Kenwood NXR-800 Service Manual page 176

RX UNIT(X55-3100-10)
RF SW
W:-93.2dBm D9
N:-92.3dBm JDP4P02U
L35
3 2
CN41 MONITOR_PORT 3.3u
4 1
W:-117.8dBm
N:-116.6dBm 8.5V W:4.74V
LNA E1 E2 N:0.6mV
Q1 R8 F10-2379-04 F10-2409-04
L132 L133 0.96V 2SC5337 L134 L135
L79-1849-05 L79-1849-05 10 L79-1849-05 L79-1849-05 L32
CN5 C7 C659 R410 C10 L5 0.22V C55 R407 C624 R39 R54 C117
470p 100p 0 8p 8n 8p 0 100p 0 MIX 0 82n 120p
A1
W02-1940-05
C14 C17 C24 C34 4 5 6
470p 470p 470p 470p
RX_SIGNAL C15
0.1u C18 C26 C35 C47
470p 470p C68 100p 3 2 1
D1 0.1u C27 470p C36 C48 R30 680k
R50
HSC119 1000p 0.1u
1000p OP-AMP IC4 18 RF SW
TA75S01F-F
D1 R4 D10
SURGE 120 R19 3 4 JDP4P02U
PROTECTION VE CN40 IN(-) oUT 4 1
100k 2
C19 VEE 3 2
R20 1 5
470p IN(+) VCC
D2 100k L31 L36 L39 R81
D2 SURGE
PROTECTION 15n 15n 15n 0
R450 HSC119 C66 0.1u W:0.68mV
0 C69 470p N:4.74V
E3
-3.0V 9.014V F10-3080-04
C157 C169 L54 RF AMP C249 RF AMP
Q18
470p 15p 10n RD01MUS1 7p Q23
2SC3356-A(R24)
C232 L76 C285 L92 R417
CN36 CN6
47p 10n 470p 10n 0
FINAL UNIT(N-DC)
(X45-3820-10)(D/5)
Q25
CN701 SSM3J01F
DC SW
DC SW
Q26
C701 SSM3K15TE(F)
C718
1u
C702 470p
470p
C717
1/2 DIVIDER
C703 470p
IC9
470p C716 C295 UPB1509GV C520 C585 L106
4.98V
C704 0.1u 5.0V 1000p 1 8 0.01u 47p 150n
C715 C237 1.57V VCC1 VCC2 1.59V 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 0.94V IN SW2
4 5 0.9V
VOLTAGE GND SW1
REGULATOR
IC703
TK72130CS
C714
0.1u
C713
0.1u
VOLTAGE VOLTAGE
REGULATOR REGULATOR
IC701 C712 IC10
NJM78L05UA-ZB TK11230CMCL-G
L702 33u16
3 1 C291 6 VIN VCoNT 1
IN oUT 47u
GND 0.047u 5 GND2 GND1 2
2 C303 R403 4 VoUT 3 C332
NoISEPASS
0.047u 0 0.1u
C292 W:3V
N:3V
10u35
IC702
LTC1046IS8
C711
DC/DC
CONVERTER 10u16
L11 L13 C59
1.2u 1.2u 0.1u
W:3.21V W:7.83V L112
W:7.35V N:0.6mV N:0.49mV L39-1476-05 1 4
XF1 W:3.67V N:0.51mV L123
L71-0646-05 N:5.2mV XF3 W:2.16V RF AMP 1 CN47 W:-75.7dBm
C140 C149 C166 C173 L58 RF AMP L71-0648-05 N:0.8mV Q28 6 2 3 3.3u N:-75.5dBm
Q19 C234 C241 C288 C307 L98 3SK317-E 2 D13
180n RD01MUS1 4 JDP4P02U R270 C470
0.01u 18p 18p 0.01u W:1.2V 1.8u W:1.2V 3
N:5.1mV 27p 15p 15p 0.01u N:0.4mV RF SW 10k 470p
C459
L108 C573 R351
7 7 7 7 220p
3 47n 0.01u 220
1 6 6 1 1 1 4
2 2 2 6 6 2 2
4 4 4 4 6
3 3 3 3 1
8 8 8 8 C318
C461
L46 L52 L74 L90 L94 0.01u C577
L34-4749-05 L34-4749-05 L34-4748-05 L34-4748-05 L39-1476-05 220p
0.01u
L136
CN46 390n
WIDE
C572 R350 W:-104.1dBm RF SW L125 C428
N:-102.1dBm D14 IF SYSTEM
220 JDP4P02U 150n 56p IC12
0.01u C406 TA31137FNG
2 3
W:0.49mV L113 0.01u
W:0.6mV N:7.83V L39-1476-05
W:0.5mV N:3.21V 1 4 L126 C429
XF2 W:5.2mV N:7.33V 1 VCC=4.98V
L71-0645-05 N:3.7V XF4 W:0.6mV RF AMP 6 150n 56p
C141 C150 C167 C174 L59 RF AMP L71-0647-05 N:2.17V Q29 2
Q20 C235 C242 C289 C308 L99 3SK317-E C443
180n RD01MUS1 3 4
0.01u 18p 18p 0.01u W:5.2mV 1.8u W:0.6mV 0.047u
N:1.22V 27p 15p 15p 0.01u N:1.21V
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:6.67V W:6.67V
3 3 3 3 6 1 N:1.2mV N:1.2mV
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
L137 DAN235E DAN235E DAN235E
0.47u 0 0 0.47u
390n
NARROW R249 R259
2.2k 2.2k
W:1.3mV R250 R260 W:1.2mV W:1.2mV
N:4.36V 10k CF3 10k N:4.34V N:4.33V
L72-1027-05
C441 R255 R258 C455
0.47u 0 0 0.47u
4.93V
R213 R230
3.07V 56k 10
Q32 CF4
SSM3J01F C391 L72-1027-05
DC SW 2.33V TEMPERATURE SENSOR
0.01u Q35 VOLTAGE
2SC4725 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 C518 0.1u VoUT VIN
GND
C519 470p
2
2.49V C466
L116 C407 C557
C444 0.047u R281 R292 C652
150n 56p 0.047u R340 1k
L110 C373 0.047u 10k 0 0.1u
R326 10 C558 R341 1k
150n 0.01u VOLTAGE
L117 C402 IF SYSTEM REGULATOR 470p R342 1k
IC22
150n 56p IC13 XC6204B332M
AD607Z
4 3
NC CE ADC
4.91V 2
VSS IC30
R214 R232 5 1 AD7908BRU
VOUT VIN
3.04V 56k 10 VCC=5V OP-AMP
C392 R263 CF6 C516 0.047u L130
0.01u Q36 2.31V L72-1028-05
2SC4725 18k C463 R273 C478 R280 C517 10u 10u
C416 R233
RF AMP 0.47u 1.5k 0.47u 10k W:3.3V CN65
0.01u 68 N:3.3V R337
ASQ
1k
DDS
IC7
5.06V AD9835BRUZ
5.06V
C188 16 FSADJUST 1
0.01u 15 CoMP 2
REFIN
14 AVDD 3
REFoUT
R86 13 IoUT 4 BUFFER AMP
DVDD
5.05V 100k 12 AGND 5 IC8
R99 330 DGND NJU6368PF1
R32 4.98V 11 PSEL0 6 L79 L81 R149
2.44V MCLK 1 FoUT 6
100k CF1 C160 R100 0 10 PSEL1 7 1u 820n 820 2 VDD VSS 5 C301 L100 L103 C342
2.44V L72-1019-05 1.79V SCLK XT
C77 R42 R53 L34 L37 R357 C144 0.1u 9 FSELECT 8 3 XT 4 0.047u 390n 390n 0.047u
Q12 SDAT CoNT C290
3.52V Q5 0.1u 0 0 12u 12u 470 0.1u 2SC4617(R) FSYNC 0.047u
2SC4617(R) R68 RF AMP C279
RF AMP 3.9k 0.047u
L88
8.2u
L128
L34-4725-05 DC SW
Q58
3 2 1 SSM3K15TE(F)
8 7
Q57
4 6 DTA144EE
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:457.5MHz 1.18V
1.5k Q40 D18 VCO_B:472.5MHz 2.22V
2SC4617(S) MA3J742 1 5 CN63
OUTPUT V-
RF AMP 2 CV1
V+
3 INPUT+ 4
INPUT- 8.06V
R430
C175
330
100p
FREQUENCY
R293 18k CONTROL
R26 L17 D5 C92 L28
R300 10k
0 1u 5p 3T
1SV283F
OP-AMP FREQUENCY
CONTROL
IC20
NJM4558E-ZB
1 8
W:4.36V AoUT V+
N:1.3mV C492 R286 2 7
A-IN BoUT
CF5 100u 10k C498 3 6 R394 R393
L72-1028-05 RF SW A+IN B-IN R43
C587 R366 R367 C588 D20 47p 4 5 0 10k
DAN235E R287 V- B+IN 0 R431
0.47u 0 0 0.47u 330
27k
R369 R368
10k 10k C494
10u FREQUENCY
CONTROL
R370 R373 W:1.2mV R27 L18 D6 C93
10k CF7 10k N:4.35V
L72-1027-05 0 1u 5p
C589 R371 R372 C590 1SV283F
FREQUENCY
0.47u 0 0 0.47u CONTROL
R400
0
RIPPLE
FILTER AMP
R401 0 8.05V 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
R321 100k R333 100k 100k R297 47k 2 7 R318 10 1k 1k
R325 100k R330 R384 100k R383 R298 47k 3 6 R319 10
100k 100k 4 5
1.68V
C58 C67
OP-AMP R11
OP-AMP DAC
IC29 IC32 680 22u16 22u16
NJM2732V NJM2732V PLL ACTIVE
FILTER AMP
Q4 R38 R44
2SC4116(BL)F
R12 100 0
C541 1k 1.14V
R328 0.65V
0.1u 0 R385 R388
Q2 L26
100 0 2SC4116(BL)F
PLL ACTIVE 1u
R323
FILTER AMP
0 C622
0.1u
6
5.06V
RF AMP 5V 7
Q3
1.61V 2SC4617(R) C64 L20 L23 C87 8
C25 L10 0.1u 1.2u 1.2u 0.1u 9
0.1u 680n 10
1.07V
IC5
R245 ADF4111BCP7
FREQUENCY PLL
47k
W:5V W:3.73V
4.81V RF AMP
C438
Q30
2SC4617(R) 1.62V W:3.11V Q39 0.047u
L119 C401 R219 R225 C422 2SC4617(R)
220n 0.047u 18 18 0.047u RF AMP
1.06V
L120
8.2u
RIPPLE
FILTER AMP Q9
R64 2SC4116(BL)F R90
0 33
R377 R379
R71
OP-AMP 0 100 W:2.65V
1k N:2.65V
IC33 CN64
LMC7101BIM5
CV2
1 5
OUTPUT V-
L27 C113 2
V+
1u 6p(B) 3 INPUT+ 4
INPUT-
OSCILLATOR
Q7 C618
2SK508NV(K53) C142 R77
100p
0.5p 47
A ON:2.55V R97
A OFF:2.64V RIPPLE
100 FILTER AMP
8.11V
L60 C220 Q27
VCO_A R405 R167 2SC4116(BL)F R201
7.71V 22n 4p
15k 0 33
DC SW C187
Q10 2.02V 22p
L29 2SC4116(BL)F RF AMP R183 R193
C114 R83 Q17 L61 C214 1k 1k
1u 5p(B) 4.7k 2SC3356-A(R24)
22n 4p
1.28V
C315
OSCILLATOR
Q8 FREQUENCY 27p
L30 2SK508NV(K53) C143 R78 CONTROL
OSCILLATOR
3T 0.5p 47 D11 Q24
KV1470-G C277 L93 2SK508NV(K52) C331 R184 C361 L115
B_ON:2.38V
B_OFF:2.48V 1000p 100n 2p 0 1000p 82n
Q14
SSM3K15TE(F) L87
DC SW 1.5V
VCO_B 10u
DC SW
Q11
2SC4116(BL)F
R84
4.7k FREQUENCY
CONTROL
Q59
SSM3K15TE(F)
DC SW
R147 R154 R159 R161
270 0 0 0
R436 R435
3.9k 47k
Q61 Q60
SSM3K15TE(F) SSM3K15TE(F)
DC SW DC SW
RF AMP
5.05V Q16
L42 L45 C156 2SC3356-A(R24) L114 L118
1.57V
15n 15n 10p L62 L101 68n 68n
10n 1.5u R177
1.24V 47
C102 C330
470p 1000p
20 6 20
CP 5.06V CP
AVDD1 19 R65 RF AMP 4.88V 7 AVDD1 19 R194
AVDD2 RSET Q22 AVDD2 RSET
18 6.8k R72 L48 1.61V 2SC4617(R) C274 L89 L96 C316 8 18 4.7k R202
REFIN VP REFIN VP
17 5.06V 2.2 1u C225 L73 0.047u 390n 390n 0.047u 9 17 5.06V 2.2
DGND1 DVDD2 DGND1 DVDD2
16 0.047u 220n 10 16
DGND2 DVDD1 1.06V DGND2 DVDD1
R85
33k
R73 PLL IC11 R203
INDICATOR ADF4111BCP7
100k Q13 FREQUENCY PLL 100k
2SA1832F 1.4mV
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
STD Devi 12 RX_AUDIO
N:100mVrms
W:109mVrms CN52 13 PLL_PWR_SAVE
14 GND
CN66
RXA CN57 15 NC
16 FM_RSSI
CN53
17 PLL2_EN
18 NC(AGC_RSSI)
CN54
19 PLL_LOCK_DET
20 CoNT_5.0V
R210 CN58
21 NC
10
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
8.9V 18 27 IF_BW_SW
1.58V RF AMP 28 AD_CS
Q33 29 D_GND
2SC4725
R335 30 E2PROM_SCL
0.89V
100k 31 CoNT_5.0V
C561
32 E2PROM_SDA
470p
33 D_GND
Q51 34 WP
SSM3K15TE(F)
35 GND
DC SW
36 GND
C560
470p
C559
0.1u EEPROM
IC31
S24CS02AFJTBG
C565
VOLTAGE REGULATOR
VOLTAGE REGULATOR 470p
W:4.96V IC15 IC24 W:13.78V
N:4.96V NJM78L05UA-ZB W:8.02V NJM7808FA-ZB W:13.7V DC SW N:13.78V
Q52
1 3 R307 3 1 2SJ484
oUT IN oUT IN
RF AMP GND 0 GND
4.95V Q38
C400 2SC4725 2 2
1.58V
22p C437
1000p VOLTAGE REGULATOR VOLTAGE REGULATOR
IC25
0.94V IC16
W:5.08V NJM78L05UA-ZB W:8.04V NJM7808FA-ZB
1 3 R308 3 1
oUT IN oUT IN Q50
0 SSM3K15TE(F)
GND GND
2 2 DC SW
VOLTAGE REGULATOR
L121 IC17
5.07V NJM78M05DL1AZB
1.5u
3 1
oUT IN W:9.02V R392
GND R309 0
R211
2 0
100k
VOLTAGE
REGULATOR
VOLTAGE REGULATOR
Q34 IC26
2SA1832F 2.4mV IC18 NJM2386ADL3-09
W:5.07V NJM78M05DL1AZB
DC SW
3 oUT IN 1
Q37
SSM3K15TE(F) GND
DC SW 2 R391
W:8.98V
R310 0
VOLTAGE REGULATOR 0
IC19 VOLTAGE
NJM78M05DL1AZB REGULATOR
3 1 IC27
oUT IN NJM2386ADL3-09
GND
2
CN44
1 GND
2 B
3 B
CN45
19.2MHz REF1