Sharp FO-475TH - Manual (Page 59)

6 – 6
UX-258TH
FO-475TH
Analog signal block
6/6
1 2 6 4 3 5
BD
E
F
G
I
H
C
A
BD
E
F
G
I
H
C
A
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 8
8
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
DG
DG
(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
DG
DG
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
DG
DG
(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.