JVC MX-J270V manual Troubleshooting, Symptom

Page 34

English

Troubleshooting

If you are having a problem with your unit, check this list for a possible solution before calling for service.

If you cannot solve the problem from the hints given here, or the unit has been physically damaged, call a qualified person, such as your dealer, for service.

Symptom

No sound is heard.

Hard to listen to broadcasts because of noise.

The disc sound is discontinuous. The disc tray does not open or close.

The disc does not play.

The cassette holders cannot be opened.

Impossible to record.

Stereo effect is lost.

Operations are disabled.

Unable to operate the unit from the remote control unit.

The image on the TV screen loses its colour.

The pictures of the video CD or CD-G is distorted.

Cause

Connections are incorrect or loose.

•Antennas are disconnected.

•The AM loop antenna is too close to the unit.

•The FM antenna is not properly extended and positioned.

The disc is scratched or dirty.

•The AC power cord is not plugged in.

•Trays are locked.

The disc is placed upside down.

Power supply from the AC power cord has been cut off while the tape was running.

Small tabs on the back of the cassette are removed.

The MPX sound, Vocal Masking or Vocal Replace function is in use.

The built-in microprocessor may malfunction due to external electrical interference.

•The path between the remote control unit and the remote sensor on the unit is blocked.

•The batteries are exhausted.

Video Out selection is unmatching.

When you pause or advance the pictures manually, the pictures are distorted. This is not a malfunction.

Action

Check all connections and make corrections. (See pages 6 to 8.)

•Reconnect the antennas correctly and securely.

•Change the position and direction of the AM loop antenna.

•Extend the FM antenna at the best position.

Clean or replace the disc. (See page 28.)

•Plug the AC power cord.

•Unlock the trays. (See page 18.)

Place the disc with the label side up.

Turn on the unit.

Cover the holes with adhesive tape.

Press the MPX/V.REPLACE/V.MASKING button until “NORMAL” appears on the display. (See page 23.)

Unplug the AC power cord and then plug it back in.

•Remove the obstruction.

•Replace the batteries.

•Remove the obstruction.

•Replace the batteries.

Select the correct video out.

(See “Connecting Other Equipment” on page 8.)

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Contents MX-J270V Precaución -- Interruptor Precaución CA-MXJ270V Class Laser Product Introduction PrecautionsAbout This Manual Contents Location of the Buttons and Controls Become familiar with the buttons and controls on your unitKHz MHz Front PanelDisplay window Remote Control Remote ControlFM antenna Unpacking Connecting AntennasGetting Started If reception is poorAM antenna Connecting SpeakersRelease the finger from the clamp To connect an outdoor AM antennaAdjusting the Voltage Selector Connecting Other EquipmentTo connect audio-visual equipment Time Common OperationsPress Select or + to set Press SETReinforcing the Bass Sound Setting the AM Tuner Interval SpacingAdjusting the Volume Selecting the Sound ModesTuning in a Preset Station Tuning in a StationPresetting Stations Listening to FM and AM BroadcastsPlaying Back the Entire Discs Continuous Play Playing Back CDsLoading CDs Basic CD OperationsProgramming the Playing Order of the Tracks Program Play Playing at Random Random Play Start the Random play mode On the unitPrepare CDs Prohibiting Disc Ejection Tray Lock Repeating Tracks or CDs Repeat PlayPlaying Video CDs and CD-Gs Prepare the discsHold Shift after a picture appears On the TV screen Special Plays for Video CDsPress V.INTRO while press Press the number button Video intro you Want to playbackPrepare Video CDs Playing Video CDs with PBC FunctionPress Highlight while press Start playback of the Video CDPress Repeat on the unit to select To play Video CDs without Using Menu ScreenPrepare a Video CD Basic Flow of Menu Play OperationPlaying Back a Tape Playing Back TapesLocating the Beginning of a Song Music Scan To find the beginning of the next song Press Eject 0for the deck B RecordingRecording Tapes on Deck B Check the tape direction of deck BDubbing Tapes To record on both sides Reverse ModeCD Direct Recording Press DubbingSinging Along Using the MicrophoneSinging Along with Multiplex Karaoke Discs Masking repeatedly to select Output sound Adjusting Key ControlMicrophone Mixing As you sing into the microphonePress Select or Select + to Using the TimersUsing the Daily and Recording Timer Set the on-time you want the unitTo adjust the volume level Press SET Using Sleep TimerOn the remote control only Press Sleep Press Select or Select +Timer Priority Handling discs MaintenanceCassette decks Troubleshooting SymptomSpecifications JVC 0900KSMMDWHIT
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