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270
UF-5500 / 4500
(1)
(2)
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(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
MONITOR_RX:
TONE
MONITOR_RX:
FAX-TX,RX:
MONITOR-RX
!
!
!
!
!
6
5
8
7
C
E
B
A
D
F
SPMUTE
1:1E
EXTRLY
1:3D
L217
NC
( )
R238
10k
R242
120k
RLY100
1
2
3
4
5
R229
NC
( )
R235
10k
DG
C232
K1u
+5VA
L219
NC
( )
DG
+5VA
R116
2.49k(1/2W)
L218
NC
( )
+3.3V
DG
HOOK
1:3D
C101
J100p
R225
NC
( )
DG
L225
R126
0(3216)
R234
NC
( )
R118
100k
+5VD
L220
DG
DG
R239
NC
( )
R241
150k
R236
1k
R240
10(3216)
R228
NC
( )
C231
K0.022u
R226
NC
( )
C233
K1u
C242
( )
NC
R227
NC
( )
DG
DG
C224
NC
( )
R117
100k
DG
R232
NC
( )
DG
+5VA
C236
6.3V/100u
CIDRLY
1:1E
C103
NC
( )
DG
C229
NC
( )
R237
12k
R128
NC
( )
+5VD
L226
D103
4
1
3
2
R233 NC
( )
C230
NC
( )
C243
NC
( )
R252
NC
( )
DG
L100
L101
L106
L102
L103
L105
D200
NC
( )
1
2
3
DG
L232
NC
( )
L233
NC
( )
L111
1mH
L110
1mH
DG2
D102
C113
0.01u/250V
250V
C246
NC
( )
L107 2
3
1
4
R125
NC
( )
R122
NC
( )
R133
J
L223
NC
( )
( )
( )
( )
L221
NC
L224
NC
L222
NC
C119
1u/250V
Q103
B
C
E
R129
12(1W)
R134
12(1W)
R135
J
ZNR100
NC
( )
R120
( )
NC
R132
NC
( )
R255
NC
R256
( )
( )
NC
C248
( )
( )
NC
C249
NC
C115
470p/250V
C114
470p/250V
Q105
B
C
E
Q104
B
C
E
D101 ( )
NC
A
K
D100
AK
D105
A
K
D104
A
K
L108
L109
C126
NC
( )
C112
K0.01u
C125
K0.01u
C228
NC
( )
C234
K3900p
SA102
RLY101
NC
1
2
3
4
5
Q106
B
E
C
CN201
1
SP+
2
SP-
R131
NC
( )
SA101
R123
120k(1/2W)
DG
+3.3V
R258
NC
( )
D106
NC
1
2
3
R124
J
Q101
( )
NC
Q202
( )
NC
Q100
R231
NC
( )
R230
NC
( )
CN200
NC
1 SP+
2 SP-
3 GND
4 HOOK
5 MIC-
6 MIC+
7 HSSP-
8 HSSP+
IC204
1 CD
2 FC2
3 FC1
4 VIN
5
VO1
6
VCC
7
GND
8
VO2
CN100
1
2
3
4
5
6
7
8
CN101
1
2
3
4
5
6
7
8
SA100
1
2
C226
NC
( )
C227
NC
( )
R250
R251
POS100
F100
4
-2
UF-4500 SCHEMATIC DIAGRAM (MAIN BOARD No.4) (2/2)
2/2
Summary of Contents for UF-4500
Page 180: ...180 UF 5500 4500 ...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Page 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Page 297: ...297 UF 5500 4500 ...
Page 305: ...305 UF 5500 4500 ...
Page 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Page 362: ...362 UF 5500 4500 ...