Motorola GP series Detailed Service Manual

3-2 UHF PCB/SCHEMATICS/PARTS LISTS
Table 3-2 UHF GP1280 Diagrams and Parts Lists
PCB : 8480587Z01
Main Board Top Side
Main Board Bottom Side
Page 3-21
Page 3-22
SCHEMATICS
Controls and Switches
Receiver Front End
Receiver Back End
Synthesizer
Voltage Controlled Oscillator
Transmitter
Voice Storage Circuits
Page 3-9
Page 3-10
Page 3-11
Page 3-12
Page 3-13
Page 3-14
Page 3-23
Parts List
UHF Circuit Components
Voice Storage Circuit Components
Page 3-15
Page 3-24
Table 3-3 UHF GP1280 Diagrams and Parts Lists
PCB : 8480587Z03
Main Board Top Side
Main Board Bottom Side
Page 3-25
Page 3-26
SCHEMATICS
Controls and Switches
Receiver Front End
Receiver Back End
Synthesizer
Voltage Controlled Oscillator
Transmitter
Harmonic Filter
Voice Storage Circuits
Page 3-27
Page 3-28
Page 3-29
Page 3-30
Page 3-31
Page 3-32
Page 3-33
Page 3-23
Parts List
UHF Circuit Components
Voice Storage Circuit Components
Page 3-35
Page 3-24

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