Motorola GP series Service Manual

UHF PCB 8480587Z05 Parts List 4-39
* 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.
U210 5102463J61 Inverter
U211 5102463J61 Inverter
U241 5105750U54 VCO Buffer IC
U247 5105739X05 5V Regulator
U248 5102463J58 3.3V Regulator
U301 5109632D83 LVZI F IC
U400 5102463J40 3.3V Regulator
U404 5185130C53 ASFIC_CMP IC
U405 5102463J36 Static RAM 32K X 8
* U406 5102463J60 Flash ROM 512K X 8
* U407 5102495J05 EEPROM 16K X 8
U409 5102226J56 Micro Processor
U410 5102463J57 3.3V Regulator
U420 5102463J44 Audio PA
U601 NOTPLACED
U700 5185770M01 IC Voice Storage
U710 5102463J52 QUAD ANALOG SWITCH IC
U720 5113818A01 SING Supply IC
VR300 NOTPLACED
VR432 4805656W08 Zener Diode
VR433 4805656W08 Zener Diode
VR434 4802245J73 Zener Diode 6.8V
VR439 4880140L17 Zener Diode
VR440 4802245J73 Zener Diode 6.8V
VR441 4802245J73 Zener Diode 6.8V
VR442 4802245J73 Zener Diode 6.8V
VR443 4802245J73 Zener Diode 6.8V
VR444 4802245J73 Zener Diode 6.8V
VR445 4802245J74 Zener Diode 10V
VR446 4802245J74 Zener Diode 10V
VR447 4802245J74 Zener Diode 10V
VR448 4802245J74 Zener Diode 10V
VR449 4802245J74 Zener Diode 10V
VR450 4802245J75 Zener Diode 12V
VR460 4802245J73 Zener Diode 6.8V
VR501 4813830A18 DIODE 6.8V
VR506 4802245J73 Zener Diode 6.8V
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