TOA Electronics AM-821 - Manual (Page 9)

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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