Kenwood NXR-1800 Service Manual page 106

SCHEMATIC DIAGRAM/原理图
TX-RX UNIT/收发单元 (XC1-329E-00 (NXR-1800 E2 type), XC1-329E-01 (NXR-1800 E type)) (1/2)
L2050
L2051
10 L2004
15n
C2020 C2021 *C2023
C2012 100p 470p
TX_LO_LOCK R2001 R2100 470p TX PLL
0 1k IC2000
R2002 C2009
47k 470p
C2010
CP2000 0.1u
PLL_MOD
C2019 L2002
TX_PLL_CLK EXP_PAD NC_2
TX_PLL_CS MUX_oUT XTALACGND/oSC
TX_PLL_DT MoD_IN XTALIN/oSC 0.01u
CLoCK XTALoUT/NC
CS VCCXTAL TX VCO BUFFER AMP
10*4 DATA GNDXTAL
C2008
VCCDIGITAL
W3000
470p
+B R2000 R2080
2 C2007
13.2V 10 10
1 10u 16 Q2001
R2009 C2102
R2003
0 470p
10
9
E2000
VCO_MOD
R3063 R3064 R3061 R2103 L2000 R2007 L2001
1u
47k 47k 180 0 0
DC SW VOLTAGE REGULATOR(FAN VCC 9V)
8
Q3061 R3466 R3463
100 0 IC3022
R3467 R3482
10k 0 RE1C001ZP
CN3005
INVERTER(FAN_PWM)
CONTROL
4 Q3060 LOCK_DET
5 4 3 2 1
3 SENSOR R3457
FAN_PWM PLD_FAN
GND
2 FAN_ON:9.1V 10
RE1L002SN FAN_OFF:0V
VCC
1
13.2V
R3481
FAN
4.7
PLD_FAN
LOCK_DET
FAN_PWM
7
5V
3.3V
12V_TO_25P
12V
R946
10MHz AMP 10MHz AMP
10k
C938 C943
C949
0.1u 0.1u
10MHz AMP 0.1u
C939 C966
C944
0.1u 0.1u BUFFER AMP(10MHz EXT REF) 1u
6
C978 L913 C947 0.1u
Q907
REF_10M R931 C936 C937 R932 Q902 C945 C973 0.1u 820n
Q903 IC903
0 0.1u 0.1u 1k C940 C941 0.1u 0.1u
CoNT
0.1u 0.1u XT
LSCR523EBFS8 C946 XT
VDD
0.1u VSS R944
FoUT
100
NJU6368PF1
LSCR523EBFS8 LSCR523EBFS8
DC AMP(CV_TX_RX)
5 CV_TX R1002
10k
8 7 6 5
RX etc
PW_DOWN_10V
RX1_SPI_Dout
RX1_SPI_EN
1 2 3 4
RX1_SSI_CLK CV_RX R1000 C1017
RX1_SSI_DT
RX1_SSI_FS 10k R1004 R1005 R1006 R1008 470p
RX_SPI_CLK
RX_SPI_DT 47k 47k 180 0
BOVER
5V_RFSW_EN
VG_DIS
BASW
C1012
0.01u
1.4Vp-p
TXLO etc
4
5V_RX_EN
5V_TX_EN
10V_TX_EN
KNOB_A
KNOB_B
LNA_ON
PLD_PS_SWAT_CTRL
PS_SWT_STATUS
RX_LO1_LOCK
RX_PLL_CLK
RX_PLL_CS
RX_PLL_DT
TX_LO_LOCK
TX_PLL_CLK
TX_PLL_CS
TX_PLL_DT
TX_ASSIST_SW
TX_H/L
RX_ASSIST_SW
RX_H/L
PLL_MOD
TX_PWR_H/L
L900 R903
47 TL903
FROM AD
3 4.2V
CV_RX
CV_TX
RAMP_OFFSET
BATT 2nd LOCAL VCO
THP2
THP3 Q900
THP4 R901 L901 C906 R907
REV 10u
FWD 0 9p 0
PA_CUR MCH3914-H/8/
1.9V
R908
FROM DA
10
TV1
TV2
MPC
APC
ASSIST_TX
ASSIST_RX
FCNT
2
BUFFER AMP(20MHz TCXO)
C913 0.1u R917
IC900 10
CoNT
XT
XT
1.6V
VDD R916 L905
20MHz TCXO VSS
FoUT 470n
39
X900
R900 3.3V NJU6368PF1
FCNT 1 4 R902 R913
FCNT VCC
10 10 BUFFER AMP(20MHz TCXO)
1k
3.3V C912 0.1u
2 3
oUT IC901
GND
CoNT
20MHz 0.5ppm XT
C902 R906
XT 1.6V
1000p 0 VDD
VSS FoUT
TL900 NJU6368PF1
AM5716_MCLK_2
TL901
1
CLKIN_20M_TO_PLD
A B C
(No.RA094<Rev.002>) 2-6
VOLTAGE REGULATOR (TX PRE-DRIVE 3.3V)
R2089
0
3 2 1 CN3017 CN3018
4.6V
L2011 4 5 6 LNA_ON
TX Fin AMP
15n
*C2032 R2029 C2035 R2031 *C2047
Q2002 1.5V
0 470p 0 C2049 C2096 R2046
1.1V
10p 470p 39 RAF040P01
BFR193F
TL2004 R2039 L2010 R2053
10 0
*L2025 PRE DRIVE AMP
TX VCO BUFFER AMP
IC3023
EXP_PAD
*C2061 R2055 C2066 *L2026 R3066 C3087 R3069 C3088
RF_oUT
Q2010
C2028 R2026 R2028 C2046 39 470p 27 100p 0 470p RF_IN
NC2
NC1
6p 0 0 10p BFR193F
NC3
VENABLE
BFR193F
TX_PWR_H/L
TX_FREQ<435MHz:8.3V TX_FREQ<435MHz:0V
TX_FREQ≥435MHz:0V TX_FREQ≥435MHz:8.3V
L2037 R2052 L2022 L2028 R2070 L2039
(F1:450M-485M)
(F2:400M-435M) 470n 22 22 470n
0V TX_L VCO TX_H VCO
D2003
C2024 C2026 SMV1130-079LF *C2040 *L2014 *C2103 C2054 L2054 L2055 C2078 *C2104
15p 150p 0.5p 15n 10n 0.5p
Q2003 TX_FREQ<435MHz:1.5V TX_FREQ<435MHz:0V Q2007
R2037 MCH3914-H/8/ TX_FREQ≥435MHz:0V TX_FREQ≥435MHz:1.5V MCH3914-H/8/
100k
L2005 R2020
0
C2036 L2019
*R2034 R2047
1u 47k
DC SW
Q2000
R2032
4.7k DC SW
R2065 Q2006 R2071 R2073
0 0 470k
EM6M2
R2019 R2035 2SD2654E3/W/
10M 0
TX_ASSIST_SW
REG_5V
BUFFER AMP
DC AMP(ASSIST TX_RX)
IC904
DC SW DC SW
R947 IN+
VDD Q905 Q906
1k VSS R3212 R3211
R953 1k
IN- 10k
OUT
1k 1 2 3 4
BU7261G EM6M2
R951 15k EM6M2
R954 R956
R949 Q904
100k 100k
10k 10MHz SW
C955
C958 8 7 6 5
R3216 R3215
SSM3K15AMFVF 0.1u 0.1u
10k 1k
DC/DC CONVERTER 20V
C969 C964 C953 D906 D907
L910 R950 R959
L3106 15u D3016 L3105 R3475
0.1u 820n 82p 0 0.1u 0
1SS390SM 1SS390SM
IC3011 RB561VM-40 10u 0
GND
SW
L3104 R3469 R3470
VIN
D908 D909 NC
22u 10 10
EN FB
1SS390SM 1SS390SM
TPS61041DRVR
R3468
0
R1013 L1050
10
R1090 L1051
10
RX PLL
R1100 R1011
RX_LO1_LOCK
1k 0
R1010
47k
IC1001
CP1000
NC_2 EXP_PAD
XTALACGND/oSC MUX_oUT RX_PLL_CLK
XTALIN/oSC MoD_IN RX_PLL_CS
XTALoUT/NC CLoCK RX_PLL_DT
VCCXTAL CS (F1:440M-475M)
GNDXTAL DATA
(F2:390M-425M)
VCCDIGITAL R1091 R1012 10*4
*C1034 C1035 D1008
10 10 L1002 R1025 L1003
1u 150p
0 SMV1130-079LF
L1008 R1029
DC SW
0
Q1000
E2001
EM6M2
R1017 R1020 R1028
0 10M 0
(F1:405M-440M)
RX_ASSIST_SW
(F2:355M-390M)
L1000 R1016 L1001 *C1028 C1030 D1004
0 1u 150p SMV1130-079LF
L1004 R1027
RIPPLE FILTER
5.0V 0
R910 L904 Q901 R928
22
0
RX_H/L
4.9V
RIPPLE FILTER
2SD2654E3/W/ 9.1V
R1026
0
1.7V
C917
7p
R922 TV2
1.9V
L700 C771
10k R700 R702
1.8k 4.7u 39p 10k
DC AMP (TV TUNE)
R929 TV2_BUFF
0
4 3 2 1
REG_3.3V
R811
R801 0 TL708
5 6 7 8 10
R812 REG_5V R802 C780
R930
TV1_BUFF C806 10u
10 TL706 TL705 0 0.1u
0 CP701 C807 10u
R701
RX_SPI_CLK
RX_SPI_DT
100k
TL707
RX1_SPI_EN
C767 100p
100*4 C766 100p
R919 TV1
R810 0 EXP_PAD
10k
VREFN
PE
TL704 C789
TL703 C768 0.1u VREFP
TL702 VDDD
C765 0.1u 0.01u
TL902 TL701 VDDH GNDA
CP700 C760 100p
IF IC VDDA
1.6V RX1_SSI_CLK C761 100p CLKoUT
R924 C929
RX1_SSI_DT GCN
RX1_SPI_Dout C762 100p DoUTA
150 0.01u RX1_SSI_FS IC700
DoUTB GCP
C763 100p
100*4 VDDF
FS
IF2P
GNDH
SYNCB IF2N
C860 0.1u GNDF
GNDS1
R925 C930 C764 0.01u
MXoN
FREF
150 0.01u
GNDL MXoP
R805 0
R807
0 R806 0
LO 42.60MHz
D E F G
L3302
7.5V
FINAL POWER AMP
DC SW R3160
Q3062 CN3006 CN3007
DC SW 2.2
Q3063 R3161
13.2V
2.2 Q3069
DRIVE AMP
*R3162 1
GATE_A
Q3065 L3041 L3044 *C3106 4 DRAIN_A
RE1L002SN DRIVE AMP
RD07MUS2BT514
3.3n 11.4n R3163 2
*C3162 L3060 *R3167 GATE_B
Q3067 DRAIN_B
2.2 3
RD01MUS2BT513 0
*L3039 R3164
TX_HI:1.0V 2.2
TX_LO:0.9V
RX:0V *R3165
E1
*C3090 L3031 *C3303 *L3038 DC SW
RX:0V
15n R3090 R3173 TX_HI:2.4V
TX_LO:2.3V
27k 0 R3114
Q3073
1k
R3178
1k R3158 R3172
DC SW CN3010 CN3011 CN3012 CN3013
27k 0
Q3072
RE1C001UN R3175
1k
RX:0V
TX_HI:3.0V
(F1:485M-520M) RE1C001UN
DC SW (VG_DIS) TX_LO:2.9V
(F2:435M-470M) R3113 D3079
0 1SS400SM
R3109
RX:3.3V Q3066
TX:0V 0
R3095
2.2k DC AMP
IC3025
*L2029 *C2088 D2014 C2091 C2093 L2035 R2079 L2036
1u AoUTPUT
SMV1130-079LF 150p 15p 0 LSCR523EBFS8
V+
A-INPUT
BoUTPUT
A+INPUT
B-INPUT
V-
B+INPUT
R2078 L2034
NJM2904CRB1
0
LPF
C3114 0.01u
IC3024
DC SW
CURRENT DETECTOR 7.5V
DC SW Q2009 IC4003 AoUTPUT
R3092 V+
A-INPUT
R4151
oUT 18k BoUTPUT
Q2008 V+ 15k A+INPUT
RE1E002SP V- B-INPUT R3106 C3112
R3117
V-
-IN B+INPUT 4.7k 0.01u 10k
+IN
NJM2904CRB1
EM6M2 LTC6101BIS5-F
R2074 R2075
470k 1k R4016 10m
R3093
R4014 10m
22k
R4015 10m
DC SW (12V)
L4000 DC SW (CONT12V) F4000
4.7u 5A
DC SW
IC4010
Q4021
IN
ASSIST_RX oUT
UVLo R5006
FLT
oVP 1k
DVDT DTB143EC
DC SW
SHDN
ILIM
RTN
Q4004
GND
EXP_PAD
ASSIST_TX
RIPPLE FILTER
LTC023YEBFS8
Q3035 R3477
0
2SD2654E3/W/
R1089 L1032
0
RX Fin AMP
5.0V
L1024 L1025
15n 15n 10.6dBm
6.5dBm *C1075 *C1077
C1066 C1073 R1065 C1084 R1071 *C1085
100p 0 470p 0 Q1008
470p 1.9V *C1096 -3.3dBm C1089
470p
1.2V
BFR193F
RX_FREQ<435MHz:0V
RX_FREQ≥435MHz:8.2V
L1038 R1044 L1018
470n 22
0V RX_H VCO
*C1046 *C1110
*L1015
Q1005 C1061 *L2053
0.5p
MCH3914-H/8/
L1021
RX VCO Buffer AMP
TL1005
RX_FREQ<435MHz:8.2V
RX_FREQ≥435MHz:0V
L1039 R1042 L1019
470n 22
0V RX VCO Buffer AMP
*C1040 *C1111 *C1092 C1500
*L1013 Q1010 R1079
18 470p
RX_L VCO *C1069 *C1082
2.1V Q1007 R1060 R1045
Q1004 C1056 L2052 R1049 C1109 0 0
0.5p 15n 0 470p BFR193F BFR193F
MCH3914-H/8/
DC SW
8.3V
Q1001 R1031 Q1003
0
DC SW
Q1002
2SD2654E3/W/ RE1E002SP
R1035
470k
EM6M2
R1036 R1037
470k 1k
L706
330n
R706 R707
12k 100
R726
680
C795
C787 10p
1.0V
IF AMP
120p L703 L704 C797
IF AMP
180n 3.0V
220n 82p IF AMP IC701
4.9V
Q700
C752 C800 45.000MHz EXP_PAD
L750 R754 Q701 1.7V XF700
0.01u 680n 5.6 180p C802 C803 R716 C804 C810 R718 C814
RF_oUT
BFU550WX 0.01u 27p 0 22p 22p 22 120p RF_IN
NC2
0.9V NC1
NC3
VENABLE
BFU550WX
C741 L761
R753
470p 100n 82
H I J
CN3008 CN3009 L3301
C3300 C3212
47p
47p
C3301 C3213
47p 47p
*CN3014 *CN3015
D3081
RB706FM40
VOLTAGE REGULATOR(9V_2)
IC3030
C3152
470p
R3226 5 4 3 2 1
1k
5.0V
7.5V 7.5V 7.5V
PA CTL (FWD DET) 8.9V
*C3147
7.5V
VOLTAGE REGULATOR(5V_2)
R3127 5.0V
0
R3219
C3144 4 5
VPoS1 VoUT
0
1000p INHI IC3027 VSET
C3133
C3145 INLo CoMM
0.01u 1000p VPoS2 TADJ
DC SW (TADJ) 3 2 1
DC/DC CONV (TX 8.8V)
Q3071
DCDC8_8V_BLS
DC AMP RE1L002SN
E2002
0.01u
C3141 IC4100
7.5V
IC3026 R3209 L4101 L4103
4.7k 1u PGND_2
oUT1 PGND_1
VCC
-IN1 NC_2
NC_1
oUT2 *C3280 VIN_2
+IN1
-IN2 VIN_1
EN
VEE R4159 R4158 BOOT
+IN2 R3270 D3095
PG
0 15k FREQ
BA3472FVM 4.7k 1SS400SM FB
VCC
VOLTAGE REGULATOR (9V)
Q4005 TL4000
TL4003
IC4001
DC SW (PW_DOWN_10V) R4047 R4050
IN_1
oUT 10k 10k
IN_2
oUTS
RRH140P03 R4022
EN/UV
10k Q4006 GND
PG
SET
ILIM
PGFB
DC SW (PS_SWT_STATUS)
DC SW (/MAIN SHDN)
S4000
RE1L002SN R4043 Q4010 POW_SW_ON:0V
EXP_PAD DC SW (9V_TX)
47k POW_SW_OFF:12.0V
DC SW (BASW) D4008
R4011 R4066
Q4008
1SS400SM
10k 10k RE1L002N
Q4020
RQ5C035BC
D4152 DC SW (9V_TX)
Q4007 DC SW (PLD_PS_SWT_CTRL)
1SS400SM EM6M2
RE1L002SN
VOLTAGE REGULATOR (RX_3.3V_M)
3.3V
R4032
4.7k 1 2 3
TL4002
DC/DC CONVERTER (3.3V, 5.0V) C4028 0.1u L4004 3.3V
R4070
0
4.9u 6 5 4
R1083
39
PGND1_1 LX1_3 VOLTAGE REGULATOR (RX_5V_M)
C4030 4700p L4104 5.0V
PVIN1_2 SS1
R4030 2.7k C4044 0.01u
13.2V PVIN1_1 CoMP1
D4003 C4041 47p
R4028 68k 5 4
VIN RoSC
GS1G-L C4016 10u
V7V IC4000
L4001 AGND C4026 47p
R4019 0 R4029 2.7k C4042 0.01u
MoDE CoMP2
4.9u
C4029 4700p
ISHARE SS2
1 2 3
PVIN2_2 R4167
LX2_1
PVIN2_1
LX2_2 0
R4084
47k
C4023
TL4001
0.1u
5.0V
R4071
R4100
0
470k
R4089 DC SW
0 Q4022
LTA043ZEBFS8
R4094 R4092
*L1034
2.2k 10k
L1061 L1062
15n 15n
*L1035 *C1102 *C1103 C1104
R1087
18 0.01u
RESET (DC/DC CONV)
IC4002
VoUT
CD
VSS
R4097
VIN
VSEN
56k
XC6118N15AM
LNA
L735 1.4V
R746
680
2.8V
IC703
*L720
VENABLE
L714 NC3
NC1
*L801 C875 R735 C829 C835 *C836 R739 *C839 NC2 C843
RF_IN
RF_oUT
1.5V 470p 0 33p 3p 18 100p
5.0V EXP_PAD
RX 1st MIXER
TP3
L712
C819 R727
GND9 GND6
IFoP DETo
0.01u R766 0 *R767
IFoN IC702 VSET
C817 L715 R722 C861 5.6 R765
NC ENBL
470p 82n 0 0.01u 0
GND10 GND5
VPLo2 VPLo1
L713
C872 R732
470p 0
K L M
R3300
10k
L3300
*C3221
L3056 L3057 L3058 R3263
TX ANT
15n 15n 15n 0.01
DESTINATION LIST
XC1-329E-00 XC1-329E-01 XC1-329E-00 XC1-329E-01
*F1 (E TYPE)
F2 (E2 TYPE)
(F2:400-470M) (F1:450-520M) (F2:400-470M) (F1:450-520M)
C836 33p 27p C3116 - 39p
C837 22p 18p C3117 - 39p
C839 470p 15p C3118 10p -
C842 9p 6p C3126 43p -
C845 22p 18p C3127 43p -
C847 9p 7p C3143 2200p 1500p
C853 33p 27p C3146 100p 15p
C854 22p 18p C3147 - 470p
C876 4p 3p C3149 3p -
C893 8p 10p C3155 - 10p
C894 - 2p C3156 10p -
C895 - 2p C3157 - 6p
C896 - 2p C3160 33p 12p
C897 - 2p C3161 33p 12p
C1027 2p 1.5p C3162 22p 15p
C1028 22p 15p C3163 470p 270p
C1034 22p 15p C3169 18p 33p
C1040 27p 22p C3174 - 4p
C1041 1.5p 2p C3176 - 5p
C1046 27p 22p C3177 - 12p
C1047 2.5p 3p C3178 - 12p
C1054 7p 6p C3179 10p 9p
C1059 7p 6p C3180 2p -
C1069 7p 6p C3181 470p -
C1075 3p 2p C3183 470p -
L4102
C1077 3p 2p C3211 2.4p 1.5p
C1082 9p 10p C3214 7p 5p
C1085 5p 4p C3215 7p 5p
C1092 7p 6p C3216 5p 4p
C1096 9p 10p C3220 3p -
C1098 12p 10p C3221 2.4p 1p
C1099 6p 5p C3238 - 4p
C1100 6p 5p C3280 470p -
C1102 3p 2p C3303 470p 100p
C1103 3p 2p C3570 6p 10p
C1110 4p 3p L720 220n 150n
C1111 4p 3p L724 220n 150n
C2018 3p 2p L801 15n 10n
L1013 LR79Z0CM35N5G LR79Z0CM28NG
C2023 2p 1.5p
C2031 10p 8p L1015 LR79Z0CM28NG LR79Z0CM22NG
C2032 2p 1.5p L1020 27n 22n
L1027 22n 18n
C2040 22p 15p
C2041 1.5p 2p L1029 33n 27n
C2047 4p 3p L1030 33n 27n
L1034 27n 22n
C2059 10p 8p
R4165 C2061 5p 4p L1035 27n 22n
0 C2069 5p 4p L1037 22n 18n
L2009 22n 18n
C2071 5p 4p
C2087 2p 2.5p L2014 LR79Z0CM28NG LR79Z0CM22NG
C2088 22p 15p L2015 18n 15n
L2017 27n 22n
C2094 2.5p 2p
C2103 5p 4p L2023 27n 22n
C2104 5p 4p L2025 22n 18n
C3079 6p 4p L2026 22n 18n
C3082 7p 9p L2029 LR79Z0CM22NG LR79Z0CM17N5G
C3090 47p 18p L2038 18n 15n
C3094 7p 8p L2053 22n 15n
C3095 15p 6p L3036 18n 10n
DC SW (/MAIN SHDN)
C3097 10p 15p L3037 15n 10n
C3099 470p 270p L3038 6.8n 1.2n
C3100 10p 15p L3039 2.2n 1.2n
C3101 27p 22p R767 4.7k 2.2k
C3105 5p 4p R2034 68k 82k
Q4016 Q4017 C3106 4p 8p R3088 22 10
7.6V
C3107 6p 4p R3162 2.2 -
C3108 3p - R3165 2.2 -
RE1L002N
RE1L002N
C3109 - 10p R3167 1 1.5
C3115 470p 270p R3220 - 33k
R3615 220 100
Q4018 R5500 0 -
R5501 - 0
D708 BBY55-02V -
D709 BBY55-02V -
D715 BBY55-02V -
RE1L002N
D717 BBY55-02V -
CN3014 - E2B-0006-00
CN3015 - E2B-0006-00
DC SW (3.3V_RX_M)
L736 3.3V
Q4015
R4052
RAF040P01
47k
DC SW (5V_RX_M)
5.0V
Q4013 L737
R4051
RAF040P01
47k
DC SW (5V_RX_EN)
Q4014
RE1L002N
DC SW
Q4024
2SD2654E3/W/
*R5500
XC1-329E-00
(F2:400-470MHz)
*R5501
XC1-329E-01
(F1:450-520MHz)
*L724
R744 C844 C852 *C853 C855 L762 C825 R3259
RX ANT
0 33p 3p 3p 39n 470p 0.01
N O P Q