8-103
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1 (84012620001)
Figure 8-42. Transmitter VCO Circuit
GPO2
DC_SUPER_FILTER_5V
GPO1
IN
IN
IN
GPO2
DC_SUPER_FILTER_5V
Q3161M22
3
1
4
5
2
10K
47K
47K
4.7K
C3144M22
C3142M22
C3157M22
R3158M22
R3146M22
R3149M22
C3155M22
L3158M22
L3150M22
C3103M22
C3141M22
C3140M22
C3147M22
D3137M22
D3138M22
D3135M22
L3134M22
D3136M22
C3133M22
IF3105M22
L3139M22
VCTRL
1
2
1
21
2
1
21
IN
C3151M22
C3106M22
R3160M22
C3152M22
L3145M22
C3143M22
L3159M22
C3154M22
C3112M22
R3108M22
C3160M22
VCO_TX
R3109M22
R3107M22
Q3156M22
13
2
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......