Vintage Synth Repair

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There is 1 message in this issue.

Topics in this digest:

1. Re: Yamaha TX816 PSU Whine
From: Russell Rose


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Message: 1
Date: Tue, 11 Oct 2005 09:23:11 -0400
From: Russell Rose
Subject: Re: Yamaha TX816 PSU Whine

Before you go to all that trouble, try this. Open her up, loosen all
screws that fasten the circuit
board to the chassis(i.e., ground screws) and then tighten them back
up. Sounds like you have
cpu clock signal floating around on the analog ground. Or it is
perhaps the switching power
supply current for the bacliught of the LCD, in which case you see
the backlight flickering
or see no backlight at all.
On Oct 9, 2005, at 2:47 PM, bitjiggle wrote:

> Hi all,
>
> I finally received the TX816 I've been lusting after half of my life.
> I turn it on and after a half hour I hear a very high pitched sound
> coming from the left side where I assume the power supply is. Is this
> the sound of a dying capacitor or regulator? Should I open her up and
> change whatever I can before it blows?
>
>
> Thanks
>
>
>
>
>
>
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