Radio Shack Satellite/TV/FM In-Line Signal Amplifier Bedienungsanleitung

Cat. No. 15-1170

OWNER’S MANUAL

Please read before using this equipment

Satellite/TV/FM In-Line

Signal Amplifier

15-1170.fm Page 1 Tuesday, July 13, 1999 4:35 PM

WARNING: To reduce the risk of fire or shock

hazard, do not expose this product to rain or

moisture.

CAUTION

RISK OF ELEC-

TRIC SHOCK. DO

NOT OPEN.

CAUTION: TO REDUCE THE RISK OF ELEC-

TRIC SHOCK, DO NOT REMOVE COVER OR

BACK. NO USER-SERVICEABLE PARTS

INSIDE. REFER SERVICING TO QUALIFIED

PERSONNEL.

This symbol is intended to alert

you to the presence of uninsu-

lated dangerous voltage within

the product’s enclosure that might

be of sufficient magnitude to con-

stitute 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

included in the literature accom-

panying this product.

RadioShack is a registered trademark used by Tandy Corporation.

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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.

• Follow the connection labeling on the amplifier/DC block unit: TO ANT, TO POWER INJEC-

TOR. The amplifier will not receive power if they are reversed.

• Follow the connection labeling on the power injector: TO TV, TO AMPLIFIER. Your TV/radio

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

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.

Antenna

Amplifier

DC Block Antenna

TV/FM/Scanner

AC Outlet

Power Injector

Signal Output to

TV/FM/Receiver/Scanner

Transformer

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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

Amplifier

Transformer

Remove

DC Block

AC Outlet

75 ohm Splitter

Power Injector

To 2nd TV/Radio Receiver

Antenna

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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 signalfrom your satellite dish and the VHF/UHF signal from yourTV 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

SAT

Dish

DC Passed

To LNB

In-Line

To ANT

Satellite Signal

Splitter Combiner

AMP

Section, 50-2200 MHz

DC 13V/17V From

Sat-Receiver

(15-1170)

ANT SAT

TV SET

TO TV

ANT

LNB

TV/SatDiplexer

Amplifier

15-1170.fm Page 10 Tuesday, July 13, 1999 4:35 PM

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