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Joined: Jun 2021
Posts: 1
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Hello,

My wife just acquired an 1993 HQ300 that has what looks like a MX100II built in controller. We bought it knowing this issue and it still plays disks and I can stream to it with Bluetooth MIDI. I called Yamaha and this display is still available but I wanted to ask if anyone here has any thoughts on this. I would hate to buy one and it still not work. I have already reseated the connector from the LDC to the main board with no success. Hopefully the image link works.

Thanks Again
Link to photo


[img]https://1drv.ms/u/s!Aj7gU-E0dUdhgvEyxmB91KHrZ_jQwg?e=qYPeBb[/img]


Hankster
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Do you realise that there is a digital piano section in this forum?
Ian


I'm all keyed up
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I think the MX100II is a Disklavier, not a digital piano. Waiting for PRO-tac to chime in!


Semipro Tech
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If there are characters on the lcd, the pattern is broken due to a leak in the capacitor of the LCD unit. Replace the capacitors and correct the pattern and through holes.
See the following URL.
https://photos.app.goo.gl/gHDwUWJHWw6AQ9577


--------------------------------------
Pro-TAC tuning and repair service.
pro-tac.jpn.org/
--------------------------------------

Joined: Nov 2004
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PS.
Please change the withstand voltage of the capacitor to 50v from 35v.


--------------------------------------
Pro-TAC tuning and repair service.
pro-tac.jpn.org/
--------------------------------------


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