Tascam CD-A500 user service Troubleshooting, General, CD player, Cassette deck

Page 15

Troubleshooting

Basic troubleshooting of this unit is similar to troubleshooting of any other electrical or electronic equipment. Always check the most obvious pos- sible causes first. To give you a few ideas of what to look for, check the following:

Problem

Probable cause

Remedy

 

 

 

General

 

 

 

 

 

No power when POWER is pressed.

Power plug not inserted securely.

Plug in securely.

 

 

 

Hum

Pin-cord plug not connected securely.

Re-connect plug securely.

 

 

 

Noise in tuner.

Too close to tuner.

Keep a reasonable distance between

 

 

them or switch off the power of

 

 

this unit.

 

 

 

No audio output.

Connection to stereo system is incorrect.

Check connections.

 

 

 

Remote control unit operation is

POWER switch set to OFF.

Set switch to ON.

impossible.

 

 

Batteries not inserted in remote control.

Insert batteries.

 

 

 

 

CD player

 

 

 

 

 

No playback when disc is loaded.

Disc loaded with label side down.

Load with label side up.

 

 

 

 

Disc dirty.

Clean disc surface.

 

 

 

No audio output.

Connection to stereo system is incorrect.

Check connections.

 

 

 

No CD output

The cassette deck is in Playback mode.

Stop the deck. Or connect the

 

 

CD output with the amplifier.

 

 

 

A single tune can only be played.

SINGLE button engaged.

Press button to disengage it.

 

 

 

No program playback.

PROGRAM button not pressed.

Press button to display PGM.

 

 

 

Mistracking (sound jumping).

Player receiving vibration or shock.

Change the installation position

 

 

of this unit.

 

 

 

 

Disc dirty.

Clean disc surface.

 

 

 

Cassette deck

 

 

 

 

 

Low sound quality

The heads are dirty.

Clean the heads.

 

 

 

 

The heads are magnetized.

Demagnetize the heads using

 

 

the TEAC E-3.

 

 

 

 

The position of the DOLBY NR switch is

Change the position.

 

not correct.

 

 

 

 

Strange sound

The PITCH CONTROL has been changed.

Set the PITCH CONTROL pot to the

 

 

center position.

 

 

 

Impossible to record

The record protection tabs of the

Put adhesive tape on the tab hole.

 

cassette are broken off.

 

 

 

 

 

The heads are dirty.

Clean the heads.

 

 

 

 

Recording level is too low.

Turn the INPUT level control pot to

 

 

the right.

 

 

 

_ 15 _

Image 15
Contents CD-A500 Important Safety Instructions Optical pickup Type KSS-212B Manufacturer Sony Corporation Laser outputWavelength 760 800nm Before Use Connections Voltage ConversionRack mounting VINTRO Check button bAUTO Space button nA-B button Name of Each ControlWCD Sync button eRECORD button rREC Mute button PREPEAT 1/ALL button aPROGRAM button sSHUFFLE button∑ Even if the disc tray is open ∑ Music search using Search buttons /ÒCD Player Basic Operation∑ Programming required tunes ∑ To review the program contents∑ To cancel a programmed track Program Playback∑ Programmed repeat playback ∑ To repeat a designated section A-B Repeat modeRandom Playback Repeat FunctionIntro Check Function Time Counter DisplayAuto Spacing Single PlaybackErasing Cassette Deck OperationPlayback RecordingFast Wind How to Select Any Required Tune Using CPSRTZ Return To Zero Function Pitch ControlCopying from CD to Tape ∑ To record from the beginning of the tape∑ To record from any desired posi- tion of the tape ∑ Timer Recording Timer-controlled operationCassette deck TroubleshootingGeneral CD playerSpecifications MaintenanceTo the User