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KN7000 main board

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Hi Where can I purchase the main board for the kn7000 Part number=SXPG 238611
thanks in advance

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Posted on January 10, 2017 at 1:50 AM
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15 Replies

jd5live

jd5live
United Kingdom

Total Posts: 360
Joined: June 8, 2014

Re: KN7000 main board

Hi you say you are looking for the main board for a KN7000, What is the fault with yours ?
Regards John.

Posted on January 10, 2017 at 10:25 PM

RMepstead

RMepstead
United Kingdom

Total Posts: 169
Joined: May 28, 2014

Re: KN7000 main board

www.wdgreenhill.com one would hope...fingers crossed after all this time.

Posted on January 11, 2017 at 4:00 PM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

Thanks Roger for your quick reply
Now I am waiting the answere from (wdgreenhill)
I went to the site and the main board its on there list
Thanks again

Posted on January 11, 2017 at 10:45 PM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

I forgot to give you the list==SXPG 238611
thanks

http://www.wdgreenhill.com/manu/technics/technics_parts.htm...

Posted on January 11, 2017 at 10:51 PM

davetutt

davetutt
United Kingdom

Total Posts: 166
Joined: January 12, 2015

Re: KN7000 main board

Very best of luck with that! The only fault I have ever found with any of the Technics main boards be it the KN7000 or its predecessors, or the organs or pianos for that matter has been power supply issues especially with switching psu circuitry, start up muting circuit issues, memory backup battery (or more usually super capacitor) failure and finally soldering issues on one of the final VLSI chips that was causing intermittent sound loss on a KN3000 so actual outright failures of main voice boards have been zero. If you go back to the really old ones then there are more serious faults but then not many people want SX55 organs anymore!

Best wishes

Dave Tutt

Posted on January 14, 2017 at 11:27 PM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

Thanks Dave,I was writing for my friend who live in Pennsylvania US, He had send is main board to Japan for repair.He recieve it in good condition.
But now he is looking for another main board in case
I know itsvery rare to find this main board
Thanks again

P/S where still working to find this mother board
The KN7000 its the great keyboard

Posted on January 16, 2017 at 2:26 AM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

Hi, The problem with the main board of the kn7000 is he cannot download some custom styles
Maybe some one can help him to repair is mainboard
Thanks in advance

Posted on January 23, 2017 at 12:39 AM

RMepstead

RMepstead
United Kingdom

Total Posts: 169
Joined: May 28, 2014

Re: KN7000 main board

Hi HB.
I am not sure that because he cannot 'download some custom styles' that there is something wrong with his main board.
First of all my thoughts are; what does he mean by download.
Does he mean he is unable to access custom styles that are already in his KN7000.
Does he really mean CUSTOM styles.
Does he mean UPLOAD custom styles to his KN7000 which he has found on the internet.
May I suggest he signs up here and goes into some detail about what exactly he is trying to do rather than you trying to explain your understanding of it. No disrespects.
Best wishes
Rog

Posted on January 23, 2017 at 11:38 AM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

Hi..I just contact my guy and he told me when he upload a custom folder --CST from is sdcard ,the screen when black.
And after 2 weeks he open the kn7000 and it works again without uploading some custom folder styles
Its only when when he download these custom folder the kn kn7000 crash and the screen go blank (black)
Thats why he told me its a main board problem

He have 2 kn7000,one its works fine but the other kn 7000 dont upload the CST flles
Thanks again

Posted on January 23, 2017 at 11:17 PM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

Hi,,Well the problem is resolve
In the floppy disk (custom style) .CST there was a virus Thats why each time he download the custom styles ,the kn7000 crash with the screen black.
It was analyse with the Panda antivirus
I remember many years ago I have read in a forum that when you unplug the keyboard for one week and after you plug in again the keyboard will reset
Thats why when he was loading the floppy disk (virus) the keyboard crash
Now he is very happy and he thank you for your help

Posted on January 25, 2017 at 1:06 AM

RMepstead

RMepstead
United Kingdom

Total Posts: 169
Joined: May 28, 2014

Re: KN7000 main board

Great news. Thankfully virus are very rare with keyboard technology. If he can remember where he got that .cst file from we ought to warn the supplier.

Posted on January 27, 2017 at 1:14 PM

hbinfo100

hbinfo100
Canada

Total Posts: 47
Joined: June 10, 2014

Re: KN7000 main board

Hi,,What happen is that he download a software for free,(any dvd)and in the software there was a keygen.exe
Soe he went to purchase of the Panda anti virus He run it and the result was a hidden folder and it was the keygen number of the the software
so he delete the virus and after he deinstall the software
And after he download the custom styles and the keybard was running good
Before he use to have the Microsoft essential anti virus and he did not find a virus
So thats why he bought the Panda anti virus and the problem was resolve
He got the custom folder from a German friend
So his custom styles was not the problem

Posted on January 28, 2017 at 2:38 AM

TerryThin

TerryThin
Australia

Total Posts: 5
Joined: November 10, 2016

Re: KN7000 main board

Can anyone help? I have a problem with my KN7000. When switched on the sound works for about 10 to 15 seconds, then crackles and goes off completely. No sound from internal speakers, earphones nor external outputs. All other functions appear to be on. Could not get the Sound diagnostic (page 10) to "run sweep". Even after selecting any line using the top left sound buttons .
terry thin
Australia

Posted on May 4, 2018 at 5:48 AM

davetutt

davetutt
United Kingdom

Total Posts: 166
Joined: January 12, 2015

Re: KN7000 main board

This is an issue I have written about here before. The power supply and amplifier board needs a rebuild, and I advise that the two 15 volt regulators and the transistor for the 5 volt regulator at least be moved to a heatsink mounted over the rear panel sockets.
The regulators and the electrolytics associated with the power lines all need to be replaced.
This solution will prolong the life of the keyboard especially in hotter climates.

Posted on May 4, 2018 at 7:39 AM

TerryThin

TerryThin
Australia

Total Posts: 5
Joined: November 10, 2016

Re: KN7000 main board

Many thanks Davetutt. I trust the above reply is in relation to Terrythin 'NO SOUND' problem above?

Posted on May 7, 2018 at 6:17 AM