Troubleshooting - Toa WA-1822 Instruction Manual

13. TROUBLESHOOTING

Symptom
The power indicator lamp does not
light even when the power switch is
set to the ON position.
(Power is not supplied.)
The power indicator lamp flashes.
No sound output.
When using a wireless microphone
The Radio signal reception
indicator lamp does not light.
(No signal reception.)
No sound output.
When using the cassette deck (WA-1822C only)
Tapes are not played back.
The deck does not go into
recording mode.
• Recorded sound breaks up
when played back.
• Recording cannot be completely
erased.
• No high-frequency sound output.
• Tape speed varies widely.
• Rewind and fast-forward
operations are slow.
The cassette tape cannot be
ejected.
Note
The tape may not be ejected if
the power is switched OFF or
the cassette player stops
because of low battery charge
during operation. In such cases,
take steps detailed at right, then
press the EJECT [
22
[When operated on AC power]
The power plug is not connected
to an AC outlet.
[When operated on batteries]
Batteries not inserted with
correct polarities.
[When operated on batteries]
Batteries discharged.
The Internal speaker ON/OFF
switch is set to the OFF position.
The volume control is set to
the "0" position.
The tuner unit is not installed.
The wireless microphone's
power switch is switched OFF.
The wireless microphone's
batteries have lost their
charge.
The wireless microphone's
frequency setting (Channel)
does not match the tuner unit's
setting (Channel).
The Volume control is set to
the "0" position.
The Tape Volume control is set
to the "0" position.
The cassette's erasure prevention
tab has been removed.
The head, capstan and/or
pinch roller are dirty.
The tape is worn thin.
The tape is slack.
The power switch is switched
OFF.
[When operated on AC power]
The power
connected to an AC outlet.
[When operated on batteries]
Batteries discharged.
] .
Cause
Insert the power plug into the
AC outlet.
Reinstall the batteries correctly.
Replace batteries with new
ones.
Set the Internal speaker
ON/OFF switch to the ON
position.
Rotate the volume control
clockwise.
Install the tuner unit.
Set the wireless microphone
power switch to the ON position.
Replace the microphone's
batteries with new ones.
Set
microphone and the tuner unit to
the same frequency (Channel).
Rotate the Volume control
knob clockwise.
Rotate the Tape Volume
control knob clockwise.
Attach a piece of adhesive
tape over the tab opening.
Clean the head, capstan and
pinch roller.
Test by playing another
recorded tape. If played back
correctly, change the tape.
Take up tape slack with a
pencil or similar implement.
Switch ON the Power switch.
Insert the power plug into an
plug is not AC outlet, then switch ON the
Power switch.
Replace with the new batteries
or after connecting to the AC
power supply, switch ON the
power switch.
Remedy
both the wireless