Nikon CM200 service manual PA Clip and Main PCB Removal for Low Power Models

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2-8

MAINTENANCE

 

 

Figure 2-8PA Shield and DC Cable Removal (for High Power Models)

6.5PA Clip and Main PCB Removal (for Low Power Models)

1.Remove the screw that attaches the PA clip to the chassis. See Figure 2-9.

2.Remove the PA clip.

3.Remove all the screws that fix the PCB to the chassis.

4.Loosen the M2 screw (about 3 to 4 turns) on the RF connector using hex tool (Part number: 6680334F39).

5.Loosening this screw, enables you to unscrew the RF connector from outside.

6.Carefully remove the main PCB in a diagonal manner.

NOTE It is recommended to grip the volume potentiometer and remove the PCB board

Main PCB

PA Clip

M2 Screw

 

 

 

Figure 2-9PA Clip and Main PCB Removal (for Low Power Models)

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Contents Commercial Series Page CM200/CM300/PM400 Radios Foreword Table of Contents Transceiver Performance Testing Glossary This page Intentionally Left Blank Safety Information Product Safety and RF Exposure ComplianceThis page is Intentionally Blank Introduction Replacement Parts Ordering Radio Model Information This page Intentionally Left Blank Chapter Preventive MaintenanceCleaning Procedures IntroductionCleaning Internal Circuit Boards and Components Safe Handling of Cmos and Ldmos DevicesDisassembling and Reassembling the Radio General Repair Procedures and Techniques GeneralParts Replacement and Substitution Rigid Circuit BoardsVolume Knob Removal Radio Disassembly DetailedControl Head Removal 3Flat Cable Removal Top Cover Removal 5Top Cover Removal Chassis HorizontalMain Shield Removal PA Shield and DC Cable RemovalPA Clip and Main PCB Removal for Low Power Models 8PA Shield and DC Cable Removal for High Power ModelsMain PCB Removal for High Power Models 10PA Clip and Main PCB Removal for High Power ModelsDisassembly of Control Head CM200 PCBDisassembly of Control Heads CM300/PM400 12Control Head Housing Removal CM300/PM400Chassis Assembly for Low Power Models Radio AssemblyChassis Assembly for High Power Models Control Heads Assembly Control Head FittingOption Board Installation Radio Assembly 1-25 W Models Radio Exploded Mechanical Views and Parts ListsItem No Description Part Number Radio Assembly 25-40 W/25-45 W Models Control Head CM200 Item no DescriptionControl Head CM300/PM400 Service Aids Motorola Part Description ApplicationTest Equipment Programming/Test Cable RKN4083 FLO830308-020Pin Configuration of FKN8113 Adapter Cable FKN8113General SetupService Monitor Test Set Power Supply Table Number TitleHSS RF Test ModeTo enter test mode display radios CMPTest Mode Test Name Communications Analyzer Radio Test Set CommentTPL DtmfPL/DPL DPLSinad This page Intentionally Left Blank Description Kit Number CPS Programming/Flashing Setup with RIBCPS CPS Programming/Flashing Setup Ribless CPS Programming Setup with RIB with Telco ConnectorCPS Programming Setup with RIB Accessory Connector CPS Programming Setup with RIBInitial Test Equipment Control Settings Radio Tuning SetupService Monitor Test Set Power Supply Power UP SELF-TEST Error CodesPower UP SELF-TEST VHF AccessoriesAntennas UHFAlarms and Accessories AudioCables Control StationPublic Address MountingData CES Wireless Technologies PeripheralsAccessory Connector Pin Function SCIMicrophone Connector Pin Function SCI/DTMFVHF2, 1-25 W, 146-174 MHz Low Power Radios146-174 MHz CM200/CM300/PM400 Model Chart Model DescriptionAAM50RNC9AA1A 438-370 MHz CM200/CM300/PM400 Model ChartUHF2, 1-25 W, 438-470 MHz AAM50RNF9AA1ANGeneral SpecificationsSpecification ESDTransmitter ReceiverVHF1, 25-45 W, 136-162 MHz High Power Radios136-162 MHz CM300 Model Chart VHF2, 25-45 W, 146-174 MHzAAM50RPC9AA1A 438-470 MHz CM200/CM300/PM400 Model ChartUHF2, 25-40 W, 438-470 MHz AAM50RPF9AA1ANUHF3, 25-40 W 465-495 MHz 465-495 MHz PM400 Model ChartAAM50SPF9AA3AN VHF1 VHF2 UHF2 UHF3 35 ∝V @ 12.5 kHz ∝V @ 25 kHz MIL Standards MIL-STDGlossary of Terms Term DefinitionPLL ResetOSW PTTVcobic VCOVswr This page Intentionally Left Blank Page 6802966C15