Motorola GP Series Detailed Service Manual page 173

UHF PCB 8480587Z03 Schematics
-59.5dBm@45.1MHz
-62dBm@45.1MHz
FL301
XTAL
C323
L311
150pF
750nH
6
IF IN OUT
C324
20pF
L331
2.20uH
Vdd_FILTERED
(SOURCE)
C344
0.1uF
C329
0.1uF
C342
1uF
C341
1uF
C340
1uF
C339
1uF
C356
Vdd_FILTERED
.022uF
C337
L314
100pF
2.2uH
C336
0.1uF R5
R314
3K
C326 R313
.01uF 330
C327
2.683V
R311
100pF
30K
R312
C325
R351 2.4K
.01uF Q302
0
3
R352
3.3K
R315
12K
0.706V
R343
10
Vdda
C382
10uF
C347 C346
C348
0.1uF
0.1uF 0.1uF
C343
0.22uF
C357
0.22uF
C358
1200pF
37
C4P C359
38
0.1uF
MLPD_CR
C3P
24
39
C2P BRP_OFF
23
40
C1P BROWN_VCC
22
41
GREEN_VCC FREF
21
42
MIX_BYP GND
20
43
U301
GREEN_VSS CEX
19
44 32D83
BLUE_VSS CLK
18
45
DATA
BLUE_VCC
17
46
MIX_IN TESTA
16
47
PREAMP_OUT IOUT
15
48
PRE_AGC GOLD_VSS
14
COL
13
C355
0.33uF
C338
15pF
C328
0.1uF
RSSI
DA
C360
.022uF
C330
10pF
C361
.01uF
L330
680nH
CRYSTAL FILTER SHEILD
DEMOD
R350
C345
100K
0.1uF
C390
100pF
DB
R344
12K
C383
100pF
3.185V
Q320
BFQ67W
C352
Vdd_FILTERED
12pF
C349
.022uF
C351
20pF
C334
16.8MHz
.022uF
C350
330pF
LVZIF_SEL
CLK
DATA
SH322
SH323 SH321
SHIELD SHIELD SHIELD
1 1 1
LVZIF TOP SHIELD LVZIF BTM SHEILD
UHF (403-470 MHz) Receiver Back End
3-29
R345
R355
10K
0
2.628V
C384
3
56pF
1
2
C353
2.095V
43pF
R346
56K
C385 L332
100nH
56pF
C354
R324
47pF
2K
L325
2.20uH
R320
CR310
1K
C364 R322
C362 R321
.01uF
.022uF 2.4K 200K
C363
2.2uF
M301
ZMY0130014-D