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Re: [disklavier] Re: Mice have destroyed my MX80 wiring harness.

2014-08-29 by Spencer Chase

strobe lights also keep mice away. i got some little led ones on e-bay 
and they worked to keep mice out of my honda until i found where they 
were getting in.

On 8/29/2014 3:06 PM, Sam Kanter skanter123@... [disklavier] wrote:
> I would finish the job by placing some mouse traps in the area.
>
> Sam
> www.keyboardcollective.com <http://www.keyboardcollective.com>
> (212) 684-3304
>
> /*(Sent from phone - please excuse brevity and typos.)/
>
> On Aug 29, 2014, at 5:18 PM, "freddismuke@... 
> <mailto:freddismuke@...> [disklavier]" 
> <disklavier@yahoogroups.com <mailto:disklavier@yahoogroups.com>> wrote:
>
>> With the irreplaceable help of the wiring diagram in the MX-80 
>> service manual and many hours of precise and tedious work each 
>> evening for the past week, I was able to trace and repair the ~50 
>> destroyed wires in the key driver wiring harness. Remarkably, my 
>> piano is playing fine once again. This being my second bout at having 
>> to perform rodent damage control, I noticed that any factory 
>> electrical tape was undamaged and took this opportunity to wrap other 
>> exposed individual wires that lead to the keyboard platform with a 
>> nice tight covering of electrical tape before returning them back to 
>> their original routing. I then fashioned a metal shield out of thin 
>> aluminum flashing that was about 50" long bent at 90 degrees along 
>> its length with one dimension 1-5/8" (top) and the other 1-1/8" down. 
>> This "armor" was placed on top of the wires leading to the key driver 
>> boards that the solenoids plug into. The dimension above allowed it 
>> to encapsulate the harness and it secured under the edge of that 
>> heavy retainer plate through which the 88 solenoid plunger tips 
>> "fire." The 1-1/8" facet slides between the wires and the key pivot 
>> block and completes the protection of the harness from all angles of 
>> dental attack. Lastly, I closed off the access at the left end of the 
>> keyboard with the plastic foam of a "pool noodle" which is similar in 
>> shape to plumbing pipe insulation. I had one of these in my garage 
>> and it was apparently not on the mouse menu as it was undamaged by 
>> them. I removed the wooden end cap and carved the foam to fit 
>> precisely so as to block the cavity the end cap created which was 
>> used as an access tunnel for pest exploration. The instrument 
>> functioned great again and though it is in slight need of a tuning, 
>> it sounded fine after the second cocktail. Many thanks for the .PDF 
>> of the service manual without which it would not have been possible. 
>> Cheers.
>>
>>
>>
>> ---In disklavier@yahoogroups.com <mailto:disklavier@yahoogroups.com>, 
>> <freddismuke@...> wrote :
>>
>> Well all is not lost. I've come across a service manual for the 
>> MX-80. The wiring diagrams it contains, a VOM, a soldering iron, and 
>> a couple of Saturdays may just sort the fly specs from the pepper in 
>> this rat's nest. I rarely shy away from a challenge. Many thanks to 
>> the guardian angel that dropped the PDF file my way.
>>
>> Fred
> 

-- 

Best regards, Spencer Chase
67550-Bell Springs Rd.
Garberville, CA 95542 Postal service only.
Laytonville, CA 95454 UPS only.
Spencer@...
http://www.spencerserolls.com
(425) 791-0309

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