Disassembly of Control Heads CM300/PM400 | Nikon CM200 manual

Radio Disassembly - Detailed	2-11

6.8Disassembly of Control Heads - CM300/PM400

1.Disconnect the flat cable from the Control Head PCB connector. See Figure 2-12.

2.Remove the PCB from the keypad assembly.

3.Remove the LCD assembly from the rubber keypad assembly.

4.Remove the keypad assembly from the control head housing by lifting it up from the face side.

5.Disconnect the speaker socket and remove the speaker from the keypad assembly.

NOTE DO NOT touch or contaminate the conductive pads on the under side of the keypad, the conductive contacts on the printed circuit board or the elastomeric connector.

Control Head Housing

Speaker	Keypad Assembly
Speaker
	LCD AssemblyPCB

Figure 2-12Control Head Housing Removal CM300/PM400

Image 25

Nikon CM200 service manual Disassembly of Control Heads CM300/PM400, 12Control Head Housing Removal CM300/PM400

Contents

Commercial Series Page CM200/CM300/PM400 Radios Foreword Table of Contents Transceiver Performance Testing Glossary This page Intentionally Left Blank Product Safety and RF Exposure Compliance Safety Information This page is Intentionally Blank Introduction Replacement Parts Ordering Radio Model Information This page Intentionally Left Blank Cleaning Procedures Preventive MaintenanceChapter Introduction Safe Handling of Cmos and Ldmos Devices Cleaning Internal Circuit Boards and Components Parts Replacement and Substitution Repair Procedures and Techniques GeneralDisassembling and Reassembling the Radio General Rigid Circuit Boards Volume Knob Removal Radio Disassembly DetailedControl Head Removal 3Flat Cable Removal 5Top Cover Removal Chassis Horizontal Top Cover Removal PA Shield and DC Cable Removal Main Shield Removal 8PA Shield and DC Cable Removal for High Power Models PA Clip and Main PCB Removal for Low Power Models 10PA Clip and Main PCB Removal for High Power Models Main PCB Removal for High Power Models PCB Disassembly of Control Head CM200 12Control Head Housing Removal CM300/PM400 Disassembly of Control Heads CM300/PM400 Chassis Assembly for Low Power Models Radio AssemblyChassis Assembly for High Power Models Control Head Fitting Control Heads Assembly Option 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 Item no Description Control Head CM200 Control Head CM300/PM400 Motorola Part Description Application Service Aids Test Equipment FLO830308-0 Programming/Test Cable RKN4083 Adapter Cable FKN8113 20Pin Configuration of FKN8113 Service Monitor Test Set Power Supply SetupGeneral Table Number Title To enter test mode display radios RF Test ModeHSS CMP Test Name Communications Analyzer Radio Test Set Comment Test Mode PL/DPL DtmfTPL DPL Sinad This page Intentionally Left Blank Description Kit Number CPS Programming/Flashing Setup with RIBCPS CPS Programming Setup with RIB with Telco Connector CPS Programming/Flashing Setup Ribless CPS Programming Setup with RIB CPS Programming Setup with RIB Accessory Connector Initial Test Equipment Control Settings Radio Tuning SetupService Monitor Test Set Power Supply Error Codes Power UP SELF-TEST Power UP SELF-TEST Antennas AccessoriesVHF UHF Audio Alarms and Accessories Public Address Control StationCables Mounting Peripherals Data CES Wireless Technologies SCI Accessory Connector Pin Function SCI/DTMF Microphone Connector Pin Function 146-174 MHz CM200/CM300/PM400 Model Chart Low Power RadiosVHF2, 1-25 W, 146-174 MHz Model Description UHF2, 1-25 W, 438-470 MHz 438-370 MHz CM200/CM300/PM400 Model ChartAAM50RNC9AA1A AAM50RNF9AA1AN Specification SpecificationsGeneral ESD Receiver Transmitter 136-162 MHz CM300 Model Chart High Power RadiosVHF1, 25-45 W, 136-162 MHz VHF2, 25-45 W, 146-174 MHz UHF2, 25-40 W, 438-470 MHz 438-470 MHz CM200/CM300/PM400 Model ChartAAM50RPC9AA1A AAM50RPF9AA1AN UHF3, 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-STD MIL Standards Term Definition Glossary of Terms OSW ResetPLL PTT Vcobic VCOVswr This page Intentionally Left Blank Page 6802966C15