JVC MX-J30 manual Troubleshooting

Page 25

Troubleshooting

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?

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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

Cause

Action

No sound is heard.

Connections are incorrect or loose.

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

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.

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.

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 21.)

Plug the AC power cord.

Unlock the trays. (See page 14.)

Place the disc with the label side up.

Turn on the unit.

Impossible to record.

Small tabs on the back of the cassette are

 

removed.

Cover the holes with adhesive tape.

Operations are disabled.

The built-in microprocessor may

 

malfunction due to external electrical

 

interference.

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

Unable to operate the unit from the remote

 

The path between the remote control unit

 

Remove the obstruction.

 

control unit.

 

 

and the remote sensor on the unit is

 

 

 

 

 

 

 

 

blocked.

 

 

 

 

 

 

 

The batteries are exhausted.

 

Replace the batteries.

 

 

 

 

 

 

 

 

 

Specifications

 

 

 

subject to change without notice.

 

 

 

 

 

Design and specifications are

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amplifier section – CA-MXJ30

Output Power

100 watts per channel, min. RMS, driven into 6 ohms at 1 kHz with no more than 10% total harmonic distortion.

Audio input sensitivity/Impedance (at 1 kHz)

AUX: 300 mV/50 kohms

Speakers/Impedance: 6 – 16 ohms

General

Power requirement:

AC 120 V , 60 Hz

Power consumption:

95 watts / 120 VA (at operation)

 

16 watts (on standby)

Dimensions (approx.):

265 x 315 x 341 mm (W/H/D)

 

(10 7/16 x 12 7/16 x 13 7/16 in.)

Mass (approx.):

8.3 kg (18.3 lbs)

Tuner

FM tuning range: 87.5 – 108.0 MHz

AM tuning range: 530 – 1,710 kHz

CD player

CD Capacity:

3 CDs

Dynamic range:

85 dB

Signal-to-noise ratio:

90 dB

Wow and flutter:

Immeasurable

Cassette deck

Frequency response

 

 

Normal (type I):

50 — 14,000

Hz

CrO2 (type II):

50 — 14,000

Hz

Metal (type IV):

50 — 14,000

Hz (only for playback)

Wow and flutter

 

 

0.15% (WRMS)

 

 

Supplied accessories

See page 6.

Speaker section — SP-MXJ30

Type:

2-way bass-reflex type

Speaker units:

Woofer:

15 cm (5 15/16") cone x1

 

Tweeter:

5.0 cm (2") cone x1

Power handling capacity: 100 watts

Impedance:

6 ohms

 

Frequency range:

45 Hz — 22,000 Hz

Sound pressure level:

88 dB/w•m

 

Dimensions (approx.):

215 x 315 x 230 mm (W/H/D)

 

(8 1/2 x 12 7/16 x 9 1/16 in.)

Mass (approx.):

3.3 kg (7.3 lbs) each

– 22 –

EN16-22.MX-J30[J]/5

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99.1.27, 6:47 PM

Image 25
Contents MX-J30 Mises en garde, précautions et indications diverses For Canada/pour le Canada Introduction PrecautionsAbout This Manual Contents Location of the Buttons and Controls Powered Rolling PanelDisplay Window Front PanelRemote Control Remote ControlGetting Started Connecting AntennasUnpacking FM antennaRelease the finger from the clamp Connecting SpeakersAM antenna To connect an outdoor AM antennaPress and hold Demo for more than Seconds.DEMO Connecting Other EquipmentTo connect audio equipment To start the display demonstration manuallyTurning On the Power and Selecting the Sources Setting the ClockCommon Operations To turn down the volume level temporarily Fade Adjusting the VolumeReinforcing the Bass Sound Selecting the Sound ModesTuning in a Preset Station Tuning in a StationPresetting Stations Listening to FM and AM BroadcastsLoading CDs Playing Back CDsPlaying Back the Entire Discs Continuous Play Basic CD OperationsProgram Play Repeating Tracks or CDs Repeat Play Playing at Random Random PlayProhibiting Disc Ejection Tray Lock Prepare CDsPlaying Back a Tape Playing Back TapesLocating the Beginning of a Song Music Scan Recording Tapes on Deck B RecordingStart recording On the unit Press REC START/STOPCD Direct Recording Dubbing TapesUsing Daily Timer Using the TimersUsing Recording Timer Timer Priority Using Sleep TimerHandling discs MaintenanceCassette decks Troubleshooting HOW to Locate Your JVC Service Center Limited Warranty AUDIO-1 0299MWMMDWJEM