Kenwood NXR-800 Service Manual page 66

U
NXR-800
R377
0
OP-AMP
IC33
LMC7101BIM5
1 5
OUTPUT V-
2
V+
3 4
INPUT+
INPUT-
C618
100p
FREQUENCY
CONTROL
D11
KV1470-G
RF AMP
4.9V
Q22
2SC4617(R) C274
1.6V
L73
C225
0.047u
0.047u 220n
1.1V
66
X55-310 5/6
V
SCHEMATIC DIAGRAM
R379
100
W:2.65V
N:2.65V
CN64
CV2
8.1V
R405
15k
C315
27p
OSCILLATOR
Q24
L93
C277
2SK2539-7
100n
1000p
L87
10u
FREQUENCY
CONTROL
R147 R154 R159 R161
270 0 0 0
L101
1.5u
6
5.1V
AVDD1
7
AVDD2
L89 L96
C316 8
REFIN
6.8u 6.8u
9
0.047u
DGND1
R163 10
DGND2
1k
IC11
ADF4111BCP7
FREQUENCY PLL
W
RIPPLE
FILTER AMP
Q27
2SC4116(BL)F R201
R167
33
0
R183 R193
1k 1k
L115
C331 C361
R184
0 82n
1000p
2p
1.5V
L114 L118
C400
68n 68n
22p
R177
47
C330
1000p
20
CP
19 R194
RSET
18 4.7k R202
VP
17 2.2
5.1V
DVDD2
16
DVDD1
R203
100k
2SA1832F
DC SW
X Y
R210
10
R236
18
C408
R223
22p 18
R237
18
8.9V
1.6V
RF AMP
Q33
2SC4725
0.9V
RF AMP
5.0V
Q38
2SC4725
1.6V
0.9V
L121
1.5u
R211
100k
2.4mV
Q34
Q37
SSM3K15TE(F)
DC SW
RX UNIT (X55-3100-13)
C437
1000p