Motorola GP series Service Manual

UHF PCB 8480587Z03 Schematics 4-25
UHF (403-470 MHz) Receiver Back End
L311
750nH
C323
150pF
XTAL
FL301
20pF
C324
2
GND2
4
GND3
5
OUT
3
IN
6
GND
1
GND1
12K
R315
2.4K
R312
C327
100pF
Q302
.01uF
C325
R351
0
30K
R311
3.3K
R352
C337
100pF
L314
2.2uH
Vdd_FILTERED
R5
R314
330
R313
680nH
L330
0.1uF
C336
3K
15pF
0.1uF
C328
C338
DA
RSSI
.01uF
C326
10pF
C330
C340
1uF
C339
1uF
.022uF
C356
0.33uF
C355
C360
.022uF
C361
.01uF
42
46
47
48
41
43
37
40
39
38
45
44
32 25 30 29 31 26 36 28 27 33 34 35
16
15
24
21
20
14
19
18
13
17
22
23
8 9 3 1 2 5 4
11
6
10
7
12
U301
32D83
MIX_BYP
MIX_IN
PREAMP_OUT
PRE_AGC
GREEN_VCC
GREEN_VSS
C4P
C1P
C2P
C3P
BLUE_VCC
BLUE_VSS
TESTD VPP PRE_IN RED_VCC RED_VSS RSSI_FLT RSSI_OUT EMIT EXTBS GOLD_VCC AFC BASE
VAG
VAG_REF
ROSE_VCC
ROSE_VSS
LIM
PHASE_LOCK
C4M
DEMOD_HF
DEMOD_OUT
C1M C2M C3M
TESTA
IOUT
MLPD_CR
FREF
GND
GOLD_VSS
CEX
CLK
COL
DATA
BROWN_VCC
BRP_OFF
C357
0.22uF
1200pF
C358
0.1uF
C359
16.8MHz
CLK
DATA
LVZIF_SEL
.022uF
C334
C343
0.22uF
R344
12K
C342
1uF
1uF
C341
Vdd_FILTERED
R343
10
C382
10uF
2.20uH
L331
0.1uF
C344
C348
0.1uF
0.1uF
C329
0.1uF
C347
Vdda
(SOURCE)
0.1uF
C345C346
0.1uF
DEMOD
C390
100pF
100K
R350
DB
C383
100pF
Vdd_FILTERED
C349
.022uF
C350
330pF
2K
R324
BFQ67W
Q320
1
3
2
43pF
C353
R355
0
1K
R320
C352
12pF
C354
47pF
C351
20pF
10K
R345
C384
56pF
L332
100nH
R346
56K
L325
2.20uH
CR310
.01uF
C364
R322
200K
C362
.022uF
2.4K
R321
C363
2.2uF
56pF
C385
M301
1
SH322
SHIELD
SH321
SHIELD
SH323
SHIELD
11
CRYSTAL FILTER SHEILD
LVZIF TOP SHIELD LVZIF BTM SHEILD
IF
-59.5dBm@45.1MHz
-62dBm@45.1MHz
0.706V
2.683V
3.185V
2.095V
2.628V
ZMY0130014-D
ZMY0130014-D

Motorola GP series Specifications

General

Operating Temperature	-30°C to +60°C
Frequency Range	136-174 MHz
Number of Channels	16
Channel Spacing	12.5 kHz / 25 kHz
Battery Life	8 hours (with standard battery)
Operating Voltage	7.5V DC
Ingress Protection	IP54
MIL-STD	810 C, D, E, F