Schematics, Boards Overlays, and Parts Lists
: Main Board Block: 700–800 MHz (84012501002)
8-69
Figure 8-40. Receiver Back End Mixer
DC_LIN_5V
IN
.033UF
39PF
.033UF
220NH
33
R500
L500
C502
C500
C501
P1
S3
S1
NC
S2
P2
059248278
6PF
C504
T506
4
2
3
6
1
5
BDIV
IFP
BBP
NC1
NC3
BVDD
RFP
RFN
GND1
GND
LOIN
IFN
NC2
SC2072BP
U507
5
4
7
6
3
10
9
8
13
11
1
2
12
.033UF
.033UF
39PF
4.7UF
C512
C511
C510
C509
P1
P2
S1
S2
S3
NC
GND1
OUT
GND3
GND2
GND4
IN
39PF
109638038
TS3A9E01S
270NH
62PF
0
100NH
2PF
DNP
0
3.6PF
22NH
DNP
R526
FL502
C515
C514
L504
R512
L503
C533
L513
C532
T507
4
1
6
5
3
2
3
2
4
1
6
5
TL_RX_IF_OUT
OUT
TL_RX_MIX_IN
IN
3.3PF
18NH
33PF
DNP
33PF
33PF
DNP
6.8NH
47PF
DNP
0
C552
L551
C516
R525
C551
C505
L550
C550
TL_RX_LO
2
1
IN
30
39PF
4.7UF
.033UF
C508
C507
C506
R502
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: ......