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Thread: no power from receiver to lnb
10-31-2012 04:38 PM #1
no power from receiver to lnb
Hi all. Wondering if.someone can help me out. My.sonicview 360e all the.Sudden stopped getting signal and quality. Tried all kinds of.settings even hooked up a diferent receiver and it.did.get signal. So, it.appears that the part that sends power to lnb is not working. My question is what options might I have being that, I have.other receivers, pansat and viewsat , to make my sonicview work. Also, can the part that is bad be replaced? Where can I order part and how.do.I replace?. Thanks so much.
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10-31-2012 04:52 PM #2
10-31-2012 04:54 PM #3
You can try looping through, but would get aggravating as you would only get H or V depending how the other rx is set. Pop the top and see if ant caps in PS look poped or swollen.
10-31-2012 05:20 PM #4
There IS an option to turn on/off LNB power, but I willl assume you have that set correctly in the receiver configuration.
IT does pay to double check.
If the receiver has actually failed, then components surrounding the LNB power regulator *may* be at fault.
There should be a 3-terminal regulator on the receiver board
Usually, it's black, epoxy,and has a metal tab bolted to a heatsink, or the chassis.
If you post some (good) pictures and we can locate the part, we might come up with some ideas to test it.
Alternately, as ke4est mentioned above, the problem is just as likely to be on separate power supply board.
One tell-tale sign is leaking or bulging-top capacitors.
These are little vertical cylinders, with two leads at the bottom, going into the board.
They're normally crimped shut and flat on the top.
If bulging, or leaking from the bottom, that's a clue.
(not to be confused by sloppily-applied glue to hold them in place!) .
10-31-2012 07:48 PM #5Pub Member / Supporter
11-01-2012 07:51 AM #6Over-Educated & Underpaid
IT does pay to double check. [QUOTE]
Was going to suggest the same thing.
Cheers, K39" Ku, 6ft BUD, VS Ultra, Micro HD, Openbox s10 (cannon fodder), channel master 4228HD, CM7777 Preamp, Homemade Yagi, PS3, XBOX 360, Wii, Original Roku