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THE 7 PART
BOX
**Note,
this system is very simple to build. However, it
does not work on all cable
systems.
**It is designed for systems
using old 1980’s technology. If your cable
system is behind the times,
the GO FOR IT! If they have
upgraded, then this will not work for you.
1980’s cable systems are characterized by a
pulsating fuzzy picture and a beeping
sound.
STEP-BY-STEP
INSTRUCTIONS
1. Remove the plastic
cover from the No.12 gauge solid copper wire (if
any) and twist around a
3/8" nail or drill bit (the
diameter is crucial) to form a coil of 9 turns.
(actually 9.5 turns to get both ends of the coil
facing the same direction.) Elongate 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 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-gluing a piece of rubber to
the bottom of the box, and
securing the coil to it.
3. Attach chassis connectors
center leads to the coil at points 2 1/2 turns
from
each end of the coil. Be sure to
solder them straight so that they will mount
straight in the box.
4. Solder resistor to center of
coil and ground other end of resistor to
chassis box, using solder lug
and small screw.
5. Drill a 3/8" diameter hole 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
converter box and connect to
television set with the short piece of
RG59 coaxial cable. Set
television set to HBO channel.
7. Using a plastic screwdriver
(non-metallic) adjust the variable
capacitor until picture tunes
in. Sit back, relax, and enjoy! ****ALSO: YOU
MAY HAVE TO
EXPAND AND CONTRACT THE
COIL TO GET A CLEAN PICTURE.
8. Do not be discouraged if you
can not get a clean channel. In different areas HBO
may be on a different channel. This
device will Descrambler one of your pay
channels! *
MATERIALS
REQUIRED:
Quantity
1 - Radio Shack
mini-box (RS #270-235) "numbers in brackets are
RADIOSHACK part
numbers."
1 - 1/4 watt resistor,
2.2k-2.4k ohm (RS #271-1325)
2 - F61a chassis-type
coaxial connectors (RS #278-212)
12" - No. 12 solid
copper wire
1 - 75pf-100pf
variable capacitor (YOU MAY USE ANY VARIABLE
CAPACITOR AS LONG AS IT INCLUDES THE RANGES
SPECIFIED. ((YOU WILL PROBABLY NEED TO GO TO YOUR
LOCAL ELECTRONICS STORE FOR THIS PART. RADIOSHACK
DOES NOT STOCK IT. HOWEVER THEY CAN ORDER IT FOR
YOU.)) If you are unable to locate it, you may call
DIGI-KEY at 1-800-344-4539. (COST is 4.88
ea.)
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