Question about Korg Pa50 Professional Arranger Keyboard with SD Card Slot

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When i turn my org display is empty

My system don't operate and display is only turn on but every bottom not work

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It is power supply regulator problem.
In the regulator circuit, DC 12volt from adapter is separated into +8V, -8V, +5VA, +5VD. Some causes when the unit hang /blank/ frozen is one of the existing supply voltage is drop. In general, +5V.
Also check the adapter voltage, if still normal and the current is sufficient.
Adapter must have DC12volt and current of at least 3 amperes.
It may happen, when the adapter is measured without load, it's read normal 12v, but when loaded to turn on the keyboard, many voltage decreases (lets say,between 8-10v).
This indicates that the adapter is not good and need to replace.

Posted on Sep 01, 2015

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Posted on Jan 02, 2017

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