Schematic Diagram - Kenwood NX-740H Service Manual

SCHEMATIC DIAGRAM

TX-RX UNIT (1/2) (XC1-0010-10 (NX-740H(K), NX-740H(V)(K)), XC1-0010-21 (NX-740(M))
5C
R24 R25 R28 R33
0 0 390 0
C15
3.22V
0.01u C25
0.01u
C13 C26
100p
100p
1 R21
5
PVDD 18 10 C35
2 CPVDD
RFINP
17 C27
3 TEST4 PLL-IC 1000p
PLL_LE RFINN
IC2 16
4 TEST1 C28
CP1 AK1541
VREF2
5 LE 15 0.22u 100p
PLL_DATA
DVSS
PLL_CLK
6 DATA 14
VREF1
RK75HA1J101J CLK 13
C29
0.22u
R22
PLL_UL
PLL_PDN2 R8 10k C31
100 270p
C32
X1
0.01u
1.65V L77-3128-05
3.14V
R10
1 VCoNT
VCC 4
100
16.8MHz
L1 C24
R11 R19
2 GND
3 0 4.7u 1.2k 0.01u
oUTPUT
(-39)
R4
330k
R7 FREQ
0
R6 0 R16
82k
5M
4 CN700 SURGE
TXRX
E40-6847-05 D702 D705 D708 PROTECTION
DA221 DA221
1 DA221 SB
2
SP-
3
ASSIST VOLTAGE
4
CN1 CN2
5 SP+
6
CV
L700 LEDM
7
L701 MBL
8
L702 REDLED
9 1
L703 GRNLED
10 2
L704
11 BLULED 3
R706
12 0 KMO1 4
R707 KMO2
13 0
R708 KMO3
TO DISPLAY 14 0
R717 KMI1
15 0
UNIT
R709 KMI2 ASTC
16 0
LSDO
R710 KMI3
CN1 17 0
33MS
R711 0
18 5MS
R705 0
19 LEDI
BUCNT1
R712 0 LECE
20
TXD
R713 0 LECL
21 BUCNT2
R704
0 LELH MKEYO
22
R714 PTT
23 0 LERE
5MS
24
R715
25
MIC
0
26
5M
R701 100
27 HOOK
R702 100 PTT
28
3 R703 MKEY
29 1k
R716 POWER R976
30 5M
0 47k 5V LEVEL SHIFTER(MKEY/PTT)
MKEYI
33MD
HOOK/RXD
5C
DETO
FOR OP BOARD TEST PAD
5M
SURGE
PROTECTION
TXAFI C743
TXAFO C738
RXAFO C737
CN702
D700
D704 D707 D710 RXAFI C736
DA221 DA221 DA221 DA221 DETO
33C
FNC_1
CN713 M1MUTE R748
CN703
FNC_2 0
CN709 FNC_3 AGC
CN704
FNC_4
CN710 FNC_5
CN705 Q701
FNC_6 2SC4919-S
CN711 FNC_7
CN706
FNC_8 CN722
C742
CN720
L705 0.1u
CN719
IGN
L92-0443-05
CN718
DATAI
5C
CN717 DETO C744
CN716 TXAFI R734 0.1u
4.7k
CN715 TXAFO
M2MUTE R738
CN714 EMGMIC 1k
2
CN712
RXAFO
CN708 ALTI
ALTI
CN927
RXAFI
CN928
5MS
MOD2
33MS
DATAI
TXRX
FNC_1
I2C LEVEL SHIFTER FNC_6
F704
C703 0.01u
IC700 5.01V F53-0317-15
TC7WBD125AFK
R727
1 oE1 470k
VCC 8 I/O EXPANDER
2 A1
oE2 7
3 B2 19
B1 6 SCL P1_2[3] 12
4 GND 20
SDA P1_1[3]
A2 5 11
21
VDD P1_0[3]
IC702 10
/INT15P 22 PCA9555AHF
INT VSS
9 CP701
23
A1 P0_7[2]
8
24 CP702
A2 P0_6[2]
7 100k*4
100k*2
1 8
2 7
3 6
4 5
CP703
HORN ALERT SW
100k*2
HORN
CN758
Q702
RXD_FNC2
LTC014TEBFS8
1
3.3V LEVEL SHIFTER(RXD0/CTS0)
33MD
TC7WH126FU-F
IC701 5V LEVEL SHIFTER(TXD0/RTS0)
10
F2CNT IC703
1 G1 5.01V
11
VCC 8
1 G1
2 A1
12
G2 7 VCC 8
CTS0 2 A1
3 Y2
13
Y1 6 G2 7
3 Y2
4
14
RXD0 GND A2 5 Y1 6
CN701 4
TXD0
CN707 15
GND A2 5
C710 CN721
16
0.01u TC7WT126FU-F
TXD0
A B
RX VCO R:1.71V
R:5.27V C89 Q5
L4
L11 (86) MCH3914(7)-H
L92-0443-05 C69 R58 D12 C80 L31 (14) 6p 0
4.7u 100n R70
100p 0 1SV325F 47p C95
R50 1p
470
CV(A)
Fin AMP R51 68k
3.26V
L7
Fin Filter Q2
15n L18 Q6
C58 2SC5636
SSM3J15FS
C51
1000p
L92-0163-05
20p R:7.40V
Q9
R:0V KRX102U L39
T:7.38V
L92-0443-05
R69
C91 1k
T:0.96V
T:3.76V
L9 (86) C67 R57 8p
D9 C75 L30 (14) TX VCO R71
4.7u 47p 0 100p 150n C96 0
1SV325F
1p
L15 R61 L92-0443-05
16.8MHz MODULATION
CONTROL
L28
100k
L92-0163-05
9.06V
Q10
CN941
KTC4075E(Y,GR)
RIPPLE FILTER
9CL
TRIPLER
C517
2ND LOCAL C512
39p
22p
R513
DC AMP
330k
L501
(-71)
Q500
100n
KTC4080E-P
IC3
BD7542FVM 7.41V C520
10u
Q3
VCC SSM3J05FU-F
C521
8
0.1u
- + 7
R54 R55
+ -
6 R519
0
10k 47k
VEE 9
5 BIAS
C515 (D)
ASSIST FILTER 10
Q4 NRECTo
0.1u
2SK1824-A 11
R40 NAMPo
1k R504
12
NAMPI
390k
13
AUDIooUT
R520 1M
14
3.3V LEVEL SHIFTER(MKEY/HOOK) C516 1000p DISCoUT
R510 C505 R515
15 PDoUT
220k
100k 56p 3.3k R521
RSSIoUT
DETAF 16
R975
D721 DB2S310 R977 4.7k
470k DETAF CN935
IC500
IC724 IC725
TC7WT126FU-F TC7WH126FU-F BU7465HFV
R501
5 GND 5 A2 GND 1 IN+
A2
4 4 VDD 5
100k
6 6 Y1 2 VSS
Y1
Y2 3 Y2 3 R:3.29V
7 7 G2 3 IN- RSSI
R503
G2 A1 2 A1 2 oUT 4
8 8 VCC
VCC 0
G1 1 G1 1 R509
R512 CN500
12k
R500 12k C506
C973 0.1u 1500p
10
DETAF AMP
R:4.98V
Q704
DETO AMP
KTC4075E(Y,GR)
R777 R:1.68V
120k C764
0.033u
R765 C761
0 4.7u
R745 82k
1u
1u R764 18k
1u
1u
3.27V
D713
D712 R802
MC2858-T111 1SS372F
R739 0
C754 MIC/AFO AMP
R747
820 1u IC706
100 C753
NJM2100V-ZB
39p
1
8 AFOUT_2
R742 C746 R749
R758 2
- +
7
0 0.1u 2.2k 330k R796 C976
3 HSDO_0 R829 R832
R740 + -
6
33k 1u
4
22k 1.64V R800 C783 4.7k 47k
5 BEEP_0
33k 0.1u
C759 0.1u R816 C977
C760 1u
220k 1u
MOD2_LSDI
RXAFI_0 LSDO_0
ALTI
DATAI_1 C781 DISCFB
0.1u MIC_11
R783 33k
DATAI_0
Q705
SSM3J05FU-F MOD2
R785 0
MOD1
R823 R827 R833
100k 100k 100k
R798
R761 5 R769 C803 C807 C809
FNC1
CN725
100 C765 270p
0 1k 100p 100p
100p
R757 FNC6
1.63V
C766
470
R762 9 100p
R770 FNC2 25
100 C767 VBIAS
0 26
AUDIo
100p
R771 5MS R813
27
C768 ADC1
0
R809 100k
28
R772 100p ADC2
FNC3 10k
J700
C769 29 BASEBAND IC
100 E58-0567-05 ADC3
RTS_FNC3 R750 11
0 100p 3.30V 30 IC709
SP2 ADC4
6
C770
R751 13 1 31 CMX7141
0 AVDD
100p 11
R752 HR1 7 32
3 DAC1
0 R773 2
FNC4
12 33
R744 100 C771 DAC2
8
47k Q703
R774 100p 3 34
AVSS2
2SJ645 DATO 13 AUXDAC3
9 R807 35
100 C772
4 AUXDAC4
100p 14 1k 36
R775 FNC5
10
C987
470 C773 5
15
1000p 100p
DATAI
C774
GND D-Sub15
1
RS232C DRIVER R755
0.022u
IC704 CN724
0
9 C802
R2oUT R2IN 8 5.01V SB
10u
C747
T2IN T2oUT 7 C775
1u 10 5V LEVEL
100p
T1IN SHIFTER(TXD2) C800 R825
V- 6 C796 33BD
C748 IC705
R1oUT
C2- 5 10u 0.1u 10
1u
10
R1IN 1 INB
C2+ 4
VCC 5 C801
C749 R658
T1oUT 2 INA
C1- 3 470p
1u 10 3.30V
C750 2.2k
GND 3 GND
V+ 2 oUTY 4
10
1u
VCC
C1+ 1
C757 0.01u
ADM202EARNZ
TC7SET08FU-F
C
(No.RA010<Rev.001>) 2-5
DRIVE AMP
Q300
TX/RX BAND SWITCH R:0V RD00HVS1-T113
T:3.37V
BUFFER AMP CN4 D16 (-71) (-71) T:2.42V
COMMON AMP 2.63V RN142S
Q11 C301 L300 L301 L302
Q12 6.83V
2SC5108(Y)F 15n 10n 12n (-92)
5.17V 2.53V 150p
:0.74V 2SC5108(Y)F
C108 R80 R:3.37V
C101
C103 T:0V
18p 0
18p 5p
D17
T:2.42V
RN142S
R73
0
R:3.17V
T:0V L317
C371
22n CN301
7p
R359
C374
39 L316 (-71)
8p
27n
7.41V
9CL
8.11V
33MS 33MS
IC502
XC6209B332M-G
1 VIN
VoUT 5
2 VSS
3 CE
NC 4
CN502
CN937
R:3.14V
R:8.75V R:2.47V
C527 R:2.21V
MIXER
0.01u R536 XF500
L71-0684-05
CN936 R:0.64V
270k 49.95MHz R542 C550
C528
100p 0.01u
LoIN C539 100
32 R538
C529
LoCAP 100p 120 Q503
31 0.01u
C534 Q501
1u 3SK318
AGNDIN KTC4075E(Y,GR) R:0.91V
30 BUSY
FM-IC
C535 1u 1ST IF AMP
AGNDoUT
AK2365 29
IC501 AVSS3
28 L710
VREFD
27
0.22u
C530
DVSS
26
C531 10u
DVDD
25
C532
R540 SQUELCH AMP
0.1u SQUELCH RECTIFIER
D500 Q504 R:0.73V
18k
RB706F-40
C548 R546 KTC4075E(Y,GR)
0.01u
C544 0
0.22u
Q502
2SC2412K
CN503 LTC014EEBFS8
SQIN
R850 120k (D)
33MA_1
R889
TEMP_2
FM_SDATA
12k
FM_SCLK 15k
FM_CSN R892
3.31V
FM_RSTN
3.29V
FM_PDN
VCC
ASTSW RESET
CN741
R890
CN727 CP705
0
TXD0
RXD0
SRST
CN728
1k
FNC_2
37
C843 (RXD0)
SWO 0.1u 38
CN729 VSS2
CN938
D C844
39 VDD3
LSDO
LSDO 1000p 40
SWCLK LSDO
CN730
HSDO 41
HSDO
SWDIO R879 0 42
33CC
CN731
R880 0 43
5CC
SQIN R877
R836 1k 44
SQIN
CN732
RSSI R878
1k 45
100k JTAG RSSI
BATT
46
BATT
CVIN
47
CVIN
48
BOOT_1
HSDO
49
TEST_1
50
R973 TEST_2
0 C845 51
VSS3
0.1u 52
C833 HSDI VDD4
MOD2_LSDI D
PLL_DATA C846 53
R848 PLL_DATA
R857 0.1u
1000p
PLL_LE 54
0 0 PLL_LE
PLL_CLK 55
PLL_CLK
PLL_PDN2 56
PLL_PDN2
PA R933
57
PA
AMP_SW 0
58
AMP_SW
LSDO_0
59
9TC
BEEP_0
BSFT C847
60
BSFT
0.1u 61
VSS4
C848
D 62
VDD5
KMO3 R873 1000p
63
KMO3
0
R859 R863 KMO2 R881 64
R865 LSDO KMO2
0
0 0 47k KMO1 R883 65
KMO1
0
KMI1 R884 66
KMI1
12 0
R846 KMI2 R885 67
47k KMI2
GPIoB 0
11 R886
GPIoA C829 R864 R868 KMI3 68
KMI3
RXENA CN726 0.068u 2.2k 3.3k 0
10 BEEP TXD2
69
TXD2
VDEC9
9 RXD2 C851
70
RXD2
IRQN
8 2.2u
71 VCAP_1
DVSS1
7 D
72 VDD6
CP704 CML_IRQ
BooTEN2
6
BooTEN1 X700 XIN
5 47k
L77-3129-05 D
EPSCSN
4
R997 100
EPSo 1 VCoNT 4
3 VCC
EPSCLK R998 100
19.2MHZ
2
EPSI R999 100 2 GND 3
D
1 oUTPUT
3.29V
100 C831
0.01u
R840 3.31V
L706 IGNITION
33BD Q706
LTC044TUBFS8
IC710
D
XC6221B332N-G 19.2MHz AMP
IC713
3 VoUT SM5023CNDH-G
VSS 2
BATT
1 INHN
XTN 6 DETECT
2 XT
R897
VDD 5
4 VIN R872
3 VSS
CE 1 R891 F53-0317-15 1k
Q 4 82
D 1M
F703
CML_XTAL D
C990 R855
0.01u 82
D E
2-5 (No.RA010<Rev.001>)
T:8.92V
(-92) (-92)
L303 L305 C313
8.2n 47n
150p
IC300
POWER MODULE
R310
4.7
COUPPLER
L310
L34-1039-05
3216
C339
0.1u
APC
C340
IC301
1000p
R329
1 VCC
VOLTAGE PROTECTION
8
0
2 - +
7
3
+ -
6
4 VEE
5
R334
HA17358BFEL-E
100k
R322 R325 R327 R330 D301
0
0 47k 0 1SS355
R:9.04V
LNA
CN505
CN504
R:8.47V
R557 C562 R562 R564 R565 C571 C573 C577 L510
R:7.6V
R:3.64V
(-92)
0 0 0 0 4p R570 Q506
1000p 1p 470p
22n 56 R579
R:2.28V
0
3SK318 C585
470p
CP706
R558 RF BPF DC AMP
47k 9C
82k IC503
9
DVDD VIN1 HA17358BFEL-E
4
10
VSS VoUT1 1
IC715 3 VCC
TV1_IN 8
Q505 11 AK2331
AVDD VoUT0 2
2 - +
7
R908 12
VREF VIN0 R571 3
1 + -
47k 6
150k
R909 4
VEE
5
47k
C872
1u EVOL/DAC
AFO
R912
0
SP2
TEMP_2
TEMP_1
CN926
D
C900 R952
1u 82k
CN943
R:3.29V
D
R928
SP_MUTE R949
10k
SSM3K05FU
4.7k
CN747
VDD12 144
R953 R955
NC
143
D CML_IRQ
C898 82k
CML_IRQ
142 BATT_INT 1u
BATT_INT CN944
141 R:3.29V
R927 POWER
POWKEY R944
140 PA
1k IGNIN
IGNIN 4.7k
139
R652
BooTO
138 Q715
47k
D REDLED
REDLED SSM3K05FU
137
GRNLED
GRNLED AMP_SW
136
BLULED
BLULED
135
SRST
SRST
134
SWO
SWO 9.06V CN754
133
9C
NC
132 9C CN752
VDD11 Q709
131 9R
R:9.06V 2SB1694
VSS9
130
9R
NC D
129
*
NC
128
IC714
SIM2
STM32F405ZGT6 127
SIM1
126 LTC014EEBFS8
D
SP_MUTE
SP_MUTE Q707
125 9RC
M2MUTE
MIC2MUTE
124
M1MUTE
MIC1MUTE SBC CN755
123
4.9V
33BC T:9.00V Q710
33BC CN753
122
9T 2SB1694
9T
VDD10
121
VSS8
120 CN750
D
NC
119 CP708
FNC_3(RTS0) RTS0
118
CTS0 Q708 CN756
FNC_4(CTS0)
117 LTC014EEBFS8
R934
CN751 1k MBL
MBL 9TC
116 3.3V
0
LEDM
LEDM R940
115
10k
NC
114
CML_EPSI
5C
CML_EPSI
113
CML_EPSO Q711
CML_EPSO
112 LTC014EEBFS8
CML_EPSCLK LTC014EEBFS8
5CC
CML_EPSCLK
111
CML_SSOUT
CML_SSOUT
110
SWCLK 33BC
SWCLK 33BA
109
SBC
33MA
5MS
5M
33MD
33MD_CLOCK
FB
BATT_INT
RXD RESET
D
D 33MD
TXD OVER VOLTAGE
3.1V
DETECT
Q712
KTC4075E(Y,GR)
R929 47k
Q713
R930 33MD
47k
33C LTC044EEBFS8
IC726
R931 47k
XC6221B332N-G
EEPROM
CN742 33CC
1 CE
IC716
VIN 4
1 S
VCC 8
2 Q
CN933
HoLD 7
3 W 2 VSS
C 6 R938
VoUT 3
4 VSS 47k
D 5
R939
47k
M95512-RDW6TP
33C
C887 1000p
R:3.28V
F
R351 R352
0 0
R350 R353
0 0 R356
ANT SWITCH
R92-1061-05
C353 C359 C363
D305 3216 3216
Forward Power
1000p 2p 4p
L407CDB
C354 L313 L314
L34-4903-05 L34-4903-05
D306 1000p
L407CDB 3216
Reverse Power
3216 3216 3216 3216
T:0.79V ANT SWITCH
TEMP DETECT
9T
T:8.95V
Power rectifier
D307
R341 HSC277 REVP
RB706F-40
0 D304
D308
R342 R345 FWDP
RB706F-40
0 0
CN506
C597 L516
1000p 56n
C590 C592
4p
3p
C599
4p
TV1_OUT
R583
0
R:9.06V
R582 APC
0
C588
470p
R581
22k
0-10 R980
(136-174MHz)
(K) 0
AF AMP
IC719 LA4600
R956
2.2k
Q714
C913
0.22u
2.2k C911
0.22u
LTC014EEBFS8
J701
Q720
E1B-0001-00
C926
1000p
:13.6V 13.6V F701
Q719
2SJ645 F53-0327-15
2
oUT IN 1
IC717
TA4809BF
R960
1k
Q718
KTC4075E(Y,GR)
IC721
CN929 5.0V TA7805F-NQ
Q716
5C
SSM3J05FU-F 5M
IN 1
OUT
2
R996
0
D
Q717 CN757
SSM3J05FU-F 3.3V
33BA 33MA
33MD
RESET
IC723
XC6120N302N-G
Q721 5M
5MS
SSM3J05FU-F
Q723 1 NC
IC722 VIN 4
BD4740G BATT_INT
1 NC
VCC 5
2 VSS VoUT
2 SUB
3
3 GND
C961
VoUT 4
CN932
0.01u
D
R971
Q722
0
LTC014EEBFS8
33MD
IC718
MM1856A33N
L709
1 VIN
VoUT 5
2 GND
3 CoNT
D D
NC 4
D
G