8-174
Schematics, Boards Overlays, and Parts Lists
: Main Board Block: UHF2 (84012616001)
Figure 8-98. Automatic Level Control Circuit
82PF
47PF
C1174M11
C1173M11
E1101M11
DC_LIN_3V
DC_LIN_5V
D
2
1
IN
IN
IN
.02
R1103M11
DIG_CTRL_ATTH
IN
.022UF
4.7K
.022UF
12K
0
100PF
C1169M11
C1138M11
C1137M11
R1172M11
R1171M11
R1160M11
ANA_CTRL_ISET
DIG_CTRL_I_LIMIT
IN
IN
VINPOS
VINNEG
VPOS
GND
OUT
510K
INA138
10PF
68.1K
.01UF
C1103M11
U1101M11
C1139M11
R1141M11
R1108M11
DC_LIN_5V
5
3
4
1
2
IN
V_POS
NO
COM
GND
NC
TS5A3159
U1144M11
DC_LIN_5V
5
1
3
6
2
4
NC
340K
0
80.6K
R1175M11
R1169M11
R1170M11
DC_LIN_5V
LPV321M7X
U1143M11
DC_LIN_5V
25
4
1
3
VOUT
GND2
VIN
GND1
DNC1
DNC2
NC
NC
1UF
LT1790
.1UF
C1161M11
C1160M11
U1150M11
DC_LIN_5VREF
6
4
2
1
5
3
SW_B+ IN
LPV321M7X
U1141M11
25
1
3
.068UF
100K
10K
LPV321M7X
R1158M11
U1104M11
R1110M11
C1108M11
DC_LIN_5V
DAC_C
4
25
4
1
3
100K
100K
100K
LMV841
100PF
100K
C1162M11
R1140M11
R1138M11
R1139M11
R1142M11
U1129M11
DC_LIN_5V
DC_LIN_5V
25
4
1
3
100K
100K
100K
LMV841
100K
R1143M11
R1146M11
R1144M11
R1145M11
U1130M11
25
4
1
3
6.8NH
68
5.6PF
L1102M11
R1107M11
C1105M11
BAND
RFIN
VM
VOS
VCC
GND
VOUT
DNP
LTC5532
.01UF
51
100PF
100PF
R1112M11
C1110M11
C1107M11
C1113M11
U1106M11
DC_LIN_3V
5
3
4
6
1
2
10K
75K
R1116M11
R1117M11
TXH_1
B1
A1
74LVC1G32YZP
U1149M11
TX_SWI
C2
OUT
VCC
GND
74LVC1G32YZP
U1149M11
DC_LIN_3V
A2
C1
3PF
1.65NH
L1117M11
C1122M11
CONN_P
J102M11
RF_OUT
4
3
2
1
5
OUT
10K
R1198M11
RF_OUT
VCTRL
OUT
10K
10K
R1174M11
R1154M11
PA_OFFSET
IN
NO
COM
GND
0
TS5A3159
.1UF
C1141M11
R1177M11
U1133M11
VC
DC_LIN_5V
5
1
3
6
2
4
NC
V_POS
PR
VCC
GND
D
CLR
CP
VCC
GND
74LVC1G08YZP
NL17SZ74
74LVC1G08YZP
U1136M11
U1136M11
U1132M11
DC_LIN_5V
DC_LIN_5V
C2
B1
A1
A2
C1
8
3
5
7
4
2
1
6
Q*
Q
100PF DNP
.01UF
1K
C1172M11
R1176M11
C1130M11
150K
LMV7275
10K
10K
.01UF
R1162M11
R1163M11
C1129M11
R1152M11
U1131M11
DC_LIN_5V
25
4
1
3
RFIN
ENBL
VSET
FLTR
VPOS
COMM
NC
VAPC
GND
NC
AD8315
51
0
.1UF
C1111M11
R1180M11
R1124M11
U1105M11
DC_LIN_5V
3
8
7
1
6
9
4
2
5
BAND
BAND
6800PF
15K
R1151M11
C1112M11
VCC
GND
SN74LVC1G00
SN74LVC1G00
U1128M11
U1128M11
DC_LIN_5V
A2
C1
C2
B1
A1
IN
NO
COM
GND
10K
.01UF
TS5A3159
10K
0
4700PF
.1UF
R1182M11
R1178M11
U1127M11
C1127M11
C1123M11
C1124M11
R1136M11
R1135M11
DC_LIN_5V
DC_LIN_5V
25
1
3
5
1
3
6
2
4
NC
V_POS
LPV321M7X
U1142M11
4
4700PF
.01UF
LMV7275
10K
C1140M11
C1128M11
R1137M11
U1126M11
DC_LIN_5V
25
4
1
3
VCC
GND
VCC
GND
74LVC1G08YZP
74LVC1G32YZP
100PF
100PF
C1167M11
C1166M11
U1147M11
U1146M11
DC_LIN_1_875V_D
DIG_GPIO49
A2
C1
A2
C1
IN
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
SN74LVC2T45
U1139M11
DC_LIN_1_875V_D
DC_LIN_5V
A2
A1
D1
D2
C2
B2
C1
B1
IO49
TXH
TXH_5V
OUT
74LVC1G32YZP
74LVC1G08YZP
U1147M11
U1146M11
C2
B1
A1
C2
B1
A1
100PF
100PF
C1171M11
C1170M11
DIG_DATA_SPI_MOSI
DIG_DMCS
DIG_CTRL_TX_INH
IN
IN
CTGND
VOUTA
VDD
VOUTD
VOUTB
DIN
SCLK
GND
VOUTC
SYNC
VREFIN_VREFOUT
AD5624R
.1UF
75K
30.1K
.1UF
C1165M11
U1125M11
C1116M11
R1122M11
R1121M11
DAC_C
DC_LIN_5V
10
5
4
2
1
9
6
7
3
8
G1
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
SN74LVC2T45
U1137M11
DC_LIN_5V
DC_LIN_5VREF
A2
A1
D1
D2
C2
B2
C1
B1
ADDED FOR DEFAULT
HIGH
0
100PF
100PF
10K
100PF
C1163M11
R1202M11
C1168M11
C1164M11
R1101M11
DC_LIN_1_875V_D
DIG_SPI_CLK
DC_LIN_1_85
ANA_CTRL_VSET
IN
IN
IN
A1
A2
VCCA
VCCB
GND
B1
B2
DIR
SN74LVC2T45
U1138M11
DC_LIN_1_875V_D
TX_INH
DC_LIN_5V
A2
A1
D1
D2
C2
B2
C1
B1
POS
GND
VOUT
LPV321M7X
LM50
100PF
.01UF
47K
20K
C1106M11
U1103M11
C1156M11
U1148M11
R1125M11
R1126M11
DC_LIN_5V
DC_LIN_5V
25
4
1
3
2
1
3
10K
LPV321M7X
R1164M11
U1113M11
25
4
1
3
20K
10K
LPV321M7X
100PF
10K
.01UF
200
200
C1157M11
R1166M11
R1165M11
R1167M11
R1127M11
C1120M11
R1128M11
U1114M11
DC_LIN_5V
25
4
1
3
VCC
GND
M74VHC1GT86
100PF
C1158M11
U1121M11
DC_LIN_5V
5
3
M74VHC1GT86
U1121M11
4
2
1
.01UF
C1119M11
DC_LIN_5V
COUPLER
RVS
FWD
100
100
R1104M11
R1105M11
ACG3
ACG2
ACG1
GND
V1
VDD
V2
V3
RF1
NC1
NC2
NC4
NC3
RF2
NC5
NC6
NC7
HMC468LP3E
U1112M11
16
15
14
13
11
2
12
10
9
8
4
3
1
17
7
6
5
.01UF
C1118M11
DC_LIN_5V
8.2PF
100
33NH
5.6PF
DNP
1000PF
6.8
L1101M11
C1142M11
R1168M11
R1106M11
C1125M11
C1104M11
100
100
R1114M11
R1115M11
3300PF
C1117M11
1000PF
C1126M11
VCC
GND
74LVC1G08YZP
100PF
C1159M11
U1119M11
DC_LIN_3V
A2
C1
22K
22K
74LVC1G08YZP
U1119M11
TXH_1
2
3
1
C2
B1
A1
IN
TX_INH
NTR1P02T1
MUN5212T
100K
R1102M11
Q1101M11
Q1103M11
FIL
2
1
3
TX_7V_1
ANA_RX_FE_FILT_VTUNE
OUT
OUT
FIL
OUT
IN
10K
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: ......