Kenwood TK-7180H Service Manual

Also see for TK-7180(H): Brochure & specs Specification Instruction manual Brochure & specs Instruction manual

Contents

TK-7180H/7182H33. PRE-INSTALLATION CHECKOUT3-1. IntroductionEach radio is adjusted and tested before shipment. How-ever, it is recommended that receiver and transmitter opera-tion be checked for proper operation before installation.3-2. TestingThe radio should be tested complete with all cabling andaccessories as they will be connected in the final installation.Transmitter frequency, deviation, and power output shouldbe checked, as should receiver sensitivity, squelch operation,and audio output. Signaling equipment operation should beverified.4. PLANNING THE INSTALLATION4-1. GeneralInspect the vehicle and determine how and where the ra-dio antenna and accessories will be mounted.Plan cable runs for protection against pinching or crushingwiring, and radio installation to prevent overheating.4-2. AntennaThe favored location for an antenna is in the center of alarge, flat conductive area, usually at the roof center. Thetrunk lid is preferred, bond the trunk lid and vehicle chassisusing ground straps to ensure the lid is at chassis ground.4-3. RadioThe universal mount bracket allows the radio to bemounted in a variety of ways. Be sure the mounting surfaceis adequate to support the radio’s weight. Allow sufficientspace around the radio for air cooling. Position the radio closeenough to the vehicle operator to permit easy access to thecontrols when driving.4-4. DC Power and wiring1. This radio may be installed in negative ground electricalsystems only. Reverse polarity will cause the cable fuse toblow. Check the vehicle ground polarity before installationto prevent wasted time and effort.2. Connect the positive power lead directly to the vehiclebattery positive terminal. Connecting the Positive lead toany other positive voltage source in the vehicle is not rec-ommended.3. Connect the ground lead directly to the battery negativeterminal.4. The cable provided with the radio is sufficient to handlethe maximum radio current demand. If the cable must beextended, be sure the additional wire is sufficient for thecurrent to be carried and length of the added lead.5. INSTALLATION PLANNING – CONTROL STATIONS5-1. Antenna systemControl station. The antenna system selection depends onmany factors and is beyond the scope of this manual. YourKENWOOD dealer can help you select an antenna systemthat will best serve your particular needs.5-2. Radio locationSelect a convenient location for your control station radiowhich is as close as practical to the antenna cable entry point.Secondly, use your system’s power supply (which suppliesthe voltage and current required for your system). Make suresufficient air can flow around the radio and power supply toallow adequate cooling.SERVICEThis radio is designed for easy servicing. Refer to theschematic diagrams, printed circuit board views, and align-ment procedures contained in this manual.NOTE• If you do not intend to use the speaker 3.5-mm jack andthe D-sub 25-pin connector, fit the supplied speaker-jackcap and D-sub cap to stop dust and sand from getting in.• If the transceiver is turned ON or OFF when the power-on/off status message is enabled, the transceiver sends thestatus.Speakerjack capD-subcapPower inputconnectorIgnitionsense cableAntennaconnectorGENERAL