Kenwood NXR-901 Service Manual page 185

900mhz digital base-repeater ocxo unit kxk-3 m3
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P AMP
R49
0
R47
0
L12
R36
C74
1u
270
5p
Q5
2SK508NV(K53)
L10
35.5n
OSCILLATOR
NCY
L
VCO
C140
C141
C142
C143
4p
3p
4p
4p
R30
0
6
CPoUTMAIN
5
VCCCPMAIN
4
R42
LD/PSMAIN
1k
3
FVCoMAIN
2
FVCoMAIN
L14
1
R41
VCCECT/CML
10
33PLL1
R67
0
Q6
2SC4116(BL)F
R64
33
RIPPLE FILTER
AMP
R48
R63
1k
1k
R65
100
C73
R59
8.26V
0.5p
100
C97
3.15V
2.10V
7p
2.57V
Q9
2SC5108(Y)F
1st LOCAL
AMP
1st LOCAL
5.07V
AMP
L15
L16
C92
Q8
2SC5108(Y)F
8.2n
8.2n
5p
2.72V
2.19V
L24
R44
10
PLL
INDICATOR
DC
SWITCH
Q7
SSM3K15TE(F)
R43
47k
IC4
NJM2878F4-33
VOLTAGE
REGULATOR
L29
C116
22n
4p
L30
C115
22n
4p
9VCO
R57
IC601
OP AMP
LMC7101BIM5
270
1
OUTPUT
R58
2
V+
270
3
INPUT+
INPUT-
C607
100p
L26
10n
REFERENCE
SIGNAL AMP
Q602
1.65V
2SC4617(R)
L602
C604
220n
1.05V
0.047u
5.04V
3.20V
R601
R603
C602
18
18
0.047u
2nd LO
R622
R623
0
100
2.09V
5
V-
CN64
CV2
4
D601
C625
1000p
KV1470-G
FREQUENCY
CONTROL
R615
R618
R620
R633
220
0
0
0
3.31V
5.07V
C623
L604
L607
0.047u
C641
6.8u
6.8u
0.047u
R628
1k
R606
3.90V
47k
C609
0.047u
Q601
2SC4617(R)
REFERENCE
SIGNAL AMP
Q605
RIPPLE FILTER
AMP
R636
0
2SC4116(B
R648
1k
C648
27p
8.22V
Q604
2SK2539-7_9
L609
C673
220n
2p
1.95V
OSCILLATOR
L608
1.5u
R634 47
C643
1000p
6
20
CP
AVDD1
R645
7
19
AVDD2
RSET
IC603
4.7k
8
18
ADF4111BCP7
REFIN
VP
INTEGER-N
9
17
3.34V
DGND1
PLL IC
DVDD2
10
16
DGND2
DVDD1
C660
22p
R675
4.7k
IC602
TC7WH126FU-F
8
1
G1
VCC
2
7
A1
G2
3
6
Y2
Y1
R642
4
5
GND
A2
10
3-STATE
BUFFER
Q605
R649
0

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