Mitsubishi DA-A100DC Instruction Book

BEFORE TAKING YOUR POWER AMPLIFIER IN FOR SERVICING .,...
First check to ensure that all other components are properly connected to this unit and are operating normally. Then check the following items.
SYMPTOM
CAUSE
REMEDY
©Power does not come on when the POWER
switch is turned on.
Power cord not completely plugged in.
© Fuse has blown,
© Plug in completely.
©Consult your authorized service dealer.
me
©No sound © Improper SPEAKER SELECTOR switch positioning. Correct the switch position.
oNominal speaker impedance is less than 4 ohms and o Use speakers with nominal impedance of 4 ohms
protection circuit is operating. or above.
© Speaker leads or plugs not completely plugged in. Plug in completely.
© Speaker (+) and (—) leads are touching. o Separate the leads.
©
Noise
©
Turntable
output
cord
too
close
to
power
cord.
©Plugs not completely plugged in.
©Put the turntable output cord as far as possible
from the power cord.
© Plug in completely.
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© Howling
© Caused by feedback. This occurs because speaker
* vibrations are being transmitted to the turntable.
© Place the speakers and the turntable as far apart
as possible. It is also helpful to put an insulator
under the turntable.
© Poor sound quality
© Too much power applied to speakers.
©No stereo effect and poor bass
© Speaker leads or plugs (+) and (—) are reversed.
© Adjust ‘‘Volume (Attenauator)‘’ on your
preamplifier.
©Correct the speaker leads or plugs connection.
©No sound for 5 — 7 seconds after power is
switched on.
-
©Muting circuit is operating to eliminate the popping
noise when power is turned on,
© This is not a malfunction.
U871B005H 04

Mitsubishi DA-A100DC Specifications

General

Brand	Mitsubishi
Model	DA-A100DC
Category	Amplifier
Language	English