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TOA Electronics AM-821 User Manual

Page 9

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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.

Control buttons are pushed while the

auto switch is set to ON.

The auto switch is set to OFF and

cassette tape motion is not activated
by the external timer.

Remove a tape and load properly.
Set the auto switch to OFF.

Set the auto switch to ON when the
external timer is used.

No output signal is
delivered.

Output cord is connected improperly.

A headphone plug is inserted.

A microphone picks up surrounding

noise.

Connect a cord correctly.
Detach a headphone plug.

Set the microphone switch to OFF.

Cannot record.

Tape's erasure prevention tab has

been broken off.

A Head is dirty.

A microphone is connected
improperly.

Replace a tape or cover a tab

opening with adhesive tape.

Clean a head.
Connect a microphone correctly.

High frequencies are

weak.

Sound is unsteady.
Excessive noise.

A Head is dirty.

A Head is magnetized.
A capstan is dirty.
A tape is old.

Clean a head.

Demagnetize a head.

Clean a capstan and a pinch roller.

Replace a tape.

A tape does not stop

automatically.

Noise is high in unrecorded sound
section.
Period of time of unrecorded sound
section is short.

Record again.

A tape is not rewound

automatically.

Noise is high in unrecorded sound

section.

Period of time of unrecorded sound

section is short.

The auto switch is set to OFF.

Record again.

Set the auto switch to ON.

Paging through a
microphone does not take

precedence.

Microphone output level is too low.

Use a microphone with high

sensitivity.

Pre-recorded message

does not take precedence

of background music.

Recording level is too low.

A Head is dirty.

A tape is old.

Record again by using a
microphone with high sensitivity.

Clean a head.

Replace a tape and record again.

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