Schematics, Boards Overlays, and Parts Lists
: Main Board Block: 700–800 MHz (84012501002)
8-67
Figure 8-38. VCO Circuit
IF
IF
IF
IF
IF3002
IF3004
IF3003
IF3001
DC_SUPER_FILTER_5V
GPO1
GPO2
GPO8
1
1
1
1
IN
IN
IN
IN
33PF
150NH
L3008
C3006
1SV279
1SV279
VR3003
VR3010
21
21
1SV279
1SV279
VR3013
VR3012
2
2
1
1
2.4PF
1.8PF
20K
3.3PF
20K
3.3PF
C3022
C3023
R3036
R3030
C3015
C3014
DC_SUPER_FILTER_5V
2.7PF
3PF
18
NE856
R3032
C3026
C3027
Q3038
1
2
3
SDRF1025S02F08PA
1.025GHZ
15NH
Y3020
L3001
2
1
G
S
D
110
150NH
MGSF1N02LT1G
33PF
R3040
C3042
L3041
Q3033
2
1
3
120NH
33PF
.1UF
51K
C3008
L3016
R3018
C3012
GPO1
0
IF
TEST_POINT
TP3001
R3002
IF3005
VCO_VCTRL
1
1
IN
1SV279
1SV279
150NH
33PF
L3009
VR3004
VR3011
C3007
21
21
2.7PF
1SV279
3PF
2.2PF
1SV279
20K
1.1PF
20K
VR3015
VR3014
R3037
R3031
C3024
C3025
C3016
C3017
DC_SUPER_FILTER_5V
2
1
2
1
SDRF1025S02F08PA
1.025GHZ
3.3PF
3.9PF
15NH
18
L3002
R3034
C3028
C3029
Y3021
1
2
NE68519
Q3039
13
2
G
S
D
150NH
150
33PF
MGSF1N02LT1G
L3044
R3043
C3045
Q3035
2
1
3
120NH
33PF
.1UF
51K
C3005
L3010
R3019
C3013
GPO2
1SV279
150NH
1SV279
33PF
VR3017
VR3048
L3047
C3046
21
21
20K
NE68519
20K
Q3062
R3061
R3058
DC_SUPER_FILTER_5V
13
2
2.2PF
1SV279
1SV279
2.4PF
2.2PF
1.5PF
C3050
VR3020
VR3021
C3055
C3051
C3054
2
2
1
1
G
S
D
1.2PF
33PF
150NH
160
MGSF1N02LT1G
18
C3056
R3063
L3064
C3065
Q3060
R3059
2
1
3
1.8PF
1.11GHZ
RESONATOR
15NH
L3003
Y3053
C3057
1
2
33PF
51K
120NH
.1UF
C3018
L3019
R3052
C3049
GPO8
33PF
0.1UF
33
C3068
C3067
R3066
DC_SUPER_FILTER_5V
9PF
IF
IF3070
C3069
VCO_OUT
1
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: ......