8-124
Schematics, Boards Overlays, and Parts Lists
: Main Board Block: VHF (84012512001_A)
Figure 8-69. Receiver Back End Mixer
DC_LIN_5V
IN
.033UF
220NH
.033UF
33
330PF
R500M21
L500M21
C502M21
C500M21
C501M21
P1
S3
S1
NC
S2
P2
100PF
059248278
C504M21
T506M21
5
4
10
4
2
3
6
1
5
TL_RX_MIX_IN
IN
330PF
DNP
33PF
100NH
33PF
DNP
2.2PF
47NH
220PF
0
L501M21
C516M21
R525M21
C551M21
L550M21
C550M21
C505M21
C503M21
TL_RX_LO
IN
30
4.7UF
.033UF
330PF
C508M21
C507M21
C506M21
R502M21
BDIV
IFP
BBP
NC1
NC3
BVDD
RFP
RFN
GND1
GND
LOIN
IFN
NC2
SC2072BP
U507M21
7
6
3
9
8
1
2
12
13
11
4.7UF
330PF
.033UF
.033UF
C512M21
C511M21
C510M21
C509M21
P1
P2
S1
S2
S3
NC
109638038
T507M21
3
2
4
1
6
5
GND1
OUT
GND3
GND2
GND4
IN
3.6PF
DNP
22NH
TS3A9E01S
39PF
270NH
DNP
100NH
0
2PF
0
62PF
R526M21
FL502M21
C515M21
C514M21
L504M21
R512M21
L503M21
C533M21
L513M21
C532M21
4
1
6
5
3
2
MIXER WITH MACKINAW BALUN AT RF AND IF PORT
TL_RX_IF_OUT
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: ......