Question about Lexicon MC-1 Amplifier
I have a Lexicon MC1 which has been working fine for the last 6 years. it was properly setup by a specialist. Recently the volume has started to drop to zero on its own accord and has to be put back up manually. Other times when watching movies the sound goes all fuzzy and the only way to hear anything meaningful is to put it on 2 channel. DTS, THX 5.1, 7.1 all sound awful. Any ideas?
Any assistance would be greatly appreciated.
If the problems are intermittent, then the amp will most probably be suffering from dry solder joints. This is not uncommon about power devices in the unit like output stages and power regulators. I suggest that the amp needs to be checked over for such problems, and where needed resoldered to bring it back to a reliable state. If you are a gun with a soldering iron, you could do it your self. For this sort of work, I prefer to use solder with a 2% silver content as it produces a mechanically stronger soldered joint, and has a higher resistance to failure from the rigours of heating and cooling that constantly happens in amplifiers. If you think you dont have the skills required(good quality soldering is an practiced, and aquired skill), then get it into a decent repair guy for some attention. If you dont fix these problems,new faults may manifest themselves, and even expensive failures to output stages if left unattended.
Happy to answer any other questions you may have about it, just give me a hoy :) Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.
Posted on May 29, 2008
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Posted on Jan 02, 2017
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