Jensen XA2125 Installation And Operation Manual

Contents

Jensen XA2125 Installation And Operation Manual Manual pdf 11 page image

®XA2125, XA275, XA25011TroubleshootingProblem Possible Cause Corrective ActionAmplifier does not operate(power LED not on) whenvehicle and radio are onRadio volume needs to beturned up too high for ampto workRadio volume is too sensitiveSound from only one speakerSound distortedBlows fusesEngine noise(Ignition noise/static orAlternator whine)Protect light comes on/amplifier shuts downNo output on channelsNo power to +12V terminalNo power to remote wire with radio onFuse blownInput level control adjusted too lowInput level control adjusted too highDefective speakerPoor connections to speaker (wire)RCA input cable defectiveInput level control adjusted too highSpeaker wires shorting togetherPower wires hooked up incorrectlySpeakers blown or defectiveImproper ground connectionsGround loop(s)Amp is in thermal protectionFaulty speaker connection and/orcrossoverLow battery voltageSpeaker impedance less than 2 ohmsper channelSpeaker wires not connected tospeakers properlyInput hooked up incorrectlyRepair wire or connections.Check connections to radio with test light.Check fuse.Adjust input level control.Adjust input level control to lower setting.Replace speaker.Check connections.Replace cable.Adjust input level control.Separate speaker wires and insulate.Check power wire connections.Check speakers.Reroute RCA away from main power wires.Reroute RCA cable.Make sure amp is grounded to a clean, solid part of the chassis/frame.Let amp cool down before attempting to turn back on (some installations mayrequire a fan to keep the amp cool, especially if you are driving subwoofers withthe amp).Check speakers and/or crossovers for loose or bad connections.Make sure you are getting between 10.8-15.6 volts to the amplifier with a digitalmultimeter measured at the amplifier.If you are using 4 ohm speakers you cannot have more than two speakers wiredin parallel per channel. Amp will not operate into 2 ohms bridged.Refer to pages 6 – 8 for proper installation.6236 XA2CH_E.p65 5/7/01, 2:07 PM11

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