Motorola GP series Detailed Service Manual

3-132 UHF PCB 8415234H08 Schematics
NC
VCC
5
14
U210
TC7ST04FU
GND
3
C258
.01uF
.01uF
C259
2
C228
4.7uF
C229
1000pF
100pF
C230
5
4
1
K1
K2
2
K3
3
CR201
6
A1
A2
A3
0.1uF
C298
C292
0.1uF
DATA
CSX
MODIN
CLK
C212
100pF
C214
100pF
100pF
C210
100pF
C264
L261
39nH
C263
0.75pF
PRESC
VSF
C201
100pF
1000pF
C202
4.7uF
C203
C204
2.2uF
R202
100K
R201
82K
100pF
C211
21
35
18
27
26
30
17
29
31
32
10
40
39
42
9
8
7
VBPASS
PVREF
REFSEL
SFBASE
SFCAP
SFIN
NC1
NC2
NC3
PREIN
MODIN
BIAS1
BIAS2
CCOMP
CEX
CLK
DATA
XTAL1
XTAL2
VMULT1
VMULT2
VMULT3
VMULT4
WARP
SFOUT
TEST1
TEST2
FREFOUT
IADAPT
INDMULT
IOUT
LOCK
MODOUT
ADAPTSW
AUX1
AUX2
AUX3
AUX4
U201
63A27
23
24
15
14
12
11
25
28
37
38
19
45
16
43
4
46
48
1
2
3
1
TP201
C260
100pF
BW_SEL
5V
AUX3
AUX4
R204
47K
C213
100pF
LOCK
4.3K
R255
30
R256
16.8MHz
4
1
3
Q210
47K
47K
10K
4.7K
2
R5
MODOUT
.047uF
C232
C234
0.47uF
TP202
1
120
R231
C220
100pF
C279
2.2uF
C233
0.1uF
470pF
C238
12uH
L232
0.1uF
C231
R233
560
620
R232
VCTRL
1
SH201
SHIELD
SYNTHESIZER TOP SHIELD
SH202
SHIELD
if
1
C208
NU
C206
330pF
C207
39pF
6
IN
16.8MHzFL201
1 4
3
OUT
CR203
R281
NU
75Z04
GND
GND1
0.1uF
C296
U211
TC7ST04FU
GND
3
2
NC
14
VCC
5
100pF
C257
C265
NU
2.2uH
L202
5V
(SOURCE)
10uF
C291
0.1uF
C223
0.22uF
C219
2.2uF
C235
L201
2.2uH
2.2uH
L203
1
IN
5
NR
2
OUT
4
SD
3
U247
ADP3300
ERR
6
GND
C294
100pF
C293
0.47uF
LP2980
U248
SWB+
2
31
GND
Vdda
4
5
NC
ON_OFF*
VIN
VOUT
100pF
C277
C278
2.2uF
4V_3.3V
SYNTHESIZER BOTTOM SHIELD
44 33
6
22
PD_GND
PRE_GND
DGND
AGND
47 13
5
34 36
20
VCP
VRO
PD_VDD
PRE_VDD
DVDD AVDD
41
0.1uF
C224
0.1uF
C218
2.2uF
C217
UHF (403-470 MHz) Synthesizer Schematic Diagram

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