8-122
Schematics, Boards Overlays, and Parts Lists
: Main Board Block: VHF (84012512001_A)
Figure 8-67. Automatic Level Control Circuit
DC_LIN_3V
DC_LIN_5V
D
IN
IN
IN
DIG_CTRL_ATTH
IN
.02
R1103M11
E1101M11
1
2
VOUT
GND2
VIN
GND1
DNC1
DNC2
LT1790
.1UF
C1160M11
U1150M11
3
5
1 2
4
6
NC
NC
1UF
C1161M11
SW_B+
DC_LIN_5VREF
IN
340K
LPV321M7X
0
80.6K
R1175M11
U1143M11
R1169M11
R1170M11
DC_LIN_5V
DC_LIN_5V
3
1
4
5
2
IN
NO
COM
GND
NC
TS5A3159
U1144M11
DC_LIN_5V
4
2
6
3
1
5
NC
V_POS
.01UF
510K
C1103M11
R1141M11
DC_LIN_5V
5
VINPOS
VINNEG
VPOS
GND
OUT
10PF
INA138
68.1K
U1101M11
C1139M11
R1108M11
2
1
4
3
10K
LPV321M7X
U1141M11
R1110M11
DC_LIN_5V
DAC_C
3
1
5
2
4
LPV321M7X
100K
.047UF
DNP
R1158M11
U1104M11
C1108M11
4
2
5
3
1
100K
330PF
100K
100K
LMV841
100K
C1162M11
R1140M11
R1138M11
R1139M11
R1142M11
U1129M11
DC_LIN_5V
3
1
4
5
2
100K
100K
100K
LMV841
100K
R1143M11
R1146M11
R1144M11
R1145M11
U1130M11
DC_LIN_5V
3
1
4
5
2
VCC
GND
74LVC1G32YZP
10K
74LVC1G32YZP
27K
U1149M11
U1149M11
R1116M11
R1117M11
TXH_1
TX_SWI
DC_LIN_3V
A1
B1
C2
C1
A2
OUT
BAND
RFIN
VM
VOS
VCC
GND
VOUT
330PF
LTC5532
.01UF
C1110M11
C1113M11
U1106M11
DC_LIN_3V
2
1
6
4
3
5
100PF
51
5.6PF
DNP
6.8NH
68
L1102M11
R1112M11
R1107M11
C1105M11
C1107M11
COUPLER
FWD
RVS
100
100
R1104M11
R1105M11
1000PF
DNP
8.2PF
33NH
100
5.6PF
56.2
L1101M11
C1142M11
R1168M11
R1106M11
C1125M11
C1104M11
ACG3
ACG2
ACG1
GND
V1
VDD
V2
V3
RF1
NC1
NC2
NC4
NC3
RF2
NC5
NC6
NC7
HMC468LP3E
1000PF
.01UF
C1126M11
C1118M11
U1112M11
DC_LIN_5V
5
6
7
17
1
3
4
8
9
10
12
2
11
13
14
15
16
3300PF
C1117M11
100
100
R1114M11
R1115M11
.01UF
12K
.01UF
4.7K
330PF
0
C1169M11
C1138M11
C1137M11
R1172M11
R1171M11
R1160M11
DIG_CTRL_I_LIMIT
ANA_CTRL_ISET
IN
IN
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
SN74LVC2T45
U1137M11
DC_LIN_5V
B1
C1
B2
C2
D2
D1
A1
A2
DIG_SPI_CLK
ANA_CTRL_VSET
IN
IN
0
R1202M11
DC_LIN_1_85
DC_LIN_1_875V_D
IN
ADDED FOR DEFAULT
HIGH
10K
330PF
330PF
C1163M11
C1168M11
C1164M11
R1101M11
330PF
330PF
330PF
C1171M11
C1170M11
DIG_CTRL_TX_INH
DIG_DATA_SPI_MOSI
IN
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
SN74LVC2T45
U1138M11
DC_LIN_1_875V_D
DC_LIN_5VREF
DC_LIN_5V
B1
C1
B2
C2
D2
D1
A1
A2
CTGND
VOUTA
VDD
VOUTD
VOUTB
DIN
SCLK
GND
VOUTC
SYNC
VREFIN_VREFOUT
.1UF
75K
30.1K
.1UF
C1165M11
U1125M11
C1116M11
R1122M11
R1121M11
DC_LIN_5V
DAC_C
G1
8
3
7
6
9
1
2
4
5
10
AD5624R
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
SN74LVC2T45
74LVC1G08YZP
U1147M11
U1139M11
DC_LIN_1_875V_D
IO49
TXH_5V
DC_LIN_5V
B1
C1
D2
A1
A2
C2
TXH
B2
C2
D1
OUT
74LVC1G32YZP
330PF
C1166M11
U1146M11
DIG_DMCS
A1
B1
C2
A1
B1
IN
VCC
GND
VCC
GND
330PF
74LVC1G08YZP
74LVC1G32YZP
C1167M11
U1147M11
U1146M11
DIG_GPIO49
DC_LIN_1_875V_D
C1
A2
C1
A2
IN
TX_INH
FIL
OUT
3PF
1.65NH
CONN_P
J102M11
R1198M11
L1117M11
C1122M11
RF_OUT
RF_OUT
5
1
2
3
4
OUT
10K
IN
NO
COM
GND
.1UF
15PF
0
10K
TS5A3159
10K
1.82K
C1172M11
C1141M11
R1176M11
R1177M11
R1174M11
R1154M11
U1133M11
VC
PA_OFFSET
4
2
6
3
1
5
NC
V_POS
PR
VCC
GND
Q*
D
CLR
CP
Q
VCC
GND
NL17SZ74
.01UF
74LVC1G08YZP
74LVC1G08YZP
U1136M11
U1136M11
C1130M11
U1132M11
DC_LIN_5V
DC_LIN_5V
DC_LIN_5V
6
1
2
4
7
5
3
8
C1
A2
B1
C2
A1
150K
10K
.01UF
LMV7275
16K
R1162M11
R1163M11
C1129M11
R1152M11
U1131M11
DC_LIN_5V
3
4
5
1
2
51
0
R1180M11
R1124M11
DC_LIN_5V
RFIN
ENBL
VSET
FLTR
VPOS
COMM
NC
VAPC
GND
NC
AD8315
.1UF
C1111M11
U1105M11
5
2
4
9
6
1
8
3
7
BAND
BAND
6800PF
15K
R1151M11
C1112M11
VCC
GND
SN74LVC1G00
SN74LVC1G00
U1128M11
U1128M11
DC_LIN_5V
A1
B1
C2
C1
A2
IN
NO
COM
GND
TS5A3159
0
10K
R1178M11
U1127M11
R1135M11
DC_LIN_5V
4
2
3
5
NC
V_POS
10K
.01UF
.1UF
LPV321M7X
10K
4700PF
R1182M11
U1142M11
C1127M11
C1123M11
C1124M11
R1136M11
DC_LIN_5V
6
1
3
1
4
5
2
10K
4700PF
.01UF
LMV7275
C1140M11
C1128M11
R1137M11
U1126M11
DC_LIN_5V
3
1
4
5
2
LPV321M7X
10K
.01UF
R1164M11
C1119M11
U1113M11
DC_LIN_5V
1
2
3
4
5
POS
GND
VOUT
LPV321M7X
11K
330PF
LM50
C1106M11
U1103M11
C1156M11
U1148M11
R1126M11
DC_LIN_5V
DC_LIN_5V
2
4
1
3
2
3
1
5
VCC
GND
M74VHC1GT86
M74VHC1GT86
330PF
C1158M11
U1121M11
U1121M11
DC_LIN_5V
3
1
4
5
2
200
200
330PF
.01UF
10K
LPV321M7X
C1157M11
R1166M11
R1165M11
R1167M11
C1120M11
U1114M11
DC_LIN_5V
1
5
2
4
3
20K
10K
R1127M11
R1128M11
27K
.01UF
R1125M11
VCC
GND
74LVC1G08YZP
330PF
C1159M11
U1119M11
DC_LIN_3V
C1
A2
74LVC1G08YZP
U1119M11
TXH_1
TX_INH
A1
B1
C2
IN
22K
22K
NTR1P02T1
MUN5212T
100K
R1102M11
Q1101M11
Q1103M11
FIL
3
1
2
1
3
2
ANA_RX_FE_FILT_VTUNE
TX_7V_1
OUT
OUT
VCTRL
OUT
Summary of Contents for Astro APX 3000
Page 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Page 2: ......
Page 4: ...Notes ...
Page 6: ...vi Document History Notes ...
Page 10: ...x Table of Contents Notes ...
Page 12: ...xii List of Tables Notes ...
Page 18: ...xviii List of Figures Notes ...
Page 22: ...xxii CommercialWarranty Notes ...
Page 46: ...3 20 Theory of Operation Main Board Notes ...
Page 84: ...3 58 Theory of Operation Bluetooth Notes ...
Page 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Page 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Page 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Page 468: ...Glossary 10 Glossary Notes ...
Page 472: ...Index 4 Index Notes ...
Page 473: ......