Kenwood NXR-800H Service Manual page 189

Uhf digital base-repeater
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F
SCHEMATIC DIAGRAM /
RX UNIT (X55-3102-71) : C
RF SW
D9
JDP4P02U
L35
3
2
3.3u
C140
4
1
0.01u
W:4.7V
N:0.6mV
1
2
3
8
L46
L34-4749-05
C572
0.01u
RF SW
D10
JDP4P02U
4
1
C141
3
2
0.01u
W:0.7mV
N:4.7V
1
2
3
8
L47
L34-4749-05
Q25
SSM3J01F
DC SW
DC SW
Q26
SSM3K15TE(F)
C585
L106
L110
150n
150n
1000p
5.1V
3.5V
L11
L13
C59
1.2u
1.2u
0.1u
G
RF AMP
W:3.7V
Q19
XF1
N:5.2mV
RD01MUS1-T113
L71-0661-05
L58
C149
C166
C173
180n
22p
22p
0.01u
W:1.2V
N:5.1mV
7
7
1
6
6
2
4
4
3
8
L52
L34-4749-05
CN46
W:-104.1dBm
R350
N:-102.1dBm
220
RF AMP
W:5.2mV
Q20
XF2
N:3.7V
RD01MUS1-T113
L71-0660-05
L59
C150
C167
C174
180n
0.01u
18p
18p
W:5.2mV
N:1.2V
7
7
1
6
6
2
4
4
3
8
L53
L34-4749-05
4.9V
R213
56k
3.1V
Q32
SSM3J01F
C391
DC SW
2.3V
Q35
0.01u
2SC4725
C415
RF AMP
0.01u
Q31
SSM3K15TE(F)
DC SW
L116
C407
150n
56p
C373
0.01u
L117
C402
150n
56p
4.9V
R214
56k
3.0V
C392
2.3V
Q36
0.01u
2SC4725
C416
RF AMP
0.01u
R32
100k
CF1
2.4V
L72-1019-05
L34
C77
R42
R53
12u
Q5
0
0
0.1u
2SC4617(R)
RF AMP
H
原理图
W:7.4V
N:0.5mV
XF3
L71-0648-05
C234
C241
C288
R459
0
27p
15p
7
7
1
6
6
2
4
4
3
8
8
L74
L90
L34-4748-05
L34-4748-05
WIDE
W:0.5mV
N:7.3V
XF4
L71-0647-05
C235
C242
C289
R462
0
27p
15p
7
7
1
6
6
2
4
4
3
8
8
L75
L91
L34-4748-05
L34-4748-05
NARROW
R230
10
CF4
L72-1027-05
R231
68
2.5V
C444
0.047u
0.047u
IF SYSTEM
IC13
AD607Z
R232
10
R263
C463
18k
R233
0.47u
0
R86
100k
5.0V
2.4V
C160
1.8V
L37
C144
R357
0.1u
Q12
2SC4617(R)
12u
470
0.1u
RF AMP
R68
3.9k
I
NXR-800H
W:7.8V
N:0.5mV
W:3.2V
N:0.6mV
W:2.2V
RF AMP
N:0.8mV
C307
L98
3SK317-E
W:1.2V
1.8u
15p
0.01u
N:0.4mV
L108
3
47n
1
4
2
2
6
3
1
C318
L94
0.01u
L39-1476-05
L136
390n
W:0.5mV
N:7.8V
W:0.6mV
N:3.2V
W:0.6mV
RF AMP
N:2.2V
L99
C308
3SK317-E
W:0.6mV
1.8u
0.01u
15p
N:1.2V
L109
47n
3
1
4
2
2
3
6
1
C319
L95
0.01u
L39-1476-05
L137
390n
TEMPERATURE SENSOR
C466
R281
10k
VCC=5V
OP-AMP
CF6
L72-1028-05
C478
R273
R280
10k
1.5k
0.47u
DDS
IC7
AD9835BRUZ
5.1V
C188
16
1
FSADJUST
CoMP
15
2
0.01u
REFIN
AVDD
14
3
REFoUT
IoUT
13
4
DVDD
AGND
12
5
DGND
R99
330
PSEL0
11
6
MCLK
PSEL1
R100
0
10
7
SCLK
FSELECT
9
8
SDAT
FSYNC
X55-3102-71 2/6
J
L112
L39-1476-05
1
6
Q28
2
4
3
L113
L39-1476-05
1
6
Q29
2
4
3
IC35
LM50BIM3/NOPB
2
1
Vo
+VS
GND
3
C518
0.1u
C519
470p
R292
C652
0
0.1u
VOLTAGE
REGULATOR
IC22
XC6204B332M
4
3
NC
CE
2
VSS
5
1
VOUT
VIN
C516
0.047u
C517
10u
3.3V
5.1V
177

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