Figure 8-13. Mnur4001B/D Transmitter And Automatic Level Control Circuits - Motorola APX 7000 Detailed Service Manual

8-14
DC_RAW_B+
IN
DC_LIN_5V
IN
C1101 C1102
DC_LIN_3V
IN .01UF 1UF
DC_LIN_5V
DC_LIN_3.3V
R1183
1K
R1184
2.2K
DIG_CTRL_I_LIMIT
IN
R1171 R1172
ANA_CTRL_ISET 0 4.7K
IN
C1137
R1160
12K .022UF
HF_OUT_1
2 TX1
IN
4 TX2
HF_OUT_2
21 TX3
IN
23 TX4
V1_V2
15 V1
14 V2
V3
13 V3
1 NC1
3 NC2
5 NC3
7 NC4
9 NC5
10 NC6
DC_LIN_1_875V_D
DC_LIN_5V
IN
U1137
SN74LVC2T45
DIR D2
DIG_SPI_CLK B2 B1
B1 A1
IN
C2 C1
B2 A2
ANA_CTRL_VSET GND
IN
DC_LIN_5V
DC_LIN_1_875V_D
U1138
SN74LVC2T45
DIG_DATA_SPI_MOSI
DIR D2
IN
B2 B1
B1 A1
C2
B2 A2 C1
TX_INH
DIG_CTRL_TX_INH
GND
IN
DC_LIN_1_875V_D
DC_LIN_5V
U1139
DIG_DMCS SN74LVC2T45
U1147
IN
U1146 74LVC1G08YZP
74LVC1G32YZP A1
DIR
A1 C2 B2
B1
A1
C2 B1 C2
B2 A2
B1
GND
DIG_GPIO49
IN
DC_LIN_1_875V_D
VCC VCC
U1146 U1147
GND GND
74LVC1G32YZP 74LVC1G08YZP
R1125
47K
R1126
20K
DC_LIN_5V
C1106 DC_LIN_5V
.01UF
R1165
200
POS 3
4
U1103 U1148
2 1
VOUT
LM50
LPV321M7X
GND
R1127 R1166
20K 200
R1128
10K
LPV321M7X

Figure 8-13. MNUR4001B/D Transmitter and Automatic Level Control Circuits

DC_LIN_5V
R1103
E1101
.02
1 2
DC_LIN_5V
DC_LIN_5V
R1169
3
340K
TS5A3159 U1143
1
DC_LIN_5V U1144
NC LPV321M7X
1
NO
R1170
6 IN COM 4
5 3 100K
V_POS NC
C1103 GND
.01UF
R1141 R1175
0
510K
U1101
VPOS
INA138
3 1
VINPOS
4
VINNEG
R1108
GND
82K
C1139
10PF
DC_LIN_5V DAC_C
C1108
.068UF
R1110
3 10K
4
1
U1141 R1158
LPV321M7X
100K U1104
LPV321M7X
DNP
3
4
1
C1135
.01UF
C1138
DNP
.022UF
DC_LIN_3.3V
R1104 R1105
100 100
U1102
PE42650
COUPLER_REV
8
RX L1108
RES 11
NC 5.45NH COUPLER_THROUGH
28
ANT
COUPLER_FWD
16
NC7
NC
NC8 17
19
NC9
C1125
NC10 20
22 15PF
NC11
NC12 24 DNP
26
NC13 L1101 C1142
NC14 27
47NH 1000PF
29
NC15
NC16 30
31
NC17
C1104
R1106 R1168
5.1PF
27 0 C1118
DNP DC_LIN_5V
.01UF
U1112
HMC468LP3E
13 V1 1
NC1
DC_LIN_5V 3
14 V2 NC2
C1116 15 V3 4
NC3
.1UF 8
NC4
2 RF1 9
NC5
U1125
11 RF2 10
NC6
AD5624R 12
NC7
5 ACG1
7 VOUTA 1 6
SCLK ACG2
6 VOUTB 2 7 ACG3
SYNC
8 VOUTC 4
DIN
R1122 GND
10 VOUTD 5
75K
VREFIN_VREFOUT
R1121
GND CTGND
DAC_C
30K
C1126
1000PF
C1128
D2
B1 TXH_5V DC_LIN_5V .01UF
C1
IO49 R1178
U1126
10K
LMV7275 U1127
R1137
TS5A3159
3 10K 1
NO
4
6 IN COM 4
1 5 3
V_POS NC
GND
TXH DC_LIN_5V
C1140
OUT
4700PF
R1182
10K
DC_LIN_5V
C1119
.01UF
R1129
10K
3 DNP
4
U1113
1
LPV321M7X
R1164
10K
TXH_1
IN
U1121
M74VHC1GT86
TX_INH
1
4
DC_LIN_5V 2
C1120
.01UF
DC_LIN_5V
TXH_2 IN
R1130 U1121
10K M74VHC1GT86
3 DNP VCC
4
U1114 GND
1
R1167
10K
DC_LIN_5V
R1138 R1142
100K 100K
4
DC_LIN_5V
U1129
LMV841 R1146
R1144
R1139 3 100K
100K
4
100K
1
U1130
LMV841
R1140 3
100K 4
1
R1143
100K
R1145
100K
DC_LIN_3V
C1110 C1113
100PF .01UF
U1106
LTC5532
L1102 C1107
100PF
6.8NH VCC
1
RFIN
4
VM VOUT
3
VOS
R1107 R1112
C1105
68 51 GND
5.6PF
DNP
R1114 R1115
100 100
DC_LIN_5V
DC_LIN_5V
C1129
.01UF
R1163 R1152
10K 10K
3
4 A1
1 U1131
R1162 LMV7275 B1
150K
DC_LIN_5V
Q1105
1
BFR380F
R1179
DNP
0 C1111
.1UF
DC_LIN_5V
U1105
AD8315
1 VPOS 6
R1124 NC
2 RFIN NC 7
51 ENBL VAPC
3 4 C1112
VSET FLTR 1 6800PF
NO
4 COM IN 6
COMM 3 V_POS 5 R1151
NC
GND 10K
U1140
R1180
TXH_1
R1181 C1134 R1161 TS5A3159
0
10K
100K .01UF
DNP
U1128
C1127 .1UF SN74LVC1G00
C1123
DC_LIN_5V
A1
.01UF
C2
3 B1
R1135
4
0 U1142
1
DC_LIN_5V
R1136 LPV321M7X
10K C1124
U1128
4700PF
SN74LVC1G00
VCC
GND
FILT_RAW_B+
Q1101
U1119
MUN5212T 2 TX_7V_1
NC7WZ08 3
OUT
3 3
22K
5 1
Q1103
2 R1102
NTR1P02T1
100K
FILT_RAW_B+
U1119 Q1102
NC7WZ08 MUN5212T
7 3 TX_7V_2 TL_LO2TX
22K 2 3
1 1 OUT
6
Q1104
R1101
NTR1P02T1
100K
DC_LIN_3V
U1119
NC7WZ08
VCC
GND
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF/700–800
DIG_CTRL_ATTH
IN
TXH_1
U1109
NL27WZ32US
1
7
V1_V2
2 TXH_2
DC_LIN_3V DC_LIN_3V
U1123
U1116 U1118 SN74LVC1G00
U1117 A1
SN74LVC1G00
74LVC1G32YZP
NC7WZ04 A1 C2
A1 C2 B1
VCC VCC
C2 1 6 B1
GND GND B1
U1109 U1116 DC_LIN_3V DC_LIN_3V
NL27WZ32US 74LVC1G32YZP
U1118 U1123
TXH_2 U1109
SN74LVC1G00 SN74LVC1G00
NL27WZ32US
VCC VCC
6
3
GND GND
5
5
R1117
75K
R1116
10K
DIG_CTRL_RMTH
13 VCTRL
IN
28
INPUT_OUTPUT
1
NC1
4 NC2
5
NC3
6 NC4
7
NC5
8 NC6
9
NC7
10 NC8
14
NC9
15 NC10
C1130
.01UF
R1174
U1132
PA_OFFSET 10K
7
PR
U1136
2 5
74LVC1G08YZP
D Q
NL17SZ74
C2 1 3
CP Q*
6
CLR
R1176
U1133
DC_LIN_5V 1K
TS5A3159
1 NO
VC
6 4 R1154
IN COM
5 V_POS NC 3 10K VC_OFFSET
GND
VCC DC_LIN_5V
C1141
GND .1UF
U1136
74LVC1G08YZP
R1177
0
U1117
NC7WZ04
3 4
DIG_CTRL_VR IN
RF_RX_DIPLEX_OUT
C1149 6
C1122
100PF
2.2PF
5
L1104 4
L1103
0 C1132
4.7NH
6PF
DNP C1109
100PF
L1114
11NH
C1150
1.2PF
ANA_RX_FE_FILT_VTUNE
TXH_2 TXH_1
U1110
AS211334
TL_TX_IN_2
6 1
V2 J3
OUT
5 2
J1
IN GND
4 3
V1 J2
OUT
TL_TX_IN_1
FILT_RAW_B+
OUT
V3
RF_ANT
OUT
DC_LIN_3.3V
U1111
PE42510
VDD ANT2 23
2
ANT1
NC
R1 11
NC
16
R2
17
NC11
NC12 18
19
NC13
NC14 20
21
NC15
RF_AUX
NC16 24
OUT
26
NC17
NC18 29
31
NC19
TS5A3159
U1145
VC_2
1
NO
OUT
4 COM IN 6
3 V_POS 5
NC
GND
VC_1
OUT
DC_LIN_3V
U1117
VCC
NC7WZ04
GND
U1122
AS211334
RX_IN_1
1
V2 J3
OUT
2
J1 GND
3 RX_IN_2
V1 J2
OUT
RF_GPS_DPLEX
OUT
OUT