Motorola HT Series Detailed Service Manual page 51

Circuit Board/Schematic Diagrams and Parts List
FL301
22M11
44.85MHz
L311
560nH
3 IN
IF
2 CC1
C324
20pF 5 CC2
C325
1
9.1pF
FMR-2045A-2
BW_SEL
R314
1.6K
R5
C326 R313
0.1uF 330
R312
4.7K
C327
R311
33K 0.1uF
L330
680nH
OUT 6
Q302
C338
R315
NU
12K
4
SH322
IFIC SHIELD
1
Figure 5-5. UHF Band 2 Receiver Back End Schematic Diagram
U302-1
TC7W04F
1 7
C352
0.1uF
5V
R355
100K
U302-2
TC7W04F
6 2
C362 CR312
2
0.1uF
3
1
R350 R358
10K 1K
C357
0.1uF
FL302
CFUCJ455E
1 OUT 2
IN
3
R344
51
5V
C348 C382 C344
0.1uF 10uF 0.1uF
C360
3.3pF
C361 C366
L332 R359
0.1uF NU
1.2uH NU
CR311
C355
0.1uF
C385
R346
24pF
15K
Y300
R322
1K 45J84
44.395MHz
SH323
Xtal Filter SHIELD 1
IN
C364
R320
24pF
NU
1
2
L325
1uH
5V
R345 R360
39K 20K
FL303
U302-4
CFWC455E 8
PWR_GND
1 OUT 2
IN VCC
GND
4
4
3
R321 R324 CR313
FL304
120K 1
12K
CFWC455G
3
1 IN OUT 2 2
R361
20K
3 4
C329
0.1uF
C345 C343
C347 C346
5V
0.1uF 0.1uF
0.1uF 0.1uF
R363
390
Q320
U301
SA616
C351
R364
VCC GND
120pF
6 15 1.8K
R365
1.2K
1 2
Y301
C349
3
45B02
0.1uF
455KHz
R366
12K
C367
30pF
R368
R369
DISC_OUT
10K
680
C334
R367
4700pF
OUT 3
12K
4
51
U302-3
TC7W04F
3 5
NC
RSSI
C350
0.1uF
DISC_OUT
December 26, 2003