Read Sharp AR-235 (serv.man5) Service Manual online
AR-235/275 CIRCUIT DIAGRAM - 23
JP101 OPEN:JBIG IC PLL ON
(11-B3)
(3-B2)
SDA
MEMCLK
STBY
1
GND
2
OUT
3
VCC
4
STBY
1
GND
2
OUT
3
VCC
4
XIN
1
XOUT
2
S1
3
LF
4
VSS
5
FSOUT
6
S0
7
VDD
8
VCC
1
RXD2
2
TXD2
3
RCRDY
4
GND
5
1
1
1
BUFIN
9
SCLOCK
15
SDATA
14
VDD
1
VDD
5
VDD
13
VDD
20
VDD
24
VDD
28
GND
4
GND
8
GND
16
GND
17
GND
21
GND
25
SDRAM0
2
SDRAM1
3
SDRAM2
6
SDRAM3
7
SDRAM4
10
SDRAM5
11
SDRAM6
18
SDRAM7
19
SDRAM8
22
SDRAM9
23
SDRAM10
26
SDRAM11
27
SDRAM12
12
R258
10
R108
10
R107
3.3K
C127
10000p
C257
0.1u
X102
33.3MHz
R105
22
X101
56.3MHz
C120
0.1u
IC115
FS781
CN3
B5B-PH
R206
0
R207
0
R205
10K
R209
10K
C150
0.1u
L209
Chip B
R106
22(NP)
JP100
2.5mm(NP)
R102
33
C119
47p
C216
1000p
C134
1000p
C136
15p
R204
0(NP)
R208
0
L106
Chip B
TP113
TP114
TP115
IC121
W40S11
C141
22u/10V
+
C258
0.1u
L101
Chip B
C151
0.1u
C152
0.1u
C137
0.1u
C133
0.1u
C135
0.1u
R259
10
R260
10
R261
10
R262
10
R263
10
R272
10
R271
10
R270
10
R269
10
R268
10
C141A
22u/10V(NP)
+
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
VCC5
VCC3
VCC3
SDA
MCK1-0
MCK1-1
MCK1-2
MCK1-3
MCK2-0
MCK2-1
MCK2-2
MCK2-3
SDRAMCLK
PAGEMCLK
ASICCLK
SCL
OSCSTBY
OSCSTBY
VCLK
JBIGCLK
RXD1B
RCRDY
TXD1B
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
CLK-DRIVER
10/11
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