Kenwood NXR-700 Service Manual page 109

F
RX UNIT (X55-3090-XX)
RF SW
D9
JDP4P02U
L35
3 2
C140
3.3u
4 1
0.01u
W:4.8V W:4.7V
K K2
N:0V 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 W:0V
K K2
N:4.8V N:4.7V
1
2
3
8
L34-4749-05
Q25
SSM3J01F
DC SW
DC SW
Q26
SSM3K15TE(F)
L106 L110
C585
150n 150n
47p
L11 L13 C59
1.2u 1.2u
0.1u
X55-3090-XX L131 R227 R233
-10 K 150n 100 68
-11 K2 560n NO 0
G
SCHEMATIC DIAGRAM
W:7.4V
K
N:0V
W:7.3V
W:3.6V K2
N:0V
XF1 N:0V
L71-0646-05
C149 C166 C173 L58
180n
W:1.2V
18p 18p 0.01u
N:0V
7
7
1
6 6
2
4 4
3
8
L46 L52
L34-4749-05
W:-99dBm
N:-99.5dBm
W:0V
K
N:7.4V
W:0V
W:0V
K2
N:7.3V
XF2 N:3.6V
L71-0645-05
C150 C167 C174 L59
180n
W:0V
18p 18p 0.01u
N:1.2V
7 7
1
6 6
2
4 4
3
8
L47 L53
L34-4749-05
R213
K:3.1V
56k
K2:3.0V 4.9V
Q32
C391
SSM3J01F
DC SW
2.3V
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
K:3.1V
56k
K2:3.0V 4.9V
C392
K:2.4V
K2:2.3V
Q36
0.01u
2SC4725
C416
RF AMP
0.01u
R32
100k
CF1
5V 4.1V
L72-1019-05
L34
C77 R42 R53
3.5V
12u
Q5 0.1u 0 0
2SC4617(R)
RF AMP
R235 C349 C367 C673 C674
100 120p 56p 47u25 47u25
NO 68p 33p 33u16 33u16
H
XF3
RF AMP
L71-0648-05
C234 C241
Q19
RD01MUS1
27p 15p
7
7
1
6
6
2
4 4
3
8 8
L74 L90
L34-4748-05 L34-4748-05
WIDE
XF4
RF AMP
L71-0647-05
Q20 C235 C242
RD01MUS1
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
C450
C444 0.47u
0.047u
IF SYSTEM
IC13
AD607Z
VCC=5V
R232
10
R263
C463
18k
*
R233
0.47u
R86
100k
K:5.0V
K:2.5V
K2:4.9V
K2:2.4V
1.8V
L37
R357 C144
Q12
2SC4617(R)
12u
470 0.1u
R68 RF AMP
3.9k
I
NXR-700
W:3.3V
K
N:0V
W:3.2V
W:7.8V
K2
N:0V
N:0V
W:2.2V W:2.1V
K K2
RF AMP
N:0V N:0V
C288 C307 L98
3SK317-E
W:1.2V
1.8u
N:0V
15p 0.01u
3
1 4
2
2
6
3
1
C318
L94
0.01u
L39-1476-05
L140
390n
W:0V
K
N:7.9V
W:0V
W:0V
K2
N:3.2V
N:7.8V
W:0V W:0V
K K2
RF AMP
N:2.2V N:2.1V
C289 C308 L99
3SK317-E
W:0V
1.8u
15p 0.01u N:1.2V
3
1 4
2 2
3 6
1
C319
L95
0.01u
L39-1476-05
L141
390n
TEMPERATURE SENSOR
C466
0.047u R281
10k
OP-AMP
CF6
L72-1028-05
R273 C478 R280
10k
1.5k 0.47u
DDS
IC7
5V
AD9835BRUZ
C188 16
FSADJUST
CoMP
0.01u 15
REFIN
AVDD
14
REFoUT
IoUT
13
DVDD
AGND
12
DGND
R99 330
PSEL0
11
MCLK
PSEL1
C160
R100 0 10
SCLK
FSELECT
9
0.1u
SDAT
FSYNC
J
L112
L39-1476-05
1
6
Q28
2
4
3
L108
47n
L113
L39-1476-05
1
6
Q29
2
4
3
L109
47n
IC35
LM50BIM3/NOPB
2 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
K:5V
K2:4.5V
1
2
3
4
5
6
7
8
97
X55-309 2/6