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EX5 diagnostics- Wave ROM NG

The EX5 features a unique Extended Synthesis system which incorporates a number of advanced tone generator technologies. AWM2, AN, FDSP and VL. The EX5 is one of the best keyboard Yamaha ever produced.

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Rocinante01 United States of America
Posts: 4
Joined: Mon Sep 09, 2019 12:37 pm
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EX5 diagnostics- Wave ROM NG

Unread post by Rocinante01 »

Recently purchased an EX5, and it was immediately clear there was a problem with it. The first initial sounds were fine, but it soon became apparent there was something wrong with either the output or it’s internal data was somehow corrupt. The evidence was in hissing, distorted sounds.
After changing the battery (which was dead), I did a factory set restore, and this did not remedy the problem.
I performed a full deep cleaning of the unit, cleaning all button contacts, etc, and then ran a dia…login to view the rest of this post

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