Motorola GP350 Spécifications

GP350 Portable Radios 146-174 MHz438-470 MHz6880904Z07-O

August, 1996 6880904Z07-O vii GP350 Portable Radios Service Manual Foreword Model Charts Item Description XX HHN9126_ Housing X HLE9480_ RF Board, 2

viii 6880904Z07-O August, 1996 Foreword GP350 Portable Radios Service Manual Model Charts Item Description X HLE9487_ RF Board, 12.5 kHz, (465-495 MH

August, 1996 6880904Z07-O ix GP350 Portable Radios Service Manual Foreword Accessories Accessories Antennas: NAD6502_R — Black 146-174 MHz VHF Antenn

x 6880904Z07-O August, 1996 Foreword GP350 Portable Radios Service ManualAccessories Nickel-Cadmium Battery Chargers: HTN9630 120 Volt - 1 Hour Rapid

August, 1996 6880904Z07-O xi GP350 Portable Radios Service Manual Foreword Performance Specifications Performance Specifications GENERALTRANSMITTER *

xii 6880904Z07-O August, 1996 Foreword GP350 Portable Radios Service ManualService Aids Service Aids The following table lists service aids recommend

August, 1996 6880904Z07-O xiii GP350 Portable Radios Service Manual Foreword Radio Model Information Test Set Service Cable Radio Model Information T

xiv 6880904Z07-O August, 1996Foreword GP350 Portable Radios Service ManualRadio Service Software InformationRadio Service Software InformationTo run t

August, 1996 6880904Z07-O 1-1 Section 1Safety Information General This manual includes specifications, fundamental disassem-bly/reassembly procedures,

1-2 6880904Z07-O August, 1996 Safety Information GP350 Portable Radios Service ManualFCC Safety Information This page has been intentionally left bla

MotorolaRadius DivisionHwy 34 WestMt. Pleasant, IA 52641 6880904Z07-O

August, 1996 6880904Z07-O 2-1 Section 2Intrinsically Safe Radio Information FMRC Approved Equipment Anyone intending to use a radio in a location whe

2-2 6880904Z07-O August, 1996 Intrinsically Safe Radio Information GP350 Portable Radios Service ManualRepair of FMRC Approved Products Repair A repa

August, 1996 6880904Z07-O 3-1 Remove Battery 1. Locate the battery latch on the bottom of the radio.Push the battery latch toward the front of the ra

3-2 6880904Z07-O August, 1996 Disassembly/Reassembly GP350 Portable Radio Service ManualRemove the Main Board 5. Pull the chassis out and away from t

August, 1996 6880904Z07-O 4-1Section 4Theory of OperationOverviewThis section provides a detailed theory of operation for theGP350 and its components:

4-2 6880904Z07-O August, 1996Theory of Operation GP350 Portable Radios Service ManualTransmitterThe insertion loss of this filter is approximately 1.9

August, 1996 6880904Z07-O 4-3GP350 Portable Radios Service Manual Theory of Operation Frequency Generation Circuitry

4-4 6880904Z07-O August, 1996Theory of Operation GP350 Portable Radios Service ManualFrequency Generation CircuitryWhen a “high” impedance is applied

August, 1996 6880904Z07-O 4-5GP350 Portable Radios Service Manual Theory of Operation Frequency Generation Circuitry

4-6 6880904Z07-O August, 1996Theory of Operation GP350 Portable Radios Service ManualFrequency Generation Circuitry15k-ohm impedance. P1-7 is always u

Computer Software Copyrights The Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconducto

August, 1996 6880904Z07-O 4-7INSERT PAGE SIZE AND RADIO BLOCK DIAGRAM FROMMANUAL 6880902Z30-D, PAGE 2-7GP350 Portable RadioFunctional Block Diagram

4-8 6880904Z07-O August, 1996Receiver, Transmitter, VCO, Synthesizer, and AFIC Block DiagramsINSERT PAGE SIZE, RECEIVER BLOCK DIAGRAM, TRANSMITTER BLO

August, 1996 6880904Z07-O 5-1Section 5TroubleshootingOverviewThis section contains three troubleshooting tables for the following GP350 components:• R

5-2 6880904Z07-O August, 1996Troubleshooting Flow Chartfor ReceiverINSERT LINE ART FROM MANUAL6880902Z30-D, PAGE 4-3

August, 1996 6880904Z07-O 5-3Troubleshooting Flow Chartfor TransmitterINSERT LINE ART FROM MANUAL6880902Z30-D, PAGE 4-4

5-4 6880904Z07-O August, 1996Troubleshooting Flow Chartfor SynthesizerINSERT LINE ART FROM MANUAL6880902Z30-D, PAGE 4-5

August, 1996 6880904Z07-O 5-5Troubleshooting Flow Chartfor MicroprocessorINSERT LINE ART FROM MANUAL6880902Z30-D, PAGE 4-6

5-6 6880904Z07-O August, 1996Troubleshooting Flow Chartfor VCOINSERT LINE ART FROM MANUAL6880902Z30-D, PAGE 4-7

August 13, 1996 6880904Z07-O 6-1 Section 616Section 7Component Location Diagrams,Schematic Diagrams, and Parts Lists forBattery Filter Board and Flex

6-2 6880904Z07-O August 13, 1996MAEPF-25481-OMAEPF-25482-O Component Location Diagram for HLD9440A and HLD9441A VHF, 146-174MHz, Transceiver and Cont

6880904Z07-O iTable of ContentsScope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

August 13, 1996 6880904Z07-O 6-3 Schematic Diagram for HLD9440A and HLD9441AVHF, 146-174MHz, Transceiver Section

6-4 6880904Z07-O August 13, 1996MAEPF-25484-O Component Location Diagram for HLE9480A and HLE9481AUHF, 438-470MHz, Transceiver SectionMAEPF-25483-O

August 13, 1996 6880904Z07-O 6-5 Schematic Diagram for HLE9480A and HLE9481AUHF, 438-470MHz, Transceiver Section

6-6 6880904Z07-O August 13, 1996 Schematic Diagram for Controller Section

August 13, 1996 6880904Z07-O 6-7 Parts List: Controller Components (for all bandsplits) Controller Components (for all bandsplits) Controller Compon

6-8 6880904Z07-O August 13, 1996 Parts List: HLD9440A and HLD9441A, 146-174MHz VHF Transceiver HLD9440A and HLD9441A, 146-174MHz VHF Transceiver Boa

August 13, 1996 6880904Z07-O 6-9 Parts List: HLE9480A and HLE9481A, 438-470MHz UHF Transceiver REFERENCESYMBOLMOTOROLA PART NO.DESCRIPTION CAPACITOR,

6-10 6880904Z07-O August 13, 19963938Parts List: GP350 Basic MechanicalREFERENCESYMBOLMOTOROLAPART NO.DESCRIPTION1HLN8255CLIP, Spring Belt2HNN9360BAT

August 13, 1996 6880904Z07-O 6-11 INSERT PAGE SIZE, ARTWORK, AND TEXT FROM MANUAL:6880902Z30-D, PAGE 51 HLN9960A DTMF Circuit Board Detail

6-12 6880904Z07-O August 13, 1996 INSERT PAGE SIZE, ARTWORK, AND TEXT FROM MANUAL:6880902Z30-D, PAGE 52 HLN9960A DTMF Schematic Diagramand Parts List

ii 6880904Z07-O August, 1996GP350 Portable Radios Service ManualSection 4 Theory of OperationOverview . . . . . . . . . . . . . . . . . . . . . . . .

August 13, 1996 6880904Z07-O 6-13 GP300 / GP350 / P110 Chargers & Power SuppliesBattery Charger Rate/Voltage Power Supply HTN9630 1 Hour / 120 V

6-14 6880904Z07-O August 13, 1996 INSERT PAGE SIZE, ARTWORK, AND TEXT FROM MANUAL:6880902Z30-D, PAGE 54 Battery ChargersSingle and Multi-Unit Rapid R

August 13, 1996 6880904Z07-O 6-15 INSERT PAGE SIZE, ARTWORK, AND TEXT FROM MANUAL:6880902Z30-D, PAGE 55 Battery ChargersStandard Rate (10 Hour)

6-16 6880904Z07-O August 13, 1996 INSERT PAGE SIZE, ARTWORK, AND TEXT FROM MANUAL:6880902Z30-D, PAGE 56 Battery ChargersStandard Rate (10 Hour)

August, 1996 6880904Z07-O 6-17 Parts List: HMN9041A Remote Speaker/Microphone ‡Provided by remote speaker microphone vendor REFERENCESYMBOLMOTOROLAPA

6-18 6880904Z07-O August, 1996 12 34 5689 1110 7121314 15 16 1718 19 202122Parts List: HMN9041A Remote Speaker/MicrophoneREFERENCE SYMBOLMOTOROLAPAR

August, 1996 6880904Z07-O iiiGP350 Portable Radios Service Manual Section 6 Component Location Diagrams, Schematic Diagrams, Exploded Views, and Part

iv 6880904Z07-O August, 1996GP350 Portable Radios Service Manual

August, 1996 6880904Z07-O v GP350 Portable Radios Service Manual Foreword Scope of Manual Scope of Manual This manual is intended for use by experien

vi 6880904Z07-O August, 1996 Foreword GP350 Portable Radios Service Manual Model Charts Model ChartsItem Description X X HHN9126_ HousingX HLD9440_ R