Kenwood NXR-800H Service Manual page 252

Uhf digital base-repeater
Table of Contents

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RX UNIT(X55-3102-72):C2
RF SW
W:-93.2dBm
D9
JDP4P02U
N:-92.3dBm
L35
3
2
CN41
MONITOR_PORT
3.3u
4
1
W:-117.8dBm
N:-116.6dBm
8.5V
W:4.7V
LNA
N:0.6mV
R8
E1
E2
L132
L133
1.0V
Q1
L134
L135
F10-2379-04
F10-2409-04
L79-1853-05
L79-1853-05
L5
2SC5336-AZ
47
L79-1853-05
L79-1853-05
CN5
C7
1
5
C659
1
5
R410
C10
12.5n
C55
R407
1
5
C624
1
5
R39
R54
L32
C117
470p
100p
0
8p
4T
8p
0
100p
0
MIX
0
82n
120p
4
8
4
8
4
8
4
8
A1
0.2V
W02-1940-05
C14
C17
C24
C34
4
5
6
470p
470p
470p
470p
RX_SIGNAL
C15
0.1u
C18
C26
C35
C47
C68
100p
3
2
1
D1
0.1u
470p
470p
470p
R30
680k
C27
C36
C48
HSC119
R50
1000p
1000p
0.1u
OP-AMP
IC4
18
RF SW
D1
R4
TA75S01F-F
D10
SURGE
JDP4P02U
PROTECTION
120
R19
3
4
VE
CN40
IN(-)
oUT
4
1
100k
2
C19
VEE
3
2
R20
1
5
470p
D2
IN(+)
VCC
L31
L36
L39
D2
SURGE
100k
R81
R422
PROTECTION
22n
22n
HSC119
C66
0.1u
22n
0
0
W:0.7mV
R423
C69
470p
N:4.7V
0
R424
0
E3
R425
F10-3080-04
-3.0V
9.0V
0
C157
C169
L54
RF AMP
C249
RF AMP
R454
12p
10n
Q18
8p
Q23
470p
RD01MUS1-T113
2SC3356-A(R24)
0
C232
L76
C285
L92
R417
CN36
CN6
47p
10n
470p
10n
0
FINAL UNIT(N-DC)
(X45-3862-71)(D/5):C2
Q25
CN701
SSM3J01F
DC SW
DC SW
C701
Q26
SSM3K15TE(F)
1u
C718
C702
470p
470p
C717
1/2 DIVIDER
C703
470p
C716
C295
IC9
C520
C585
L106
470p
UPB1509GV
5.0V
C704
0.1u
5.0V
1.6V
1000p
1
8
0.01u
1.6V
RF AMP
47p
150n
10u25
C715
C237
RF AMP
C273
C298
VCC1
VCC2
C329
C580
R156
2
7
Q53
C705
33u16
Q21
68
3
IN
OUT
6
2SC4725
1u
1000p
2SC4725
22p
1000p
IN
SW2
0.01u
0.01u
0.9V
4
5
0.9V
VOLTAGE
GND
SW1
REGULATOR
IC703
TK72130CS
C714
0.1u
C713
VOLTAGE
0.1u
REGULATOR
VOLTAGE
REGULATOR
IC701
IC10
NJM78L05UA-ZB
C712
TK11230CMCL-G
3
1
L702
33u16
C291
6 VIN
1
IN
oUT
VCoNT
GND
47u
0.047u
5
GND2
GND1
2
2
C303
R403
4 VoUT
3
C332
NoISEPASS
0.047u
0
0.1u
C292
3V
10u35
IC702
LTC1046IS8
C711
DC/DC
CONVERTER
10u16
L11
L13
C59
1.2u
1.2u
0.1u
W:7.8V
W:7.4V
N:0.5mV
N:0.5mV
W:3.2V
L112
W:3.7V
RF AMP
N:0.6mV
L39-1476-05
1
4
Q19
XF1
N:5.2mV
RD01MUS1-T113
W:2.2V
RF AMP
1
L123
CN47
W:-75.7dBm
L71-0661-05
XF3
N:0.8mV
6
N:-75.5dBm
C140
C149
C166
C173
L58
L71-0648-05
L98
Q28
2
2
3
3.3u
R270
C470
C234
R459
C241
C288
C307
3SK317-E
4
D13
0.01u
22p
22p
0.01u
180n
W:1.2V
W:1.2V
3
JDP4P02U
10k
470p
N:5.1mV
27p
0
15p
15p
0.01u
1.8u
N:0.4mV
RF SW
C459
L108
C573
R351
7
7
7
220p
7
3
47n
0.01u
220
1
1
1
1
4
6
6
6
6
2
2
2
2
4
4
2
3
4
4
3
3
3
6
1
C318
8
8
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
L136
390n
CN46
WIDE
W:-104.1dBm
RF SW
L125
C428
C572
R350
IF SYSTEM
N:-102.1dBm
W:0.5mV
D14
150n
56p
0.01u
220
JDP4P02U
IC12
N:7.8V
2
3
C406
TA31137FNG
W:0.5mV
L113
N:7.3V
W:0.6mV
L39-1476-05
0.01u
W:5.2mV
RF AMP
N:3.2V
1
4
L126
C429
XF2
N:3.7V
Q20
VCC=5.0V
L71-0660-05
RD01MUS1-T113
XF4
W:0.6mV
RF AMP
1
150n
56p
L59
L71-0647-05
N:2.2V
6
C141
C150
C167
C174
C235
C242
C289
C308
L99
Q29
2
180n
R462
3SK317-E
4
0.01u
18p
18p
0.01u
W:5.2mV
W:0.6mV
3
N:1.2V
27p
0
15p
15p
0.01u
1.8u
N:1.2V
L109
C427
C474
7
7
7
7
3
47n
0.47u
0.47u
1
6
6
1
1
6
6
1
4
2
2
2
2
2
4
4
4
4
3
3
3
3
6
1
W:6.7V
8
8
C319
W:6.7V
N:1.2mV
8
8
N:1.2mV
CF2
L47
L53
L75
L91
L95
RF SW
L72-1028-05
RF SW
RF SW
L34-4749-05
L34-4749-05
L34-4748-05
L34-4748-05
L39-1476-05
0.01u
C440
R254
R257
C454
L137
D15
D16
D19
DAN235E
0.47u
0
0
0.47u
DAN235E
DAN235E
390n
NARROW
R249
R259
2.2k
2.2k
R250
R260
W:1.2mV
W:1.2mV
10k
CF3
10k
N:4.34V
N:4.33V
L72-1027-05
W:1.3mV
C441
C455
N:4.4V
R255
R258
0.47u
0
0
0.47u
4.9V
R213
R230
3.1V
56k
10
Q32
CF4
SSM3J01F
C391
L72-1027-05
DC SW
TEMPERATURE SENSOR
0.01u
Q35
2.3V
2SC4725
C415
R231
IC35
VOLTAGE
RF AMP
LM50BIM3/NOPB
REGULATOR
0.01u
68
IC28
Q31
2
1
AD1582
SSM3K15TE(F)
Vo
+VS
GND
1
3
DC SW
VoUT
VIN
3
C518
0.1u
GND
C519
470p
2
2.5V
C466
L116
C557
C407
C444
0.047u
R281
R292
C652
150n
0.047u
R340
1k
L110
C373
56p
0.047u
10k
0
0.1u
R326
10
C558
R341
1k
VOLTAGE
150n
0.01u
L117
C402
IF SYSTEM
REGULATOR
470p
R342
1k
150n
IC13
IC22
56p
AD607Z
XC6204B332M
4
3
NC
CE
ADC
4.9V
2
VSS
IC30
R214
R232
5
1
AD7908BRU
VOUT
VIN
3.0V
56k
10
VCC=5V
OP-AMP
C392
CF6
C516
0.047u
L130
R263
L72-1028-05
0.01u
Q36
2.3V
C463
R273
C478
R280
C517
10u
2SC4725
C416
R233
18k
10u
RF AMP
0.47u
1.5k
0.47u
10k
CN65
0.01u
0
3.3V
ASQ
R337
1k
DDS
IC7
5.1V
AD9835BRUZ
5.1V
C188
16
FSADJUST
1
CoMP
0.01u
15
REFIN
2
AVDD
14
REFoUT
3
BUFFER AMP
IoUT
IC8
5.1V
R86
13
DVDD
4
NJU6368PF1
AGND
L79
L81
R32
100k
12
DGND
5
R149
1 FoUT
6
5.0V
R99
330
PSEL0
1u
820n
2 VDD
VSS
5
C301
L100
L103
C342
100k
2.4V
11
MCLK
6
820
CF1
PSEL1
3 XT
XT
4
0.047u
390n
390n
0.047u
2.4V
L72-1019-05
1.8V
C160
R100
0
10
SCLK
7
CoNT
C77
L34
L37
C144
FSELECT
C290
R42
R53
R357
Q12
0.1u
9
SDAT
8
C279
0.047u
3.5V
12u
12u
2SC4617(R)
FSYNC
Q5
0.1u
0
0
470
0.1u
0.047u
2SC4617(R)
R68
RF AMP
RF AMP
L88
3.9k
8.2u
L128
L34-4725-05
DC SW
Q58
3
2
1
SSM3K15TE(F)
8
7
Q57
DTA144EEB
46
DC SW
DETECTOR
D17
MA3J742
C477
R285
C510
OP-AMP
R120
R128
0.1u
330k
0.1u
R278
IC6
10k
100
DETECTOR
LMC7101BIM5
1.5k
Q40
2SC4617(S)
D18
1
5
CN63
MA3J742
OUTPUT
V-
RF AMP
2
CV1
V+
3 INPUT+
4
INPUT-
8.1V
R430
C175
330
100p
FREQUENCY
CONTROL
R293
18k
D5
R26
L17
C92
L28
R300
10k
1u
0
1SV283F
6p
4T
FREQUENCY
OP-AMP
CONTROL
IC20
NJM4558E-ZB
1
8
AoUT
V+
W:4.4V
C492
R286
2
7
N:1.3mV
A-IN
BoUT
CF5
100u
18k
C498
3
6
R394
R393
L72-1028-05
RF SW
6.3
A+IN
B-IN
R43
C587
R366
R367
C588
47p
4
5
0
10k
D20
V-
B+IN
0
R431
0.47u
0
0
0.47u
DAN235E
R287
330
R369
R368
27k
10k
10k
C494
10u
FREQUENCY
CONTROL
R370
R373
D6
10k
CF7
10k
R27
L18
C93
L72-1027-05
1u
C589
C590
W:1.2mV
0
1SV283F
5p
R371
R372
N:4.4V
FREQUENCY
CONTROL
0.47u
0
0
0.47u
R400
0
RIPPLE
FILTER AMP
R401
0
8.1V
Q6
R23
2SC4116(BL)F
R46
IC23
R324
100k
BH2220FVM
0
33
C542
0.1u
C621
0.1u
R382
R296
47k
1
8
R317
10
Ao1
LD
R33
R40
R321
100k
R333
100k
100k
R297
47k
2
7
R318
10
Ao2
CLK
1k
1k
R325
100k
R330
R384
100k
R383
R298
47k
3
6
R319
10
Ao3
DI
100k
100k
4
5
VCC
GND
1.7V
R11
C58
C67
OP-AMP
OP-AMP
DAC
IC29
IC32
680
22u16
22u16
NJM2732V
NJM2732V
PLL ACTIVE
FILTER AMP
Q4
R38
R44
2SC4116(BL)F
R12
22
0
1.1V
C541
R328
1k
0.7V
0.1u
0
R385
R388
Q2
2SC4116(BL)F
L26
100
0
PLL ACTIVE
1u
R323
FILTER AMP
0
C622
0.1u
5.1V
6
RF AMP
7
5V
Q3
C64
L20
L23
C87
8
1.6V
2SC4617(R)
C25
L10
0.1u
27u
27u
0.1u
9
0.1u
680n
R47
10
1.1V
1k
R245
IC5
ADF4111BCP7
47k
5V
3.7V
FREQUENCY PLL
4.8V
RF AMP
C438
Q30
2SC4617(R)
1.6V
3.1V
0.047u
L119
Q39
C401
R219
R225
C422
2SC4617(R)
RF AMP
1.1V
220n
0.047u
18
18
0.047u
L120
8.2u
RIPPLE
Q9
R64
FILTER AMP
2SC4116(BL)F
R90
0
33
R377
R379
R71
0
100
1k
OP-AMP
W:2.65V
CN64
N:2.65V
IC33
LMC7101BIM5
CV2
1
5
OUTPUT
V-
2
L27
C113
V+
3
4
1u
6p(B)
INPUT+
INPUT-
OSCILLATOR
Q7
C618
2SK508NV(K53)
C142
R77
100p
0.5p
47
R97
RIPPLE
A_ON:2.6V
100
A_OFF:2.6V
8.1V
FILTER AMP
L60
C220
Q27
R405
R167
2SC4116(BL)F
R201
VCO_A
22n
7.7V
4p
15k
0
33
DC SW
C187
Q10
2.0V
22p
2SC4116(BL)F
RF AMP
R183
R193
L29
C114
R83
L61
C214
Q17
1k
1k
1u
5p
4.7k
2SC3356-A(R24)
22n
4p
1.3V
C315
OSCILLATOR
FREQUENCY
27p
L30
Q8
CONTROL
2SK508NV(K53)
C143
R78
OSCILLATOR
D11
4T
0.5p
47
KV1470-G
C277
L93
Q24
C331
C361
L115
B_ON:2.4V
2SK508NV(K52)
R184
B_OFF:2.5V
1000p
100n
2p
0
1000p
82n
L87
Q14
1.5V
VCO_B
SSM3K15TE(F)
10u
DC SW
Q11
DC SW
2SC4116(BL)F
R84
4.7k
FREQUENCY
CONTROL
Q59
SSM3K15TE(F)
DC SW
R147
R154
R159
R161
270
0
0
0
R436
R435
4.7k
47k
Q61
Q60
SSM3K15TE(F)
SSM3K15TE(F)
DC SW
DC SW
RF AMP
5.1V
Q16
L42
L45
C156
2SC3356-A(R24)
1.6V
L114
L118
15n
15n
10p
L62
L101
68n
68n
10n
1.5u
R177
1.2V
47
C102
C330
470p
1000p
20
5.1V
6
20
AVDD1
CP
19
R65
RF AMP
7
AVDD1
CP
19
R194
AVDD2
RSET
Q22
4.9V
AVDD2
RSET
18
10k
R72
L48
2SC4617(R)
C274
L89
L96
C316
8
18
4.7k
R202
REFIN
VP
1.6V
REFIN
VP
17
2.2
1u
C225
L73
6.8u
6.8u
9
17
2.2
DGND1
DVDD2
5.1V
0.047u
0.047u
DGND1
DVDD2
5.1V
16
0.047u
220n
R163
10
16
DGND2
DVDD1
DGND2
DVDD1
1.1V
1k
R85
33k
R73
IC11
R203
PLL
ADF4111BCP7
100k
INDICATOR
100k
Q13
1.4mV
FREQUENCY PLL
2SA1832F
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
N:100mVrms
CN52
13
PLL_PWR_SAVE
W:109mVrms
14
GND
CN66
CN57
15
NC
RXA
16
FM_RSSI
CN53
17
PLL2_EN
18
AGC_RSSI
CN54
19
PLL_LOCK_DET
20
CoNT_5.0V
R210
CN58
21
NC
10
22
AD_DAT_READ
R236
CN55
23
GND
18
24
AD_CLK
C408
R223
CN56
CN59
25
NC(IF_NW_SW)
22p
18
R237
26
AD_DAT_WRITE
8.9V
18
27
IF_BW_SW
1.6V
RF AMP
28
AD_CS
Q33
2SC4725
29
D_GND
0.9V
R335
30
E2PROM_SCL
100k
C561
31
CoNT_5.0V
32
E2PROM_SDA
470p
33
D_GND
Q51
34
WP
SSM3K15TE(F)
35
GND
DC SW
36
GND
C560
470p
C559
EEPROM
0.1u
IC31
S24CS02AFJTBG
C565
VOLTAGE REGULATOR
VOLTAGE REGULATOR
470p
IC24
IC15
DC SW
W:13.8V
5.0V
NJM78L05UA-ZB
8.0V
NJM7808FA-ZB
13.7V
Q52
N:13.8V
1
3
R307
3
1
2SJ484
oUT
IN
oUT
IN
RF AMP
0
5.0V
GND
GND
Q38
2
2
C400
2SC4725
1.6V
22p
C437
VOLTAGE REGULATOR
VOLTAGE REGULATOR
1000p
0.9V
IC16
IC25
5.0V
NJM78L05UA-ZB
8.0V
NJM7808FA-ZB
DC SW
1
3
R308
3
1
oUT
IN
oUT
IN
Q50
GND
0
GND
SSM3K15TE(F)
2
2
VOLTAGE REGULATOR
L121
IC17
1.5u
5.0V
NJM78M05DL1AZB
3
1
oUT
IN
9.0V
R392
R211
GND
R309
0
2
100k
0
VOLTAGE
VOLTAGE REGULATOR
REGULATOR
2.4mV
Q34
IC18
IC26
2SA1832F
5.0V
NJM78M05DL1AZB
NJM2386ADL3-09
DC SW
Q37
3
1
SSM3K15TE(F)
oUT
IN
DC SW
GND
2
9.0V
R391
R310
0
0
VOLTAGE REGULATOR
IC19
VOLTAGE
NJM78M05DL1AZB
REGULATOR
3
1
IC27
oUT
IN
NJM2386ADL3-09
GND
19.2MHz REF_SIG
2
CN44
1
GND
2
POWER
3
POWER
CN45

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