Kenwood NXR-700 Service Manual page 131

P
TX UNIT (X56-3112-72) (A/3)
13.2V
SCLK0
SDo0
8V #1
8V #2
5.99MHz or 10MHz -->
Q407-409
Q407
DC SW
SSM3K15TE(F)
R427
Q408
oX_SCLK2
SSM3K15TE(F)
10
R430
oX_SDo2
10
R431
PLL_19_EN
10
Q409
SSM3K15TE(F)
DC SW
0V
REF_LDT
Q410
2SA1832F
.
CN809
Q405
CHK1.0B
SSM3K15TE(F) C416
REF_LDT
DC SW
0.01u
5V #3
5V #3
C613 C620
0.1u L603 L604
0.1u
47u 47u
Q603
KTC4075E-P(GR
5V #2
<--19.2MHz
DETECTOR
D403
HSM88AS-E
R547
56k
INT VCXO:0V
RF AMP
OCXO or EXT Ref:
Q422
G:2.6V
RD01MUS1-T113 S:0.55V
. D:7.78V
L422
3dB
L39-1517-05
R530
18
R541
1
WP
Q
SCHEMATIC DIAGRAM
.
CN808
CHK1.5B
REF_IN
IC404
R458
ADF4001BRUZ
100k
8
5V
9 DGND
REFIN
C440
10 7
CE
AVDD
0.01u C443
6
11
CLK
RFINA
C441
5
12
DATA
RFINB
0.01u
4
13 LE
AGND
5V
3
14
MUXoUT
CPGND
15 2
DVDD
CP
R459
1
16
VP
100k RSET
4.7k
R438
19.2MHz PLL
L406
R439
10u
L403 2.2
1u
R455
1M
Q604
SSM3K15TE(F)
.
DC SW
INT VCXO:
B:1.64V
C:5V
E:1.08V
OCXO or EXT Ref:0V
.
RF AMP
CF601
KTC4075E-P(GR
L72-1019-05
L606
C623 L607 C628
R616
12u 12u
0
0.1u 0.1u
RF AMP
C539 0.1u
8V #1''
R562
560k
OP-AMP
R575
4
oUT
3 IN(-)
1k
2 VEE
C545
5
VCC
1 IN(+)
0.1u
IC409
TA75S01F-F
R564 INT VCXO:0V
OCXO or EXT Ref:
150k
G1:2.12V
G2:2.2V
RF AMP
S:1.17V
D:7.75V
Q430
3SK294-FP
C535 C579
R560
82p C559
0.1u 12
0.1u
8V #1''
R
13.2V
SCLK0
SDo0
8V #1
8V #2
C454 C459
47p
18p
7.72V
L409 L411
C464
330n 390n
0.01u
0.01u
Q415
KTC4075E-P(GR
RF AMP
1.13V
L77-3065-15
R470 R461 R453 R460
R447
VC
0 0 0 0 18k
GND
R454
1M
R618 DDS (5.99MHz)
100k 5.99MHz DDS
DC SW
Q605
IC601
SSM3J01F AD9835BRUZ
C633
C631
0.01u
FSADJUST
0.1u
INT VCXO:
16 CoMP
C632
B:3.08V
15 AVDD
C:5V
0.01u
C629
R620
REFoUT
E:2.47V
14 IoUT
OCXO
100k
0.1u
or EXT Ref:0V
5V 13 AGND
12 PSEL0
Q606
C630
11 PSEL1
R617 0.1u
10 FSELECT
<--5.99MHz
470
9 FSYNC
5V #2
<--19.2MHz
C563 C564
<--10MHz
120p 47p
C565 L430 L431
R593
560n 680n
0.1u
D603,604
LIMITER
S
NXR-700
1.69V
C479 <--19.2MHz
0.01u
.
L412
19.2MHz
8V #2
X401
1u
7.88V
+VDC
C465 C476
R481
oUT
1.8k
0.01u 0.01u
KTC4075E-P(GR
4.7V
4.04V
R623
3.9k
1
2
REFIN
C634
0.01u
5V
3
DVDD 4
5
DGND
<--19.2MHz
R625
6
MCLK
0
7
SCLK
SDATA 8
L611
5V #2
8V #1''
INT VCXO:0V
OCXO or EXT Ref:7.81V
DETECTOR
D408
HSM88AS-E
R567
100k
INT VCXO:0V
OCXO or EXT Ref:
G:2.58V
S:0.46V
D:7.79V
RF AMP
Q425
RD01MUS1-T113 C547 R569
560
0.1u
C537
R554
18 0.1u 12
.
L427
R576
L39-1517-05
1
X56-311 (A/3) 4/6
T
13.2V
SCLK0
SDo0
8V #1
8V #2
R501
220
Q417
RF AMP
C480
0.01u
<--19.2MHz
SCLK
SDATA
FSYNC
<--19.2MHz
0.1u C532
R552 560k
IC408
TA75S01F-F
4
oUT
3 IN(-)
2 VEE
5
VCC
1 IN(+)
OP-AMP
R553
150k
C580
82p
8V #1''
10MHz--->
129