Join Date: Feb 2013
Location: San Tan Valley, AZ
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Sat feed from Dish runs to ground block. Cable from ground block to diplexer sat in. From In-out port cable runs to 722k. VHF/UHF port of diplexer runs to tv2. On back of 722k there should either be a diplexer/seperator combo or a triplexer. Both work the same way. On triplexer there is 2 feeds for sat in and one feed for tv2 out. With diplexer/seperator combo its basicallt the same. seperator goes to sat in and tv2 out goes into VHF/UHF side of diplexer with IN/OUT side going to other diplexer. If there are diplexers they work in pairs with Dish systems.
The other option is a direct backfeed. Where the TV2 out port on the back of the receiver is ran directly to TV2 without the use of diplexers. The TV2 feed can be split and mirrored to multiple tvs although this can degrade the picture quality significantly with the more times its split.
but if voltage is running through the TV2 feed something is not hooked up properly, equipment is malfunctioning(receiver/tv) or there is an issue with grounding in your electrical system. If you can test the outlets both where receiver is and tv is to ensure the outlets are wired and grounded correctly that would be the first. As long as you haven't ever rearranged any of the cables or moved receivers, swapped tvs or anything like that.
Onkyo TX-NR929, QSC GX5, Polk Audio RtiA9's, CsiA6, F/XiA6's, RtiA3's,PSA xs30se, Xbox 360, PS3, hopper w/Sling, Samsung 55" LED, All controlled with a Harmony One