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Audio and Video Talk
General Discussion
Hiss on left channel...except during load shedding.
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<blockquote data-quote="shorai" data-source="post: 1117990" data-attributes="member: 24498"><p>Check first for dry joints and corrosion at terminals. </p><p> Reheat with a spot of flux or use a solder sucker and replace the solder.</p><p> I do not like or use solder wick. I think they use a chemical and mess up the resoldering process.</p><p></p><p>Then I look at capacitors. </p><p> Check the DC voltage across each one and compare to both the rating and the other channel. </p><p> My theory is that hiss is breakdown in the dielectric. </p><p> A weak spot is sufficient to get a 'corona discharge'. That's probably not technically correct, but a useful analogy.</p><p></p><p>All Intermittent issues are difficult to solve.</p></blockquote><p></p>
[QUOTE="shorai, post: 1117990, member: 24498"] Check first for dry joints and corrosion at terminals. Reheat with a spot of flux or use a solder sucker and replace the solder. I do not like or use solder wick. I think they use a chemical and mess up the resoldering process. Then I look at capacitors. Check the DC voltage across each one and compare to both the rating and the other channel. My theory is that hiss is breakdown in the dielectric. A weak spot is sufficient to get a 'corona discharge'. That's probably not technically correct, but a useful analogy. All Intermittent issues are difficult to solve. [/QUOTE]
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Audio and Video Talk
General Discussion
Hiss on left channel...except during load shedding.
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