Motorola HT Series Detailed Service Manual page 50

50
R301 R302
100K
100K
C301
C303
8.2pF
RX_IN 4.3pF
CR301 CR302
C302 L302
L301
11.03nH
12pF 11.03nH
SH301 SH302
SHIELD SHIELD
1 1
RXFE Bottom Shield
RXFE Top Shield
SH304
SHIELD
1
RX Mixer Diod Shield
December 26, 2003
R305 C314
470 0.1uF
R304
12K
L304 C321
180nH 100pF
C309
C308
100pF
100pF
C310
100pF
R303
1.5K
C305 C307
Q301
3
100pF 100pF
1
3
CR303 2
R328
2.7
L303 R340
C304
2 1
22nH 8.2K
11pF
SH303
SHIELD
1
Mixer Shield
Figure 5-4. UHF Band 2 Receiver Front End Schematic Diagram
DACRx
R5
R342
100K
C315
100pF
C380
.01uF
C306
NU
R307
R306
100K 100K
C312
C316
L305
7.5pF 4.3pF
12nH
CR305
CR304
L307
C311 C313 L306
NU 11pF 11.03nH 11.03nH
Circuit Board/Schematic Diagrams and Parts List
C322
82pF
L310
150nH
R308
51
R309
0
T301
XFMR
6 1
2
C318
R329
12pF
0
4 3
C317 C381
T302
NU
8pF XFMR
R348 L309
3.6K 16.28nH
TP302
C320
9.1pF
R5
L321 R333 C374
100pF
NU
180nH
R339
4.3K
R332
12K
C386
100pF
3
C370
4.7pF 1 Q310
RX_INJ
2
R330 C371 R331 C372
100pF
10K NU 240
R310
NU
IF
CR306
4 3
2 1
C375
C319
4.3pF 100pF
VCOBUF
R349
0
C373 C378
NU
NU
FMR-2045A-2