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1 Document Copyrights Copyright 00 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.

2 N ALERT / P.A. RELAY UNIT KAP- SERVICE MANUAL 00-7 PRINTED IN JAN B (N) 09 Packing (G--0) Crimp terminal (E-7-0) x 8 Insulating cover (F9-08-0) Relay unit (X-70-0) Lead wire with connector (E7--0) Lead wire with connector (E7--0) Brazier head taptite screw (N87-0-8) Square plug (E9-09-0) RTS LIST KAP- (Y0-00-0) Ref. No. New parts Parts No. Description KAP- E-7-0 CRIMP TERMINAL E7--0 LEAD WIRE WITH CONNECTOR E7--0 LEAD WIRE WITH CONNECTOR E SQUARE PLUG F INSULATING COVER G--0 CKING N BRAZIER HEAD TAPTITE SCREW Ref. No. New parts Parts No. C- CK7FBH0K CP C 000PF K C7,8 CK7FBE0K CP C 0.00UF K E8-0-0 SOCKET CN E0-7-0 PIN ASSY CN E0-9-0 PIN ASSY CN E0-9-0 PIN ASSY R, R CP R 0 OHM K, S7-0-0 RELAY Description RELAY UNIT (X-70-0) : New parts D, SS DIODE Q, DTDEK DIGITAL TRANSISTOR

3 KAP- CIRCUIT DESCRIPTION / COMPONENTS DESCRIPTION / TERMINAL FUNCTION Circuit Description Public Address () function The output switching relay is controlled by turning the function on and off. When the is activated, the output flows through the following path. The audio signal input from the microphone passes through the filter, amplifier and other circuits of the TX-RX unit (B/) and goes to pin () of CN of the relay unit. The audio signal passes through the relay (K) and is output to pin (OSP) of CN. Horn Alert (HA) function The relay unit can be controlled by turning the HA function on and off and by using a signaling decode output. The maximum current of HA is A. There are two Horn Alert settings: HA (Default) and HA. HA can be set by changing the short pin of CN. CN Connect Set Up - HA - HA External Speaker (KES-) External speaker KES- can be installed for KAP-. If KES- is installed, it can be set by changing the CN short pin from pins and (INT SP) to pins and (EXT SP). CN Connect Set Up - INT. SP - EXT. SP CN pin - connect HR HA (Default) CN pin - connect HA HR Terminal Function Relay unit (X-70-0) Pin No. Name I/O Description CN - Ground. O Horn alert signal output. NC - Non-connection. I Speaker input. O Speaker output. ESP I Speaker input. CN O Horn alert signal output. - Ground. OSP O External speaker output (). ESP O External speaker output. - Ground. HR I Horn alert signal input. CN - Ground. I Control signal input of Horn Alert function. I Control signal input of Public Address function. O Speaker output. I Speaker input. SB I Power input of switched power supply. Cable (E7--0) -pin Connector Pin No. Color Name Red Components Description Blue Yellow OSP Relay unit (X-70-0) Ref. No. Part name Description Q, Transistor Switching Green ESP Brown Black HR D, Diode Reverse electromotive force protection

4 PC BOARD / SCHEMATIC DIAGRAM KAP- PC Board RELAY UNIT (X-70-0) Component side view (J ) RELAY UNIT (X-70-0) Foil side view (J ) J J CN NC ESP K C Q C8 D D CN OSP ESP HR K SB CN C R C R Q C7 C C Schematic Diagram RELAY UNIT (X-70-0) Layer Layer Component side Foil side Layer Layer Component side Foil side CN CONNECT - - HR CN CONNECT HR-Open - HR- HR-Open - HR- AF - -OSP -ESP -OSP K CN SB E0-9-0 C 000p C 000p Q DTDEK R 0 R 0 S7-0-0 D SS C7 0.0u K C 000p C 000p CN OSP ESP HR E0-9-0 C 000p Q DTDEK + S7-0-0 D SS C8 0.0u CN NC ESP E0-7-0

5 KAP- KENWOOD CORPORATION 97-, Ishikawa-machi, Hachioji-shi, Tokyo, 9-8 Japan KENWOOD U.S.A. CORPORATION P.O. BOX 7, 0 East Dominguez Street, Long Beach, CA , U.S.A. KENWOOD ELECTRONICS CANADA INC. 070 Kestrel Road, Mississauga, Ontario, Canada LT S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str., 0 Heusenstamm, Germany KENWOOD ELECTRONICS BELGIUM N.V. Leuvensesteenweg 8 J, 800 Vilvoorde, Belgium KENWOOD ELECTRONICS FRANCE S.A., Boulevard Ney, 708 Paris, France KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD8 9EB United Kingdom KENWOOD ELECTRONICS EUROPE B.V. Amsterdamseweg 7, AC Uithoorn, The Netherlands KENWOOD ELECTRONICS ITALIA S.p.A. Via G. Sirtori, 7/9 09 Milano, Italy KENWOOD IBERICA S.A. Bolivia, Barcelona, Spain KENWOOD ELECTRONICS AUSTRALIA PTY. LTD. (A.C.N ) Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. Australia KENWOOD ELECTRONICS (HONG KONG) LTD. Unit 7-7, Level 7, Tower one Metroplaza, Hing Fong Road, Kwai Fong, N.T., Hong Kong KENWOOD ELECTRONICS SINGAPORE PTE LTD. Genting Lane #07-00 Kenwood Building, Singapore 9