Kenwood NXR-800 Service Manual page 130

U
NXR-800
R377
OP-AMP
IC33
LMC7101BIM5
1 5
OUTPUT V-
2
V+
3 INPUT+ 4
INPUT-
C618
100p
FREQUENCY
CONTROL
D11
KV1470-G
RF AMP
4.88V
Q22
C274
2SC4617(R)
1.61V
L73
C225
0.047u
0.047u 220n
1.06V
118
X55-310 5/6
V
SCHEMATIC DIAGRAM
R379
0 100
W:2.65V
N:2.65V
CN64
CV2
8.11V
R405
15k
C315
27p
OSCILLATOR
Q24
L93
C277 2SK508NV(K52)
1000p 100n
L87
10u
FREQUENCY
CONTROL
R147 R154 R159 R161
270 0 0 0
L101
1.5u
6
5.06V
AVDD1
7
AVDD2
L89 L96
C316 8
REFIN
390n 390n
0.047u 9
DGND1
10
DGND2
IC11
ADF4111BCP7
FREQUENCY PLL
W
RIPPLE
FILTER AMP
Q27
R167 2SC4116(BL)F R201
0 33
R183 R193
1k 1k
L115
C331 R184 C361
0 1000p 82n
2p
0.89V
1.5V
L114 L118
C400
68n 68n 22p
R177
47
C330
1000p
20
CP
19 R194
RSET
L121
4.7k
18 R202
VP
17 2.2 1.5u
5.06V
DVDD2
16
DVDD1
R203
100k
2SA1832F
DC SW
X Y
R210
10
R236
18
C408 R223
22p 18
R237
18
8.9V
1.58V
RF AMP
Q33
2SC4725
RF AMP
4.95V
Q38
2SC4725
1.58V
0.94V
R211
100k
Q34
2.4mV
Q37
SSM3K15TE(F)
DC SW
RX UNIT (X55-3100-10)
C437
1000p