Schematics, Boards Overlays, and Parts Lists
: Main Board Block: UHF1 (84012513001_A)
8-15
Figure 8-13. Frequency Generation Unit Circuit – 2 of 2
DC_LIN_5V
DC_LIN_2_775V
DC_LIN_1_5V
DC_SUPER_FILTER_5V
GPO2
GPO1
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
DNP
0
SKY13251
R709M7
U738M7
TXH
7
6
3
1
8
5
4
2
G1
IN
NC
NC
NC
NTZD3154N
Q785M7
4
1
5
2
3
6
NC
NC
220PF
560
10
560
C781M7
R707M7
R703M7
R704M7
RX_LO
OUT
18
6.2K
390NH
.22UF
R769M7
R766M7
L759M7
C764M7
DC_LIN_1_5V
BC858CD
100
220PF
220PF
100
56K
75
20K
BC858CD
220PF
100
R799M7
R785M7
C803M7
Q767M7
R771M7
C819M7
Q767M7
R762M7
R809M7
R763M7
C817M7
4
3
5
1
6
2
560
390NH
47PF
1000PF
R776M7
L775M7
C773M7
C772M7
47PF
220PF
DNP
C741M7
C780M7
TX_INJ
OUT
220PF
18NH
10NH
10PF
4.3PF
C729M7
L730M7
L703M7
C701M7
C777M7
2
1
2
1
NE662M04
Q774M7
3
12
4
220PF
180
180
220PF
30
220PF
R823M7
R822M7
C824M7
C786M7
R746M7
C740M7
82
82K
22K
BC858CD
BC858CD
Q745M7
R748M7
Q745M7
R741M7
R742M7
4
3
5
1
6
2
.22UF
39
5.6K
R747M7
R744M7
C743M7
390NH
L739M7
DC_LIN_1_5V
33PF
1000PF
390NH
270
R757M7
L755M7
C753M7
C751M7
DNP
220PF
4.7PF
62PF
1PF
680
DNP
8.2
220PF
4.7PF
NE662M04
18NH
C745M7
C770M7
C768M7
L765M7
C760M7
R754M7
R761M7
C816M7
Q756M7
C813M7
DC_LIN_1_5V
3
12
4
VCO_IN
IN
3.6K
100PF
680
33
100PF
33
DNP
DNP
R731M7
R711M7
R710M7
C728M7
R728M7
C727M7
NE68519
1.8K
390NH
1000PF
L758M7
C733M7
R730M7
Q731M7
13
2
0
100PF
33PF
C738M7
C735M7
R736M7
TEST_POINT
TP737M7
1
11PF
12NH
11PF
100PF
C708M7
L709M7
C705M7
C823M7
RF_PRESCALAR
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: ......