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ISU
REE
ISLES
SA
ISU
SERED
SSR
RTE R U G
TROUBLESHOOTING GUIDE
If your
units do not operate properly, take proper action
consulting the table below. The symptoms below wouid be
caused by mistake in using the unit. If the trouble cannot
MP-700
Even when power switch is set
ON, pilot lamp does not light and
striking key does not produce
sound,
serviceman.
POSSIBLE CAUSE
Imperfect connection
of power
cord.
be remedied even after the actions instructed, or if there is
any
symptom
other than
those
listed below,
call for our
ACTION TO BE TAKEN
Piug in power cord perfectly.
Pilot lamp lights, but striking key
does not produce sound.
Connection to amplifier is imper-
fect.
Total Volume is set to minimum.
Connect perfectly. (See 'Basic
Connection" on page 6.)
Turn knob clockwise (9) to
Produce proper volume.
Sound rustles.
Cord connection
is imperfect.
Cord is defective.
Connect cords firmly.
Replace cord.
Pitch does not match to other
instruments.
Tuning is imperfect.
Tune correctly,
When
connected to external
amplifier, output is too big
or too smail.
MPA-100
Even when power switch is set
ON, lamp does not light and no
sound is produced.
Output level is not matched,
Imperfect connection of power
cord,
Fuse is blown.
Set Output Level Switch to
proper position to accord with
the amplifier you use.
Plug in power cord perfectly.
Replace a new fuse.
(110/117V, 5A; 220-240V, 3.15A)
Damper
is inoperative.
|
Jack connection
is imperfect.
Glide is inoperative.
Effect is inoperative.
*Chorus effect is inoperative.
Foot
Pedal
Section
*Vibrato effect is inoperative.
When connected to external
amplifier, output is too small.
Glide pedal is inoperative.
Damper pedal is inoperative.
Pedal jack connection is
reverse.
Jack connection is imperfect.
Chorus/Vibrato switch is set to
Vibrato.
Chorus/Vibrato switch is set to
Chorus.
Jack connection is imperfect.
Output level is not matched.
Pedal jack connection
is
imperfect.
Connect firmly.
Connect correctly.
Connect firmly.
Change to Chorus.
Change to Vibrato.
Connect firmly.
Set Output Level Switch to
proper position to accord with
the amplifier you use.
Connect firmly.
Glide and Damper operate with
opposite pedals.
MP-700 NOTES
Changes to steady bass sound
with BASS tablet ON.
Pedal jack connection is reverse.
Connect correctly.
CTA
! my
HH ae nN
10
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