Question about Audio Players & Recorders
If you have a contact cleaner, spray the switch, volume control and other potentiometer. This symptom may due to dirty contact of that parts...
Posted on Apr 07, 2011
There's a good chance you have failing electrolytic capacitors probably in the power section.
Any caps that look bulged at the top, or bulged/leaking at the bottom need to be replaced.
That loud crash you heard was likely an electrolytic capacitor exploding, so that should be easy to spot!
If you are handy with a soldering iron an inexpensive handful of capacitors will likely fix you right up.
Match the capacitance on the capacitors. Go over voltage if you can, and still have them fit.
IE - it's not a bad idea to replace a 10V cap with a 16V or 25V or even a 50V, but don't replace a 680uF cap with a 500uF or a 1000uF (unless you are positive it's only doing ripple filtering, and even then, you should go OVER, not under the uF rating).
Most of the caps that go are 10V 1000uF or 3300uF.
A lot of incorrectly manufactured capacitors are ending their lives these days. They usually outlive the warranty, but not always, and not always by much - but depending on use, some lasted much longer than others, but inevitably failed within 1.5 - 3 years in most cases.
this issue spans plasma TVs, as well as large and small LCD TVs and monitors, amplifiers, mixing boards, PC motherboards, PC power supplies and many other devices - it's not specific to one company, brand etc.
The parts are cheap, and skill required is minimal - even if you don't know how to solder, there's a plethora of videos that you can find that will show basic soldering technique well enough that you'll be able to do this repair the day you watch such a video (assuming you have a soldering iron, desoldering braid or desoldering pump, and solder....flux isn't even necessary if you get a resin core solder)
Even a basic soldering kit at Radio Shack or The Source is cheap....much cheaper than replacing the MX8000 by a long shot!
Posted on Apr 06, 2011
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Posted on Jan 02, 2017
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