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Get free pay- tv
Title: Build your own Pay-TV decoder
Date: 7/5/88
Time: 5:42 am
With most of the cable companies
scrambling their signals on most all
new and some old channels I thought I'd
update and revise my first version
(1.0) of Pay Tv Decoder Plans.
Due to different scrambling systems,
you might find it neccesary to change
the range and values of the variable
capacitator. I've also added a
wiring diagram to help you with design-
ing the circut. If you have any
questions just leave a message on the
board listed at the end of the article.
///PAY TV DECODER PLANS///
Version 2.0
///MATERIALS REQUIRED:///
1 - Radio Shack mini-box ( #270-235)
1 - 1/4 watt resistor, 2.2k-2.4k ohm
(RS #271-1325)
1 - 75pf-100pf variable capacitor
(Very hard to find)
2 - F61a chassis-type coaxial
connectors (RS #278-212)
12" - No. 12 solid copper wire
12" - RG59 coaxial cable
///INSTRUCTIONS///
1. Bare a length of No. 12 gauge solid
copper wire and twist around a 3/8"
nail or rod to form a coil of 9 turns.
vlongate coil to a length of 1 1/2"
inches and form right angle bends on
each end.
2. Solder the varible capacitor to
the coil. It doesn't matter where you
solder it, it still does the same job.
The best place for it is in the center
with the adjustment screw facing upward
Note: When it comes time to place coil
in box, the coil must be insulated from
grounding. This can be done by crazy-
glueing a piece of rubber to the bottom
of the box, and securing the coil to it.
3. Tap coil at points 2 1/2 turns from
ends of coil and solder to coaxial
chassis connectors, bringing tap leads
through holes in chassis box. Use as
little wire as possible.
4. Solder resistor to center of coil
and ground other end of resistor to
chassis box, using solder lug and small
screw.
Diagram: Your circut and design should
look something like this:
----------------------------
! !
! !
! C !
! -----------F16a
G 2.2k O -- !
N----\/\/\--- Vc !
D 1/4w I -- !
! -----------F16a
! L !
! !
! !
----------------------------
5. Drill a 1/2" diameter hold in mini-
box cover to permit adjustment of the
variable capacitor from the outside.
Inspect the device for defects in
workmanship and place cover on mini-
box. Tighten securely.
6. Place device in line with existing
cable on either side of the coverter
box and connect to television set with
the short piece of RG59 coaxial cable.
Set television set to PAY channel.
7. Using a plastic screwdriver (non-
metallic), adjust the varible capacitor
until picture tunes in. Sit back,
relax, and enjoy!!!
Have fun...
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