Kenwood TRC-80 Instruction Manual
Also see for TRC-80: Instruction manualService manual
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TROUBLESHOOTINGThe problems described in this table are commonly encountered operational malfunctions. These types of difficultiesare usually caused by improper hook-up, accidental incorrect control settings, or operator error due to incompleteprogramming, and are not caused by circuit failure. Please review this table, and the appropriate section(s) of thisinstruction manual, before assuming the radiotelephone is defective.ProblemSymptomThe radiotelephone will notpower up after connecting a13.6 V DC power supply andpressing [POWER]. Nothingappears on the Display, andno receiver noise is heard.No sound comes from thespeaker; signals cannot bereceived.After switching ON the power,the Display is dark.SSB audio quality is poor.The radiotelephoneisautomatically changingchannels.You cannot transmit eventhough you-press [PTT].The antenna tuner will notfinish tuning successfully.16Probable Cause CorrectiveAction1 The DC power supply is not switched I 1 Switch ON the DC power supply.ON.2 The power cable is faulty.3 The power cable is not connectedsecurely.4 A power cable fuse is open.1 The VOLUME control is fullycounterclockwise.2 The SQUELCH control is fullyclockwise.3 The Microphone PTT switch ispressed.The input vOltageis outside 13.6 V DC:t15% (11.6to 15.6V DC).The receiveris not tuned to the correctfrequency.The Scan function is working.1 The microphone plug is not insertedcompletely in the Front Panel MICconnector.2 Poor antennaconnection3 The selectedchannel is receiveonly.4 You have selected the CW or DATAmode instead of a voice mode.1 Poor antenna connection2 The antenna length is wrong.3 If using an externaltuner, it is notgroundedcorrectly.2 Inspect the power cable. Confirmpolarities are correct.Red: positive (+); Black: negative (-).3 Confirm that the power connector islocked against the radiotelephoneRear Panel. Confirm the connectionsto the DC power supply are secure.4 Look for the cause of the blown fuse.After inspecting and correcting anyproblems, install a new fuse with thesame rating.1 Turn the VOLUME control clockwise.2 Turn the SQUELCH controlcounterclockwise.3 Releasethe Microphone PTT switch.Correct the input voltage.Turn the CLARIFIER control to tune thereceiverfor a clearer signal.Press [SCAN] to stop scanning.1 Turn OFF the power, ensure the MICconnector on the Front Panel has noforeign objects in it, then plug in themicrophone connector. Secure theconnector with the locking ring.2 Check the antenna system.3 Select a channel programmed fortransmit and receive.4 Press [MODE] to select a voicemode.1 Check the antenna system.2 Use the correct antenna length.3 Ground the tuner.- --- |
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