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HBO descrambler plans
Downloaded from: Combat Arms
2869 Grove Way
Castro Valley, California 94546-6709
Telephone (415) 538-6544
BBS: (415) 537-1777
DISCLAIMER
The following material describes how to build an electronic
converter to permit a non-subscriber to illegally and unethically
receive Home Box Office. It is not the intent of this BBS to
suggest that any user engage in illegal activity. Therefore, this
material is submitted for your reading pleasure in hopes that you
will expand your knowledge. You are discouraged from building any
device that would permit you to receive Home Box Office (TM)
without paying your local cable company for the privilege. This
material is presented solely for the purposes of making the reader
who is interested in electronics more knowledgeable.
Richard Bash
-Your SysOp-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
HOME BOX OFFICE DECODER PLANS
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
(Hard to find)
2 - F61a chassis-type coaxial
connectors (RS #278-212)
12" - No. 12 solid copper wire
12" - RG59 coaxial cable
INSTRUCTIONS
1. Take a length of No. 12 gauge solid copper wire, remove
the insulation and twist the wire around a 3/8" nail or
rod to form a coil of 9 turns. Elongate the coil to a
length of 1 1/2" inches and form right angle bends on
each end.
2. Solder the variable capacitor to the coil. It does not
really matter where on the coil 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 the coil in
box, the coil must be insulated from
grounding. This can be done by using
Crazy Glue to attach a piece of rubber to
the inside bottom of the box and then
securing the coil to it.
3. Tap the coil at 2 1/2 turns from EACH end of coil and
solder the coaxial chassis connectors at those two
points. The tap leads are brought through holes in the
chassis box. Use as little wire as possible.
4. Solder the resistor to the center of coil and ground the
other end of resistor to the chassis box, using the
solder lug and small screw.
5. Drill a 1/2" diameter hole in the mini-box cover to
permit the adjustment of the variable capacitor from the
outside. Inspect the device for defects in workmanship
and place the cover on the mini-box. Tighten securely.
6. Place your completed device in line with the existing
cable on either side of the converter box and connect it
to the television set with the short piece of RG59
coaxial cable. Set your television set to the Home Box
Office channel.
7. Using a plastic screwdriver (non-metallic), adjust the
variable capacitor until picture tunes in. If you can
adequately see the picture, you are a success.
If you enjoyed this project, there are many other fun and
knowledge building things you can do with electronics. See your
local Radio Shack dealer or similar electronics parts store and see
what kits and plans they have available. You may also wish to read
some of the magazines, such as "Popular Electronics," "Radio &
Electronics," etc.
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