MX-C301, MX-C301W (serv.man7). Circuit Diagram - Sharp Copying Equipment Service Manual (repair manual). Page 9

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MX-C301  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 –  1
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT 
1.
MFPC PWB
A.
CIRCUIT DIAGRAM 
5
5
4
4
3
3
D
C
B
A
DGND
DGND
5V0_FAX_I
DGND
DGND
5V0_FAX_IN
5V0_FAX_IN
5V_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
5V0_FAX_IN
DGND
5V_IN
DGND
DGND
3R3V_ON
5V0_FAX_IN
DGND
DGND
5V0_FAX_IN
DGND
DGND
DGND
5V_IN
DGND
3R3V_ECO
3R3V_ECO
RB_GPO_SELFRST
{6}
RC_G
nRE
ARM9_OFF_N
{5,23}
S_GPO_nREUS_RST
{6}
D
S
G
1
2
3
Q18
2SK3018
D
S
G
1
2
3
Q18
2SK3018
C119
0.1uF
C119
0.1uF
R971
2.2KJ
R971
2.2KJ
R302
1KJ
R302
1KJ
C675
47000pF(B)
C675
47000pF(B)
IC13
74LVC1G07GW
IC13
74LVC1G07GW
NC
1
A
2
GND
3
Y
4
VCC
5
10K
47K
Q17
DTC014YUB
10K
47K
Q17
DTC014YUB
E
B
C
C655
X_0.1uF(1608:B)
C655
X_0.1uF(1608:B)
CP269
CP269
IC46
IC-PST8425UR
IC46
IC-PST8425UR
GND
1
VDD
2
CT
3
VOUT
4
R269
100KJ
R269
100KJ
CP243
CP243
D41
LTST-C190KGKT
D41
LTST-C190KGKT
A
K
R288
47KJ
R288
47KJ
IC15
BD45382G-TR
IC15
BD45382G-TR
ER
1
SUB
2
GND
3
VOUT
4
VDD
5
C674
1uF(1608:B)
C674
1uF(1608:B)
R287
47KJ
R287
47KJ
C677
1000pF(B)
C677
1000pF(B)
CP572
CP572
C143
1000pF(B)
C143
1000pF(B)
C676
1uF(1608:B)
C676
1uF(1608:B)
SW2
D_SKQMBAE010
SW2
D_SKQMBAE010
R266
47KJ
R266
47KJ
CP290
CP290
CP565
CP565
C142
1000pF(B)
C142
1000pF(B)
CP318
CP318
R252
1KJ
R252
1KJ
CP244
CP244
Q46
4.7K
47K
X_DTA043ZUB
Q46
4.7K
47K
X_DTA043ZUB
O
I
G
C120
0.1uF
C120
0.1uF
IC45
IC-PST8435UL
IC45
IC-PST8435UL
GND
1
VDD
2
CT
3
VOUT
4
CP289
CP289
CP268
CP268
R268
47KJ
R268
47KJ
CP316
CP316
D
S
G
1
2
3
Q19
2SK3018
D
S
G
1
2
3
Q19
2SK3018
CP291
CP291
R267
1KJ
R267
1KJ
IC12
74LVC1G07GW
IC12
74LVC1G07GW
NC
1
A
2
GND
3
Y
4
VCC
5
CP323
CP323
C151
1000pF(B)
C151
1000pF(B)
R265
47KJ
R265
47KJ
R976
D_2.2KJ
R976
D_2.2KJ
C144
1uF(1608:B)
C144
1uF(1608:B)
D40
D_LTST-C190KGKT
D40
D_LTST-C190KGKT
A
K
R301
X_1KJ
R301
X_1KJ
MFPC PWB (RESET SEQUENCE)
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