Optimus STA-20 Owner's Manual
OWNER'S
Please read before using this equipment
MANUAL
'l~bl'h
STA-20
AM/FM STEREO RECEIVER
Cat.
No.
31-1979
CJPTII\tfUSe
INTRODUCTION
Your new Optimus
Stereo Receiver gives you excellent
audio
in
a small package.
so
that you can use it with smaller
ed
speaker systems such
7.
The STA-20's 5-watt amplifier section and built-in circuit equalization give
you outstanding sound quality for such
a compact system. Your receiver also
has a special
the best possible sound, especially
when you use smaller speakers.
EQ
STA-20
as
switch to help you get
AM/FM
It
is design-
our Minimus
'I
J
2
FEATURES
• 5 Watts of
high-efficiency speaker system.
• Front Panel CD/TAPE Input
lets
player or cassette deck.
• TUNED
you are receiving the strongest signal
from
• TAPE OUT Jacks - enable you to
record any one of the amplifier's pro-
gram sources.
•
EQ
uniform output at low frequencies for
a rich, full sound.
For your personal records,
to record the serial number of your
receiver
find the serial number on the receiver's
back panel.
Serial Number:
Power-
you
quickly hook up a portable
Indicator-
an
FM
or
Switch - provides you with
in
the space provided. You can
drives almost any
Jack-
shows you when
AM
radio station.
we
urge you
--------~
CD
&
The lightning flash with arrowhead
symbol, within
is
intended to alert the user to the
presence of uninsulated "dangerous
voltage"
enclosure that may
magnitude to constitute a risk of electric shock to persons.
an
equilateral triangle,
within
the
be
product's
of sufficient
&
The exclamation point within
equilateral triangle
the user to the presence of important
operating and maintenance (servicing) instructions
companying the appliance.
is
intended to alert
in
the literature ac-
an
RISK
CAUTION:
OF
ELECTRIC
REMOVE
USER
SIDE.
QUALIFIED
SERVICEABLE
REFER
Radio
CAUTION
OF
ELECTRIC
DO
NOT
TO
REDUCE
COVER
SERVICE
Shack and
SHOCK
OPEN
SHOCK,
(OR
BACK).
PARTS
SERVICING
PERSONNEL.
Optimus
TO PREVENT FIRE
THE
RISK
DO
NOT.
NO
INTO
© 1991 Tandy
All Rights Reserved.
are registered trademarks used
HAZARD,
APPLIANCE TO RAIN
TURE.
I
Corporation.
WARNING:
OR
DO
NOT EXPOSE THIS
OR
by
Tandy
Corporation.
SHOCK
MOIS-
3
TABLE OF CONTENTS
Control Locations·
Preparation For Use
.......................
···················6
Connecting Speakers················6
Positioning Speakers
................
Connecting Antennas· ............... 7
Improving FM Reception
Connecting a Turntable
··········8
············9
Connecting a Cassette Deck · · · · · 9
Connecting to AC Power······ ···10
Typical System Connections··· ··10
5
7
Operation
...................................
Using the Receiver's Controls · ..
Using the CD/TAPE Input Jack ·12
Overload Protection·.
00
•••••••••••••••
Thermal Protection··················
Care And Maintenance
Specifications
...............................
00
•••••••••••••••
·11
·11
..
12
12
13
14
4
CONTROL LOCATIONS
Front
Panel:
POWER
Back
PHONES! TONE
Jack
Button
CD/TAPE
Panel:
Dial-Pointer
Control
Input
jack
Indicator
LOUDNESS
Button
BALANCE
VOLUME
Control
l
Tuning
Control
FM STEREO
Control
Source
Selector
TUNED
Indicator
Indicator
'
TAPE OUT
TAPE INPUT
300-ohm
PHONO INPUT
Jacks
I PHONO GND
Jacks
Screw
FM
FMANT
(antenna)_
Terminals
ANT (antenna) - 75-ohm
Jacks
SPEAKERS Push
(ground)
AM ANT (antenna)
Screw
Screw
Terminal
Screw
Terminals
Terminals
~~;;.';~~·:.~~.:=:..-
AC
Line
Cord
5
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