Kenwood NXR-700H Service Manual page 228

Vhf digital base-repeater
Table of Contents

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RX UNIT(X55-3092-71)
RF SW
W:-87dBm
D9
JDP4P02U
N:-87.5dBm
L35
3
2
CN41
MONITOR_PORT
C140
3.3u
4
1
C635
C636
C637
C638
C639
C640
C641
C642
C643
C644
C645
C646
0.01u
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
0.75p
W:4.75V
W:-117.5dBm
N:0V
N:-118dBm
8.67V
LNA
E1
Q1
R8
F10-2379-04
E2
0.96V
2SC5337
F10-2409-04
0
CN5
C10
L5
0.22V
C55
C647
R39
R54
L32
C117
1000p
22n
12p
1000p
0
MIX
0
82n
120p
A1
W02-1940-05
4
5
6
C14
C17
C26
C35
C47
RX_SIGNAL
1000p
1000p
470p
470p
1000p
C68
100p
C15
C18
C27
C36
C48
R30
680k
3
2
1
C572
0.1u
0.1u
1000p
1000p
0.1u
IC4
R350
OP-AMP
TA75S01F-F
R50
D1
R4
18
0.01u
220
R19
3
4
RF SW
HSC119
120
IN(-)
oUT
D10
VE
100k
2
JDP4P02U
D1
CN40
VEE
4
1
R20
1
5
SURGE
C19
IN(+)
VCC
3
2
C141
PROTECTION
100k
1000p
0.01u
D2
D2
SURGE
C66
0.1u
L31
L36
L39
R81
PROTECTION
W:0V
R452
HSC119
C69
1000p
33n
33n
33n
0
N:4.75V
0
E3
-3V
8.95V
F10-3080-04
C157
C169
L54
RF AMP
C249
Q18
RF AMP
1000p
27p
10n
RD01MUS1-T113
15p
Q23
2SC3356-A(R24)
C232
L76
C285
L92
R417
CN36
CN6
100p
33n
18p
56n
0
FINAL UNIT(N-DC)
(X45-3852-70)(D/5)
SSM3J01F
Q25
CN701
DC SW
DC SW
Q26
C701
SSM3K15TE(F)
C718
1u
C702
1000p
1000p
C717
C703
1000p
1/2 DIVIDER
IC9
1000p
C716
C295
UPB1509GV
C520
5V
C585
L106
C704
0.1u
1.58V
5V
1000p
1
8
0.01u
1.59V
1000p
150n
C715
C237
VCC1
VCC2
RF AMP
10u25
1000p
RF AMP
C273
R156
C298
2
7
C329
C580
C705
33u16
Q21
IN
OUT
Q53
2SC4725
22p
68
1000p
3
6
0.01u
0.01u
2SC4725
1u
0.95V
IN
SW2
4
5
0.91V
VOLTAGE
GND
SW1
REGULATOR
IC703
TK72130CS
C714
0.1u
C713
0.1u
VOLTAGE
VOLTAGE
REGULATOR
REGULATOR
IC701
C712
IC10
NJM78L05UA-ZB
TK11230CMCL-G
3
1
L702
33u16
C291
6
1
IN
oUT
VIN
VCoNT
5V
47u
0.047u
5 GND2
2
GND
GND1
2
C303
R403
4 VoUT
3
C332
0.047u
0
NoISEPASS
0.1u
3V
C292
10u35
IC702
LTC1046IS8
C711
DC/DC
CONVERTER
10u16
L11
L13
1.2u
1.2u
W:3.25V
W:7.84V
L112
W:7.36V
N:0V
N:0V
L39-1476-05
1
4
XF1
W:3.64V
N:0V
L123
L71-0646-15
N:0V
XF3
W:2.15V
RF AMP
1
CN47
W:-73dBm
C149
C166
C173
L58
RF AMP
L71-0648-05
N:0V
6
N:-74dBm
Q19
C234
C241
C288
C307
L98
Q28
2
2
3
3.3u
R270
C470
R459
3SK317-E
4
D13
18p
18p
0.01u
180n
W:1.18V
RD01MUS1-T113
W:1.21V
3
JDP4P02U
10k
470p
N:0V
27p
0
15p
15p
0.01u
1.8u
N:0V
RF SW
C459
L108
220p
7
7
7
7
C573
R351
3
47n
1
6
6
1
1
1
4
0.01u
220
2
2
2
6
6
2
2
4
4
4
4
3
3
3
3
6
1
8
8
C318
8
8
C461
L46
L52
L74
L90
L94
C577
L34-4749-05
L34-4749-05
L34-4748-05
L34-4748-05
L39-1476-05
0.01u
220p
0.01u
L140
390n
CN46
WIDE
RF SW
L125
C428
IF SYSTEM
W:-99dBm
D14
150n
56p
N:-99.5dBm
JDP4P02U
C406
IC12
2
3
TA31137FNG
W:0V
L113
0.01u
W:0V
L39-1476-05
VCC=5V
W:0V
N:3.22V
N:7.85V
1
4
L126
C429
XF2
W:0V
N:7.36V
1
C443
L71-0645-15
N:3.64V
XF4
W:0V
RF AMP
6
150n
56p
C150
C167
C174
L59
RF AMP
L71-0647-05
N:2.15V
Q29
2
0.047u
Q20
C235
R462
C242
C289
C308
L99
3SK317-E
18p
18p
0.01u
180n
RD01MUS1-T113
3
4
W:0V
0
1.8u
W:0V
N:1.18V
27p
15p
15p
0.01u
N:1.2V
L109
C427
C474
7
7
7
7
1
3
47n
0.47u
0.47u
1
6
6
1
6
6
1
4
2
2
2
2
2
4
4
4
4
W:6.7V
W:6.68V
W:4.35V
3
3
3
3
6
1
N:0V
N:0V
N:0V
8
8
8
8
C319
CF2
L47
L53
L75
L91
L95
0.01u
RF SW
L72-1028-05
RF SW
RF SW
L34-4749-05
L34-4749-05
L34-4748-05
L34-4748-05
L39-1476-05
D15
C440
R254
R257
C454
D16
D19
L141
DAN235E
DAN235E
DAN235E
0.47u
330
330
0.47u
390n
NARROW
R249
R259
2.7k
2.7k
W:0V
R250
R260
W:0V
W:0V
N:4.36V
2.7k
CF3
2.7k
N:4.37V
N:4.36V
L72-1027-05
C441
R255
R258
C455
0.47u
390
390
0.47u
R213
R230
3.06V
56k
4.91V
10
SSM3J01F
Q32
C391
CF4
L72-1027-05
DC SW
0.01u
Q35
2.33V
TEMPERATURE SENSOR
2SC4725
VOLTAGE
C415
R231
IC35
REGULATOR
RF AMP
LM50BIM3/NOPB
0.01u
68
2
1
IC28
Q31
Vo
+VS
AD1582
SSM3K15TE(F)
DC SW
GND
1
3
3
VoUT
VIN
C518
0.1u
GND
C519
1000p
2
C450
C466
L116
C407
C557
C444
0.47u
0.047u
R281
R292
C652
150n
56p
0.047u
R340
1k
L110
C373
0.047u
10k
0
0.1u
VOLTAGE
R326
10
C558
R341
1k
150n
0.01u
L117
C402
IF SYSTEM
REGULATOR
1000p
R342
1k
IC13
IC22
150n
56p
AD607Z
XC6204B332M
VCC=5V
4
3
NC
CE
ADC
2
IC30
R214
R232
VSS
AD7908BRU
NJM2732V
5
1
56k
10
VOUT
VIN
3.1V
4.92V
OP-AMP
C392
R263
L72-1028-05
CF6
C516
0.047u
L130
0.01u
Q36
2.38V
2SC4725
18k
C463
R273
C478
R280
C517
10u
10u
C416
R233
RF AMP
0.47u
1.5k
0.47u
10k
3.3V
CN65
0.01u
0
ASQ
R337
1k
DDS
IC7
5V
AD9835BRUZ
5V
C188
16
1
FSADJUST
0.01u
15
CoMP
2
REFIN
14
AVDD
3
REFoUT
R32
R86
13
IoUT
4
BUFFER AMP
AGND
DVDD
100k
100k
12
DGND
5
IC8
R99
330
PSEL0
NJU6368PF1
4.98V
2.46V
11
MCLK
6
L79
L81
R149
1 FoUT
6
PSEL1
VSS
C301
L100
L103
C342
5V
4.11V
CF1
1.82V
C160
R100
0
10
SCLK
7
1u
820n
820
2 VDD
5
L72-1019-05
FSELECT
5V
3 XT
XT
4
0.047u
390n
390n
0.047u
C77
R42
R53
L34
L37
R357
C144
Q12
0.1u
9
SDAT
8
CoNT
3.52V
2SC4617(R)
FSYNC
C290
Q5
0.1u
0
0
12u
12u
470
0.1u
C279
0.047u
C59
2SC4617(R)
R68
RF AMP
RF AMP
0.047u
0.1u
3.9k
L88
8.2u
L128
L34-4725-05
DC SW
Q58
2
SSM3K15TE(F)
3
1
8
7
Q57
DTA144EE
4
6
DC SW
DETECTOR
D17
MA3J742
C477
R285
C510
OP-AMP
R120
R128
0.1u
330k
0.1u
R278
IC6
10k
100
DETECTOR
LMC7101BIM5
VCO_A:203M 2.31V
1.5k
Q40
D18
VCO_B:217M 2.22V
2SC4617(S)
MA3J742
1
5
CN63
8.15V
OUTPUT
V-
L27
RF AMP
2
CV1
R433
V+
3 INPUT+
4
150
10u
INPUT-
C175
100p
FREQUENCY
R293
18k
CONTROL
R26
L17
D5
C92
L28
R300
0
R437
R395
0
10u
7p(B)
4.5T
0
100
1SV283F
OP-AMP
FREQUENCY
C668
CONTROL
IC20
8p
NJM4558E-ZB
R43
L24
1
8
W:4.37V
AoUT
V+
0
10u
N:0V
C492
R286
2
7
FREQUENCY
A-IN
BoUT
CF5
100u
18k
C498
3
6
CONTROL
L72-1028-05
RF SW
6.3
A+IN
B-IN
C587
R366
R367
C588
D20
47p
4
V-
B+IN
5
R434
L29
DAN235E
R287
0.47u
330
330
0.47u
150
10u
27k
R369
R368
2.7k
2.7k
C494
10u
FREQUENCY
CONTROL
R370
R373
W:0V
R27
L18
D6
C93
L30
2.7k
CF7
2.7k
N:4.34V
L72-1027-05
0
10u
1SV283F
6p
4.5T
C589
R371
R372
C590
FREQUENCY
C669
CONTROL
0.47u
390
390
0.47u
7p
L25
R400
10u
0
FREQUENCY
CONTROL
RIPPLE
FILTER AMP
R401
0
8.12V
Q6
R23
2SC4116(BL)F
R46
IC23
0
33
R324
100k
BH2220FVM
C542
0.1u
C621
0.1u
R382
R296
47k
1
8
R317
10
R33
R40
Ao1
LD
R321
100k
R333
100k
100k
R297
47k
2
Ao2
CLK
7
R318
10
1k
1k
R325
100k
R330
R384
100k
R383
R298
47k
3
Ao3
DI
6
R319
10
100k
100k
4
VCC
GND
5
VCO_A:3.9V
VCO_B:3.75V
C58
C67
OP-AMP
OP-AMP
DAC
R11
680
IC29
IC32
47u10
47u10
NJM2732V
PLL ACTIVE
FILTER AMP
R38
R44
Q4
R12
2SC4116(BL)F
100
0
C541
R328
680
VCO_A:0.64V
VCO_A:1.13V
VCO_B:0.64V
VCO_B:1.13V
0.1u
0
R385
R388
Q2
L26
100
0
2SC4116(BL)F
PLL ACTIVE
1u
R323
FILTER AMP
0
C622
0.1u
5V
6
RF AMP
AVDD1
5V
7
Q3
AVDD2
1.61V
2SC4617(R)
C64
L20
L23
C87
8
REFIN
C25
L10
0.1u
27u
27u
0.1u
9
DGND1
0.1u
680n
R47
10
1.06V
DGND2
1k
IC5
R245
ADF4111BCP7
FREQUENCY PLL
47k
4.99V
3.75V
5V
RF AMP
C438
Q30
2SC4617(R)
1.6V
3.11V
0.047u
Q39
L119
C401
R219
R225
C422
2SC4617(R)
RF AMP
220n
0.047u
18
18
0.047u
1.05V
L120
8.2u
RIPPLE
9V
FILTER AMP
Q9
R64
2SC4116(BL)F
R90
0
33
R377
R379
R71
0
100
1k
OP-AMP
2.79V
IC33
CN64
C113
LMC7101BIM5
CV2
7p(B)
1
5
C665
OUTPUT
V-
2
8p(B)
V+
3
INPUT+
4
INPUT-
OSCILLATOR
Q7
C618
2SK508NV(K53)
C142
R77
100p
0.5p
47
VCO_A:1.51V
R97
VCO_B:1.78V
RIPPLE
10
FILTER AMP
8.09V
L60
C220
Q27
R405
R167
2SC4116(BL)F
R201
8.88V
47n
9p
15k
0
33
VCO_A
DC SW
C187
R210
Q10
1.55V
15p
C114
2SC4116(BL)F
R83
RF AMP
R183
R193
10
Q17
L61
C214
1k
1k
6p
4.7k
2SC3356-A(R24)
47n
9p
C662
0.81V
7p
C315
OSCILLATOR
Q8
FREQUENCY
27p
2SK508NV(K53)
C143
R78
CONTROL
D11
OSCILLATOR
0.5p
47
KV1470-G
Q24
1.58V
C277
L93
2SK508NV(K52)
C331
R184
C361
L115
VCO_A:1.77V
VCO_B:1.54V
1000p
100n
2p
0
1000p
82n
0.89V
Q14
SSM3K15TE(F)
L87
1.47V
DC SW
10u
DC SW
Q11
VCO_B
2SC4116(BL)F
R84
4.7k
FREQUENCY
CONTROL
Q59
SSM3K15TE(F)
DC SW
R147
R154
R159
R161
270
0
0
0
R436
R435
6.8k
47k
Q61
Q60
SSM3K15TE(F)
SSM3K15TE(F)
DC SW
DC SW
RF AMP
5V
Q16
L42
L45
C156
2SC3356-A(R24)
L114
L118
C400
1.55V
33n
33n
15p
L62
L101
68n
68n
22p
R57
10n
1.5u
R177
1.18V
47
47
C102
C330
1000p
1000p
20
5V
6
20
CP
RF AMP
AVDD1
CP
19
R65
5V
7
19
R194
RSET
Q22
AVDD2
RSET
18
4.7k
R72
L48
1.61V
2SC4617(R)
C274
L89
L96
C316
8
18
4.7k
R202
L121
VP
REFIN
VP
17
5V
2.2
1u
C225
L73
0.047u
6.8u
6.8u
0.047u
9
17
5V
2.2
1.5u
DVDD2
DGND1
DVDD2
16
0.047u
220n
R163
10
16
DVDD1
1.07V
DGND2
DVDD1
1k
R211
R85
100k
33k
IC11
R73
PLL
ADF4111BCP7
R203
INDICATOR
FREQUENCY PLL
100k
Q13
100k
Q34
2SA1832F
0V
2SA1832F
DC SW
DC SW
Q15
Q56
SSM3K15TE(F)
SSM3K15TE(F)
DC SW
DC SW
CN43
RX_IF_VN
CONTROL UNIT
X53-414 -CN300
CN42
1
GND
2
GND
CN60
3
NC
4
RX_PoWER_SAVE
CN48
5
DDS_EN
6
VCO_BAND_SW
CN49
7
PLL1_EN
8
DA_EN
CN50
9
SIF_CLK
10
GND
CN51
11
SIF_DAT
AT RX ANT -47dBm INPUT
12
RX_AUDIO
STD Devi
W:100mVrms
CN52
13
PLL_PWR_SAVE
N: 90mVrms
14
GND
CN66
RXA
CN57
15
NC
16
FM_RSSI
CN53
17
PLL2_EN
18
AGC_RSSI
CN54
19
PLL_LOCK_DET
20
CoNT_5.0V
CN58
21
NC
22
AD_DAT_READ
CN55
23
GND
R236
24
AD_CLK
C408
R223
18
CN56
CN59
25
NC(IF_NW_SW)
22p
18
R237
26
AD_DAT_WRITE
8.91V
18
27
IF_BW_SW
RF AMP
28
AD_CS
Q33
29
D_GND
2SC4725
R335
30
E2PROM_SCL
100k
31
CoNT_5.0V
C561
32
E2PROM_SDA
1000p
33
D_GND
Q51
34
WP
SSM3K15TE(F)
35
GND
DC SW
36
GND
C560
1000p
C559
0.1u
EEPROM
IC31
S24CS02AFJTBG
C565
VOLTAGE REGULATOR
VOLTAGE REGULATOR
1000p
CN44
IC15
IC24
DC SW
5V
NJM78L05UA-ZB
8V
NJM7808FA-ZB
13.66V
13.73V
1
Q52
1
3
R307
3
1
2SJ484
2
oUT
IN
oUT
IN
RF AMP
GND
0
GND
3
5V
Q38
2SC4725
2
2
1.57V
C437
1000p
VOLTAGE REGULATOR
VOLTAGE REGULATOR
0.94V
IC16
IC25
5V
NJM78L05UA-ZB
8V
NJM7808FA-ZB
1
3
R308
3
1
oUT
IN
oUT
IN
Q50
GND
0
GND
SSM3K15TE(F)
DC SW
2
2
VOLTAGE REGULATOR
IC17
5V
NJM78M05DL1AZB
3
1
R392
oUT
IN
9V
GND
R309
0
2
0
VOLTAGE
REGULATOR
VOLTAGE REGULATOR
IC18
IC26
0V
5V
NJM78M05DL1AZB
NJM2386ADL3-09
3
1
Q37
oUT
IN
SSM3K15TE(F)
GND
DC SW
2
9V
R391
R310
0
VOLTAGE REGULATOR
0
IC19
NJM78M05DL1AZB
VOLTAGE
5V
REGULATOR
3
1
oUT
IN
IC27
GND
NJM2386ADL3-09
2
CN45
19.2MHz REF_SIG
GND
POWER
POWER

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