Troubleshooting - Toa WA-641 Operating Instructions Manual

Troubleshooting

Symptom
Even when power switch is set to ON,
power indicator does not come on.
(No power is supplied.)
No output sound.
The radio signal reception does
not come on.
(Radio signal is not received.).
No output sound.
No playback sound.
Recording button defies
attempts to depress it.
Playback sound is distorted.
Recording cannot be erased
completely.
High frequencies are weak.
Unstable tape travel.
Fast forward/rewind speed is
slow.
All manuals and user guides at all-guides.com
Confirmation
[AC Mains operation]
Is power cable plug inserted
into wall AC outlet?
[Dry cell operation]
Is polarity proper?
Volume control is placed in
minimum position?
Is aerial fully extended?
Is tuner module mounted?
Is wireless mic power switch set
to ON?
Has wireless mic dry cell not
been exhausted?
Is wired mic not connected?
Is playback level control set to
minimum?
Have erasure prevention tabs
been removed?
Is head section not dirty?
Has tape not been worn out?
Is there not tape slack?
- 14 -
Remedy
Plug power cable into AC outlet.
Re-load dry cells in proper
polarity. (See page 4.)
Turn control clockwise.
Fully extended aerial.
Mount tuner module.
Place mic power switch in ON
position.
Change dry cell with new one.
Remove wired mic.
Rotate control clockwise?
Cover tab openings with
adhesive tape.
Clean head section.
Use other tape for playback. If
that tape produces no problem,
replace original tape with new
one.
Take up tape slack using
pencil.