Kenwood KMC-35 - Service Manual

Document Copyrights
Copyright 2006 by Kenwood Corporation. All rights reserved.
No part of this manual may be reproduced, translated, distributed, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, for
any purpose without the prior written permission of Kenwood.
Disclaimer
While every precaution has been taken in the preparation of this manual, Kenwood
assumes no responsibility for errors or omissions. Neither is any liability assumed for
damages resulting from the use of the information contained herein. Kenwood reserves
the right to make changes to any products herein at any time for improvement purposes.

Summary

Document Copyrights

Disclaimer

Parts List

Disassembly for Repair

Main PCB Removal

Procedure for removing the Main Printed Circuit Board from the microphone case.

PTT Knob Installation Procedure

Steps for correctly installing the Push-To-Talk knob onto the front case.

Main PCB Installation Procedure

Instructions for installing the Main PCB, including fitting the modular connector.

Hot Microphone Modification Procedure

Procedure for modifying the microphone for hot microphone functionality by cutting a jumper.

Circuit Description

Hot Microphone Function

Explanation of the hot microphone state and its operation compared to normal state.

Circuit Operation

Description of circuit operation, including the effect of the jumper on bias voltage.

Exploded View

Schematic Diagram

Specifications

Kenwood KMC-35 Specifications

Power

voltage required	13.6V± 15%
current drain (KMC-35)	Less than 20mA
current drain (KMC-36)	Less than 100mA

Operating Environment

operating temperature range	–30°C~+60°C
microphone sensitivity	–46dB± 6dB at 1kHz (0dB=1V/Pa)
impedance	1kΩ± 30% at 1kHz