— 42 —EnglishWhat might seem to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Beforecalling service, first check the following table for possible problems.SOLUTIONPOSSIBLE CAUSEPROBLEMThe tape head is dirty. Clean the tape head, referring to the section on "Cleaningthe tape head" (see p. 4).No sound can be heard, or thevolume is low. The fader or balance settings are set all the way to oneside.Reset the fader or balance settings (see p. 7).The input/output wires or wiring harness are connectedincorrectly.Reconnect the input/output wires or the wiring harnesscorrectly. See the section on "Connecting Wires toTerminals".The cassette tape is bad. Try playing another cassette tape. If works fine, the firsttape was bad.Nothing happens when thebuttons are pressed.The computer chip in the unit is not functioning normally. Press the reset button on the unit (see p. 3).The sound quality is poor ordistorted.The speakers are not wired correctly. Reconnect the speaker wires so that each output terminal isconnected to a different speaker.One of the speaker wires is being pinched by a screw inthe car.Check the speaker wiring.The antenna control wire is not connected. Connect the wire correctly, referring to the section on"Connecting Wires to Terminals".Radio reception is poor. The car antenna is not extended. Pull the antenna out all the way.The power does not turn on. The fuse has blown. After checking for short circuits in the wires, replace thefuse with one with the same rating.Attenuator is turned on. Turn off Attenuator.Troubleshooting GuideThe tape does not go in. /No sound can be heard eventhough the tape display ismade.The car ignition was turned off during tape eject; or thetape was pulled out during loading, switching the mode totape mode even though no tape is in.Press the Eject button.