Kenwood NXR-700 Service Manual page 123

F
RX UNIT (X55-3092-72)
RF SW
D9
JDP4P02U
L35
3 2
3.3u C140
4 1
0.01u
W:4.75V
N:0V
E2
1
F10-2409-04
2
L32
C117
3
8
82n
120p
L34-4749-05
CN46
C572
R350
220
0.01u
RF SW
D10
JDP4P02U
4 1
C141
3 2
0.01u
W:0V
N:4.75V
1
2
3
L34-4749-05
Q25
SSM3J01F
DC SW
DC SW
Q26
SSM3K15TE(F)
L106 L110
C585
1000p 150n 150n
L11 L13
C59
1.2u 1.2u
0.1u
G
SCHEMATIC DIAGRAM
W:7.36V
W:3.64V
N:0V
XF1
N:0V
L71-0646-15
L58
C149 C166 C173
180n
18p 18p 0.01u W:1.18V
N:0V
7
7
1
6 6
2
4 4
3
8
L46 L52
L34-4749-05
W:-99dBm
N:-99.5dBm
W:0V
W:0V N:7.36V
XF2
N:3.64V
L71-0645-15
L59
C150 C167 C174
180n
18p 18p 0.01u W:0V
N:1.18V
7 7
1
6 6
2
4 4
3
8
8
L47 L53
L34-4749-05
R213
56k
3.06V 4.91V
Q32
SSM3J01F C391
DC SW
2.33V
0.01u
Q35
2SC4725
C415
RF AMP
0.01u
Q31
SSM3K15TE(F)
DC SW
L116
C407
150n
56p
C373
0.01u
L117
C402
150n
56p
R214
56k
3.1V 4.92V
C392
2.38V
0.01u Q36
2SC4725
C416
RF AMP
0.01u
R32
100k
CF1
5V 4.11V
L72-1019-05
L34
C77 R42 R53
3.52V
12u
Q5 0.1u 0 0
KTC4075E-P(GR
RF AMP
H
XF3
RF AMP
L71-0663-05
Q19 C234 C241
R459
RD01MUS1-T113
0
27p 22p
7 7
1
6 6
2
4 4
3
8 8
L74 L90
L34-4749-05 L34-4749-05
WIDE
XF4
RF AMP
L71-0662-05
Q20
C235 R462 C242
RD01MUS1-T113
0
27p 22p
7
7
1
6 6
2
4
4
3
8
8
L75 L91
L34-4749-05 L34-4749-05
NARROW
R230
10
CF4
L72-1027-05
R231
68
C450 C466
C444 0.47u 0.047u
0.047u
IF SYSTEM
IC13
AD607Z
VCC=5V
R232
10
R263
C463
18k
R233
0.47u
0
R86
100k
4.98V
2.46V
1.82V
L37
R357 C144
Q12
KTC4075E-P(GR
12u
470 0.1u
R68 RF AMP
3.9k
I
NXR-700
W:7.84V
W:3.25V
N:0V
N:0V
W:2.15V
RF AMP
N:0V
Q28
C288 C307 L98
3SK317-E
W:1.21V
1.8u
22p 0.01u N:0V
L108
3
47n
1
4
2 2
3 6
1
C318
L94
0.01u
L39-1476-05
L140
390n
W:0V
W:0V
N:7.85V
N:3.22V
W:0V
RF AMP
N:2.15V
Q29
C289 C308 L99
3SK317-E
W:0V
1.8u
27p 0.01u
N:1.2V
L109
47n
3
1 4
2 2
3 6
1
C319
L95
0.01u
L39-1476-05
L141
390n
TEMPERATURE SENSOR
2
R281
10k
OP-AMP
CF6
L72-1028-05
R273 C478 R280
10k
1.5k 0.47u
DDS
IC7
5V
AD9835BRUZ
C188 16 1
FSADJUST
CoMP
0.01u 15 2
REFIN
AVDD
14 3
REFoUT
IoUT
13 4
DVDD
AGND
12 5
DGND
R99 330
PSEL0
11 6
MCLK
PSEL1
C160
R100 0 10 7
SCLK
FSELECT
0.1u 9 8
SDAT
FSYNC
J
L112
L39-1476-05
1
6
2
4
3
L113
L39-1476-05
1
6
2
4
3
IC35
LM50BIM3/NOPB
1
Vo +VS
GND
3
C518 0.1u
C519 1000p
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
5V
121
X55-309 2/6