Motorola GP series Service Information

4-54 VHF PCB 8486062B17
* Motorola Depot Servicing only
Reference designators with an asterisk indicate
components which are not field replaceable
because they need to be calibrated with
specialized factory equipment after installation.
Radios in which these parts have been replaced in
the field will be off frequency at temperature
extremes.
U404 5185963A53 ASFIC_CMP
U405 5102463J36 Static_RAM_32KX8
* U406 5102463J60 512K X 8 Flash Memory
* U407 5102463J64 16k X 8 EEPROM
U409 5102226J56 Microprocessor IC
U410 5102463J57 3.3V Regulator
only GP360, GP380, GP680
U420 5102463J44 Audio PA
VR3501 4880140L17 Zener diode-12V
VR432 4805656W08 5.6V Zener diode
VR433 4805656W08 5.6V Zener diode
VR434 4802245J73 ZENER DIODE-6.8V
VR439 4880140L17 Zener diode-12V
VR447 4802245J74 ZENER DIODE-10V
VR448 4802245J74 ZENER DIODE-10V
VR449 4802245J74 ZENER DIODE-10V
VR450 4802245J74 ZENER DIODE-10V
VR460 4802245J73 ZENER DIODE-6.8V
VR501 4802245J73 ZENER DIODE-6.8V
VR506 4802245J73 ZENER DIODE-6.8V
Y3200 9186153B01 Crystal Filter
Y3761 4805875Z04 16.8MHz Xtal oscillator (SMD)
5480678Z01 PCB Bar Code Label
8486062B16 VHF main PC Board
8486062B17 VHF main PC Board
Circuit
Ref
Motorola
Part No
Description

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