Motorola GP series Detailed Service Manual

UHF PCB 8480587Z03 Schematics 3-27
UHF (403-470 MHz) Controls and Switches
RTA0
RTA1
RTA2
RTA3
C514
100pF
C513
100pF
C511
100pF
C512
100pF
2
PC1
4
PC2
PC3
8
C0
C0
C1
C1
7
GND GND1
9
1
PC0
S501
SWITCH
CR503
24
13
R501
680 180
R502
4
3
2
5
1
6
IMX1
SWB+
RED_LED
Q502
Q505
R505
10K
47K
R506
C520
.01uF
PB505
SWITCH
12
VR443
6.8V
EMER
Vdda
GREEN_LED
PB503
12
SWITCH
SWITCH
1
2
PB504
C523
.01uF
VR442
6.8V
6.8V
VR444
PTT
.01uF
C522
6.8V
VR441
SB2
SB3
.01uF
C521
SWITCH
PB502
1
2
VR440
6.8V
PB501
SWITCH
1
2
6.8V
VR501
100pF
C505
Vdda
SB1
MECH_SWB+
C502
0.47uF
R507
0
1
LOW
5
3
HIGH
TAB1
6
TAB2
7
2
S502
SWITCH
4
BATT_CODE
UNSWB+
RADIO_CODE
24V
F501
21
VR439
10V
1
2
CR501
C503
100pF
6.8V
VR506
390nH
L505
DATA
2
NEG
1
POS
3
B501
BATTERY_CONTACT
BATT-
BATT+
TAB2
3
TAB3
4
TAB4
5
TAB5
J102
ANTENNA_NUT
1
TAB1
2
L116
9.75nH
C140
NU
C141
NU
1
2
3
GND
4
RF_JACK
J101
RF_JACK
M100
M101
P100
if
B503
B504
LI_ION
VOL
ZMY0130015-B

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