Kenwood NXR-700 Service Manual page 155

RX UNIT(X55-3090-XX)
RF SW
W:-87dBm W:-88dBm D9
K N:-87.5dBm K2 N:-88.5dBm JDP4P02U
L35
3
CN41 MONITOR_PORT 3.3u
4
W:-117.5dBm * * * * * *
K N:-118dBm C635 C636 C637 C638 C639 C640 C641 C642 C643 C644 C645 C646
W:-118.3dBm
K2 N:-118.8dBm 0.75p 0.75p 0.75p 0.75p 0.75p 0.75p K W:4.8V K2 W:4.7V
K:8.7V N:0V N:0V
K2:8.5V
LNA * E1 E2
K:1.0V Q1 R8 F10-2379-04 F10-2409-04
K2:3.5V 2SC5337
C10 L5 K:0.2V C55 C647 L32 C117
CN5 K2:2.8V R39 R54
22n 82n
1000p 12p 1000p 0 MIX 0 120p
A1
W02-1940-05
C14 5
4 6
C17 C26 C35 C47
RX_SIGNAL 1000p
C15 C68 100p
1000p 470p 470p 1000p
0.1u C18 C27 C36 C48 R30 680k 3 1
2
D1 0.1u C572
0.1u 1000p 1000p OP-AMP IC4 * R50
HSC119 TA75S01F-F 0.01u
R4
R19 3 4 D10
D1 120 IN(-) oUT JDP4P02U
SURGE VE 100k 2
PROTECTION CN40 VEE 4
R20 1 5
C19 IN(+) VCC 3
100k
1000p
D2 D2 * L31 * L36 * L39
SURGE C66 0.1u R81
* R450 PROTECTION C69 1000p 0 K W:0V K2 W:0V
HSC119 N:4.8V N:4.7V
*
R451
E3
F10-3080-04
-3V 9.0V
L54
C157 C169 RF AMP C249 RF AMP
10n Q18
1000p 27p RD01MUS1 15p Q23
* C232 * L76 2SC3356-A(R24) * C285 * L92
R417
CN36 CN6
0
FINAL UNIT(N-DC)
(X45-3810-XX)(D/5) Q25
SSM3J01F
CN701
DC SW
DC SW
Q26
C701 SSM3K15TE(F)
C718
1u
C702 1000p
1000p
C717
1/2 DIVIDER
C703 1000p
C716 IC9
1000p C295 UPB1509GV C520 5V C585
C704 0.1u
1.6V 5V 1000p 1 8 0.01u 1.6V 47p
10u25 C715 C237 VCC1 VCC2 RF AMP
1000p RF AMP 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 K:1.0V IN SW2 0.9V
K2:0.9V 4 5
VOLTAGE GND SW1
REGULATOR
IC703
TK72130CS
C714
0.1u
C713
VOLTAGE 0.1u VOLTAGE
REGULATOR REGULATOR
IC701 IC10
NJM78L05UA-ZB C712 TK11230CMCL-G
3 1 L702 33u16 C291 6 1 5V
IN oUT VIN VCoNT
GND 47u 0.047u 5 2
GND2 GND1
2 C303 R403 4 VoUT 3 C332
0.047u 3V 0 NoISEPASS 0.1u
C292
10u35
IC702
LTC1046IS8
C711
DC/DC
CONVERTER 10u16
L11 L13
1.2u 1.2u
X55-3090-XX L31 L36 L39 L76 L80 L92 L132 L133 L134 L135 L136 L137 L138 L139
-10 K 33n 33n 33n 39n 39n 39n L34-4614-05 (8T) L34-4614-05 (8T) L34-4614-05 (8T) L34-4614-05 (8T) L34-4614-05 (8T) L34-4614-05 (8T) L34-4614-05 (8T) L34-4614-05 (8T)
-11 K2 39n 39n 39n 47n 47n 10n L34-4615-05 (9T) L34-4615-05 (9T) L34-4615-05 (9T) L34-4615-05 (9T) L34-4615-05 (9T) L34-4615-05 (9T) L34-4615-05 (9T) L34-4615-05 (9T)
X55-3090-XX R8 R48 R50 R55 R362 R450 R451 C12 C103 C137 C232 C285 C624 C625 C626 C627 C628 C629 C631 C632 C633 C634 C636 C638 C640 C642 C644 C646 C648 C649 C650 C659 X55-3090-XX L131
-10 K 0 220 22 220 180 0 NO 8p 12p 12p 100p 47p 39p 5p 5p 6p 39p 6p 5p 5p 6p 39p 0.75p 0.75p 0.75p 0.75p 0.75p 0.75p 12p 12p 39p 6p -10 K 150n
-11 K2 22 270 18 270 100 NO 0 6p 15p 15p 39p 12p 27p 4p 4p 5p 27p 5p 4p 4p 5p 27p 1p 1p 1p 1p 1p 1p 15p 15p 27p 5p -11 K2 560n
W:3.3V
W:7.4V K N:0V
K N:0V W:3.2V
K2 N:0V W:7.8V L112 1 4 W:-73dBm
W:3.6V K2 W:7.3V N:0V L39-1476-05 K N:-74dBm
XF1 N:0V N:0V W:2.2V W:2.1V L123 W:-73.5dBm
2 L71-0646-05 XF3 K N:0V K2 N:0V RF AMP 1 CN47 K2
C140 C149 C166 C173 L58 RF AMP L71-0648-05 Q28 6 2 3 3.3u N:-76dBm
1 Q19 C234 C241 C288 C307 L98 3SK317-E 2 D13
180n W:1.2V RD01MUS1 W:1.2V 4 JDP4P02U R270 C470
0.01u 18p 18p 0.01u N:0V 1.8u N:0V 3
27p 15p 15p 0.01u RF SW 10k 470p
C459
L108 C573 R351
7 7 7 7 220p
3 47n 0.01u 220
1 6 6 1 1 6 1 4
2 2 2 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 0.01u 220p
L140
390n
CN46 WIDE
RF SW
L125 C428
R350 W:-99dBm D14 IF SYSTEM
N:-99.5dBm JDP4P02U 150n 56p IC12
220 W:0V 2 3 C406 TA31137FNG
K W:0V K N:7.9V L113
RF SW N:7.4V W:0V W:0V L39-1476-05 0.01u VCC=5V
W:0V N:3.2V K2 N:7.8V L126
W:0V K2 N:7.3V 1 4 C429
1 XF2 N:3.6V K W:0V K2 W:0V RF AMP 1
L71-0645-05 RF AMP XF4 N:2.2V N:2.1V 6 150n 56p
2 C141 C150 C167 C174 L59 L71-0647-05 Q29 2
Q20 C235 C242 C289 C308 L99 3SK317-E 4 C443
0.01u 18p 18p 0.01u 180n W:0V RD01MUS1 W:0V 3
N:1.2V 27p 15p 15p 0.01u 1.8u N:1.2V 0.047u
C427
L109
7 7 7 7 0.47u
1 1 1 1 4 3 47n
6 6 6 6 K W:6.7V K W:6.7V
2 2 2 2 2 N:0V N:0V
3 4 4 3 3 4 4 3 6 W:6.6V W:6.6V
1 K2 N:0V K2 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 L141 D15 C440 R254 R257 C454 D16 D19
DAN235E DAN235E DAN235E
390n 0.47u 0 0 0.47u
NARROW R249 R259
2.2k 2.2k
R250 R260
W:0V W:0V W:0V
N:4.4V 10k CF3 10k K N:4.4V K N:4.4V
L72-1027-05
C441 R255 R258 C455 K2 W:0V K2 W:0V
N:4.3V N:4.3V
0.47u 0 0 0.47u
R213 R230
K:3.1V
K2:3.0V 56k 4.9V 10
Q32
SSM3J01F C391 L72-1027-05 CF4
DC SW 0.01u Q35 2.3V TEMPERATURE SENSOR
2SC4725 IC35 VOLTAGE
C415 R231 LM50BIM3/NOPB REGULATOR
RF AMP
0.01u 68 2 1 IC28
Q31 Vo +VS AD1582
SSM3K15TE(F) GND
DC SW 1 VoUT VIN 3
3 C518 0.1u
GND
C519 1000p 2
C450 C466
C557
L116 C407 C444 0.47u 0.047u R281 R292 C652
R340 1k
150n 56p 0.047u 10k 0 0.1u 0.047u
L106 L110 C373 R326 10 C558 R341 1k
VOLTAGE
150n 150n 0.01u IF SYSTEM REGULATOR 1000p R342 1k
L117 C402
150n IC13 IC22
56p AD607Z XC6204B332M
VCC=5V 4 3
NC CE ADC
2 IC30
R214 R232 VSS AD7908BRU
K:3.1V 5 1
K2:3.0V 56k 4.9V 10 OP-AMP VOUT VIN
C392 CF6
K:2.4V R263 L72-1028-05 C516 0.047u L130
0.01u Q36 K2:2.3V R273 C478 R280 C517 10u
2SC4725 C416 * R233 18k C463 10u
RF AMP 1.5k 0.47u 10k CN65
0.01u 0.47u 3.3V
ASQ R337
1k
DDS
5V IC7
AD9835BRUZ K:5V
K2:4.5V
C188 16 FSADJUST 1 BUFFER AMP
CoMP
0.01u 15 REFIN 2 IC8
AVDD NJU6368PF1
14 REFoUT 3 L79 L81 R149
IoUT 1 FoUT 6
R32 R86 13 DVDD 4 1u 820n 820 2 VDD VSS 5 C301 L100 L103
AGND 5V XT
100k K:5.0V 100k 12 DGND 5 3 XT 4 0.047u 390n 390n 0.047u
K2:4.9V K:2.5V R99 330 PSEL0 CoNT C290
K2:2.4V 11 MCLK 6 0.047u
CF1 C160 PSEL1 C279
5V 4.1V L72-1019-05 1.8V R100 0 10 SCLK 7
L34 L37 FSELECT 0.047u
C77 R42 R53 R357 C144 Q12 0.1u 9 SDAT 8 L88
3.5V 12u 12u 2SC4617(R) FSYNC
C59 Q5 0.1u 0 0 470 0.1u 8.2u
2SC4617(R) R68 RF AMP
RF AMP
0.1u 3.9k
R227 R233 R235 C349 C367 C673 C674
100 68 100 120p 56p 47u25 47u25
NO 0 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
C477 R285 C510 OP-AMP
R120 R128 VCO_A:203M 2.31V
0.1u 330k 0.1u 10k 100 K VCO_B:217M 2.22V
R278 IC6
1.5k DETECTOR LMC7101BIM5 K2 A:0.86V
Q40 D18 1 CN63 B:3.54V
2SC4617(S) MA3J742 OUTPUT V- 5
RF AMP 2 CV1 * R433
V+
3 INPUT+
4
INPUT-
C175
100p
FREQUENCY
CONTROL
R293 18k
R26 L17 D5 C92 *
R300 0
0 10u 1SV283F 7p(B)
FREQUENCY * C668
C474 OP-AMP CONTROL
0.47u IC20
NJM4558E-ZB
K W:4.4V K W:4.4V 1 8 R43 L24
N:0V N:0V AoUT V+
W:4.3V W:4.3V C492 R286 2 7 0 10u
K2 N:0V K2 N:0V A-IN BoUT FREQUENCY
100u 10k C498 3 6 CONTROL
CF5 A+IN B-IN
L72-1028-05 RF SW 47p 4 5
C587 R366 R367 C588 D20 V- B+IN * R434
DAN235E R287
0.47u 0 0 0.47u
27k
R369 R368
10k 10k C494
10u FREQUENCY
CONTROL
R370 R373
W:0V R27 L18 D6 * C93
10k CF7 10k N:4.3V
L72-1027-05 0 10u 1SV283F
C589 R371 R372 C590 * C669
FREQUENCY
0 0 CONTROL
0.47u 0.47u
R400 L25
0 10u
FREQUENCY
CONTROL
RIPPLE
K:8.1V FILTER AMP
K2:8.0V
R401 0 Q6
R23 2SC4116(BL)F R46
R324 100k IC23 0 33
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
VCO_A:3.9V
100k 100k 4 5 K VCO_B:3.8V
A:1.5V
K2 B:6.0V
R11 C58 C67
OP-AMP OP-AMP DAC
680 47u10 47u10
IC29 IC32
NJM2732V NJM2732V PLL ACTIVE
FILTER AMP
Q4 * R38 * R44
2SC4116(BL)F
R12 VCO_A:0.6V VCO_A:1.1V
K VCO_B:0.6V K VCO_B:1.1V
C541 R328 680
K2 A:0.7V K2 A:1.2V
0.1u 0 R385 R388 Q2 B:0.6V B:1.1V
2SC4116(BL)F L26
100 0
PLL ACTIVE
R323 FILTER AMP
0 C622
0.1u
5V 6
RF AMP
5V 7
Q3 L20 L23
1.6V 2SC4617(R) C64 C87 8
C25 L10
0.1u 1.2u 1.2u 0.1u 9
680n 10
0.1u K:1.1V
K2:1.0V
R245
K:3.8V
K:5V K:5V 47k IC5
K2:4.9V RF AMP K2:4.9V K2:3.7V ADF4111BCP7
C438
C342 Q30 1.6V 3.1V FREQUENCY PLL
2SC4617(R) 0.047u
L119 C401 R219 R225 C422 Q39
2SC4617(R)
K:1.1V 220n 0.047u 18 18 0.047u RF AMP
K2:1.0V
L120
8.2u
X55-3090-XX TH2 TH3 L28 R38 R44 R91 R96 R98 R103
-10 K NO NO L34-4586-05(4.5T) 47 22 100 10 180 6.8k
-11 K2 157-103-53007(10k) 157-103-53007(10k) L34-4599-05(5.5T) 100 0 1k 47 220 8.2k
RIPPLE 9V
FILTER AMP Q9
R64 2SC4116(BL)F R90
0 33
R377 R379
R71
0 100
K:8.2V 1k OP-AMP K:2.79V
K2:6.2V K2:2.26V
L27 C113 IC33 CN64
LMC7101BIM5
10u 7p(B) CV2
1 5
C665 OUTPUT V-
2
8p(B) V+
3 INPUT+ 4
INPUT-
OSCILLATOR
C618
Q7
L28 2SK508NV(K53) C142 R77
100p
0.5p 47
VCO_A:1.5V
K VCO_B:1.8V R97
10 RIPPLE
K2 A:2.1V K:8.1V FILTER AMP
B:2.1V K2:8.2V Q27
L60 C220 R405 R167 2SC4116(BL)F R201
K:8.9V
DC SW K2:9.0V 33n 15p 15k 0 33
VCO_A K:1.6V C187
Q10
2SC4116(BL)F K2:1.5V 15p R183 R193
L29 * C114 R83 RF AMP L61 C214
Q17 1k 1k
10u 4.7k 2SC3356-A(R24)
* C662 K:0.8V 33n 15p
K2:1.0V
C315
OSCILLATOR
27p
Q8 C143 R78 FREQUENCY
L30 2SK508NV(K53) 0.5p 47 CONTROL
D11 OSCILLATOR
4.5T VCO_A:1.8V KV1470-G Q24
K VCO_B:1.5V C277 L93 2SK508NV(K52) C331 R184 C361 L115
A:2.1V
K2 B:2.2V 1000p 100n 2p 0 1000p 82n
DC SW
Q14 L87 1.5V
SSM3K15TE(F)
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
4.7k 47k
Q61 Q60
SSM3K15TE(F) SSM3K15TE(F)
DC SW DC SW
K:5V
K2:4.9V RF AMP
Q16 K:1.6V
L42 L45 * C156 2SC3356-A(R24) K2:1.4V L114 L118
33n 33n L62 L101 68n 68n
1u R57 10n 1.5u R177
K:1.2V
47 K2:0.7V 47
C102 C330
1000p 1000p
20 5V 6 20
AVDD1 CP RF AMP AVDD1 CP
19 R65 5V 7 19 R194
AVDD2 RSET L48 Q22 C274 L89 L96 C316 AVDD2 RSET
18 6.8k R72 1.6V 2SC4617(R) 8 18 4.7k R202
REFIN VP C225 L73 390n 390n REFIN VP
17 5V 2.2 1u 0.047u 0.047u 9 17 5V 2.2
DGND1 DVDD2 16 220n 10 DGND1 DVDD2 16
DGND2 DVDD1 0.047u DGND2 DVDD1
1.1V
R85
33k IC11
R73 ADF4111BCP7 R203
PLL
100k INDICATOR FREQUENCY PLL 100k
Q13 0V
2SA1832F
DC SW
Q56
SSM3K15TE(F)
Q15
SSM3K15TE(F) DC SW
DC SW
R433 R434 C89 C93 C94 C95 C105 C114 C124 C125 C138 C151 C156 C206 C586 C662 C664 C668 C669 C670 C676
150 150 7p 6p 5p 8p 6p 6p 7p 15p 33p 15p 15p 15p 1000p 7p 6p 8p 7p 5p NO
330 330 8p 7p 7p 7p 5p 7p 8p 18p 39p 22p 18p NO 10p 8p 5p 7p 8p 6p 7p
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
STD Devi 11 SIF_DAT AT RX ANT -47dBm INPUT
K W:100mVrms
N: 90mVrms 12 RX_AUDIO
W:95mVrms CN52
K2 N:96mVrms 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
K:8.9V R237 26 AD_DAT_WRITE
K2:9.0V
18 27 IF_BW_SW
1.6V
RF AMP 28 AD_CS
Q33
2SC4725 29 D_GND
0.9V R335 30 E2PROM_SCL
100k 31 CoNT_5.0V
C561
32 E2PROM_SDA
1000p
33 D_GND
Q51 34 WP
SSM3K15TE(F)
DC SW 35 GND
36 GND
C560
1000p
C559
EEPROM
0.1u
IC31
S24CS02AFJTBG
C565
VOLTAGE REGULATOR VOLTAGE REGULATOR 1000p
IC15 IC24 DC SW K:13.7V
5V NJM78L05UA-ZB 8V NJM7808FA-ZB 13.7V K2:13.8V
Q52
1 3 R307 3 1 2SJ484
oUT IN 0 oUT IN
5V RF AMP GND GND
Q38 2 2
C400 2SC4725 1.6V
22p C437
VOLTAGE REGULATOR VOLTAGE REGULATOR
1000p
0.9V IC16 IC25
5V NJM78L05UA-ZB 8V 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
5V NJM78M05DL1AZB
1.5u
3 oUT IN 1 9V R392
R211 GND R309 0
2
100k 0
VOLTAGE
0V REGULATOR
VOLTAGE REGULATOR
Q34 IC18 IC26
2SA1832F 5V NJM78M05DL1AZB NJM2386ADL3-09
DC SW Q37
SSM3K15TE(F) 3 1
DC SW oUT IN
GND
2 9V R391
R310 0
0
VOLTAGE REGULATOR
VOLTAGE
IC19 REGULATOR
5V NJM78M05DL1AZB
3 1 IC27
oUT IN NJM2386ADL3-09 19.2MHz REF_SIG
GND
2
X55-3090-XX C675
-10 K 47u25
-11 K2 33u16
CN44
1 GND
2 POWER
3 POWER
CN45