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Radio Shack 15-1112B User manual

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Copyright 2025 Manuals.Online. All Rights Reserved.

© 1997 Tandy Corporation.
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation.
Cat. No. 15-1112B
High Gain In-Line Signal Amplifier
Your RadioShack High Gain In-Line
Signal Amplifier increases the
strength of cable TV and VHF/FM sig-
nals up to 20 dB! This amplification is
necessary when a cable TV signal
travels through a long length of cable
(100 feet or more) from the antenna or
cable outlet to the TV or VCR, or when
the signal is too weak to produce a
good picture.
Your amplifier also features an adjust-
able gain control that lets you adjust
the amplification up to 10 dB if you
don’t need the full 20 dB. This control
helps prevent signal overload.
Note: This amplifier is not recom-
mended for use with outdoor VHF/
UHF antennas.
This symbol is intended to alert you
to the presence of uninsulated dan-
gerous voltage within the product’s
enclosure that might be of sufficient
magnitude to constitute a risk of
electric shock. Do not open the
product’s case.
This symbol is intended to inform
you that important operating and
maintenance instructions are in-
cluded in the literature accompany-
ing this product.
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICE-
ABLE PARTS INSIDE. REFER SERVIC-
ING TO QUALIFIED PERSONNEL.
WARNING: To reduce the risk of
fire or shock hazard, do not ex-
pose this product to rain or mois-
ture.
!
!
15-1112b.fm Page 1 Thursday, July 15, 1999 10:47 AM
2
MOUNTING AND
CONNECTING THE
AMPLIFIER
Use RG-6QS (Quad shield) 75-ohm
coaxial cable, available at your local
RadioShack store, for all amplifier
connections.
Note: Use only the length of cable
necessary for the connections. Ex-
cess cable causes loss of signal
strength.
Single TV/VCR Connection
1. Using the supplied screws, mount
the amplifier on a wall or base-
board, as close as possible to the
cable box.
2. Connect the output terminal of the
cable box or VHF/FM antenna to
the amplifier’s CABLE IN terminal.
3. Connect the amplifier’s CABLE
OUT terminal to the 75-ohm VHF
terminal on your TV or VCR. If
your TV has only 300-ohm VHF
terminals, use a 75-to-300 trans-
former (such as RadioShack Cat.
No. 15-1230).
4. Plug the amplifier’s power cord
into a standard AC outlet.
Multiple TV/VCR Connection
1. Using the supplied screws, mount
the amplifier on a wall or base-
board, as close as possible to the
cable box.
15-1112b.fm Page 2 Thursday, July 15, 1999 10:47 AM
3
2. Connect the line from the antenna
or cable outlet to the input termi-
nal of an optional 75-ohm splitter
(available at your local
RadioShack store).
3. Connect the splitter’s output termi-
nals to the amplifier’s CABLE IN
terminal and the input terminal of
the cable box.
4. Connect the amplifier’s CABLE
OUT terminal to the 75-ohm VHF
terminal on the first TV or VCR.
Connect the cable box’s output
terminal to the 75-ohm VHF termi-
nal on the second TV or VCR.
For a TV with only 300-ohm VHF
terminals, use a 75-to-300 trans-
former (such as RadioShack Cat.
No. 15-1230).
5. Plug the amplifier’s power cord
into a standard AC outlet.
USING THE GAIN
CONTROL
Use the GAIN control to help prevent
signal overload. Common signs of sig-
nal overload are horizontal dark and
light bands or double images on the
screen.
At fully clockwise (+), the gain is 20
dB. This amplifies the signal by a fac-
tor of 100. To reduce the gain, turn the
control counterclockwise (toward –).
At fully counterclockwise, the gain is
about 10 dB.
15-1112b.fm Page 3 Thursday, July 15, 1999 10:47 AM
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
11A7 Printed in Taiwan
SPECIFICATIONS
Frequency Range ................................................................................ 50–500 MHz
Max. Gain ........................................................................................................20 dB
Gain Control ................................................................................................... 10 dB
Response Flatness ......................................................................................... ±2 dB
Max. Output ............................................................................................. 62 dB mV
Noise Figure ..................................................................................................... 6 dB
Impedance:
Input ......................................................................................................... 75 ohm
Output ...................................................................................................... 75 ohm
Power Requirement ............................................................ 120 VAC, 60 Hz, 3.6 W
Specifications are typical; individual units might vary. Specifications are subject to
change and improvement without notice.
Limited Ninety-Day Warranty
This product is warranted b
y
RadioShack a
g
ainst manufacturin
g
defects in material and workmanship under normal use for ninet
y
(90) da
y
s from the date of purchase from RadioShack compan
y
-owned stores and authorized RadioShack franchisees and dealers.
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, IN-
CLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO
THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, Ra-
dioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-
SPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE
PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES
RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPE-
CIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
Some states do not allow the limitations on how lon
g
an implied warrant
y
lasts or the exclusion of incidental or consequential dam-
a
g
es, so the above limitations or exclusions ma
y
not appl
y
to
y
ou.
In the event of a product defect durin
g
the warrant
y
period, take the product and the RadioShack sales receipt as proof of purchase
date to an
y
RadioShack store. RadioShack will, at its option, unless otherwise provided b
y
law: (a) correct the defect b
y
product re-
pair without char
g
e for parts and labor; (b) replace the product with one of the same or similar desi
g
n; or (c) refund the purchase
price. All replaced parts and products, and products on which a refund is made, become the propert
y
of RadioShack. New or recon-
ditioned parts and products ma
y
be used in the performance of warrant
y
service. Repaired or replaced parts and products are war-
ranted for the remainder of the ori
g
inal warrant
y
period. You will be char
g
ed for repair or replacement of the product made after the
expiration of the warrant
y
period.
This warrant
y
does not cover: (a) dama
g
e or failure caused b
y
or attributable to acts of God, abuse, accident, misuse, improper or
abnormal usa
g
e, failure to follow instructions, improper installation or maintenance, alteration, li
g
htnin
g
or other incidence of excess
volta
g
e or current; (b) an
y
repairs other than those provided b
y
a RadioShack Authorized Service Facilit
y
; (c) consumables such as
fuses or batteries; (d) cosmetic dama
g
e; (e) transportation, shippin
g
or insurance costs; or (f) costs of product removal, installation,
set-up service adjustment or reinstallation.
This warrant
y
g
ives
y
ou specific le
g
al ri
g
hts, and
y
ou ma
y
also have other ri
g
hts which var
y
from state to state.
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102
We Service What We Sell 3/97
15-1112b.fm Page 4 Thursday, July 15, 1999 10:47 AM