Schematic Diagram - Kenwood NX-840H Service Manual

SCHEMATIC DIAGRAM

TX-RX UNIT (1/2) (XC1-0010-11 (NX-840H(K), NX-840H(U)(K)), XC1-0010-22 (NX-840(M))
5C
R24 R25 R28 R33
0 0 390 0
C15
0.01u
3.31V C25
0.01u
C13 C26
100p
100p
1
5 R21
PVDD 18 C35
2 CPVDD 10
RFINP 17
3 TEST4 PLL-IC C27
270p
PLL_LE RFINN 16
IC2 100p
4 TEST1 C28
AK1541
CP1 VREF2 15
5 LE 0.22u
PLL_DATA
PLL_CLK DVSS 14
6 DATA C29
VREF1 13
RK75HA1J101J CLK
0.22u
R22
PLL_UL
PLL_PDN2 R8 10k C31
100
270p
X1
C32
1.63V L77-3128-05 3.15V
0.01u
R10
1 VCoNT
VCC 4 100
16.8MHz
R11 L1 R19 C24
2 GND
3 0 4.7u 1.2k
oUTPUT 0.01u
(-39)
R4
330k
R7
FREQ
0
R6 180k R16
390k
5M
4
CN700
SURGE
TXRX
E40-6847-05 D702 D705 D708 PROTECTION
DA221
1 DA221 DA221 SB
2
SP-
3
ASSIST VOLTAGE
4
SP+
5 CN1 CN2
6
CV
L700 LEDM
7
L701 MBL
8
L702 REDLED
9 1
L703 GRNLED
10 2
L704 BLULED
11 3
R706
12 0 KMO1 4
R707
13 0 KMO2
R708
TO DISPLAY 14 0 KMO3
R717
15 0 KMI1
UNIT
R709 KMI2
16 0 ASTC
LSDO
R710 KMI3
CN1 17 0
33MS
R711 5MS
18 0
R705 0
19 LEDI
BUCNT1
R712 0 LECE
20
TXD
R713 0 LECL
21 BUCNT2
R704 0 LELH MKEYO
22
PTT
R714 0 LERE
23
5MS
24
25 R715
MIC
0
26 5M
R701
27 100 HOOK
R702 100
28 PTT
3
R703 R976
29 1k MKEY
R716 POWER 47k
30 5M
0
MKEYI
33MD
HOOK/RXD
5C
DETO
FOR OP BOARD TEST PAD
5M
SURGE
PROTECTION TXAFI C743
D700
TXAFO C738
DA221
RXAFO
C737
CN702
D704 D707 RXAFI C736
D710
DETO
DA221 DA221 DA221 33C
CN713 FNC_1 R748
M1MUTE
CN703
0
FNC_2
AGC
CN709 FNC_3
CN704
FNC_4
CN710 FNC_5
Q701
CN705
2SC4919-S
FNC_6
CN711
FNC_7
CN706
CN722
FNC_8
C742
CN720
0.1u
L705
CN719
L92-0443-05
IGN
CN718
DATAI
CN717 DETO 5C R734 C744
CN716 TXAFI 4.7k 0.1u
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
5.01V F53-0317-15
IC700
TC7WBD125AFK
R727
1
oE1
470k
VCC 8 I/O EXPANDER
2
A1
oE2 7
3 19
B2
SCL
B1 6 12
4 20 P1_2[3]
GND
SDA
A2 5 P1_1[3] 11
21
VDD
IC702 P1_0[3] 10
/INT15P 22
INT
PCA9555AHF VSS 9 CP701
23
A1 P0_7[2] 8
24 CP702
A2 P0_6[2] 7
100k*2 100k*4
1 8
2 7
3 6
4 5
CP703
HORN ALERT SW
100k*2
HORN
CN758
Q702
RXD_FNC2
1 LTC014TEBFS8
3.3V LEVEL SHIFTER(RXD0/CTS0)
33MD
TC7WH126FU-F
IC701
5V LEVEL SHIFTER(TXD0/RTS0)
F2CNT
1 G1 IC703 5.01V
VCC 8
1
2 A1 G1
G2 7 VCC 8
CTS0 2
3 Y2 A1
Y1 6 G2 7
3
4 Y2
GND A2 5 Y1 6
RXD0 4
GND
TXD0
CN701 CN707 A2 5
CN721
C710 0.01u
TC7WT126FU-F
TXD0
A B
RX VCO
Q5
C89 6p
R:5.27V
L4 MCH3914(7)-H
L12
L92-0443-05 (92) C69 R58 D12 C80 L31 (14) R:1.71V C95
270n 47p 0 22n 0.3p R70
1SV325F 20p
R50
470
CV(A)
R51 150k
L7 3.26V
Fin Filter Q2
6.8n C58 L18 Q6
2SC5636
SSM3J15FS
R:0V
10p
L92-0163-05 T:7.64V
C51
Fin AMP Q9 7.56V
3p KRX102U L39
L92-0443-05
R69
T:4.09V
TX VCO
1k
C91
T:0.89V
C67 8p C96
L10 (92) R57 D9 C75 L30 (14) R71
270n 0 10p 22n 0.5p 0
47p 1SV325F
L15 L92-0443-05
16.8MHz R61 MODULATION
CONTROL
L28
39k
L92-0163-05
CN941 8.99V Q10
KTC4075E(Y,GR)
RIPPLE FILTER
9CL
TRIPLER
C517
2ND LOCAL C512
R513 39p
22p
330k
DC AMP L501
(-71)
Q500
100n
KTC4080E-P
IC3
BD7542FVM
7.41V C520
Q3 10u
VCC SSM3J05FU-F
C521
8
0.1u
- +
7
R54 R55
+ -
R519
6 0
10k 47k
VEE 9
5
BIAS
C515
ASSIST FILTER 10 (D)
Q4
0.1u
R504 NRECTo
2SK1824-A 11
NAMPo
R40
560k
1k 12
NAMPI
13
AUDIooUT
R520 1M
14
3.3V LEVEL SHIFTER(MKEY/HOOK) 1000p DISCoUT
R510 C505 R515 C516
15 PDoUT
220k
100k 56p 3.3k R521 RSSIoUT
D721
DETAF 16
DB2S310 R977 4.7k R975
CN935
470k DETAF
IC724 IC725
IC500
TC7WT126FU-F TC7WH126FU-F
BU7465HFV
R501
GND GND
5 A2 5 A2 1 IN+
4 4 100k VDD 5
6 Y1 6 Y1 2 VSS
R:3.29V
Y2 3 Y2 3
7 G2 7 G2 3 IN- RSSI
R503
A1 2 A1 2 oUT 4
8 VCC 8 VCC
G11 G1 1 0 R509
R512 12k CN500
R500 12k C506 1500p
C973
10
0.1u
DETAF AMP
5V LEVEL SHIFTER(MKEY/PTT)
R:4.98V
Q704
R777
DETO AMP KTC4075E(Y,GR)
120k
R:1.68V
C764
0.033u
R765 C761
0 4.7u
R745
1u 82k
1u R764 18k
1u
1u
3.27V
D712 D713
R802
MC2858-T111 1SS372F C754
1u 0
R739 MIC/AFO AMP
R747
C753
820 IC706
68p
100 NJM2100V-ZB
R758 1
R742 8 AFOUT_2
C746 R749 330k
0 2
- +
7
0.1u 2.2k R796 C976
3 HSDO_0
R740 + - R829 R832
6
33k 1u
4
22k C783 12k 47k
1.64V 5 R800 BEEP_0
33k 0.1u
R816 C977
C759 0.1u
C760
1u 220k 1u
MOD2_LSDI
RXAFI_0 LSDO_0
ALTI
DATAI_1 C781 DISCFB
0.1u
MIC_11
R783
68k
DATAI_0
Q705
SSM3J05FU-F
MOD2
R785
0
MOD1
R823 R827 R833
100k 100k
100k
R761 5
R769 FNC1 R798 C803 C807 C809
CN725
100 C765
0 3.9k 100p 100p 270p
100p FNC6
R757
C766
470
R762 9 R770 100p
FNC2 25
100 C767 VBIAS
0 26
AUDIo
R771 100p
5MS R813
27
ADC1
0 C768
R809 100k
28
R772 100p 10k ADC2
FNC3 J700
C769 29
100 E58-0567-05 ADC3
RTS_FNC3 11 BASEBAND IC
R750 0 100p SP2 3.30V 30
ADC4
6
C770 IC709
R751 13 1 31
0 AVDD CMX7141
11
100p
HR1 7 32
R752 3 DAC1
0 R773 2
FNC4
R744 12 33
100 C771 DAC2
8
47k
Q703 R774 DATO 3 34 AVSS2
100p
13
2SJ645 AUXDAC3
100 C772 9 R807 35
4 AUXDAC4
100p 1k
R775 FNC5 14 36
C987
10
C773 5
470
15
1000p 100p
DATAI
C774 GND D-Sub15
RS232C DRIVER
R755 0 1
0.022u
IC704
CN724
9 C775
R2oUT R2IN SB C992
8 5.01V C802
10
100p 220p
T2IN T2oUT
7 5V LEVEL C991
11 C747 10u
1u 10 SHIFTER(TXD2)
T1IN V- C796 C800 R825 33BD
6 1000p
12 C748 IC705
R1oUT C2- 10u 0.1u 10
5 1u 10
13 C801
1 INB
R1IN C2+
4 VCC 5
14 C749 R658 470p
C1- 2 INA
T1oUT
3 1u 10 3.30V
15
V+ C750 3 GND 2.2k
GND
2 1u 10 oUTY 4
16
C1+
VCC
1 C757 0.01u
ADM202EARNZ TC7SET08FU-F
C
(No.RA011<Rev.001>) 2-5
0
DRIVE AMP
Q300
TX/RX BAND SWITCH R:0V
BUFFER AMP RD00HVS1-T113
T:3.36V
CN4 (-71) T:2.32V
D16 (-71)
COMMON AMP 2.632V (-92)
Q11 RN142S C301 L300 L301 L302
2SC5108(Y)F
Q12 7.42V 8.2n 4.7n
0.738V 6.47V 11p 10n
2.31V
2SC5108(Y)F C108 R80 R:3.37V
C101 T:0V
2p 0
D17
4p C103
2p
RN142S
T:2.39V
R73
0
R:3.16V
C371
T:0V
3p
CN301
C374
R359
(-71)
4p
10 L316
18n
7.57V
9CL
8.27V
33MS
33MS
IC502
XC6209B332M-G
1 VIN
VoUT 5
2 VSS
3 CE
NC 4
CN502
MIXER
CN937
R:3.14V
C527
R:8.85V
0.01u R:2.16V
R:2.17V
XF500
R536
CN936 L71-0684-05
C528
390k R:0.64V
49.95MHz
100p
C539 R542 C550 Q503
32 R538
LoIN
C529 100p
100 0.01u
LoCAP 31 0.01u 120
Q501
C534 2.2u
AGNDIN KTC4075E(Y,GR) 3SK318
30 BUSY
FM-IC
C535 2.2u 1ST IF AMP
AGNDoUT
AK2365 29
IC501
AVSS3 28
L710
VREFD
27
C530 0.22u
DVSS
26
C531
DVDD
10u
25
C532
R540 SQUELCH AMP
0.1u SQUELCH RECTIFIER
D500 R:0.73V
18k Q504
RB706F-40
C548 KTC4075E(Y,GR)
R546
0.01u
C544 1k
0.22u
Q502
2SC2412K
CN503
SQIN
R850 120k (D)
33MA_1
TEMP_2
R889
FM_SDATA
12k 15k
FM_SCLK
FM_CSN
R892
3.31V
FM_RSTN
FM_PDN
VCC
ASTSW RESET
CN741
R890
0
CN727 CP705
TXD0
RXD0
SRST
CN728 1k
FNC_2
37
C843 (RXD0)
SWO 0.1u 38
CN729 VSS2
CN938
D C844
39
VDD3
LSDO LSDO 1000p
SWCLK 40
CN730 LSDO
HSDO 41
HSDO
SWDIO R879 0 42
33CC
CN731
R880 0 43
5CC
SQIN R877 1k 44
R836 SQIN
CN732
RSSI R878 1k 45
100k RSSI
JTAG
BATT
46
BATT
CVIN
47
CVIN
48
BOOT_1
HSDO
49
TEST_1
50
R973 TEST_2
0 C845 51
VSS3
0.1u
MOD2_LSDI C833 52
HSDI D VDD4
PLL_DATA
C846
53 PLL_DATA
R848 R857 0.1u
PLL_LE 1000p
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
0 R873 1000p
63
KMO3
KMO2
R859 R863 0 R881
LSDO 64
KMO2
KMO1
0 0 R883
0 65
R865 KMO1
KMI1
0 R884 66
47k KMI1
R846
12 KMI2
0 R885 67
47k KMI2
GPIoB
11 C829 R864 KMI3
0 R886 68
GPIoA KMI3
CN726 0.068u 2.2k
10 BEEP TXD2
RXENA 69
TXD2
VDEC9
9 R868 RXD2 C851
70
RXD2
IRQN 3.3k
8 2.2u
71 VCAP_1
DVSS1
7 D
72 VDD6
CP704 CML_IRQ
BooTEN2
6
BooTEN1 X700 XIN
5
L77-3129-05 D
47k
EPSCSN
4
R997 100
1 VCoNT 4
EPSo
3 VCC
EPSCLK R998 100
19.2MHZ
2
EPSI R999 100 3
2 GND D
1 oUTPUT
3.29V
100
R840 C831
0.01u
L706
IGNITION Q706
33BD LTC044TUBFS8
D 19.2MHz AMP
IC710
IC713
3 VoUT SM5023CNDH-G
VSS 2
1
INHN
XTN 6 BATT
2
XT DETECT
VDD 5 R872
4 VIN 3
CE 1 VSS
R891 F53-0317-15
Q 4 82 R897
1k
D
XC6221B332N-G 1M F703
D
CML_XTAL
C990 R855
0.01u 82
D E
2-5 (No.RA011<Rev.001>)
T:8.86V
(-92) (-92)
L303 L305 C313
15n 12n
270p
IC300
POWER MODULE
R310
22
COUPPLER
L310
L34-1039-05
3216
C339
0.1u
APC
C340
IC301
470p
R329
VOLTAGE PROTECTION 1 VCC
8
0
2 - +
7
3
+ -
6
4 VEE
5
HA17358BFEL-E
R325 R327 R330
R322
0
0 22k 0 1SS355
R:8.97V
LNA
CN504
CN505
C567 C568 C571 C573 R:8.94V
R557 C562 R562 0.75p 1p 1.5p 2p C577 L510
R570 R:7.54V
R:2.85V
0 0 (-92) Q506
470p 470p 0
R579
27n
R:0.10V
R:2.10V
3SK318 C585 0
470p
TV1_OUT
C564
470p
CP706
R558 47k RF BPF DC AMP
9C
82k IC503
9
HA17358BFEL-E
VIN1 4
10 DVDD
1
IC715 VoUT1 3 VCC
VSS TV1_IN 8
Q505 11
AVDD AK2331 R571 2
LTC014EEBFS8 VoUT0 2 - +
7
12 VREF
R908 VIN0 47k 3
1 + -
6
47k
4
VEE
5
R909
47k
C872
1u EVOL/DAC
AFO
R912
0
SP2
TEMP_2
TEMP_1
3.29V
CN926
D
C900 R952
1u 82k
CN943
D R928
SP_MUTE R949
10k
4.7k
CN747
VDD12 144
R953
NC
143
D CML_IRQ
C898 82k
CML_IRQ
142 1u
BATT_INT CN944
BATT_INT R:3.29V
141 R927
POWER
POWKEY 140 PA R944
1k IGNIN
IGNIN 4.7k
139
R652
BooTO
138
47k Q715
D REDLED
REDLED SSM3K05FU
137
GRNLED
GRNLED
136 AMP_SW
BLULED
BLULED
135
SRST
SRST
134
SWO
SWO CN754
133 9.06V
9C
NC R:9.06V
132 9C
VDD11 CN752
131 Q709
9R 9R 2SB1694
VSS9
130
D
NC
129
*
NC
IC714 128
SIM2
STM32F405ZGT6 127
SIM1
126 LTC014EEBFS8
D
SP_MUTE Q707
SP_MUTE
125
9RC
M2MUTE
MIC2MUTE
124
M1MUTE
MIC1MUTE
123 SBC
33BC T:9.00V 4.9V
33BC CN753 Q710
122
9T 9T 2SB1694
VDD10
121
VSS8
120
D
CN750
NC
119 CP708
FNC_3(RTS0) RTS0
118
CTS0 Q708
FNC_4(CTS0) LTC014EEBFS8
117 R934
CN751 1k MBL
MBL 9TC 3.3V
116 0
LEDM
LEDM
115 R940
10k
NC
114
CML_EPSI 5C
CML_EPSI
113
CML_EPSO
Q711
CML_EPSO
112 LTC014EEBFS8
CML_EPSCLK
CML_EPSCLK 5CC
111
CML_SSOUT
CML_SSOUT
110
SWCLK 33BC
SWCLK 33BA
109
SBC
33MA
5MS
5M
33MD
33MD_CLOCK
FB
BATT_INT
RXD R948
D RESET
D 33MD 0
TXD OVER VOLTAGE
DETECT
3.1V
Q712
KTC4075E(Y,GR)
R929 47k
33MD
R930 47k
33C
IC726 Q713
R931 47k
XC6221B332N-G
LTC044EEBFS8
EEPROM
CN742 33CC
IC716
1 CE
VIN 4
1 S
VCC 8
2 Q
HoLD 7 CN933
3 W R938
2 VSS
C 6
47k VoUT 3
4 VSS
D 5
R939
M95512-RDW6TP
47k 3.28V
33C
C887
1000p
F
R351 R352
0 0
R350 R353
0 0
ANT SWITCH R356
C359 C363
C353 1000p R92-1061-05
1p 1p
D305 L407CDB
Forward Power 3216 3216
D306 C354
L313 L314
L34-4903-05 L34-4903-05
L407CDB 1000p
3216
Reverse Power
3216 3216 3216
3216
T: 0.8V
ANT SWITCH
TEMP DETECT
9T
T:8.86V
Power rectifier
R334
100k D307
R341 HSC277 REVP
RB706F-40
0
D304
D301
D308
R342 R345 FWDP
RB706F-40
0 0
CN506
L514 L516
18n 18n
C590 C592
3p 3.5p
C599
30p
TV1_OUT
R583
0
R:8.99V
R582 APC
0
R581
22k
0-11 R981
(450-520MHz)
0
(K)
AF AMP
IC719 LA4600
R956
2.2k
R:3.29V
Q714
SSM3K05FU C913
0.22u
R955
2.2k C911
0.22u
LTC014EEBFS8
J701
Q720
E1B-0001-00
C926
1000p
:13.6V 13.6V
Q719 F701
F53-0327-15
2SJ645
2
oUT IN 1
IC717
TA4809BF
R960
1k
Q718
KTC4075E(Y,GR)
CN929
IC721
CN755
5.0V
Q716 TA7805F-NQ
5C SSM3J05FU-F 5M 2
IN 1
OUT
R996
0 D
CN756
CN757
SSM3J05FU-F
3.3V
Q717
33BA 33MA
33MD
RESET
IC723
Q723
XC6120N302N-G
LTC014EEBFS8 Q721 5M
5MS SSM3J05FU-F
1 NC
IC722 VIN 4
BD4740G BATT_INT
1 NC
VCC 5
2 2 VSS VoUT
SUB
3
3
GND
C961
VoUT 4
CN932 0.01u
D
R971
D718
0
RB521S-30-TP
Q722
LTC014EEBFS8
33MD
IC718
MM1856A33N R657
0
1 VIN
VoUT 5
2 GND
3 CoNT
NC 4 D D
D
G