TOA Electronics AM-821 instruction manual Trouble-Shooting, Sympton, Cause, Replace a tape, Remedy

Models: AM-821

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TROUBLE-SHOOTING

TROUBLE-SHOOTING

Check the following points before you think there is a failure.

Are the remote microphone and other equipment properly connected to the AM-821 ? Is a power cord not plugged in ?

Are switches and volume controls placed in the right position ?

SYMPTON

CAUSE

REMEDY

A tape does not travel.

A tape is loaded improperly.

Remove a tape and load properly.

 

Control buttons are pushed while the

Set the auto switch to OFF.

 

auto switch is set to ON.

 

 

The auto switch is set to OFF and

Set the auto switch to ON when the

 

cassette tape motion is not activated

external timer is used.

 

by the external timer.

 

No output signal is

Output cord is connected improperly.

Connect a cord correctly.

delivered.

A headphone plug is inserted.

Detach a headphone plug.

 

A microphone picks up surrounding

Set the microphone switch to OFF.

 

noise.

 

Cannot record.

Tape's erasure prevention tab has

Replace a tape or cover a tab

 

been broken off.

opening with adhesive tape.

 

A Head is dirty.

Clean a head.

 

A microphone is connected

Connect a microphone correctly.

 

improperly.

 

High frequencies are

A Head is dirty.

Clean a head.

weak.

A Head is magnetized.

Demagnetize a head.

Sound is unsteady.

A capstan is dirty.

Clean a capstan and a pinch roller.

Excessive noise.

A tape is old.

Replace a tape.

A tape does not stop

Noise is high in unrecorded sound

Record again.

automatically.

section.

 

 

Period of time of unrecorded sound

 

 

section is short.

 

A tape is not rewound

Noise is high in unrecorded sound

automatically.

section.

 

Period of time of unrecorded sound

 

section is short.

 

The auto switch is set to OFF.

Paging through a

Microphone output level is too low.

microphone does not take

 

precedence.

 

Pre-recorded message

Recording level is too low.

does not take precedence

 

of background music.

A Head is dirty.

 

A tape is old.

Record again.

Set the auto switch to ON.

Use a microphone with high sensitivity.

Record again by using a microphone with high sensitivity. Clean a head.

Replace a tape and record again.

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TOA Electronics AM-821 instruction manual Trouble-Shooting, Sympton, Cause, Replace a tape, Remedy