JVC Model MX-J70J manual Troubleshooting, Symptom

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Troubleshooting

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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.

Operations are disabled.

Unable to operate the unit from the remote control unit.

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 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.

Action

Check all connections and make corrections. (See pages 6 to 9.)

•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 26.)

•Plug the AC power cord.

•Unlock the trays. (See page 16.)

Place the disc with the label side up.

Turn on the unit.

Cover the holes with adhesive tape.

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

•Remove the obstruction.

•Replace the batteries.

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Contents MX-J70 For U.S.A CACA-MXJ70-D3S Precautions IntroductionAbout This Manual Contents Powered Rolling Panel Location of the Buttons and ControlsFront Panel Display WindowRemote Control Remote ControlUnpacking Connecting AntennasGetting Started FM antennaAM antenna Connecting SpeakersRelease the finger from the clamp To connect front speakersTo connect an analog component When connecting a VCRTo connect a center speaker and rear speakers To connect a subwooferTo start the display demonstration manually To stop the display demonstration, press any button onTo stop the demonstration, press any button Adjusting the Volume Setting the ClockTurning On the Power and Selecting the Sources Common OperationsTo turn down the volume level temporarily Fade Reinforcing the Bass SoundRelease Shift Press 4or ¢to select Frequency range to adjust Creating Your Own Sound Mode Manual ModeAdjust the SEA pattern While using one of the surround modesPresetting Stations Tuning in a StationTuning in a Preset Station Listening to FM and AM BroadcastsPlaying Back the Entire Discs Continuous Play Playing Back CDsLoading CDs Basic CD OperationsProgram Play Prohibiting Disc Ejection Tray Lock Playing at Random Random PlayRepeating Tracks or CDs Repeat Play Prepare CDsPlaying Back Tapes Playing Back a TapeLocating the Beginning of a Song Music Scan Using Dolby Surround Preparing for Dolby SurroundEnjoying Playback with Dolby Surround Start recording. On the unit Press REC START/STOP RecordingRecording Tapes on Deck B To protect your recordingDubbing Tapes CD Direct RecordingAuto Edit Recording Press EditPress SET Using the Timers Using Daily TimerUsing Recording Timer Using Sleep Timer Timer PriorityMaintenance Handling discsCassette decks Troubleshooting SymptomSpecifications HOW to Locate Your JVC Service Center Limited Warranty AUDIO-1 0399MWMMDWJEM

Model MX-J70J specifications

The JVC Model MX-J70J is a remarkable audio system that embodies the brand’s commitment to quality sound and innovative features. Targeted at music lovers, this model integrates a variety of technologies to enhance the listening experience, making it a sought-after choice for both casual listeners and audiophiles.

One of the standout features of the MX-J70J is its powerful sound output. Equipped with a high-output amplifier, this audio system delivers clear and robust sound across various genres of music. The dual 3-way speaker design ensures that the highs, mids, and lows are well represented, creating a balanced sound that fills any room. Users can enjoy richer bass through the built-in subwoofer, perfect for those who love deep, thumping beats.

Another significant aspect of the MX-J70J is its versatility. It comes with multiple playback options, including cassette, CD, and FM/AM radio. The dual cassette decks allow for easy recording and playback, catering to nostalgic users who still appreciate the charm of cassette tapes. Additionally, the CD player supports various formats, giving users flexibility in how they enjoy their music.

The system is also designed with modern connectivity in mind. USB ports allow users to connect flash drives containing their favorite tracks, while the 3.5mm audio input enables connection to external devices like smartphones and tablets. This connectivity expands the possibilities for music playback, making it easy to enjoy a personal library or streaming services.

In terms of user control, the JVC MX-J70J features an intuitive interface with an easy-to-read display. The remote control adds convenience, allowing users to manage playback from across the room. The system also includes a graphic equalizer with preset modes, enabling users to customize sound settings to suit their preferences and the acoustics of the room.

The build and design of the MX-J70J do not go unnoticed. With its sleek and modern appearance, it effortlessly complements various home decor styles. The robust construction promises durability, ensuring that users can enjoy high-quality sound for years to come.

Overall, the JVC Model MX-J70J is a well-rounded audio system that offers a blend of traditional and modern features. From its impressive sound quality to its versatile playback options and user-friendly design, it stands out as a solid choice for anyone in search of a reliable music system. Whether used for casual listening or for hosting gatherings, the MX-J70J delivers an immersive auditory experience.
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