
23
A1/SO
T
1
24
A2/SIN2
25
A3/SO
T
2
26
A4/SIN3
27
A5/SO
T
3
28
A6
2
9
VDD
40
GND
41
D6
42
D7
43
XCS
44
XRD
45
XWR
46
AC
K
0
47
BON0
48
XA
CW
0
4
9
GND
50
VDD
51
XBFULL0
52
AC
K
1
53
BON1
54
REQ0
127
REQ1
128
REQ2
12
9
GND
130
VDD
131
REQ3
132
REQ4
133
REQ5
134
REQ6
135
REQ7
136
REQ8
137
REQ
9
138
GND
13
9
VDD
140
REQ10
141
REQ11
142
REQ12
143
REQ13
144
REQ14
145
REQ15
146
REQL
147
REQU
148
PA
0
14
9
PA
1
150
PA
2
151
PA
3
152
GND
153
VDD
160
GND
161
PB2
162
PB3
163
PB4
164
PB5
165
PB6
166
PB7
167
PC0
168
PC1
16
9
GND
170
VDD
171
PC2
172
PC3
173
PC4
174
PC5
175
PC6
176
PC7
177
PD0
178
GND
17
9
GND
180
VDD
181
XTAL
182
EXTAL
183
PD3
187
PD4
188
PD5
189
PD6
190
PD7
191
PE0
192
GND
193
VDD
194
PE1
195
PE2
196
PE3
197
PE4
198
PE5
199
GND
200
VDD
201
PE6
202
PE7
203
PF0
204
PF1
205
PF2
206
PF3
207
PF4
208
PF5
209
PF6
210
GND
211
PF7
212
PWM0
213
PWM1
214
PWM2
215
PWM3
216
PWM4
217
PWM5
218
PWM6
219
VDD
220
GND
221
PWM7
222
PWM8
223
PWM9
224
PWM10
225
PWM11
226
PWM12
227
PWM13
228
PWM14
229
GND
230
PWM15
231
HLCLK
232
FWSIN
233
HLON0
234
HLON1
235
HLON2
236
HLOUT0
237
HLOUT1
238
HLOUT2
239
VDD
240
CLK
9
17
CLK10
18
CLK11
1
9
TP490
TP46
9
R268
10kJ
TP518
TP442
TP234
TP884
TP510
TP214
TP468
R299
10kJ(NM)
TP957
TP450
TP454
TP848
TP448
TP863
R263
10kJ
TP904
TP511
TP440
TP718
TP406TP406
TP859
TP493
TP443
TP952
TP478
TP432
TP494
TP576
TP449
TP249
R269
10kJ
A
B
C
4
3
2
1
PCU PWB (PMC1 section)
A
B
C
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