Make a DC inserter
Insert power into a cable in one direction only. Useful for running a "magic-eye" when the Digibox has no RF power.
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| Solder a TV plug as shown here. Split away the outer insulation with a sharp blade and remove it. |
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| Cut the braid at the centre. |
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| Remove the copper foil carefully and keep it safely. |
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| Cut away the white insulator and wrap the strands of a red wire tightly around it. Wrap the strands of a blue or black wire around the copper braid as shown. |
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| If this is to be permanent, solder the connections |
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| Wrap plastic tape around the cable to insulate it completely. Make sure there are no short-circuits. |
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| Wrap the preserved copper foil so it overlaps the cut braid sections. Secure with more tape. |
| The Copper foil is forming a capacitive coupling to complete the screen connection so that signal can pass but DC can not reach the plug. Connect the positive terminal of a 9 volt battery (or DC power source) to the red wire. Connect the blue wire to negative. |
| Use an adapter to convert the TV plug to female in order to connect it to the Sky Digibox RF2 socket. |  |
| Fit a suitable plug to the other end of the cable to connect the "magic-eye". The LED on the "eye" should light if all connections are correct. A remote control aimed at the "magic-eye" should operate the Digibox. |
©2008 SatCure
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