Yamaha EL-90 Support Question
Yamaha EL-90 Support Question
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Question posted by ostragobulus on September 27th, 2022
Yamaha El90 - Pu Unit.
Where can I buy a PU unit for my Yamaha EL90?
Requests for more information
Request from ostragobulus on September 28th, 2022 12:46 AM
The problem is I bought an EL90 which appeared to be working but in fact had been fitted with an EL70 PU unit. The EL70 uses the same PC board minus the mid frequency amplifier so no sound comes from the mid range speakears. I am looking for a EL90 PU unit working or not.
The problem is I bought an EL90 which appeared to be working but in fact had been fitted with an EL70 PU unit. The EL70 uses the same PC board minus the mid frequency amplifier so no sound comes from the mid range speakears. I am looking for a EL90 PU unit working or not.
Request from ostragobulus on September 29th, 2022 12:43 AM
Thank you.
Thank you.
I have downloaded the Service Manual and in fact all the components I need seem to be readily avaiable.
Rebuilding the circuit board is my final option but obviously it would be nice if I can source the correct PU.
Thank you again for your advice.
Current Answers
Answer #1: Posted by hzplj9 on September 27th, 2022 8:23 AM
hzplj9
Member since:
June 25th, 2012 Points: 4,873,510
Member since:
June 25th, 2012 Points: 4,873,510
You can fix it by replacing the capacitors. This is the info.
It may be only secondhand parts that are available so a repair is your best option.
Hope that helps.
Answer #2: Posted by hzplj9 on September 28th, 2022 1:41 PM
hzplj9
Member since:
June 25th, 2012 Points: 4,873,510
Member since:
June 25th, 2012 Points: 4,873,510
I have found a service manual which would give you the circuit diagram. It may be a viable option to fit the components that are missing. It may not be what you want to do. I understand. However for non available parts one has to resort to different measures. I have done this before and it is not an easy task.
https://www.imoose.nl/electone/details/manuals/Yamaha_Electone_EL-70_EL-90_servicemanual.pdf
The other option is to search the auction sites for a reclaimed unit.
Good luck with whatever path you choose.
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