Realistic TM-152 User manual

5-/8-2-toS
Cat. No. 31-1967
T~-152
AM STEREO TUNER
PLEASE READ BEFORE USING THIS EQUIPMENT
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The TM-152, a mini-sized Tuner,
adds an exciting new dimension to
your hi fi syst.em... AM Stereo.
Used with the Stereo Amplifier, Cat.
No. 31-1955, you have a compact
combination for mighty sound. With
matching aluminum front panels
they are harmonious in sight as well
as sound.
Because of its line level outputs, this
unit may also be used with a
preamplifier, or a switching control
center, that has line level or
auxiliary inputs. This means your
TM-152 may be incorporated with
these components in an existing
sound system.
WARNING: To reduce the risk of fire or electric
shock, do not expose this appliance to rain or
moisture.
I
IRISK or ElECTRIC SHOCK I
IODN010P(N I
CAUTION: TO REDUCE THE RISKOF ELECTRIC
SHOCK, DO NOT REMOVE COVER (OR
BACK). NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
The lightning flash with arrowhead &
symbol within an equilateral trian- ~
gle is intended to alert the user to
the presence of uninsulated "dan-
gerous voltage" within the product's
enclosure.
The exclamation point within an equi-
lateral triangle is intended to alert
the user to the presence of impor-
tant operating and maintenance
(servicing) instructions in the litera-
ture accompanying the appliance.
SPECIFICATIONS
Stereo System Compatible with
Motorola C-
Quam stereo-
encoded
broadcasts
120Y AC, 60 Hz,
7watts (240Y AC,
50 Hz for the Unit
purchased in Aust.)
Frequency
Coverage
Sensitivity
520 - 1620 kHz
650fJ.Y I Meter
nominal for
20 dB S+N/N
165 mY
Output Level
at RCAJack
Antenna Built-in Ferrite Bar
Antenna
Power
Requirements
2
Copyright 1985, Tandy Corporation

CONTROLS AND FUNCTIONS
AM I 540 600 700 BOO 1000 1200 1400 1600 I K" S'GNAI
_~~. .... ... .. ~~_"_'f'~I~~~~I_"_'_' _11~1... .- ...'_~~2-.2.-...~
~- --- -----
TM-152 AM-AM STEREO TUNEA
CD POWER
Push in to turn the tuner on. The dial
will light. Press again to turn the
tuner off.
CD MONO Selector
To improve reception of monaural
broadcasts, press it in. When tuning
in stereo, leave it in the out position.
CD STEREO Indicator
With the MONO Switch in the out
position, the indicator lights when
you tune in Motorola C- Ouom'"
encoded stereo broadcast.
CD TUNING Knob
Rotate it to tune in stations.
CD SIGNAL Strength Meter
The meter consists of five LEOs
for greater accuracy in tuning a
broadcast.
Sometimes several of the LEOswill
light, sometimes all five, depending
on the strength of the signal.
Experimenting a little with the
tuning gives you an idea of the
meter's capabilities.
Corefuliy, turn the Tuning Knob
until the maximum number of LEOs
light for the specific station.
3

ruUTPUT .,
R L
.~~,~¥ •
CD left and Right OUTPUT
Connect a stereo audio cable from
OUTPUT jacks to the input jacks of
an amplifier.
CD AC Power line Cord
Plug into standard AC household
wall outlet.
CD AM ANTENNA Screw
Terminals
Connect an external AM antenna
to the screwsfor long-distance AM
reception. If necessary,connect
ground wire to GND terminal. In
most areas, the built-in antenna will
provide excellent reception.
4

CONNECTIONS
=
=
•••.C120VI)OH'
'"
The TM-152 provides a high level
output signal designed to feed into
an amplifier or preamplifier, or
switching control center, depending
on your system's design.
Before making the connections, be
sure the tuner and the other
components involved in the
connection, are turned off.
OPERATING HINTS
Using a shielded pair of audio
cables that terminate in RCA type
plugs, insert one end of one lead
into the ROUTPUT jack on the
Tuner. Connect the other end of the
cable to the RINPUT jack or
AUX jack on the amplifier,
preamplifier, or switching tuner.
Connect the LOUTPUT jack and L
INPUT jack in the same way.
If you notice hum present in the
signal, try reversing the position of
the AC cord in the wall outlet. Also
do not place audio cables right
next to your AC Line Cord.
Your TM-152 has a built-in AM
antenna. The antenna iscapable of
excellent reception under a wide
range of conditions. However, AM
reception can vary depending upon
your terrain, weather conditions,
and the orientation of the antenna.
It is also susceptible to external
sources of interference. If you
experience uneven reception, try
rotating the tuner, if your
iristallation will permit.
5

MAINTENANCE
Your TM-152 represents a fine example of electronic engineering and
construction. As such it should be treated accordingly. We offer the following
suggestions so you will enjoy this product for many years to come.
If at anytime you suggest that your unit is not performing as it should, stop
by your local Radio Shack store. Our personnel are there to assistyou and
arrange for service, if needed.
6
Keep it dry. If water should get on it, wipe it off
immediately. Water contains minerals that can
corrode electronic circuits.
Do not store in hot areas. High temperatures can
shorten the life of electronic devices and can even
distort or melt certain plastics.
Do not drop your product. Thiswill likely result in
failure to operate. Circuit boards can crack and cases
may not survive the impact. Handling your product
roughly will shorten its useful life.
Do not useor store in areas of high levels of dirt or
dust. The electronics may be contaminated. Any
moving parts will wear prematurely.
Do not use harsh chemicals, cleaning solvents or
strong detergents to keep your unit looking new. You
need only wipe it with a dampened cloth from time to
time.

SCHEMATIC DIAGRAM
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:t" RADIO SHACK LIMITED WARRANTY:.;~
: ,0 This product is warranted' against defects for 2 years from date of purchase from Radio ''3 -'l.1
::;:-\ Shack company-owned stores and authorized Radio Shack franchisees and dealers. Within ''?i;~.
~ this period. we will repair It without charge for parts and labor. Simply bring your Radio
: Shack sales slip as proof of purchase date to any Radio Shack store. Warranty does not
( ii> cover transportation costs. Nor does it cover a product subjected to misuse or accidental
~" damage .
.ii." EXCEPT AS PROVIDED HEREIN. RADIO SHACK MAKES NO WARRANTIES. EXPRESS
~'... OR IMPLIED. INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
)m; PARTICULAR PURPOSE. Some states do not permit limitation or exclusion of Implied
/' warranties; therefore. the aforesaid Iirnitatiorus) or exclusiorus) may not apply to the
purchaser.
This warranty qrves you specific legal rights and you may also have other nqhts which vary from state to state
We Service What We Sell Jr'
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CUSTOM MANUFACTURED FOR RADIO SHACK
A DIVISION OF TANDY CORPORATION
U.S.A.: FORT WORTH, TEXAS 76102
CANADA: BARRIE, ONTARIO L4M 4W5
TANDY CORPORATION
AUSTRALIA BELGIUM U. K
91 KURRAJONG AVENUE
MOUNT DRUln. N.S.W. 2770 PARe INDUSTRIEL
5140 NANINNE (NAMUR) BILSTON ROAD WEDNESBURY
WEST MIDLANDS WS10 7JN
8AS Printed in Taiwan
811016440A