Schematics, Boards Overlays, and Parts Lists
: Main Board Block: VHF (84012512001_A)
8-127
Figure 8-72. Transmitter VCO Circuit
GPO1
GPO2
DC_SUPER_FILTER_5V
IN
IN
IN
0
100PF
R3202M22
C3201M22
GPO2
DC_SUPER_FILTER_5V
4.7K
47K
47K
10K
UMC5NT2
Q3272M22
3
1
4
5
2
680NH
100PF
9.1K
0.1UF
150
R3260M22
C3264M22
C3266M22
L3269M22
R3273M22
680NH
9.1K
100PF
0.1UF
C3253M22
C3255M22
R3257M22
L3261M22
33PF
9.1PF
TEST_POINT
0
1000PF
1SV282
47NH
24PF
IF
1SV282
1SV282
1SV282
33NH
68PF
680NH
56PF
9.1PF
TP3200M22
R3208M22
IF3243M22
C3244M22
L3245M22
D3247M22
D3249M22
D3246M22
D3248M22
L3250M22
C3252M22
C3251M22
C3254M22
L3256M22
C3258M22
C3262M22
C3265M22
VCTRL
1
1
IN
220
130
NE68519
220
33PF
330PF
150
680NH
R3205M22
C3208M22
R3207M22
R3206M22
R3271M22
L3270M22
Q3267M22
C3275M22
VCO_TX
13
2
22PF
C3263M22
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: ......