TK-7180H/7182H2INTRODUCTIONSCOPE OF THIS MANUALThis manual is intended for use by experienced techni-cians familiar with similar types of commercial grade commu-nications equipment. It contains all required service informa-tion for the equipment and is current as of this publicationdate. Changes which may occur after publication are coveredby either Service Bulletins or Manual Revisions, which areissued as required.ORDERING REPLACEMENT PARTSWhen ordering replacement parts or equipment informa-tion, the full part identification number should be included.This applies to all parts : components, kits, and chassis. If thepart number is not known, include the chassis or kit numberof which it is a part and a sufficient description of the requiredcomponent for proper identification.PERSONAL SAFETYThe following precautions are recommended for personalsafety :• DO NOT transmit if someone is within two feet (0.6meter) of the antenna.• DO NOT transmit until all RF connectors are secure andany open connectors are properly terminated.• SHUT OFF this equipment when near electrical blastingcaps or while in an explosive atmosphere.• All equipment should be properly grounded before power-up for safe operation.• This equipment should be serviced by only qualified tech-nicians.PRE-INSTALLATION CONSIDERATIONS1. UNPACKINGUnpack the radio from its shipping container and check foraccessory items. If any item is missing, please contactKENWOOD immediately.2. LICENSING REQUIREMENTSFederal regulations require a station license for each radioinstallation (mobile or base) be obtained by the equipmentowner. The licensee is responsible for ensuring transmitterpower, frequency, and deviation are within the limits permit-ted by the station license.Transmitter adjustments may be performed only by a li-censed technician holding an FCC first, second or generalclass commercial radiotelephone operator’s license. There isno license required to install or operate the radio.CONTENTS / GENERALGENERAL .................................................................. 2SYSTEM SET-UPTK-7180H ............................................................... 4TK-7182H ............................................................... 5REALIGNMENT ......................................................... 6INSTALLATION ......................................................... 9DISASSEMBLY FOR REPAIR ................................. 16CIRCUIT DESCRIPTION .......................................... 19SEMICONDUCTOR DATA ...................................... 24COMPONENTS DESCRIPTION .............................. 27PARTS LIST ............................................................. 29EXPLODED VIEWTK-7180H ............................................................. 40TK-7182H ............................................................. 41PACKING ................................................................. 42ADJUSTMENTTK-7180H ............................................................. 43TK-7182H ............................................................. 55TERMINAL FUNCTION ........................................... 66PC BOARDDISPLAY UNIT (X54-3480-10) : TK-7180H ......... 72DISPLAY UNIT (X54-3540-10) : TK-7182H ......... 74TX-RX UNIT (X57-6980-XX) (A/3, C/3) .............. 76TX-RX UNIT (X57-6980-XX) (B/3) ...................... 78SCHEMATIC DIAGRAMDISPLAY UNIT (X54-3480-10) : TK-7180H ......... 82DISPLAY UNIT (X54-3540-10) : TK-7182H ......... 84TX-RX UNIT (X57-6980-XX) ............................... 86INTERCONNECTION DIAGRAMTK-7180H ............................................................. 96TK-7182H ............................................................. 97BLOCK DIAGRAMTK-7180H ............................................................. 98TK-7182H ........................................................... 100LEVEL DIAGRAM .................................................. 102OPTIONAL ACCESSORIESKRK-10 (Control Head Remote Kit: 23ft/7m) .... 104KAP-2 (Horn Alert/P.A. Relay unit) ................. 109KCT-40 (Radio Interface Cable) ........................ 109KCT-46 (Ignition Sense Cable) ......................... 109KMC-35 (Microphone) ...................................... 109KMC-36 (Keypad Microphone) ........................ 109SPECIFICATIONS ................................. BACK COVER