Radio Shack Car Amplifier Cat No 15 1170 User Guide

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15-1170  
Cat. No.  
OWNER’S MANUAL  
Please read before using this equipment  
Satellite/TV/FM In-Line  
Signal Amplifier  
 
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Contents  
Introduction ............................................................................................................................ 4  
One Antenna/One Receiver System ..................................................................................... 6  
One Antenna/Two Receiver Systems ................................................................................... 8  
One Satellite Dish/Receiver System .................................................................................... 9  
Combining the Outdoor Signal .................................................................................. 9  
Splitting the Indoor Signal ......................................................................................... 9  
Amplified Antennas ............................................................................................................. 11  
Additional Amplification ........................................................................................... 13  
Problem Solving .................................................................................................................. 14  
Specifications ...................................................................................................................... 15  
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INTRODUCTION  
The RadioShack Satellite/TV/FM In-Line Signal Amplifier brings to your home video system the  
same technology that is used in commercial cable systems: a single, standard coaxial cable  
carries the satellite, TV, radio signal and the power necessary for the In-Line Signal Amplifier.  
The In-Line Signal Amplifier reduces or eliminates the signal losses caused by signal trans-  
formers, signal splitters, other in-line devices or extremely long cable runs between the anten-  
na and receiver system. The In-Line Signal Amplifier will amplify virtually any satellite, TV, or  
radio signal, from 50 MHz to 2,200 MHz.  
The compact, in-line design of the amplifier simplifies installation at the “head end” of an anten-  
na system (the end nearest the antenna, where amplification will do the most good).  
The In-Line Signal Amplifier can be used with antenna systems for:  
• direct-to-home satellite  
• standard VHF/UHF/cable TV  
• amateur TV systems  
• scanners  
• FM stereo radio  
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Caution:  
Because the In-Line Signal Amplifier uses coaxial cable to carry the satellite/TV/radio  
signal from the DC power supply, proper connections are crucial. Failure to follow exactly the  
connection instructions in this manual can result in damage to your amplifier or your satellite/  
TV/radio receiver.  
Note: You cannot insert splitters in the coax lead-in from the antenna to the power injector.  
Amplifier  
DC Block  
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ONE ANTENNA/ONE RECEIVER SYSTEM  
If you are using a single antenna with a single receiver, “Installation A” shows the proper con-  
nections.  
Caution: To avoid damage to your receiver and/or the amplifier power injector, carefully check  
all the points listed below.  
• Do not separate the amplifier from the DC block. The DC block must be between the  
amplifier and the 300-to-75 ohm transformer at the antenna.  
• Remove the DC block and the plastic tube that connects the DC block and the amplifier  
when using with a satellite or powered antenna.  
TO ANT TO POWER INJEC-  
• Follow the connection labeling on the amplifier/DC block unit:  
,
TOR  
. The amplifier will not receive power if they are reversed.  
TO TV TO AMPLIFIER  
. Your TV/radio  
• Follow the connection labeling on the power injector:  
receiver will be damaged if they are reversed.  
,
Note: The In-Line Signal Amplifier is designed for use with F-type connectors. For some anten-  
na systems (such as scanners, for example), you will have to use connection adapters or make  
a special cable.  
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Installation A  
Antenna  
Transformer  
Amplifier  
Antenna TV/FM/Scanner  
DC Block  
Power Injector  
Signal Output to  
TV/FM/Receiver/Scanner  
AC Outlet  
Caution: To avoid damage to the amplifier, power injector or other connected equipment, do  
not plug in the power injector until all connections have been double-checked.  
Note: An antenna transformer might not be included with your antenna and might not be need-  
ed. Check your antenna’s owner’s manual.  
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ONE ANTENNA/TWO RECEIVER SYSTEMS  
If you are using a single antenna with two TV/radio receivers, “Installation B” shows the proper  
connections. To avoid damage to your satellite/TV/radio receivers and/or the amplifier power  
injector, carefully check all the points listed below.  
Note: Make sure the power injector is between the amplifier and the splitter (before the signal  
is split).  
Installation B  
Optional 2nd Amplifier  
Transformer  
Amplifier  
Antenna  
DC Block  
Remove  
DC Block  
To 2nd TV/Radio Receiver  
Power Injector  
75 ohm Splitter  
AC Outlet  
TV  
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ONE SATELLITE DISH/RECEIVER SYSTEM  
Your In-Line Signal Amplifier can be used in a one-wire solution that allows you to combine the  
direct-to-home signal from your satellite dish and the VHF/UHF signal from your TV antenna by  
using a satellite signal splitter/combiner (not supplied) or a TV/satellite diplexer (not supplied).  
See the connection in “Installation C.”  
Combining the Outdoor Signal  
Use a satellite signal splitter/combiner to combine the output of the In-Line Signal Amplifier’s  
signal and the direct-to-home satellite signal in a single coaxial output lead. The satellite/re-  
ceiver transfers power to the In-Line Signal Amplifier and the satellite dish’s LNB (Low Noise  
Block) unit. See the connection in “Installation C.”  
Splitting the Indoor Signal  
Use a TV/satellite diplexer to separate the In-Line Signal Amplifier antenna signal and the di-  
rect-to-home signal, then route them to the TV’s antenna input and the direct-to-home receiv-  
er’s input. See the connection in “Installation C.”  
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Note: Normally, the direct-to-home receiver supplies power to both the antenna amplifier and  
the LNB converter.  
Installation C  
DC Passed  
In-Line  
Amplifier  
SAT  
TV/SatDiplexer  
Dish  
To LNB  
To ANT  
SAT  
ANT  
Satellite Signal  
Splitter Combiner  
TV SET  
AMP  
TO TV  
ANT  
Section, 50-2200 MHz  
(15-1170)  
LNB  
IN  
DC 13V/17V From  
Sat-Receiver  
10  
 
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AMPLIFIED ANTENNAS  
You can use the In-Line Signal Amplifier with amplified antenna systems, as shown in “Installa-  
tion D.”  
If the power supply provided with your amplified antenna provides a center-positive power sup-  
ply, it can be used to power the In-Line Signal Amplifier as well; you do not need the amplifier’s  
power injector.  
Caution:  
The In-Line Signal Amplifier cannot be used if the amplified antenna power supply is  
center negative.  
In this case only, you should remove the DC block from the amplifier and connect the amplifier  
directly to the F-type connector on the antenna. Remove the plastic tube that holds the amplifi-  
er and DC block together and unscrew the two pieces.  
If the antenna is used with more than one TV receiver, you must follow all connection proce-  
dures for “One Antenna/Two Receiver Systems” on Page 8, except that the DC block between  
the antenna and the amplifier will be removed, as described above.  
Note: The In-Line Signal Amplifier is designed for use with F-type connectors. For some anten-  
na systems (such as scanners, for example), you will have to use connection adapters or make  
a special cable.  
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Installation D  
Remove DC Block  
Amplified Antenna  
Amplifier  
Antenna Power Supply  
(Center Positive)  
TV  
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Additional Amplification  
If additional amplification is needed, you can connect another amplifier in the line with the first  
amplifier. Remove the DC block from the optional second amplifier.  
Notes:  
• The In-Line Signal Amplifier can only be purchased as a kit, with the Power Injector and  
DC Block. If you want to use a second amplifier in your system, retain the extra parts for  
future additions to your system or as replacements if other parts are damaged or lost.  
• If you connect another amplifier in the line with the first amplifier, make sure there is at  
least 100 feet between each In-Line Signal Amplifier.  
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PROBLEM SOLVING  
If the satellite/TV/radio receiver does not operate correctly after you install the In-Line Signal Amplifier:  
• Immediately unplug the power injector.  
• Check all connections and compare them with the appropriate installation drawing(s) in  
this manual.  
If no problems are found in the connections:  
Plug in the power injector and try the satellite/TV/ra-  
dio receiver again. If possible, try a different satellite/TV/radio receiver with the system or try  
the satellite/TV/radio receiver with a different antenna system.  
If the above procedures do not resolve the problem:  
Take the unit to your local RadioShack store  
for assistance.  
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SPECIFICATIONS  
Amplifier  
Frequency ........................................................................................................... 50–2,220 MHz  
Gain .............................................................................................. 50–2,200 MHz @10 dB MIN  
(7 CHANNEL INPUTS)  
Input Capability ................................................................... 83dB µV MIN  
Maximum Input for –60dB Third Order Distortion .......................... 84 dB µV MIN (Tested VHF)  
73 dB µV MIN (Tested UHF)  
Noise Figure ................................................................................ 50–900 MHz. @ 7.5 dB MAX  
900–2200 MHz @ 9.8 dB MAX  
Power Injector  
Input ................................................................................................................... 120V AC 60Hz  
Output Voltage .......................................................................................................... DC 12±1 V  
Maximum Output ........................................................................................................... 200 mA  
Insertion Loss ................................................................................ 50–950 MHz @1.5 dB MAX  
951–1,750 MHz @ 2.5 dB MAX  
1,751–2,200 MHz @ 4 dB MAX  
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Limited Ninety-Day Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal  
use for ninety (90) days from the date of purchase from RadioShack company-owned stores and authorized Ra-  
dioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WAR-  
RANTIES AND ANY IMPLIED WARRANTIES, INCLUDING 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, RadioShack SHALL HAVE NO LIABIL-  
ITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LI-  
ABILITY, 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, SPECIAL, 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 long an implied warranty lasts or the exclusion of incidental or con-  
sequential damages, so the above limitations or exclusions may not apply to you.  
In the event of a product defect during the warranty period, take the product and the RadioShack sales receipt as  
proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided by law:  
(a) correct the defect by product repair without charge for parts and labor; (b) replace the product with one of the  
same or similar design; or (c) refund the purchase price. All replaced parts and products, and products on which a  
refund is made, become the property of RadioShack. New or reconditioned parts and products may be used in the  
performance of warranty service. Repaired or replaced parts and products are warranted for the remainder of the  
original warranty period. You will be charged for repair or replacement of the product made after the expiration of  
the warranty period.  
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, accident, mis-  
use, improper or abnormal usage, failure to follow instructions, improper installation or maintenance, alteration,  
lightning or other incidence of excess voltage or current; (b) any repairs other than those provided by a RadioShack  
Authorized Service Facility; (c) consumables such as fuses or batteries; (d) cosmetic damage; (e) transportation,  
shipping or insurance costs; or (f) costs of product removal, installation, set-up service adjustment or reinstallation.  
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102  
We Service What We Sell  
04/99  
07A99  
Printed in China  
 

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