Figure 8-52. Mnut4000A/C/E Transmitter And Automatic Level Control Circuits - Motorola APX 7000 Detailed Service Manual

8-114
R1103
DC_RAW_B+ .02
IN
DC_LIN_5V
IN
C1101 C1102
DC_LIN_3V
.01UF 1UF
IN
DC_LIN_5V
DC_LIN_3.3V
R1183
1K
R1184
2.2K
DIG_CTRL_I_LIMIT
IN
R1172
ANA_CTRL_ISET 4.7K
IN
R1171
0
C1137
R1160 C1138
12K .022UF .022UF
DC_LIN_3.3V
U1102
PE42650
HF_OUT_1
2 TX1 RX
IN
4 TX2 RES
HF_OUT_2
21 TX3
IN ANT
23 TX4
V1_V2
15
V1 NC7
14 V2 NC8
V3
13 V3 NC9
NC10
1 NC1 NC11
3 NC2 NC12
5 NC3
NC13
7 NC4 NC14
9 NC5
NC15
10 NC16
NC17
DC_LIN_1_875V_D DC_LIN_5V
IN
U1137
SN74LVC2T45
DC_LIN_5V
DIR D2
DIG_SPI_CLK
B2 B1
IN B1 A1
C1
C2 B2 A2
ANA_CTRL_VSET
IN
7
SCLK
6
SYNC
8
DIN
10
VREFIN_VREFOUT
DC_LIN_5V
GND CTGND
DC_LIN_1_875V_D
U1138
SN74LVC2T45
DIG_DATA_SPI_MOSI
DIR D2
IN
B2 B1 TX_INH
B1
A1
C2 C1
B2 A2
DIG_CTRL_TX_INH
IN
DC_LIN_1_875V_D
DC_LIN_5V
U1139
DIG_DMCS SN74LVC2T45
U1147
IN
U1146 74LVC1G08YZP
74LVC1G32YZP A1 D2
DIR
A1 C2 B1
B2 B1
A1
C2 B1 C2 C1
B2 A2
B1
DIG_GPIO49
IN
DC_LIN_1_875V_D
TXH
OUT
VCC VCC U1147
U1146
74LVC1G32YZP 74LVC1G08YZP
GND GND
DC_LIN_5V
R1125
47K
3
U1113
1
R1126 LPV321M7X
20K
DC_LIN_5V
DC_LIN_5V
C1106
.01UF
R1165
200
3
4 DC_LIN_5V
U1148
2 1
VOUT
LPV321M7X
U1103
GND
LM50
R1127 R1166
20K 200
3
U1114
1
R1128
10K
LPV321M7X

Figure 8-52. MNUT4000A/C/E Transmitter and Automatic Level Control Circuits

E1101
DC_LIN_5V
1 2
DC_LIN_5V
DC_LIN_5V
R1169
3
340K
4
U1144 U1143
1
TS5A3159
DC_LIN_5V LPV321M7X
NC
1 NO
R1170
6 COM 4
IN
80.6K
5 V_POS NC 3
C1103 GND
.01UF
R1175
INA138 R1141
0
U1101
510K
VPOS
3 1
VINPOS
4
VINNEG
R1108
GND
82K
C1139
DC_LIN_5V
10PF DAC_C
C1108
.068UF
R1110
3
10K
4
R1158
1
100K DNP
U1141
U1104
LPV321M7X
LPV321M7X
3
4
1
C1135
.01UF
DNP
R1104 R1105
100 100
COUPLER_REV
8 L1108
11
NC 5.45NH COUPLER_THROUGH
28
16 COUPLER_FWD
NC
17
19 C1125
20
15PF
22 R1114
DNP
24 100
26 L1101 C1142
27 1000PF
47NH
29
30
31
C1104
R1106 R1168
0 5.1PF C1118
10
DC_LIN_5V
DNP .01UF
U1112
HMC468LP3E
13 V1 NC1 1
14 V2 3
NC2
C1116
15 V3 4
NC3
.1UF 8
NC4
2 RF1 9
U1125 NC5
11 RF2 NC6 10
AD5624R 12
NC7
5 ACG1
VOUTA 1 6
ACG2
VOUTB 2 7 ACG3
4
VOUTC
R1122
VOUTD 5 GND
75K
C1117
R1121 C1126
3300PF
DAC_C 30K
1000PF
C1128
TXH_5V
DC_LIN_5V .01UF
R1178
IO49
U1126 10K
U1127
LMV7275
R1137
TS5A3159
10K
3 1 NO
4 6 IN COM 4
1 5 3
V_POS NC
R1135
GND
C1140 DC_LIN_5V 0
4700PF
R1182
10K
C1119
.01UF
R1129
10K
DNP
4
R1164
TXH_1
10K
IN
U1121
M74VHC1GT86
1
4
2 TX_INH
C1120
.01UF
DC_LIN_5V TXH_2
IN
R1130 U1121
10K M74VHC1GT86
VCC
DNP
4
GND
R1167
10K
DC_LIN_5V
R1138 R1142
100K 100K
DC_LIN_5V
U1129
LMV841
R1144 R1146
R1139 3
100K 100K
4
100K
1
U1130
LMV841
3
R1140
4
100K
1
R1143
100K
R1145
100K
DC_LIN_3V
C1113
.01UF
C1110 U1106
100PF LTC5532
L1102 C1107
100PF VCC
6.8NH
1
RFIN
4 5
VM VOUT
3
VOS
R1107 C1105 R1112
68 51
5.6PF
DNP
R1115
100
DC_LIN_5V
DC_LIN_5V
C1129
.01UF
R1163 R1152
U1136
10K
10K
3 74LVC1G08YZP
4 A1
U1131
1
LMV7275
R1162 B1
150K
DC_LIN_5V
DC_LIN_5V
Q1105
BFR380F
1
R1179
DNP
0 C1111
.1UF
DC_LIN_5V
U1105
AD8315
R1124 1 VPOS 6
NC NC
51 2 RFIN 7
VAPC
3 ENBL 4
FLTR
VSET NO 1
4 6
COM IN
C1112 R1151
COMM 3 NC V_POS 5
6800PF 10K
GND
TXH_1
U1140
R1180
R1181 R1161
0 C1134 TS5A3159
100K 10K
4700PF
DNP
U1128
C1127 .1UF SN74LVC1G00
C1123 DC_LIN_5V
A1
.01UF
C2
3 B1
4
1 U1142
DC_LIN_5V
LPV321M7X
R1136
10K C1124
4700PF
U1128
VCC SN74LVC1G00
GND
FILT_RAW_B+
Q1101
U1119
NC7WZ08 MUN5212T 2 TX_7V_1
3
OUT
3 3
22K
5 Q1103
1
2
NTR1P02T1
R1102
100K
Q1102 FILT_RAW_B+
U1119
TL_LO2TX
NC7WZ08 MUN5212T
7 3 TX_7V_2
IN
1 22K 2 3
1 OUT
6
R1101
Q1104
100K
DC_LIN_3V
NTR1P02T1
U1119
NC7WZ08
VCC
GND
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/VHF
DIG_CTRL_ATTH
IN
TXH_1
U1109
NL27WZ32US
1
7
V1_V2
2 TXH_2
DC_LIN_3V
DC_LIN_3V
U1123
U1118
SN74LVC1G00
U1109 U1116 U1116 SN74LVC1G00
A1
U1117
NL27WZ32US 74LVC1G32YZP 74LVC1G32YZP
A1 C2
NC7WZ04
A1 C2 B1
VCC VCC
C2 1 6 B1
GND GND
B1
DC_LIN_3V DC_LIN_3V
U1123
U1118
U1109
TXH_2 SN74LVC1G00
SN74LVC1G00
NL27WZ32US
VCC VCC
6
3
GND GND
5
R1117
75K
R1116
10K
DIG_CTRL_RMTH
13
IN VCTRL
28
INPUT_OUTPUT
1
NC1
4 NC2
5 NC3
6
NC4
7 NC5
8 NC6
9 NC7
10 NC8
14
NC9
15
C1130
.01UF
R1174
U1132
10K
7 PA_OFFSET
PR
2 Q 5
D
NL17SZ74
C2 1 3
Q*
CP
6
CLR
R1176
U1133
1K
TS5A3159
1 NO
VC R1154
4
6 IN COM
5 V_POS NC 3 10K VC_OFFSET
VCC DC_LIN_5V GND
C1141
GND .1UF
U1136
74LVC1G08YZP
R1177
0
U1117
NC7WZ04
DIG_CTRL_VR
3 4
IN
RF_RX_DIPLEX_OUT
C1122 C1149 6
2.2PF 100PF
5
L1104
4
C1132
0
6PF
DNP C1109
L1103
L1114 100PF
4.7NH
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 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
11 NC
R1
16
R2
NC
NC11 17
18
NC12
19
NC13
20
NC14
21
NC15 RF_AUX
24
NC16 OUT
26
NC17
29
NC18
NC19 31
DC_LIN_5V
TXH_2
TS5A3159
U1145
VC_2
NO 1
OUT
4 COM IN 6
3 V_POS 5
NC
GND
VC_1
OUT
DC_LIN_3V
U1117
NC7WZ04
VCC
GND
U1122
AS211334
RX_IN_1
1
V2 J3 OUT
2
J1 GND
RX_IN_2
3
V1
J2 OUT
RF_GPS_DPLEX
OUT
OUT