8-40
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01)
Figure 8-12. Receiver VCO Circuit
IF
IF
IF
IF3201
IF3202
IF3200
DC_SUPER_FILTER_5V
GPO1
GPO2
1
1
1
IN
IN
IN
680NH
IF
1000PF
IF3203
C3204
L3205
VCTRL
1
IN
1SV282
1SV282
36NH
1SV282
1SV282
D3207
D3209
D3206
D3208
L3210
240
39PF
68PF
680NH
27PF
C3220
C3219
C3225
R3231
L3230
NE68519
Q3227
13
2
56PF
15PF
12PF
5PF
11.4NH
C3214
C3211
C3212
L3216
C3217
0.1UF
6.8K
150PF
C3213
C3215
R3218
150
0.1UF
9.1K
150PF
680NH
680NH
L3223
R3222
C3224
C3226
L3229
R3233
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
SKY13251
U3238
7
6
3
1
8
5
4
2
G1
NC
680
330PF
C3202
R3203
VCO_TX
680
33PF
8.2
R3204
R3201
C3235
0
100PF
R3200
C3200
DC_SUPER_FILTER_5V
GPO1
4.7K
47K
47K
UMC5NT2
Q3232
3
1
4
5
2
10K
GPO2
GPO1
100PF
IF
C3240
IF3242
VCO_OUT
1
OUT
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: ......