Figure 9-150.Uhf Band 2 Receiver Back End Schematic Diagram - Motorola HT Series Detailed Service Manual

9-244
FL301
22M11
44.85MHz
L311
560nH
3 IN 6
OUT
IF
C324 2 CC1
22pF
5 CC2 C338
NU
C325 1 4
9.1pF
Figure 9-150. UHF Band 2 Receiver Back End Schematic Diagram (PCB No. 8415235H05)
5V
R355
100K
BW_SEL
R314
1.6K
R5
C326 R313
0.1uF 330
C360
R312
3.3pF
4.7K
C327 C361
R311
0.1uF 0.1uF
33K
L330
680nH
Q302
CR311
R315
12K
SH322 SH323
SHIELD SHIELD
1 1
U302-1
TC7W04F
1 7
C352
R345
0.1uF
39K
U302-2
TC7W04F
6 2
CR312
C362 R321
0.1uF 2
39K
3
1
R350 R358
3.3K 2.4K
C357
0.1uF
FL302
CFUCJ455F
C347
1 IN OUT 2 0.1uF
C392
C604
24pF 24pF
3
R344
51
5V
VCC
6
C348 C382 C344
0.1uF 10uF 0.1uF
C366 L332
R359
NU
1.2uH NU
C355
0.1uF
C385
R346
27pF 15K
R322 Y300
1K 45J84
44.395MHz
1 3
IN OUT
R320 C364
NU 24pF
2 4
L325
1uH
UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (PCB 8415235H01, 8415235H05)
5V
R360
20K
U302-4
FL303
PWR_GND
CFWC455E 8
1 OUT 2 VCC
IN
3
GND
C603 C387
24pF 24pF 4
3 4
R324
CR313
20K
FL304
1
CFWC455G
3
1 IN OUT 2 2
C388 C389
24pF 24pF
R361
20K
3 4
C329
0.1uF
C346 C345 C343
5V
0.1uF 0.1uF 0.1uF
R363
390
Q320
U301
SA616
C351
R364
GND
120pF
15 1.8K
R365
1.2K
1 2
Y301
C349
3
45B02 0.1uF
455KHz
R366
12K
C367
30pF
R368
R369
10K
680 DISC_OUT
R367 C334
12K 4700pF
U302-3
TC7W04F
5
NC
RSSI
C350
0.1uF
DISC_OUT