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Motorola APX 6000 Service Manual

Motorola APX 6000
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8-10 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF
Figure 8-8. NUD7120A Transmitter and Automatic Level Control Circuits
4
DC_LIN_3V
DC_REF_B+
DC_LIN_5V
DC_RAW_B+
IN
IN
IN
IN
R1184
R1183
1K
2.2K
DC_LIN_5V
DC_LIN_3.3V
C1101 C1102
.01UF 1UF
21
E1101
R1103
.02
VINPOS
VINNEG
VPOS
GND
OUT
5
3
4
1
2
U1101
C1139
R1141
R1108
C1103
DC_LIN_5V
INA138
10PF
.01UF
82K
510K
IN
V_POS
NC
NO
COM
GND
NC
5
1
3
6
2
4
U1144
R1175
R1169
R1170
DC_LIN_5V
0
100K
340K
DC_LIN_5V
TS5A3159
25
4
1
3
U1143
LPV321M7X
DC_LIN_5V
R1140
R1138
R1139
R1142
2
5
4
1
3
U1129
DC_LIN_5V
100K 100K
LMV841
100K
100K
R1143
R1146
R1144
R1145
25
4
1
3
U1130
DC_LIN_5V
100K
LMV841
100K
100K
100K
R1112
R1107
C1105
C1110
C1107
C1113
L1102
100PF
.01UF
68
51
DNP
100PF
6.8NH
DC_LIN_3V
5.6PF
RFIN
VM
VOS
VCC
GND
VOUT
R1116
R1117
5
3
4
6
1
2
U1106
10K
75K
LTC5532
NC
NC
VOUT
GND2
VIN
GND1
DNC1
DNC2
C1160 C1161
64
2
1
5
3
U1150
.1UF
DC_LIN_5VREF
LT1790
1UF
C1138C1137
R1172
R1171
R1160
4.7K
.022UF
0
12K
ANA_CTRL_ISET
DIG_CTRL_I_LIMIT
.022UF
IN
IN
NC4
NC3
RES
RX
CTGND
GND4
GND3
GND2
GND1
VDD
V3
V2
V1
TX4
TX3
NC17
NC16
NC15
NC14
ANT
NC13
NC12
NC9
NC8
NC7
NC6
NC5
NC11
TX2
TX1
NC2
NC1
NC10
NC
NC
12
13
14
15
23
21
4
2
8
11
19
17
16
10
9
7
5
3
31
30
29
27
26
24
22
20
1
32
25
18
6
G1
28
U1102
PE42650
DC_LIN_3.3V
HF_OUT_1
V3
V1_V2
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
A2
A1
D1
D2
C2
B2
C1
B1
U1137
SN74LVC2T45
DC_LIN_1_875V_D
DIG_SPI_CLK
ANA_CTRL_VSET
DC_LIN_5V
IN
IN
IN
DIG_DMCS
DIG_CTRL_TX_INH
DIG_DATA_SPI_MOSI
IN
IN
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
A2
A1
D1
D2
C2
B2
C1
B1
U1138
DC_LIN_5VREF
DC_LIN_5V
DC_LIN_1_875V_D
SN74LVC2T45
D2
C1
B1
U1139
TX_INH
DC_LIN_5V
SN74LVC2T45
DC_LIN_1_875V_D
TXH_5V
TXH
IO49
OUT
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
A2
A1
D1
C2
B2
VCC
GND
VCC
GND
C2
B1
A1
U1147
A2
C1
U1147
C2
B1
A1
U1146
A2
C1
U1146
74LVC1G08YZP
74LVC1G32YZP
74LVC1G32YZP
DIG_GPIO49
74LVC1G08YZP
DC_LIN_1_875V_D
IN
R1164
C1119
R1129
25
4
1
3
U1113
.01UF
10K
10K
DC_LIN_5V
LPV321M7X
DNP
R1125
R1126
DC_LIN_5V
39K
100K
DC_LIN_5V
POS
GND
VOUT
2
3
U1103
LM50
25
1
3
U1148
C1106
1
.01UF
DC_LIN_5V
LPV321M7X
R1166
R1165
R1127
R1128
200
200
22K
51K
R1167
C1120
R1130
25
4
1
3
U1114
LPV321M7X
.01UF
10K
DNP
10K
4
2
1
U1121
M74VHC1GT86
DC_LIN_5V
VCC
GND
5
3
U1121
M74VHC1GT86
22K
22K
2
3
1
Q1101
MUN5212T
VCC
GND
C2
B1
A1
U1119
A2
C1
U1119
TXH_1
DC_LIN_3V
74LVC1G08YZP
74LVC1G08YZP
TX_INH
IN
R1102
2
1
3
Q1103
FILT_RAW_B+
100K
NTR1P02T1
TX_7V
OUT
DIG_CTRL_ATTH
IN
VOUTA
VDD
VOUTD
VOUTB
VOUTC
5
4
2
1
U1125
C1116
R1122
R1121
30K
75K
.1UF
DC_LIN_5V
AD5624R
DAC_C
CTGND
DIN
SCLK
GND
SYNC
VREFIN_
VREFOUT
C1165
10
9
6
7
3
8
G1
.1UF
C1140
C1128
R1137
25
4
1
3
U1126
LMV7275
10K
DC_LIN_5V
4700PF
.01UF
IN
V_POS
NC
NO
COM
GND
R1182
R1178
5
1
3
6
2
4
U1127
R1135
0
10K
10K
DC_LIN_5V
TS5A3159
25
4
1
3
U1142
C1127
C1123
C1124
R1136
DC_LIN_5V
LPV321M7X
10K
.1UF
4700PF
.01UF
R1180
R1181
R1124
51
DNP
0
100K
RFIN
ENBL
VSET
VPOS
COMM
NC
VAPC
FLTR
NC
R1151
C1112
C1111
3
8
7
16
4
2
5
U1105
DC_LIN_5V
6800PF
10K
.1UF
AD8315
R1162
R1163
C1129
R1152
25
4
1
3
U1131
10K
LMV7275
DC_LIN_5V
150K
10K
.01UF
PR
VCCGND
Q*
D
CLR
CP
Q
VCC
GND
C2
B1
A1
U1136
A2
C1
U1136
C1130
8
3
5
7
4
2
1
6
U1132
DC_LIN_5V
NL17SZ74
.01UF
DC_LIN_5V
74LVC1G08YZP
74LVC1G08YZP
IN
V_POS
NC
NO
COM
GND
R1176
R1177
5
1
3
6
2
4
U1133
0
1K
TS5A3159
DC_LIN_5V
C1141
R1174
R1154
PA_OFFSET
VC
10K
.1UF
10K
VCONTROL
OUT
RF_ANT
RF_AUX
DIG_CTRL_RMTH
IN
OUT
OUT
C1162
FILT_RAW_B+
1UF
OUT
VCC
GND
VCC
GND
A2C1
U1118
52
U1117
DC_LIN_3V
NC7WZ04
74LVC1G32YZP
DC_LIN_3V
C2
B1
A1
U1118
61
U1117
NC7WZ04
V1_V2
V3
74LVC1G32YZP
VCC
GND
C2
B1
A1
U1116
A2C1
U1116
TXH_1
TXH_2
74LVC1G32YZP
DC_LIN_3V
74LVC1G32YZP
TXH_2
IN
25
4
1
3
U1141
R1158
R1110
C1108
1
3
10K
100K
DNP
DAC_C
.068UF
LPV321M7X
DC_LIN_5V
C1135
25
4
U1104
LPV321M7X
.01UF
DNP
R1104 R1105
COUPLER_REV
COUPLER_THROUGH
100100
COUPLER_FWD
C1142
R1168
L1108
C1125
R1106
C1104
L1101
15PF
DNP
0
5.45NH
47NH
DNP
27
5.1PF
1000PF
C1118
R1114 R1115
100
100
.01UF
DC_LIN_5V
ACG3
ACG2
ACG1
GND
V1
VDD
V2
V3
RF1
NC1
NC2
NC4
NC3
RF2
NC5
NC6
NC7
C1126
C1117
16
15
14
13
11
2
12
10
9
8
4
3
1
17
7
6
5
U1112
1000PF
3300PF
HMC468LP3E
VCC
GND
A2
C1
U1128
DC_LIN_5V
SN74LVC1G00
C2
B1
A1
U1128
SN74LVC1G00
RFIO1
RFIO2
GND
V1
V2
R1186
C1152
5
4
3
1
2
U1149
C1150
L1114
L1104
C1149
L1103
C1132
C1122
43
U1117
RF_RX_DIPLEX_OUT
0
1.2PF
11NH
100PF
4.7NH
0
DNP
6PF
2.2PF
AT267
330PF
NC7WZ04
DNP
ANA_RX_FE_FILT_VTUNE
OUT
RX_IN
OUT

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Motorola APX 6000 Specifications

General IconGeneral
BrandMotorola
ModelAPX 6000
CategoryTwo-Way Radio
LanguageEnglish

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