Kenwood NXR-800 Service Manual Supplement page 149

RX UNIT(X55-3100-XX)
RF SW
W:-93.2dBm W:-90dBm D9
K N:-92.3dBm K2 N:-90.5dBm JDP4P02U
L35
3 2
CN41 MONITOR_PORT 3.3u C140
4 1
0.01u
W:-117.8dBm W:-116.7dBm
K K2 K:8.5V W:4.7V W:4.7V
N:-116.6dBm N:-117.2dBm K2:8.6V K K2
LNA * E1 E2 N:0.6mV N:4.6mV
K:1.0V Q1 R8 F10-2379-04 F10-2409-04
* L132 * L133 K2:3.5V 2SC5337 * L134 * L135
* C10 K:0.2V * L32
CN5 C7 1 5 C659 1 5 R410 L5 K2:2.8V C55 R407 1 5 C624 1 5 R39 R54 C117
470p 100p 0 8n 0 100p 0 MIX 0 82n 120p
4 8 4 8 4 8 4 8 A1
W02-1940-05
C14 C17 C24 C34
4 5 6
RX_SIGNAL 470p 470p 470p 470p
C15
C18 C26 C35 C47
0.1u C68 100p 3 2 1
470p 470p
D1 0.1u C27 470p C36 C48 R30 680k
R50
HSC119 1000p 1000p 0.1u
OP-AMP IC4 18 RF SW
R4 TA75S01F-F
D1 D10
SURGE 120 R19 3 4 JDP4P02U
PROTECTION VE CN40 IN(-) oUT 4 1
100k 2
C19 VEE 3 2 C141
R20 1 5
470p D2 IN(+) VCC 0.01u
D2 100k L31 L36 L39 R81
SURGE K W:0.7mV
PROTECTION 15n 15n 15n 0 N:4.7V
HSC119 C66 0.1u W:4.6mV
* R450 K2 N:4.7V
C69 470p
* R451
E3
K:-3.0V F10-3080-04
K2:0.7V 9.0V
C157 C169 L54 RF AMP C249 RF AMP
Q18
470p 15p 10n RD01MUS1 7p Q23
L76 2SC3356-A(R24) C285 L92
C232 R417
CN36 CN6
47p 10n 470p 10n 0
FINAL UNIT(N-DC)
(X45-3820-XX)(D/5) Q25
SSM3J01F
CN701
DC SW
DC SW
Q26
C701 SSM3K15TE(F)
C718
1u
C702 470p
470p
C717
1/2 DIVIDER
C703 470p
C716 IC9
470p C295 UPB1509GV C520 5.0V C585 L106
C704 0.1u K:1.6V
K2:1.5V 5.0V 1000p 1 8 0.01u 1.6V 47p 150n
10u25 C715 C237 RF AMP VCC1 VCC2 RF AMP
1000p C273 R156 C298 2 7 C329 C580 Q53
C705 33u16 Q21 IN OUT 2SC4725
2SC4725 22p 68 1000p 3 6 0.01u 0.01u
1u 0.9V IN SW2
4 5 0.9V
VOLTAGE GND SW1
REGULATOR
IC703
TK72130CS
C714
0.1u
C713
VOLTAGE 0.1u
REGULATOR VOLTAGE
REGULATOR
IC10
IC701 C712 TK11230CMCL-G
NJM78L05UA-ZB
3 1 L702 33u16 C291 6 VIN 1
IN oUT VCoNT
GND 47u 0.047u 5 2
GND2 GND1
2 C303 R403 4 VoUT 3 C332
0.047u 0 NoISEPASS 0.1u
C292 3V
10u35
IC702
LTC1046IS8
DC/DC C711
CONVERTER
10u16
L11 L13
C59
1.2u 1.2u
0.1u
X55-3100-XX L132 L133 L134 L135 R8 R362 R450 R451 C10 C12 C55 X55-3100-XX L131 R227 R233 R235
-10 K L79-1849-05 L79-1849-05 L79-1849-05 L79-1849-05 10 180 0 NO 8p 10p 8p -10 K 150n 100 68
-11 K2 L79-1852-05 L79-1852-05 L79-1852-05 L79-1852-05 4.7 100 NO 0 7p 6p(B) 8p(B) -11 K2 560n NO 0
W:7.8V W:7.8V
K N:0.5mV K2 N:0.2mV
W:3.7V K W:7.4V K2 W:7.3V
K N:5.2mV N:0.5mV N:4.6mV K W:3.2V K2 W:3.2V L112 W:-75.7dBm
RF AMP N:0.6mV N:0.2mV L39-1476-05 1 4 K N:-75.5dBm
XF1 K2 W:3.6V Q19 L123
L71-0646-05 N:4.3mV RD01MUS1 XF3 K W:2.2V K2 W:2.2V RF AMP 1 CN47 K2 W:-74.0dBm
C149 C166 C173 L58 L71-0648-05 N:0.8mV N:0.2mV Q28 6 2 3 3.3u N:-76.0dBm
C234 C241 C288 C307 L98 3SK317-E 2 D13
180n 4 JDP4P02U R270 C470
18p 18p 0.01u K W:1.2V K2 W:1.2V 1.8u W:1.2V 3
N:5.1mV N:4.4mV 27p 15p 15p 0.01u K N:0.4mV RF SW 10k 470p
W:1.2V C459
K2 C573 R351
7 7 7 7 N:0.2mV 220p
3 0.01u 220
1 6 6 1 1 6 1 4 L108
2 2 2 6 2 2 47n
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
K W:-104.1dBm
N:-102.1dBm RF SW
C572 R350 W:-101.8dBm L125 C428
K2 N:-103.2dBm D14 IF SYSTEM
0.01u 220 W:0.5mV W:0.2mV JDP4P02U 150n 56p IC12
K N:7.8V K2 N:7.9V C406 TA31137FNG
W:0.5mV W:4.4mV 2 3
W:5.2mV K K2 W:0.6mV W:0.2mV L113 0.01u
K N:3.7V RF AMP N:7.3V N:7.3V K K2 L39-1476-05
W:4.4mV N:3.2V N:3.2V 1 4 L126 C429 VCC=5.0V
XF2 K2 N:3.7V Q20 W:0.6mV W:0.2mV 1
L71-0645-05 RD01MUS1 XF4 K N:2.2V K2 N:2.1V RF AMP 6 150n 56p
C150 C167 C174 L59 L71-0647-05 Q29 2
C235 C242 C289 C308 L99 3SK317-E 4 C443
18p 18p 0.01u 180n W:5.2mV W:4.4mV W:0.6mV 3
K N:1.2V K2 N:1.2V 27p 15p 15p 0.01u 1.8u K N:1.2V 0.047u
K2 W:0.2mV C427 C474
N:1.2V
7 7 7 7
1 1 1 1 4 3 L109 0.47u 0.47u
6 6 6 6 K W:6.7V
2 2 2 2 2 47n W:6.7V N:1.2mV
3 4 4 3 3 4 4 3 6 K N:1.2mV W:6.6V
1 K2 N:0.4mV
8 8 8 8 C319 K2 W:6.6V
RF SW N:0.3mV CF2
L47 L53 L75 L91 L95 0.01u 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 C587
L137 DAN235E DAN235E DAN235E
0.47u 0 0 0.47u 0.47u
390n
NARROW R249 R259 R369
2.2k 2.2k
K W:1.3mV R250 R260 W:1.2mV W:1.2mV R370
N:4.4V 10k CF3 10k N:4.34V N:4.33V
W:4.2mV L72-1027-05
K2 N:4.3V C441 R255 R258 C455 C589
0.47u 0 0 0.47u 0.47u
4.9V
R213 R230
K:3.1V 56k 10
Q32 K2:3.0V
SSM3J01F C391 CF4
L72-1027-05
DC SW 0.01u Q35 2.3V TEMPERATURE SENSOR
2SC4725 VOLTAGE
C415 R231 LM50BIM3/NOPB IC35 REGULATOR
RF AMP
0.01u 68 2 1 IC28
Q31 Vo +VS AD1582
SSM3K15TE(F) GND
DC SW 1 VIN 3
3 C518 0.1u VoUT
GND
C519 470p
C466 2
2.5V
L116 C407 C444 R281 R292 C652 C557
0.047u 0.047u R340 1k
150n 56p 0.047u 10k 0 0.1u
L110 C373 R326 10 C558 R341 1k
VOLTAGE
150n 0.01u IF SYSTEM REGULATOR 470p R342 1k
L117 C402
IC13 IC22
150n 56p AD607Z XC6204B332M
4 3 OP-AMP
4.9V NC CE ADC
2 IC30
R214 R232 VSS AD7908BRU NJM2732V
5 1
3.0V 56k 10 VCC=5V OP-AMP VOUT VIN
C392 CF6
R263 L72-1028-05 C516 0.047u L130
0.01u Q36 2.3V C463 C478
2SC4725 C416 * R233 18k R273 R280 C517 10u 10u
10k
RF AMP 0.47u 1.5k 0.47u CN65
0.01u 3.3V ASQ R337
1k
DDS
K:5.1V IC7
K2:5V AD9835BRUZ K:5.1V
K2:5V
C188 16 1
CoMP FSADJUST
0.01u 15 REFIN 2
AVDD
14 REFoUT 3 BUFFER AMP
IoUT
R86 13 DVDD 4 IC8
K:5.1V AGND NJU6368PF1
K2:5.0V K:5.0V 100k 12 DGND 5 L79 L81 R149 1 FoUT 6
R32 R99 330 PSEL0 VSS C301 L100 L103 C342
K2:4.9V 2.4V 11 MCLK 6 1u 820n 820 2 VDD 5
100k K:2.4V PSEL1 3 XT XT 4 0.047u 390n 390n 0.047u
K2:4.1V L72-1019-05 CF1 1.8V C160 R100 0 10 SCLK 7 CoNT
L34 L37 FSELECT C290
C77 R42 R53 R357 C144 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
C349 C367 C673 C674
100 120p 56p NO NO
NO 68p 33p 33u16 33u16
L128
L34-4725-05 DC SW
Q58
3 2 1 SSM3K15TE(F)
8 7
Q57
4 6 DTA144EE
DC SW
DETECTOR
D17
MA3J742
C510
C477 R285 OP-AMP
R120 R128 VCO_A:457.5MHz 1.18V
0.1u 330k 0.1u K VCO_B:472.5MHz 2.22V
R278 IC6 10k 100
1.5k DETECTOR LMC7101BIM5 K2 VCO_A:488.5MHz 3.04V
Q40 D18 VCO_B:503.95MHz 2.91V
2SC4617(S) MA3J742 1 OUTPUT V- 5 CN63
RF AMP 2 CV1
V+
3
INPUT+ 4
INPUT- 8.1V
R430 L27
C175
330 1u
100p
FREQUENCY
R293 18k CONTROL
R26 * L17 D5 * C92 L28
R300 10k
0 1SV283F 3T
FREQUENCY
OP-AMP
CONTROL
IC20
NJM4558E-ZB
K W:4.4V 1 8
N:1.3mV AoUT V+
W:4.3V C492 R286 2 7
K2 N:0.2mV A-IN BoUT
100u 10k C498 3 6 R394 R393
CF5 A+IN B-IN R43
L72-1028-05 RF SW 47p 4 5 0 10k
R366 R367 C588 D20 V- B+IN 0 R431 L29
DAN235E R287
0 0 0.47u 330 1u
27k
R368
10k 10k C494
10u FREQUENCY
CONTROL
*
R373 R27 L18 D6 * C93 L30
10k CF7 10k
L72-1027-05 W:1.2mV W:4.2mV 0 1SV283F 3T
R371 R372 C590 K N:4.4V K2 N:4.3V
FREQUENCY
0 0 0.47u CONTROL
R400
0
K:8.1V RIPPLE
K2:7.9V FILTER AMP
R401 0 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
K:1.7V
K2:1.8V
R11 C58 C67
OP-AMP DAC
680 22u16 22u16
IC29 IC32
NJM2732V PLL ACTIVE
FILTER AMP
R38 R44
Q4
R12 2SC4116(BL)F K:1.1V 100 0
K2:1.2V
C541 R328 1k
0.7V
0.1u 0 R385 R388
2SC4116(BL)F Q2 L26
100 0
PLL ACTIVE 1u
R323 FILTER AMP
0 C622
0.1u
K:5.1V
K2:5.0V 6
RF AMP AVDD1
5V 7
Q3 L20 L23 AVDD2
1.6V 2SC4617(R) C64 C87 8
L10 REFIN
C25 0.1u 1.2u 1.2u 0.1u 9
DGND1
0.1u 680n K:1.1V 10
K2:1.0V DGND2
R245 IC5
ADF4111BCP7
47k
K:5V FREQUENCY PLL
K:4.8V K2:4.9V 3.7V
K2:4.9V RF AMP C438
Q30
2SC4617(R) 1.6V 3.1V 0.047u
Q39
L119 C401 R219 R225 C422 2SC4617(R)
K:1.1V RF AMP
K2:0.9V 220n 0.047u 18 18 0.047u
L120
8.2u
X55-3100-XX TH2 TH3 L17 L18 L21 L 22 L40
-10 K NO NO L41-1095-33 L41-1095-33 L41-1095-33 L41-1095-33 L41-1095-33
-11 K2 157-103-53007(10k) 157-103-53007(10k) L41-1098-40 L41-1098-40 L41-1098-40 L41-1098-40 L41-1098-40 L41-1098-40
RIPPLE
FILTER AMP Q9
R64 2SC4116(BL)F R90
0 33
R377 R379 W:2.65V
R71 K N:2.65V
OP-AMP 0 100 W:2.36V
1k K2 N:2.36V
IC33 CN64
LMC7101BIM5
CV2
1 5
OUTPUT V-
C113 2
V+
6p(B) 3 INPUT+ 4
INPUT-
OSCILLATOR
Q7 C618
2SK508NV(K53) C142 * R77
100p
0.5p
K A_ON:2.6V R97
A_OFF:2.6V RIPPLE
A_ON:2.0V 100 FILTER AMP
K2 A_OFF:2.1V 8.1V Q27
L60 C220 R405 2SC4116(BL)F R201
VCO_A R167
K:7.7V K2:7.8V 22n 4p 15k
0 33
DC SW C187
Q10 K:2.0V
2SC4116(BL)F K2:1.9V 22p R183 R193
* C114 R83 RF AMP
Q17 L61 C214 1k 1k
4.7k 2SC3356-A(R24)
K:1.3V 22n 4p
K2:1.2V
C315
OSCILLATOR 27p
Q8 C143 FREQUENCY
2SK508NV(K53) 0.5p * R78 CONTROL OSCILLATOR
D11
B_ON:2.4V KV1470-G Q24
K B_OFF:2.5V C277 L93 2SK508NV(K52) C331 R184 C361 L115
B_ON:2.1V
K2 B_OFF:1.9V 1000p 100n 2p 0 1000p 82n
L87 1.5V
VCO_B DC SW Q14 10u
SSM3K15TE(F)
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
47k
Q61 Q60
SSM3K15TE(F) SSM3K15TE(F)
DC SW DC SW
K:5.1V
K2:5.0V RF AMP
Q16
L42 L45 C156 2SC3356-A(R24) 1.6V L114 L118 C400
15n 15n 10p L62 L101 68n 68n 22p
* R57 K:1.2V 10n 1.5u R177
K2:1.0V
47
C102 C330
470p 1000p
K:5.1V
20 K2:5.0V 6 20
CP * RF AMP K:4.9V AVDD1 CP
19 R65 K2:5.0V 7 19 R194
RSET L48 Q22 C274 L89 L96 AVDD2 RSET L121
18 R72 1.6V 2SC4617(R) C316 8 18 4.7k R202
VP K:5.1V L73 390n 390n REFIN VP K:5.1V
17 K2:5.0V 2.2 1u C225 0.047u 0.047u 9 17 K2:5.0V 2.2 1.5u
DVDD2 DGND1 DVDD2
16 0.047u 220n K:1.1V 10 16
DVDD1 K2:1.0V DGND2 DVDD1
R85
33k
R73 IC11 R203
PLL ADF4111BCP7
100k INDICATOR 100k
Q13 K:1.4mV FREQUENCY PLL
2SA1832F K2:0.2mV 2SA1832F
DC SW DC SW
Q15 Q56
SSM3K15TE(F) SSM3K15TE(F)
DC SW DC SW
L41 R31 R57 R65 R77 R78 R436 R456 R457 C89 C91 C92 C93 C94 C95 C106 C114 C204 C205 C629
L41-1095-33 270 NO 8.2k 47 47 3.9k NO NO 22p 18p 5p 5p 6p(B) 5p 5p 5p(B) 470p 470p NO
470 47 10k 150 150 4.7k 47 47 18p(G) 12p 4p 4p 4p 4p 4p(G) 6p NO NO 470P
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
STD Devi CN51 11 SIF_DAT AT RX ANT -47dBm INPUT
N:100mVrms
K W:109mVrms 12 RX_AUDIO
N:94Vrms CN52
K2 W:93Vrms 13 PLL_PWR_SAVE
14 GND
CN66 CN57
RXA 15 NC
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
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
1.6V
RF AMP 28 AD_CS
2SC4725 Q33 29 D_GND
0.9V R335 30 E2PROM_SCL
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
EEPROM
0.1u
IC31
S24CS02AFJTBG
C565
W:13.8V
VOLTAGE REGULATOR VOLTAGE REGULATOR 470p K N:13.8V
IC15 IC24 DC SW K2 W:13.7V
5.0V NJM78L05UA-ZB 8.0V NJM7808FA-ZB 13.7V N:13.7V
Q52
1 3 R307 3 1 2SJ484
RF AMP oUT IN oUT IN
5.0V GND 0 GND
Q38
2SC4725 1.6V 2 2
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
IC17
5.0V NJM78M05DL1AZB
3 1 9.0V R392
oUT IN
GND R309 0
R211
100k 2 0
VOLTAGE
K:2.4mV REGULATOR
K2:1.1mV VOLTAGE REGULATOR
Q34 IC18 IC26
5.0V NJM78M05DL1AZB NJM2386ADL3-09
Q37 3 1
SSM3K15TE(F) oUT IN
DC SW GND
2 9.0V R391
R310 0
VOLTAGE REGULATOR 0
IC19 VOLTAGE
NJM78M05DL1AZB
REGULATOR
3 1
oUT IN IC27
GND NJM2386ADL3-09
19.2MHz REF_SIG
2
X55-3100-XX C675
-10 K NO
-11 K2 33u16
CN44
1 GND
2 POWER
3 POWER
CN45