Sharp UX-B700 Service Manual

UX-B700U
FO-B1600U
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Control PWB circuit 1/7
Main control block
6 – 1
A A
B B
C C
D D
E E
F F
G G
H H
I I
6 6 5 5 4 4 3 3 2 2 1 1
CNCIS-5
A[18:0]
PWRDWN-
TPB-
TPA-
TPA
TPB
CNCIS-4
CNPN-2
CNPN-3
CNPN-4
CNPN
(1-2A)
-1
D[7:0]
VIN
PCLK PDAT PLAT
GACS-(3-4C) RAS- CAS-
DWR- INT
ENABLE
(1-1D)
CNLIUB-3
ENABLE
CNPN-12
CNPN-11
CNPN-10
CNPN-9
CNPN-8
CNPN-7
CLOCK
(4-4B)
+3.3V
VBAT
+3.3V
+3.3V
+3.3V
VBATn
DG
DG
D0
D1
D2
D3
D4
D5
D7
DG
(2-4G)
(2-5A)
DG
SEN3
SEN2
SEN1
SEN4
SEN0
DG DGDG
DG
D6
A0 A3 A13 A11 A15
(2-6A)
A8 A7 A18 A9 A16 A14 A17 A5 A4 A10 A12 A1 A6 A2
DG
DG
KEN1A
KEN4A
KEN2A
KEN3A
(2-2G)
(6-1E)
(5-5E)
(5-5E)
(5-5E)
(5-5E)
DG
(5-6D)
<G>
DG
DG
(2-4G) (2-4G)
DG
DG
<CS5>
<CS5n>
DG
RLYCNT
E
DG
C196 100pF
C219
0.1u/50V
RA5 33
5
18
7 6
2 3 4
<D>
C217
RA6 33
5
18
7 6
2 3 4
<L>
C231
DG
R216 470
R173
1K
RA3 33
5
18
7 6
2 3 4
C195
0.1u/50V
<K>
R212 270
C221
1u/10V
DG
C112
N.M.
C247
N.M.
C12
N.M.
R162 33
R193
0
C151
0.1u/50V
C109
N.M.
N.M.
R163 33
C170
0.1u/50V
R192 0
R148
10K
IC 16
SCE214(1/2)
TEST0
33
TEST1
32
D0
141
D1
142
D2
143
D3
144
D4
145
D5
146
D6
147
D7
148
A23
140
A22
139
A21
138
A20
137
A19
136
A18
135
A17
134
A16
131
A15
130
A14
129
A13
128
A12
127
A11
126
A10
125
A9
124
A8
123
A7
122
A6
121
A5
120
A4
118
A0
114
A3
117
A2
116
A1
115
RD
6
WR
5
ROMCS
3
SYNC/GPO20
4
REGDMA/GPO18/CLKDIV0
175
WAIT/GPO19/CLKDIV1
176
RAS
25
CAS
26
DWR
27
WRPROT
31
BATRST
34
VBAT
28
PWRDWN
36
INTPWRDOWNE
35
XOUT
30
XIN
29
VREFp
44
VREFn/CLREF
39
VIN
40
THADI
49
ALTTONE (BZ)
149
OPI0
19
OPI1
20
OPI2
21
OPI3
22
SM0
171
SM1
172
SM2
173
SM3
174
OPO0
12
OPO1
13
OPO2
14
OPO3
15
OPO4
16
OPO5
17
OPO6
18
SXIN
10
SXOUT
11
CLK2
69
START
67
STRB0
57
STRB1
58
STRB2
59
STRB3
60
PCLK
63
PDAT
62
PLAT
61
VSS
165
VSS
133
VSS
107
VSS
70
VSS
50
VSS
45
VSS
9
VSSPLL
2
TSTCLK
8
RESET
108
DEBUGn
7
VDDPLL
1
VDD
166
VDD
161
VDD
132
VDD
119
VDD
64
VDD
48
VDD
24
IVREFp
47
IVREFn
46
ADXG
43
ADGA
38,41
ADVA
42
LCDCS
23
VDD
97
CS3
54
FCS1
94
CS5
53
IRQ15n
55
R205 0
C149
0.1u/50V
R164 33
<A>
C246
R210
0
R169
1K
C223 1u/10V
R223 0
C200
R214 68
R228
10k
C227
32.768KHz
X3
R188
68
RA15 470
5
18
7
6
2
3
4
C218 1u/10V
R189 68
C228
C214
0.1u/50V
RA4 33
5
18
7 6
2 3 4
C150
R172
1K
C201
C245
RA16
470
5
18
7
6
2
3
4
R222 220K
C107
R213 270
C216 1u/10V
C202
<M>
R211 270
<F>
C215
1u/10V
C244
C198
22p/50V
C220 1u/10V
<J>
C197
22p/50V
<C>
R208 270
C222 1u/10V
C171
0.1u/50V
C108
N.M.
<H>
C148
0.1u/50V
C106
<I>
R170
1K
<E>
C105
<B>
R215
10M
R207 150
C232
C243
C230
100pF x 6
R191 0
<CISCLK>
CISCLK
<T>
BZOUT1
<BATRST>
<BATRSTn>
0.1u/50V
1u/10V
(4-4B) (4-4B) (4-4B)
RD-(2-3A)(4-4C)
WR-(2-3A)(4-4C)
ROMCS-(2-4A) FLCS-(2-4D)
RLYCNT
(6-2A)
(4-4C)

Sharp UX-B700 Specifications

General

Brand	Sharp
Model	UX-B700
Category	Fax Machine
Language	English