Read Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man8) Service Manual online
MX-C300W CIRCUIT DIAGRAM AND PARTS LAYOUT 2 – 14
3
3
2
2
1
1
D
C
B
A
LAN_TXN
LED1_CATHODE
LED1/REGOFF
LAN_TXP
LAN_TXN
LAN_TXN
LAN_RXP
LAN_RXN
LED2_G_CATHODE
LAN_RXN
LAN_RXP
LAN_TXP
LED2/nINTSEL
DGND
DGND
DGND
DGND
DGND
DGND
DGND
3R3V
DGND
DGND
3R3V_PHY
DGND
DGND
DGND
DGND
DGND
DGND
DGND
3R3V_PHY
FGND1
3R3V_PHY
3R3V_PHY
8
30
8
30
8
30
CP354
CP354
R198
49.9F(1608)
R198
49.9F(1608)
R199
49.9F(1608)
R199
49.9F(1608)
LAN8710A-EZK
LAN8710A-EZK
CLK
D0
D1
D2
D3
D1
D2
D3
EN(PD)
T/TXER(PU)/TXD4(PU)
CLK/PHYAD1(PD)
D0/MODE0(PU)
D1/MODE1(PU)
D2/RMIISEL(PD)
D3/PHYAD2(PD)
D1/MODE1(PU)
D2/RMIISEL(PD)
D3/PHYAD2(PD)
DV
ER/RXD4/PHYAD0(PD)
L/CRS_DV/MODE2(PU)
S(PD)
C
O
ST(PU)
GND_EP
33
VDDIO
12
VDD2A
1
VDD1A
27
VDDCR
6
LED1/REGOFF(PD)
3
TXP
29
TXN
28
RXP
31
RXN
30
LED2/nINTSEL(PU)
2
XTAL1/CLKIN
5
XTAL2
4
RBIAS
32
C273
X_0.1u/50v:B(1608)
C273
X_0.1u/50v:B(1608)
:B
:B
C
269
X_10p/
50v:
C
H
C
269
X_10p/
50v:
C
H
CP346
CP346
CP351
CP351
CP314
CP314
C261
0.1u/10v:B
0.1u/10v:B
C261
0.1u/10v:B
0.1u/10v:B
L15
PZ1608U121-2R0TF(1608)
L15
PZ1608U121-2R0TF(1608)
C274
33p/50v:CH
33p/50v:CH
C274
33p/50v:CH
33p/50v:CH
RJ7
X_PADSHORT
RJ7
X_PADSHORT
C
268
X_10p/
50v:
C
H
C
268
X_10p/
50v:
C
H
C
267
0.
01u/
25v:
B
C
267
0.
01u/
25v:
B
C262
1u/10v:B(1608)
1u/10v:B(1608)
C262
1u/10v:B(1608)
1u/10v:B(1608)
L43
PZ1608U121-2R0TF(1608)
L43
PZ1608U121-2R0TF(1608)
C275
33p/50v:CH
33p/50v:CH
C275
33p/50v:CH
33p/50v:CH
GP6
GP6
R218
0J
R218
0J
R206
49.9F(1608)
R206
49.9F(1608)
X3
HC-49SMD_25MHz_20pF(2Pads)
HC-49SMD_25MHz_20pF(2Pads)
X3
HC-49SMD_25MHz_20pF(2Pads)
HC-49SMD_25MHz_20pF(2Pads)
L16
X_PZ1608U121-2R0TF(1608)
L16
X_PZ1608U121-2R0TF(1608)
YELLOW
GREEN
ORANGE
CN4
RTA-314A1D1F
YELLOW
GREEN
ORANGE
CN4
RTA-314A1D1F
CT(TD)
P1
TD+
P2
TD-
P3
CT(RD)
P6
RD+
P4
RD-
P5
LED(RIGHT)K
P7
LED(RIGHT)A
P8
LED(LEFT)K
P9
LED(LEFT)A
P10
FG1
FG1
FG2
FG2
CP315
CP315
C
272
0.
01u/
25v:
B
C
272
0.
01u/
25v:
B
C259
0.1u/10v:B
0.1u/10v:B
C259
0.1u/10v:B
0.1u/10v:B
L42
PZ1608U121-2R0TF(1608)
L42
PZ1608U121-2R0TF(1608)
GP5
GP5
R203
49.9F(1608)
R203
49.9F(1608)
IC28
X_RClamp0524J
IC28
X_RClamp0524J
IN1
1
IN2
2
IN3
3
IN4
4
OUT4
5
OUT3
6
OUT2
7
OUT1
8
GND
9
GND
10
R211
470J
R211
470J
C
270
X_10p/
50v:
C
H
C
270
X_10p/
50v:
C
H
C263
470p/50v:B
470p/50v:B
C263
470p/50v:B
470p/50v:B
CP356
CP356
R219
12.1KF
12.1KF
R219
12.1KF
12.1KF
C260
0.1u/10v:B
0.1u/10v:B
C260
0.1u/10v:B
0.1u/10v:B
C258
10u/10v:B(2012)
10u/10v:B(2012)
C258
10u/10v:B(2012)
10u/10v:B(2012)
C
271
X_10p/
50v:
C
H
C
271
X_10p/
50v:
C
H
R191
470J
470J
R191
470J
470J
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