Kenwood NXR-700 Service Manual page 125

P
RX UNIT (X55-3092-72)
OP-AMP
LMC7101BIM5
1
OUTPUT
2
V+
3 INPUT+
R26
0
FREQUENCY
CONTROL
R43
0
R27
0
FREQUENCY
CONTROL
R400
0
R11
680
R12
680
2SC4116(BL)F
RF AMP
Q3
KTC4075E-P(GR
1.61V
L10
C25
0.1u 680n
1.06V
Q
SCHEMATIC DIAGRAM
R120 R128
10k 100
IC6
VCO_A:203M 2.31V
VCO_B:217M 2.22V
CN63
5
V-
CV1
4
INPUT-
C175
100p
FREQUENCY
CONTROL
D5
1SV283-KENW,E
L17 C92
10u
7p(B)
C668
7p
L24
10u
FREQUENCY
CONTROL
FREQUENCY
CONTROL
D6
L18 1SV283-KENW,E
C93
10u
7p
C669
8p
L25
10u
FREQUENCY
CONTROL
RIPPLE
FILTER AMP
8.12V
Q6
2SC4116(BL)F
R23 R46
0 33
R33 R40
1k 1k
VCO_A:3.9V
VCO_B:3.75V
C58 C67
47u10 47u10
PLL ACTIVE
FILTER AMP
R38
Q4
2SC4116(BL)F
100
VCO_A:1.13V
VCO_A:0.64V
VCO_B:1.13V
VCO_B:0.64V
Q2
PLL ACTIVE
FILTER AMP
5V
L20 L23
C64 C87
0.1u 27u 27u 0.1u
R47
1k
R
RIPPLE
FILTER AMP
R64 2SC4116(BL)F
0
8.15V
L27
R433 C113
330 10u 7p(B)
C665
8p(B)
OSCILLATOR
Q7
L28 2SK508NV(K53)
C142
5.5T 0.5p
VCO_A:1.51V
VCO_B:1.78V
DC SW
VCO_A
2SC4116(BL)F
L29
R434 C114
330 10u 7p
C662
8p
OSCILLATOR
Q8
L30
2SK508NV(K53) C143
4.5T 0.5p
VCO_A:1.77V
VCO_B:1.54V
SSM3K15TE(F)
VCO_B
2SC4116(BL)F
R436
4.7k
R44
0
L42
L26 33n
1u R57
47
C102
1000p
6 20
5V
CP
AVDD1
7 19 R65
AVDD2 RSET
8 18 6.8k
REFIN VP
9 17
5V
DGND1 DVDD2
10 16
DGND2 DVDD1
IC5 R73
ADF4111BCP7
100k
FREQUENCY PLL
S
NXR-700
9V
Q9
R90
33
R71
1k
R77
47
R97
10
8.88V
C187
Q10
1.55V
15p
RF AMP
R83
Q17
4.7k 2SC3356-A(R24)
0.81V
R78
47
Q14
DC SW
DC SW
Q11
R84
4.7k
Q59
SSM3K15TE(F)
DC SW
R435
47k
Q61 Q60
SSM3K15TE(F) SSM3K15TE(F)
DC SW DC SW
RF AMP
5V
Q16
L45
C156 2SC3356-A(R24)
1.55V
33n
18p
1.18V
L48
R72
2.2 1u
R85
33k
Q13
0V
2SA1832F
DC SW
Q15
SSM3K15TE(F)
DC SW
T
L60
C220
33n 15p
L61
C214
33n 15p
L62
10n
PLL
INDICATOR
Q56
SSM3K15TE(F)
DC SW
123
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