Kenwood NXR-700 Service Manual page 152

RX UNIT(X55-3092-72)
RF SW
D9
W:-87dBm JDP4P02U
N:-87.5dBm
L35 3 2
CN41 MONITOR_PORT
E1 3.3u 4 1
F10-2379-04
C635 C636 C637 C638 C639 C640 C641 C642 C643 C644 C645 C646 0.01u
0.75p 1p 0.75p 1p 0.75p 1p
W:-117.5dBm 0.75p 1p 0.75p 1p 0.75p 1p W:4.75V
N:-118dBm LNA N:0V
Q1 8.67V
2SC5337(QR) R8 E2
F10-2409-04
0.96V 22
CN5 C10 L5 0.22V C55 C647 L15 R54 L32 C117
1000p 22n 12p 1000p 22n 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
0.1u 0.1u 1000p 1000p 0.1u C572 R350
OP-AMP IC4 R50
D1 R4 TA75S01F-F 0.01u 220
R19 3 4 18
HSC119 68 IN(-) oUT D10 RF SW
VE 100k 2 JDP4P02U
VEE
D1 R5 CN40 R20 1 5 4 1
SURGE IN(+) VCC
PROTECTION 0 100k 3 2
0.01u
C66 0.1u L31 L36 L39 R81
W:0V
R453 C69 1000p 39n 39n 39n 0 N:4.75V
0
E3
F10-3080-04
C157 C169 L54 RF AMP C249
RF AMP
1000p 27p 10n Q18 15p Q23
RD01MUS1-T113 2SC3356-A(R24)
C232 L76 C285 L92 R417
39p 47n 12p 10n 0
Q25
SSM3J01F
DC SW
DC SW
Q26
SSM3K15TE(F)
1/2 DIVIDER
C295 IC9 C520 C585 L106
UPB1509GV 5V
5V 1000p 1 8 0.01u 1000p 150n
C237 1.58V VCC1 VCC2 1.59V RF AMP
1000p RF AMP C273 R156 C298 2 7 C329 C580
IN OUT Q53
2SC4725 Q21 22p 68 1000p 3 6 0.01u 0.01u 2SC4725
IN SW2
0.95V 4 5 0.91V
GND SW1
VOLTAGE
REGULATOR
IC10
TK11230CMCL-G
C291 6 VIN VCoNT 1 5V
0.047u 5 GND2 GND1 2
C303 R403 4 VoUT 3 C332
NoISEPASS
0.047u 3V 0 0.1u
C292
10u35
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
W:3.64V N:0V
XF1 N:0V W:2.15V RF AMP 1 L123 CN47 W:-73dBm
L71-0646-15 RF AMP XF3 N:0V 6 N:-74dBm
C140 C149 C166 C173 L58 L71-0663-05 Q28 2 2 3 3.3u R270 C470
Q19 C234 R459 C241 C288 C307 L98 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 22p 22p 0.01u 1.8u N:0V RF SW C459
220p
7 7 7 L108 C573 R351
7 3 47n
1 1 1 1 4 0.01u 220
6 6 6 6 2 2
2 2 2 4 4
3 4 4 3 3 3 6 1
C318
8 8 8 8 C461
C577
L46 L52 L74 L90 L94 0.01u 220p
L34-4749-05 L34-4749-05 L34-4749-05 L34-4749-05 L39-1476-05 0.01u
L140
390n
CN46 WIDE
L125 C428
RF SW IF SYSTEM
W:-99dBm D14 150n 56p
N:-99.5dBm JDP4P02U IC12
2 3 C406 TA31137FNG
L113
W:0V W:0V L39-1476-05 0.01u VCC=5V
W:0V N:3.22V N:7.85V 1 4 L126 C429
XF2 W:0V N:7.36V
L71-0645-15 N:3.64V XF4 W:0V RF AMP 1 150n 56p C443
L59 RF AMP L71-0662-05 N:2.15V Q29 6
C141 C150 C167 C174 Q20 C289 C308 L99 2 0.047u
180n C235 R462 C242 3SK317-E 4
18p 18p 0.01u W:0V RD01MUS1-T113 W:0V 3
N:1.18V 27p 0 22p 27p 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 W:6.68V W:4.35V
8 8 C319 N:0V N:0V N:0V
8 8 CF2
L47 L53 L75 L91 L95 RF SW L72-1028-05 RF SW RF SW
L34-4749-05 L34-4749-05 L34-4749-05 L34-4749-05 L39-1476-05 0.01u C440 R254 R257 C454
L141 D15 D16 D19
KDS112E-P 0.47u 330 330 0.47u KDS112E-P KDS112E-P
390n
NARROW R249 R259
2.7k 2.7k
W:0V R250 R260 W:0V W:0V
N:4.36V 2.7k 2.7k N:4.37V N:4.36V
CF3
L72-1027-05
C441 R255 R258 C455
0.47u 390 390 0.47u
R213 R230
3.06V 56k 4.91V 10
Q32 CF4
SSM3J01F C391 L72-1027-05
DC SW TEMPERATURE SENSOR
0.01u Q35 2.33V
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 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
R326 10 C558 R341 1k
150n 0.01u VOLTAGE
L117 C402 IF SYSTEM REGULATOR 1000p R342 1k
150n 56p IC13 IC22
AD607Z XC6204B332M
4 3
VCC=5V NC CE ADC
2
VSS IC30 NJM2732V
R214 R232 5 1 AD7908BRU
VOUT VIN
3.1V 56k 4.92V 10 OP-AMP
C392 CF6 C516 0.047u L130
2.38V R263 L72-1028-05
0.01u 2SC4725 Q36 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 R337
ASQ
1k
DDS
5V IC7
AD9835BRUZ 5V
C188 16 1
FSADJUST
0.01u 15 CoMP 2
REFIN
14 AVDD 3
REFoUT
R32 R86 13 IoUT 4 BUFFER AMP
DVDD
100k 100k 12 AGND 5 IC8
R99 330 DGND NJU6368PF1
4.98V 11 PSEL0 6 L79 L81 R149 1 FoUT 6
2.46V MCLK L100 L103
5V 4.11V CF1 1.82V C160 R100 0 10 PSEL1 7 1u 820n 820 2 VDD VSS 5 C301 C342
L72-1019-05 SCLK 5V 3 XT XT 4
C77 R42 R53 L34 L37 R357 C144 0.1u 9 FSELECT 8 0.047u 390n 390n 0.047u
3.52V Q12 SDAT CoNT C290
Q5 0.1u 0 0 12u 12u 470 0.1u KTC4075E-P(GR FSYNC 0.047u
C59 KTC4075E-P(GR R68 RF AMP C279
0.1u RF AMP 3.9k 0.047u
L88
8.2u
L128
L34-4725-05 DC SW
Q58
3 2 1 SSM3K15TE(F)
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 VCO_B:217M 2.22V
KTC4075E-P(BL D18 1 5 CN63 8.15V
MA3J742 OUTPUT V-
RF AMP 2 CV1 R433 L27
V+
3 INPUT+ 4 330 10u
INPUT-
C175
100p
FREQUENCY
CONTROL
D5
R293 18k 1SV283-KENW,E L28
R26 L17 C92
R300 0 R437 R395 10u
0 7p(B) 5.5T
0 100 FREQUENCY C668
OP-AMP CONTROL
IC20 7p
NJM4558E-ZB
R43 L24
1 8
AoUT V+ 0 10u
W:4.37V C492 R286 2 7
N:0V A-IN BoUT FREQUENCY
CF5 100u 18k C498 3 6 CONTROL
L72-1028-05 RF SW 6.3 A+IN B-IN
C587 R366 R367 C588 47p 4 5
D20 V- B+IN R434 L29
0.47u 330 330 0.47u KDS112E-P R287
330 10u
R369 R368 27k
2.7k 2.7k C494
10u FREQUENCY
CONTROL
D6
R370 R373 W:0V L18 1SV283-KENW,E L30
2.7k 2.7k N:4.34V R27 C93
CF7 0
L72-1027-05 10u 7p 4.5T
C589 R371 R372 C590 FREQUENCY C669
CONTROL
0.47u 390 390 0.47u 8p
R400 L25
0 10u
FREQUENCY
CONTROL
RIPPLE
FILTER AMP
R401 0 8.12V Q6
2SC4116(BL)F
R23 R46
IC23
R324 100k BH2220FVM 0 33
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 7 R318 10 1k 1k
Ao2 CLK
R325 100k R330 R384 100k R383 R298 47k 3 6 R319 10
Ao3 DI
100k 100k 4 5
VCC GND VCO_A:3.9V
VCO_B:3.75V
C58 C67
R11
OP-AMP OP-AMP DAC
IC29 IC32 680 47u10 47u10
NJM2732V
PLL ACTIVE
FILTER AMP
Q4 R38 R44
2SC4116(BL)F
R12 100 0
VCO_A:0.64V VCO_A:1.13V
C541 R328 680 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 5V 7 AVDD1
Q3 AVDD2
1.61V KTC4075E-P(GR 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 1.6V 3.11V
KTC4075E-P(GR Q39 0.047u
L119 C401 R219 R225 C422 KTC4075E-P(GR
220n 0.047u 18 18 0.047u RF AMP
1.05V
L120
8.2u
RIPPLE Q9 9V
R64 FILTER AMP 2SC4116(BL)F R90
0 33
R377 R379
R71
0 100
1k OP-AMP
CN64 2.79V
C113 IC33
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
33n 15p
8.88V 15k 0 33
DC SW C187
VCO_A R210
Q10 1.55V 15p
2SC4116(BL)F RF AMP R183 R193 10
C114 R83 L61 C214
Q17 1k 1k
7p 4.7k 2SC3356-A(R24) 33n 15p
C662
0.81V
8p C315
OSCILLATOR
FREQUENCY 27p
Q8 CONTROL
2SK508NV(K53) C143 R78 OSCILLATOR
D11 1.58V
0.5p 47 KV1470-G C277 L93 2SK508NV(K52) Q24 C331 R184 C361 L115
VCO_A:1.77V
VCO_B:1.54V 1000p 100n 0 1000p 82n
2p
Q14 0.89V
SSM3K15TE(F) L87
DC SW 1.47V
10u
DC SW
VCO_B Q11
2SC4116(BL)F
R84
FREQUENCY
4.7k 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
5V Q16
L42 L45 C156 2SC3356-A(R24) L114 L118 C400
1.55V
33n 33n 18p L62 L101 68n 68n 22p
R57 10n 1.5u R177
47 1.18V 47
C102 C330
1000p 1000p
20 5V 6 20
CP CP
19 R65 RF AMP 5V 7 AVDD1 19 R194
RSET Q22 AVDD2 RSET
18 6.8k R72 L48 1.61V KTC4075E-P(GR 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
CN57 15 NC
RXA
16 FM_RSSI
CN53 17 PLL2_EN
18 NC(AGC_RSSI)
CN54 19 PLL_LOCK_DET
20 CoNT_5.0V
CN58 21 NC
22 AD_DAT_READ
CN55
R236 23 GND
18 24 AD_CLK
C408 R223 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
5V NJM78L05UA-ZB 8V NJM7808FA-ZB 13.66V DC SW 13.73V 1
Q52
1 3 R307 3 1 2SJ484 2
oUT IN oUT IN
RF AMP GND 0 GND 3
5V
2SC4725 Q38 2 2
1.57V
C437
1000p VOLTAGE REGULATOR VOLTAGE REGULATOR
IC25
0.94V IC16
5V NJM78L05UA-ZB 8V NJM7808FA-ZB
1 3 R308 3 1
oUT IN oUT IN Q50
0 SSM3K15TE(F)
GND GND
2 2 DC SW
VOLTAGE REGULATOR
IC17
5V NJM78M05DL1AZB
3 1
oUT IN 9V R392
GND R309 0
2 0
VOLTAGE
REGULATOR
VOLTAGE REGULATOR
IC26
0V IC18 NJM2386ADL3-09
5V NJM78M05DL1AZB
3 1
oUT IN
Q37 GND
SSM3K15TE(F)
DC SW 2 9V R391
R310 0
VOLTAGE REGULATOR 0
IC19 VOLTAGE
5V NJM78M05DL1AZB REGULATOR
3 1
oUT IN IC27
NJM2386ADL3-09
GND
2
CN45
19.2MHz REF_SIG
GND
POWER
POWER