Kenwood NXR-700 Service Manual page 132

U
NXR-700
13.2V
SCLK0
SDo0
8V #1
8V #2
5V #1
19.2MHz -->
1.64V
C472
C482
R503 R502
0.01u
Q416
10 0
0.01u KTC4075E-P(GR
1.2V
RF AMP
19.2MHz -->
<--19.2MHz
C638 C639 C889
0.1u
47p 18p
L612
L613
<--19.2MHz R629
330n 390n
100 C643
470p
5V
SCLK
SDATA
FSYNC
8V #1
DC SW
Q426
SSM3J01F
R582
470k
Q428
SSM3K15TE(F)
DC SW
R601
1k
INT VCXO:0V
OCXO
INT VCXO:0V
or EXT Ref:
OCXO
G1:1.88V R533
or EXT Ref:
G2:2.07V
G1:1.88V
100k
S:0.99V
G2:1.9V
C516
D:7.76V
S:0.9V
0.1u D:7.54V
RF AMP
RF AMP
<--10MHz
Q431
Q420
C506 3SK294-FP
3SK294-FP
82p
C601
0.1u
8V #1''
10MHz--->
130
X56-311 (A/3) 5/6
V
SCHEMATIC DIAGRAM
L416
10u
C430
C462 C458
18p
L407
18p 47p
5V
1.61V
C437
L413 L410
C455 390n
Q412 0.01u
390n 330n
KTC4075E-P(GR
0.01u
1.57V
RF AMP
BUFFER AMP
IC602
NJU6368PF1
1
FoUT <--19.2MHz
VSS 6
R630 C656 R638
2 VDD
XT 5
C645 1k 0.01u 4.7k
3
XT
CoNT 4
470p
SCLK
SDATA
FSYNC
C514
RF SW
120p
L421
D404 C521
<--10MHz
560n
0.1u
HSC277
D410
HSC277
RF SW
C523 D406 HSC119
R538
1k
0.1u C541 10p
C531 C542
R555
0.1u 1k
D407 HSC119
RF SW
RF SW
D405
Q423
Q421
4 3
3
HSC277
2
2 5
D411
6
1
1
HSC277
SSM6L05FU-F
SSM6L05FU-F
DC SW
DC SW
<--10MHz OCXO
W
13.2V
SCLK0
SDo0
8V #1
8V #2
C427
47p
L405
C420
R434 5V #2
330n
0
0.01u
. .
1.57V
R417 C414
0 0.01u
1.12V
. .
R418
C415
0 0.01u
3.3V
XC6204B332M-G
C657 3.3V
5
0.01u
C658
1
0.1u 4
4
C659
2
3
0.01u
X601
L77-3034-05
SSM3K15TE(F)
Q608
SSM3K15TE(F)
Q609
SSM3K15TE(F)
8V #1
7.75V
C484
RF AMP
0.1u
C487
4.25V
C511
Q419 0.01u
C492
KTC4075E-P(GR
47p
L420 3.61V
C505 0.1u
680n
0.1u
7.78V
2.04V
0.1u
Q418
C501
KTC4075E-P(GR
1.45V
RF AMP
10p
DC SW DC SW
4
Q424
Q429
5 SSM3K15TE(F) SSM3K15TE(F)
6 D605,606
LIMITTER
R568
220k
10MHz--->
X
VOLTAGE
IC704
8V REGULATOR
NJM78M08DL1AZB
oUT
3
.
IC706
5V
NJM78M05DL1AZB
oUT
3
5V
.
.
19.2MHz -->
Q401 C406 0.01u
KTC4075E-P(GR
RF AMP
.
Q402
KTC4075E-P(GR
RF AMP
IC705
5V
VOLTAGE NJM78M05DL1AZB
IC603
REGULATOR
5V #3
oUT
3
1
VIN
VOUT
2
VSS
3
CE
NC
VOLTAGE
REGULATOR
Q607
R406 10
R407 10
R408 10
Q607-609
DC SW
REF_IN_OUT
COMPARATOR
IC405
TC75S59F-F
R463
4
oUT
3 IN+
0
2 VSS
R489
5
VDD
1 IN-
2.7k
R483 6.8k
R480
5.6k
Q414
SSM3K15TE(F)
DC SW
C486
D401
COMPARATOR
0.1u
HSM88AS-E
IC406
DETECTOR
TC75S59F-F
R487
4
oUT
3 IN+
1k
2 VSS
5
VDD
1 IN-
R478
15k
DC SW
Q413
SSM3K15TE(F)
R578
OCXO_EXIST
0
REF_IN
Y
TX UNIT (X56-3112-72) (A/3)
13.2V
SCLK0
SDo0
8V #1
13.2V
1
IN
2
VOLTAGE
REGULATOR
8V #1
1
IN
2
5V #2
RX_19.2MHz
.
C404
0.01u
1 8V #1
IN
8V #1
33MPU
R452
0
REF_SW2
<--10MHz
<--10MHz
10MHz--->