I
Troubleshooting
Guide
Belore
requesting
service
lor
this
unit,
check
the
chart
below
lor
a
possible
cause
ofthe
problem
you
are
experiencing.
Some
simple
checks
or
a
minor
adjustment
on
your
part may
eliminate
the
problem
and restore
proper
operation.
II
you
are in
doubt
about
some
ol
the
check
points,
or
ilthe
remedies
indicated
In
the
chart
do
not solve
the
problem,
relerto
the
directory
ol
Authorized
service
centers
(enclosed
with
this
unit)
to
locate
a
convenient
service center,
or
consult
your
Technics
dealer
lor
instructions.
Probtem
Probable cause(s) Suggested remedy
f49$Ound !sheera
\Vb."
{he,
Pb.er "turned on.
Whétl IÎsteQing
to
IIt81'eo
s~nd.the
sound
of
the
v1H'Î01IS
mü&j~I.instruments
ï~notheard.
fI"om
its correct
Connections
are
incomplete
or
incorrect
to
the
speaker systems, etc.
The
incorrect
input
selector has been pressed.
sello
the
"tape"
position.
The
positive
(+)
and negative
(~)
connections
ol
the
speaker
connection
wires are reversed.
• Check
to
be sure
that
all
connection
wires are
correctly
connected.
• Check
to
be sure
that
the
correct
selector
is
pressed.
• Except
lor
tape playback, set
the
tape-monitor
selectors
to
the
"sou
ree"
position.
! •
connection
wires so that
Ihe
positive and negative
connections
are
correct.
-
po$itiol'l.
Whe,n"$t~nlng
toster-eo
The
left
and
right
connections
ol
the speaker •
Check
the speaker
connection
wires and con neet
.~nd,H1e
left
andtlght
connection
wires are reversed.
them
correctly
il
necessary.
f-::T:::h-e-cl:-e""ft:-a-n-dC-Cri:-g-:-h-:-t
-c-o-n-n-e-c'"'jj-o-n-s-o-=I-:-th:-e-c-o-n-n-e-c--
--i-:-.C
heck t he con
nection
w-i:-re"-s-t'-o-o-t:7
- -
r
eq u i pme nt
h
e
ti on wires
connected
to
other
equipment
are and
connect
them
correctly
il
necessary.
reversed.
sounds
are
reversed;
HA,:"'"
••.
,"'"to-W-·-p'"':lt,...c..,.h-éd....,.,.n'-o""'l:-s..,.e....,("""h'""u-m-··","-f-::
T
:7
h
-e
power
cord
or
a
Iluorescent
light, etc., is
i •
Try
separating the
amplifier
Irom
theelectri-C-
~
..
"bUZ~)ls
haard. near
the
connection
wires.
applianee
as
lar
as possible.
• Reverse the
connection
ol
the
power
cord
plug.
The
conneclion
ol
the
grouna:-w-'-ir-e"7is-'-in-c-o-r-re-c""'tc---i--.-'=C-7-heck
to
be sure
that
the
grounding
connection
or
incomplete. is correct.
~$~
is
. not heard
fromthe
The
speaker
connection
wires are • Check and
correct
the
connections
ol
the
pake!"
aystEm1
oftone
aide.
disconnected.
speaker con
necti:-o_n-;-w_i-:-re_s_.
___
-,-_-c-
___
-l
....
The
balance
control
ol
the
amplilier
is
not
set • Set the mark on the balance
control
to
the center
to
the
center
position.
positi()_n-;.
-;-c;-------,.
The
protection
circuitry
has
lunctioned
• Switch
of!
the
power, and, after
determining
and
because the positive and negative speaker
correcting
the cause, turn on the
power
once
connection
wires are
"shorted"
or
speaker again.
systems
with
an
impedance
less than
the
indicated rated
impedance
ol
the
amplelier
are
used.
Maintenance
To clean thls unit, use a soft,
dry
cloth.
II the surlaces are extremely dirty, use a soft cloth, dipped into a
soap-and-water solution or a weak detergent solution.
Wring the cloth weil belore wiping the unit.
Wipe on
ce
again with a solt, dry cloth.
Never use alcohol, paint thinner, benzine, nor a chemically
treated cloth
to
clean this unit.
Such chemica
Is
may
damage the linish
of
your unit.
-7-
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