SX-KN400 service manual/help


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Hi,

I got a Technics SX-KN400 which is not working for free.
I want to repair it but I have not found a repair manual to download and I do not really want to pay a lot of money to get one because it does not worth it for me.
First I checked the PSU section and the 20 volts are there, fuses are not blown.
Then I dug deeper, and noticed that there is something missing next to the amplifier IC (I gues it is a voltage regulator, but which one?)

So yeah if you have the service manual for this keyboard please send it to me or maybe if you have the keyboard itself I would not mind if you would check the number of the missing component for me.
Thanks,
 

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maybe on ElectroTanya.com
or www.manualslib.com
I think the kn450 is nearly the same
mris
Hi,

Thanks for the reply!
I have not even found an SX-KN450 just the SX-K450.
As I see it has quite a little in common with my keyboard.
It seems that the SX-KN400 is part of the KN200, 220, 440 family, but there's no available service manual, just the user manual.
I've searched for it everywere, but no luck yet.
 
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