Uhf Receiver Back-End Schematic Diagram - Motorola HT Series Detailed Service Manual

Circuit Board/Schematic Diagrams and Parts List
L311
560nH
3 IN
IF G
2 CC1
5 CC2
C324
22pF
C325
9.1pF
FMR-2045A-2
R314
R5
1.6K
G
C326
0.1uF
FL301 R311
MXF45 33K
C327
44.85MHz
0.1uF
L330
L331
680nH 680nH
OUT 6
C338
R315
NU
12K
1 4
Figure 2-5. UHF Receiver Back-End Schematic Diagram
1 7
U302-1
TC7W04F
C352
0.1uF
5V
$P
R355
100K
6 2
BW_SEL G
U302-2
CR312
TC7W04F
C362
2
0.1uF
3
1
R350
R358
3.3K
2.4K
C357
0.1uF
FL302
CFUCJ455E
1 IN OUT 2
C347
0.1uF
3
5V
R344
R313
51
330
C348 C382
10uF
0.1uF
C344
0.1uF
R312
C360
4.7K
3.3pF
L332 R359
NU
1.2uH
C361
0.1uF C366
NU
Q302
C355
0.1uF
CR311 R346
C385
15K
30pF
R322
1K
1
R320
C364
NU
24pF
L325
1uH
SH323
SHIELD
1
CRYSTAL FILTER SHEILD
5V
R345 R360
39K
20K 8
FL303
CFWC455E
VCC
1 IN OUT
2
GND
4
3 4
R321
R324
39K 20K 1
FL304
CFWC455G 3
1 IN OUT 2 2
R361
CR313
20K
4
3
5V
C329
0.1uF
R363
390
C343
0.1uF
C345
C346
0.1uF
0.1uF
3
1
Q320
MMBT3904
2
U301
SA616
C351
120pF
R364
1.8K
VCC GND
R365
6 15
1.2K
1 2
Y301
45B02 3 C349
455KHz 0.1uF
R366
12K
C367
30pF
R368
10K
G DISC_OUT
Y300
R369 DISC_OUT
TSS-2
680
44.395MHz
C334
R367
4700pF
8.2K
3
IN OUT
SH322
SHIELD
1
IFIC SHIELD
21
3 5
NC
U302-3
TC7W04F
U302-4
PWR_GND
G RSSI
C350
0.1uF
December 26, 2003