269
UF-5500 / 4500
14.3.4. Main Board (4)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(10)
(9)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
MONITOR_RX:
TONE
MONITOR_RX:
FAX-TX,RX:
FAX-TX
FAX-RX
I
C
3
0
0
!
!
!
C
E
B
A
D
F
3
4
5
2
1
L208
NC
( )
( )
R214
0
+5VD
R208
100
C217
NC
( )
( )
C111
K2700p
C203 K0.022u
C108
K0.1u
C201
K0.1u
ASPCLK
1:4B
+3.3V
DG
C102
K0.1u
L212
NC
BTXD
1:4A
DG
L211
R103
F1M
R119
47k
R108
3.65k(1/2W)
+5VA
R104
1.07k(1/2W)
C207
Z0.1u
DG
RING
1:1D;1:4A
R107
5.1M(2125)
R212 22k
DG
C209
6.3V/330u
C216
NC
VREF
AFECLK
1:4B;1B
+3.3VA2
HSSPMUTE
1:1D
ABITCLK
1:4B
R217
180k
R210 8.2k
R223
NC
( )
R206
NC
( )
R244
47k
DG
R200
150k
C210
K0.1u
C200
6.3V/100u
DG
AINT
1:4B
+5VA
C220
K1000p
L209
C214
( )
NC
DP
1:4A
R224 NC
( )
R105
0
IC202
1 AOUT
2 A-IN
3 A+IN
4 V-
5
B+IN
6
B-IN
7
BOUT
8
V+
BSPCLK
1:4B
C107
K0.1u
VREF
L204
DG
R219
NC
( )
ARXD
1:4B
+3.3VA1
+3.3VA1
C100
K0.1u
DAOUT
1:1E;3:4A
+3.3VA2
R115
73.2(1/2W)
L210
L203
NC
( )
R111
150
R106
5.1M(2125)
DG
C205 K0.1u
L215
AFECLK
1:4B;1E
DG
DG2
BBITCLK
1:4B
R222
180k
+3.3V
DG
+3.3VA1
C208
K0.1u
DG
ATXD
1:4A
BRXD
1:4A
R201
150k
C213
K1000p
AFERST
1:4A;1C
DG
C106
50V/1u
+3.3VA2
DG
AFERST
1:4A;1E
DG
DG
C245
K0.1u
L213
NC
( )
L214
NC
( )
L229
NC
( )
L230
NC
( )
R245
3.3k
R114
F536(3216)
IC101
1 QE
2 DCT
3 RX
4 IB
5 C1B
6 C2B
7 VREG
8 RNG1
9
RNG2
10
VREG2
11
SC
12
QE2
13
QB
14
DCT3
15
IGND
16
DCT2
IC100
1
MCLK
2 *FSYNC
3
SCLK
4
VD
5
SDO
6
SDI
7
FC/*RGDT
8
*RESET
9
C2A
10
C1A
11
AOUT/*INT
12
GND
13
VA
14
M0
15
*RGDT/FSD/M1
16
*OFHK
IC200
1
SPKRR
2
MBIAS
3
HDST
4
SDI
5
SDO
6
*FSYNC
7
MCLK
8
SCLK
9
*RESET
10
MIC
11
LINEI
12
VD
13
VA
14
GND
15
LINEO
16
SPKRL
R112
15M
R113
15M
L202
0(1608)
C110
120p
C109
120p
R253
8.2k
C247
K0.022u
DG
R254
1M
CNGMUTE
1:3E
R110
NC
( )
R109
NC
( )
C120
K0.01u
C244
K0.01u
C105
33p/250V
C104
33p/250V
Q102
B
C
E
C222
( )
NC
R102
R101
R136
56(1608)
R137
56(1608)
C121
10p/250V
C123
NC
( )
C122
NC
( )
L227
0(1608)
L200
0(1608)
R130
NC
( )
+3.3VA1
DG
DG
+3.3V
R257
NC
( )
C221
NC
( )
Q201
( )
NC
Q200
R221
NC
( )
C218
NC
( )
C219
NC
( )
R260
NC
( )
DG
Q203
NC
HSSPMUTE2
1:1D
R207
NC
( )
C206
NC
( )
C204
NC
( )
R211 NC
( )
R259
NC
( )
C250
NC
( )
IC203
1 CD
2 FC2
3 FC1
4 VIN
5
VO1
6
VCC
7
GND
8
VO2
C202
NC
( )
R220
0
1/2
4
-1
UF-4500 SCHEMATIC DIAGRAM (MAIN BOARD No.4) (1/2)
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 ...