Schematics, Boards Overlays, and Parts Lists
: Main Board Block: UHF2 (84012616001)
8-181
Figure 8-105. Frequency Generation Unit Circuit - 2 of 2
DC_LIN_1_5V
DC_LIN_2_775V
DC_LIN_5V
DC_SUPER_FILTER_5V
GPO2
GPO1
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
SKY13251
U738M7
7
6
3
1
8
5
4
2
G1
NC
0
DNP
R709M7
TXH
IN
NC
NC
NC
NTZD3154N
Q785M7
4
1
5
2
3
6
560
220PF
10
560
C781M7
R707M7
R703M7
R704M7
RX_LO
OUT
560
47PF
6.2K
390NH
1000PF
18
390NH
.22UF
R776M7
L775M7
C773M7
C772M7
R769M7
R766M7
L759M7
C764M7
DC_LIN_1_5V
220PF
BC858CD
100
Q767M7
R771M7
C819M7
4
3
5
2
56K
20K
BC858CD
Q767M7
R762M7
R763M7
1
6
150
220PF
36
220PF
150
R799M7
R785M7
C803M7
R809M7
C817M7
1000PF
390NH
270
33PF
R757M7
L755M7
C753M7
C751M7
BC858CD
390NH
22K
82
82K
220PF
BC858CD
5.6K
36
.22UF
R747M7
Q745M7
R748M7
C786M7
R744M7
C743M7
L739M7
Q745M7
R741M7
R742M7
DC_LIN_1_5V
4
3
5
1
6
2
180
30
180
220PF
220PF
R823M7
R822M7
C824M7
R746M7
C740M7
VCO_IN
IN
1.8K
DNP
100PF
33
DNP
270
100PF
33
3.6K
R731M7
R711M7
R710M7
C728M7
R730M7
R728M7
C727M7
0
1000PF
33PF
390NH
NE68519
L758M7
C735M7
C733M7
R736M7
Q731M7
13
2
220PF
18NH
680
62PF
8.2
NE662M04
220PF
3.9PF
1PF
DNP
DNP
C770M7
C768M7
L765M7
C760M7
R754M7
R761M7
C816M7
Q756M7
C813M7
DC_LIN_1_5V
3
1
2
4
100PF
100PF
8.2PF
8.2PF
12NH
TEST_POINT
C738M7
C708M7
L709M7
C705M7
TP737M7
C823M7
1
RF_PRESCALAR
13NH
47PF
NE662M04
220PF
3.3PF
3.3PF
7.5PF
13NH
L729M7
L778M7
C779M7
C701M7
C741M7
C780M7
C777M7
Q774M7
TX_INJ
3
1
2
4
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: ......