Motorola GP series Service Manual

4-26 UHF PCB 8480587Z03 Schematics
UHF (403-470 MHz) Synthesizer
.01uF
C258
.01uF
C259
TC7ST04FU
GND
3
2
NC
14
VCC
5
U210
C296
0.1uF
4
VCC
5
TC7ST04FU
GND
3
2
NC
1
1000pF
C229
4.7uF
C228
100pF
C230
6
A1
5
A2
4
A3
1
K1
K2
2
K3
3
CR201
C292
0.1uF
0.1uF
C298
C265
NU
U211
5V
2.2uH
L202
C219
0.22uF
100pF
C257
(SOURCE)
10uF
C291
0.1uF
C223
OUT
4
SD
3
U247
ADP3300
ERR
6
GND
1
IN
5
NR
2
2.2uH
L203
0.1uF
C224
2.2uF
C217
0.1uF
C218
C220
100pF
100pF
C294
C293
0.47uF
Vdda
2.2uH
L201
2.2uF
C235
XTAL1
XTAL2
47
VCP
13
VRO
PRE_VDD
5
PD_VDD
34 36
DVDD
20
AVDD
VMULT1
VMULT2
VMULT3
VMULT4
MODOUT
FREFOUT
23
24
15
14
12
11
19
41
21
VBPASS
35
PVREF
27
SFBASE
26
SFCAP
30
SFIN
32
PREIN
10
MODIN
40
BIAS1
39
BIAS2
9
CEX
8
CLK
7
DATA
AUX4
AUX1
AUX2
AUX3
TEST2
TEST1
U201
63A27
37
38
48
1
2
3
REFSEL
CCOMP
18
17
NC1
29
NC2
31
NC3
42
44
PD_GND
33
PRE_GND DGND
6
22
AGND
25
WARP
28
SFOUT
45
IADAPT
16
INDMULT
43
IOUT
4
LOCK
46
ADAPTSW
DATA
CSX
MODIN
CLK
C212
100pF
100pF
C211
100pF
C210
100pF
C214
PRESC
100pF
C264
L261
39nH
C263
0.75pF
C260
100pF
TP201
1
C213
100pF
82K
R201
100K
R202
2.2uF
C204
AUX3
AUX4
VSF
C202
1000pF
100pF
C201
4.7uF
C203
LOCK
R204
47K
C207
56pF
C208
1.6pF
CR203
GND
3
IN
1
OUT
2
45J49
FL201
C206
330pF
NU
R281
SH202
SHIELD
SH201
SHIELD
11
SYNTHESIZER TOP SHIELD
SYNTHESIZER BOTTOM SHIELD
C233
0.1uF
R256
30
R231
120
C234
0.47uF
.047uF
C232
TP202
1
VCTRL
R233
560
620
R232
0.1uF
C231
12uH
L232
470pF
C238
16.8MHz
R5
Q210
2
4
1
3
R255
4.3K
5V
47K
4.7K
10K
47K
2.2uF
C279
MODOUT
SWB+
LP2980
U248
2
GND
4
NC
ON_OFF*
31
VIN
5
VOUT
C277
100pF
C278
2.2uF
4V_3.3V
5V
4.568V
5V
2.51V
7.697V
3.294V
3.503V
ZMY0130017-D
ZMY0130017-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