My computer speakers, Logitech Z-5300s seem to randomly cut out for a second or two whilst playing. This set is about a year and half old, and has never been played at full volume for an extensive period of time, and overall has been kept in good condition.
The speakers seem to cut out after an hour or so of use. The temperature of unit at this time is comfortably warm, so it%26#39;s not overheating. It doesn%26#39;t matter what music file is played. The music itself is clean without clips or anything that would cause the speakers to react this way. It also doesn%26#39;t matter what is hooked up to the speakers, whether it be my desktop, laptop, or iPod it occurs with all.
The fuse in the subwoofer/amp unit is fine.
Given this, I am stumped as to what is causing the clipping in this unit. It comes and goes as it pleases it seems. Any ideas would be appreciated.
Answer: It is APPARENT you have properly RULED OUT, the easy fixes, (like loose cables, and faulty feed signal) so you are left with the LIKELY scenario, of an INTERMITTENT fault in your speaker%26#39;s amp circuitry.
The relevant symptoms you describe indicate an intermittent condition in the POWER SUPPLY SECTION , because it%26#39;s common to all amp channels.
The next clue, is the fact that it takes an hour or so to cut out. This is LIKELY to be HEAT RELATED, but NOT ("as you say,") OVERHEATING.
Such a problem is LIKELY to be due to either a bad solder joint in the amp, (bad solder connections OFTEN show up after a couple of years) or a faulty electronic component in the power supply.
The MECHANISM by which this happens, would be localized thermal expansion at the site of the bad joint, or faulty part.
From my experience in such intermittents, I would say you have a 50 / 50 chance to repair it, by CAREFUL observation of the circuit board under STRONG light and MAGNIFICATION. Bad solder joints CAN be found, VISUALLY, and it is wonderfully SATISFYING, to simply re solder a bad joint and SAVE YOUR UNIT !
Failing that, it%26#39;s needing a SERVICE TECHNICIAN to diagnose. I am one of those.
Well, those are MY ideas, anyway. Good luck.
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