how to troubleshoot Sony sa-wx700? - Page 3 - AVS Forum
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post #61 of 64 Old 09-08-2014, 07:16 AM
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I am getting rumbling static

I might as well keep this thread alive. It saved me 5 years ago when I came upon not one, but TWO WX700's for free. Both failed the previous owner, and because of this thread, I was able to fix both of them. Well fast forward 5 years, and now one on them is failing again. This time though, the sub is producing a random amount of popping/static noise. It is not loud, but obvious. It is not affected by adjusting the output level control, so I am guessing it might be somewhere in the actual amp area of the system. I have not checked yet to see if it will still process audio or not, but will try that shortly.

If anyone has had a similar problem and knows of a fix, I would love to hear. I will post pics if I find a fix.
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post #62 of 64 Old 09-08-2014, 10:23 PM
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Mine started doing the same thing. I poked around the amp for a while but ended up replacing it as inspired here: SA-WX700 amp replaced, wired right?
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post #63 of 64 Old 09-11-2014, 08:08 AM
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Brilliant

Quote:
Originally Posted by hiperco View Post
Mine started doing the same thing. I poked around the amp for a while but ended up replacing it as inspired here: SA-WX700 amp replaced, wired right?
Brilliant! I never thought of that. I did not even know you could buy an amp plate.
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post #64 of 64 Old 10-05-2014, 06:37 PM
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Quote:
Originally Posted by JKnPA View Post
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<div class="quote-block">Originally Posted by <strong>nadrealista</strong> <a href="/forum/post/12319217"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif" style=""></a><br><br><br>
I assume one of the components on the bard might be toast, but nothing that I can visibly see..both fuses were fine...I snapped couple photos of the board but they are on home pc..I will try to load those later tonight when I get back home..</div>
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Maybe someone will see something you missed!<br><br><div class="quote-container"><span>Quote:</span>
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Searching the web I noticed that several other people had their die in similar fashion as mine after having them for a year or so...</div>
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Products usually have inherent problems like cheap parts, and are the first to go. Quality is sometimes hard to find!<br><br><br><div class="quote-container"><span>Quote:</span>
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Lastly if I can't figure out what is wrong with it..anyone here knows good electronics shop in DC are that will not charge me arm and leg to figure what is wrong with it?</div>
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Good....... always ask for an estimate, then you can decide if its worth the effort to fix it. My 'HT' receiver died twice ( kept cutting out). After two repairs, I decided to buy a good receiver. .... FWIW<br><b>It's a good learning experience</b>.................
This sub was quite powerful for it's original price.As a result, it can't take loads of constant punishment but if used moderately could last longer and maybe not break at all. At $200.00, you can replace it and could easily find this same model or something better . If you are willing to buy a used powered sub, you'd be surprised at what's out there for $200.00
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