Technics SU-Z550 User Manual

Troubleshooting Guide
Before requesting service for this unit, check this table to deter-
mine if the problem. can be solved as described below. If the
problem still persists after making these checks, or if there are
symptoms of malfunction not described in this table, it is recom-
Probable
ee
-
he p power record ora "fluorescent light, etc.
fea the connection wifes /
The ¢ connection vf ihe ground wire is incorrect
OL incomplete. - - .
the Speake connection \ wires: are discon -
nected. . _
The balance Sone is not set to the center
position = = = = =. 2
~The protection circuitry a Finca —
because the positive and negative speaker
connection wires are “shorted” or speaker
systems with an impedance. less than the
indicated rated impedance « of the @ amplifier. -
: are used.
mended that you consult the store where this unit was purchased
or your local Service Center (see list included) for further infor-
mation and assistance.
Suggested remedy _- :
e Request the store where this unit was purchased, or
a Service Center, to replace the fuse.
eCheck to be sure that all connection wires are
correctly connected.
eCheck to be sure that the selectors are set to the
correct position.
eReconnect the speaker connection wires so that the
positive and negative connections are correct.
eCheck the speaker connection wires and connect
them correctly if necessary.
eCheck the connection wires to other equipment
and connect them correctly if necessary.
eTry separating this unit from the electric appliance
as far as possible. |
e Reverse the connection of the power cord plug.
eCheck to be sure that the grounding connection is
correct.
eCheck and correct the connections of the speaker
connection wires.
eSet the mark on the balance control to the ener
position.
eSwitch off the power, and, after determining and
correcting the cause, turn on the power once
again.
Maintenance
of
External
Surfaces
To clean, use a soft dry cloth.
lf the surfaces are extremely dirty, use asoft cloth, dippedintoa
soap and water solution or a weak detergent solution.
Wring the cloth well before wiping the unit.
Wipe once again with a soft dry cloth.
Never use alcohol, paint thinner, benzine, nor a chemically
treated cloth to clean this unit.
Such chemicals may damage the finish of your unit.

Technics SU-Z550 Specifications

General

Brand	Technics
Model	SU-Z550
Category	Amplifier
Language	English