Tyros Keyboards (5 Boards) > Tyros 4 (SFF2)

Tyros 4 Panel Lights fault.

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musicalmemoriesuk:
My Tyros 4 has developed a fault on powering up the panel lights come on the dim but none of the blue lights are showing or the white light for the music finder.

AlBags:

Hi ...

There is a method of entering a full test diagnostics system on most Tyros's
I believe it is entered using the C# chord (of three notes) 2nd octave up.

I had a look on the web .. and there isnt much. There is something in a post on another forum .. here, which talks about using the test diagnostics. This was for an early Tyros, but I'd try it to see it it works.
http://www.synthzone.com/forum/ubbthreads.php/topics/166412/Problem_with_Tyros_Can_anyone_

I would try a test first before anything else.! That's if it does a self test on the lights.
Probably end up having to do a Factory reset, so back up your user stuff.
Hopefully, someone else here will know the T4 better!

Al.

Marty:
Tests 24-27 check the panel leds on the Tyros 4 per the service manual.

Marty

musicalmemoriesuk:
Could it be a cable as its affecting both the right and left board?

Mosquitos62110:
Hello,
For the test of Light, download thé service manuel here:
https://elektrotanya.com/yamaha_tyros4_trs-ms04_sm.pdf/download.html

Christian from France.

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