Sharp FO-475TH Fax Machine User Manual


 
6 – 6
UX-258TH
FO-475TH
Analog signal block 6/6
1
2
6
4
3
5
BDEFG
I
HCA
BDEFG
I
HCA
1
2
6
4
3
5
+5V
16
6
7
IC10
4053
C180
0.1
DG
VCC
GND
VEE
ENABLE
+5V
16
7
IC6
4053
C164
0.1
DG
VCC
GND
+
+
A
+
+
A
+
A
+
6
88
IC5
4051
C186
2200P
R212
5.6K
VREF
IC12
2902
7
6
5
R188
3.3K
DG
(1-1D)
R118
10K
+5V
R236
N.M.
R232
N.M.
C11
R229
N.M.
R216
1K
R187
47K
C187
473C
C227
N.M.
MICIN
TELOUT
VREF
DG
DG
DG
CNMIC-1
CNMIC-2
10
2
1
15
0
1
C
R217
10K
B
(6-2A)
(3-3H)
(3-3H)
TXCONT
ALARM
TXA1
TXA2
+5V
TXOUT
CNLIUA-8
R204
4.7K
C163
1000P
R206
R209
39.2K
N.M.
R208 8.2K
R207 8.2K
R202
33K
C179
0.22
C182
0.22
R180
3.3K
C178
0.01
DGDG
(1-1D)
GAINC
14
1
0
C185
1000P
R214
68.1K
VREF
IC12
2902
1
2
3
B
11
4
1
0
(3-4H)
RXIN
CNLIUA-7
EXSIG
CNLIUB-1
C143
0.1
R167
68.1K
R165
3.9K
R163
N.M.
R166
0
IC6
4053
3
5
C140
0.1
RIN
(1-4A)
RXCONT
(1-3A)
MONITOR
4
0
1
9
C177
0.1
R203
10K
C200
R237
68K
N.M.
1
2
3
VREF
C176
0.1
C198
0.1
R233
20K
R234
20K
(3-1D)
RCVOL
14
1
0
11
R205
C201
1000P
R240
47K
14
13
12
2
1
0
1
10
15
R186
20K
R184
33K
R182
47K
R160
100K
R181
220K
R159
330K
R183
470K
R185
1M
13
14
15
12
1
5
2
4
+5V
C139
0.1
DG
16
6,7,8
11
10
9
C230
0.1
R161
3K
+5V
4
2
3
5
8
7
1
C141
330P
R162
150K
R138
10K
DGDG DG
C6
4.7/50
C4
1/50
6
SP+
SP–
SPMUTE
VOL A
VOL B
VOL C
BZOUT
BZCONT
(1-1E)
CNSP-1
CNSP-2
(1-5A)
(3-1C)
(3-1C)
(3-1C)
(1-1F)
X0
X1
X2
X3
X4
X5
X6
X7
X
VDD
A
C
B
R137
10K
C124
0.01
R139
1.5K
C142
4700P
DGDG
(6-5A)
ALARM
C162
N.M.
R179
10K
13
12
R201
N.M.
R231
R230
20K
R210
10K
IC6
4053
IC10
4053
IC10
4053
IC11
2902
IC11
2902
+5V
VREF
R246
33K
R213
33K
C184
1
DG
+24VA
TELIN
CNLIUA-2
C183
1
C232
0.1
DG DG DG
R140
10K
R178
10K
C165
0.1
5
3
C181
0.1
R241
1.5K
CNMIC-3
CNLIUA-1
C166
DG
IC6
4053
IC11
2902
7
6
5
C
13
12
4
11
IC10
4053
IC4
MC34119
R164
100K
9
N.M.
N.M.