Question about Korg Pa800 Synthesizer

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Hi my keyboard problem some time the screen turn on normaly and some time not i have to turn it of again how can i fix it tnx

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It is possible that there iis a compnent failure in teh POR (Power-on-reset) circuit. This is NOT DIY unless you are adept at electronics. I do NOT have the shematic for this keyboard. I looked at the schematic for a PA500 which MAY be similar and it has a touch screen. SOMETIMES dirt gets under the edge of a touch screens and confuses the processor with a false input. If yours fits this scenariom you might try running a piece of copy paper under the edge where the case hits the LCD screen.

Posted on Jan 04, 2011

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Posted on Jan 02, 2017

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I have a Yamaha PSR 2000 keyboard. You can not see the keyboard. It lights up but you can not read anyting on it. It is blank. Can it be replaced what part would one need to fix the problem? I had scr


If you have a light behind the screen then the backlight is working. It could be a connection from the board to screen but this is very unusual.

These screens have been know to fail and will need replacing.

HOWEVER

The screen is not a simple and requires an extra driver board and various components to be replaced/changed. You will need soldering equipment for surface mounted resistors etc if wish to undertake this.

The replacement kits including the screen cost around £ 400.00

Have you tried a factory reset?

Hold down top / highest white key whilst turning the keyboard on.

Good luck

Jan 05, 2015 | Yamaha Music

1 Answer

I have a Yamaha PSR-275, for YEARS I played it and one day I turned it on and I started practicing and when I hit one random note (don't remember which one) the whole keyboard turned off. Turned it back on...


My guess is the power socket has failed, a very common fault.
To test my theory plug in the keyboard and turn on without pressing any notes. Move the plug where you plug it into the back of the keyboard from side to side and see if the power turns off. If it does you need to replace the the input socket and probably reinforce the solder tracks on the PCB as they often break. If you can solder the part can be found here or take to a local repairer who should be able to sort it out quickly for you.


HomeContact Us About UsAll CategoriesAmplifiersBanjoBaritone Horn...

Jul 12, 2014 | Music

1 Answer

Technics PR-305 Digital Piano


It sounds like you are in need of a new piano. These are common issues with keyboards. The age is a big factor. It would cost just as much in repairs as it would to buy a new keyboard.

Jan 24, 2014 | Yamaha PSRE413 Keyboard

1 Answer

I have a new DGX. My problem is when I want to add a dual voice to the piano. I press the portable grand button then hold the dual button till the violin voice appears then select the voice I want and...


HI, Let me answer the question.

1) Select the DUAL VOICE (not portable grand ) button and hold for longer than 1 second.

The choose voices required.

If you press the Portable Grand button this resets the keyboard top a piano.

I hope this helps

Dan
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May 19, 2017 | Yamaha DGX 640 Keyboard Arranger

1 Answer

Keyboard does not turn on


Locate the fuse on the keyboard. Possibly blownout

May 15, 2013 | Casio WK3800DX 76 Key Digital Music...

1 Answer

Lscreen problem


Look at the back of the keyboard,there is a small knob that controls the screen clarity,turn this to fix it,if that don't work,you need to get the screen replaced.

Feb 03, 2013 | Yamaha PSR-S500 Digital Keyboard

1 Answer

When i turn off and switch on again just get blinking screen with no data or function at all cant turn keyboards power off or on ?


If you are using battery power, replace them... if an adapter, chaeck the adapter is the right one and is making good contact. More than this you will need to have it serviced.

Feb 12, 2011 | Casio CTK710 - Pianos & Keyboards

1 Answer

Price and purchase of piano


good day sir, try the link below hope you like it.

piano

Jul 27, 2010 | Yamaha Portable Keyboard

1 Answer

DGX620 blank blue screen and "hum" when I turn it on


Try the contrast control. My DGX505 suddenly had a blank blue screen, I found that mygrand daughter had been fiddling with knobs and switches and discovered one I hadn'y noticed. On the 505 ot is located on the rear panel right next to the USB port. A slight tweaking of the lnob and all was restored. Heart attack avoided. And I learned something from a 4-year old.
Hope that is all it takes for you too. Good luck!

Aug 14, 2009 | Yamaha Full-Size Keyboard

1 Answer

Does not fully poweer up


I had the same problem. You might try the keyboard on good fresh high quality batteries. If this solves the problem, buy another ac power adapter. Good luck!!

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