Top 20 Korg Pa800 Synthesizer Questions & Answers

Seems processor board not starting. Here is user manual KORG Pa800 2.0 User's Manual (E12) Here is service manual KORG PA800 SM Service Manual download, schematics, eeprom, repair info for electronics experts (elektrotanya.com) It may help you.

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I suggest a hard reboot / initialize. Istructions are in your manual or on the Korg website

The details are highly confidential and have only ever been released to engineers under Non Disclosure Agreements, who work closely with Korg in the design process. If anyone tries to tell people about it on the forum then a breach of an NDA has occurred and whoever did it could be sued by Korg. The person posting those details could have their account on the forum suspended. Please understand that there are very good reasons why Korg want to keep those details confidential. The functions were designed for use in the factory when the keyboards are manufactured. Two of the functions can completely wipe the internal SSD and the boot EPROM rendering the complete keyboard unusable. One of the circuit boards would have to be returned to a factory for the chips to be re-initialized using specialist hardware plugged directly into the CPU board. The necessary hardware to re-initialize the SSD and Boot EPROM is not even available to Korg service centers. If you are someone who has discovered the way to access the system diagnostic menus, then there is a high risk you will completely trash your Pa2x/ Pa800 etc, turning it into a "brick" that will no longer be capable of reloading the OS or factory data. Korg representatives have said to us several times that damage caused in this way is NOT covered by warranty. If two of the functions in the system diagnostics menus are used, then to get the keyboard working again, service centers will have to replace the complete "main board". This is the board which contains the SSD and boot ROM chips. You are looking at a repair cost of over $800 plus shipping.

Hi Mosh i know this problem , the nand ic on the mother board is fault, you need change the motherboard

Sounds like your keyboard screen is going bad, You need to contact Korg and order one, you can do it yourself or they have authorized repair shop around your house. Good luck

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Have you tried touching the screen with a pen, or stylus. Or even your finger nail? My KORG does not work well with fingertips, needs something harder.

Carlos Hi despues de formatear el equipo todo tiene que volver como recibistes el pa 500 nuevo de fabrica

Make sure all midi and usb settings are correct on both ends. Check cables. If all else fails try factory reset.

Hi Peteropen the instrumet and change the rubber contact

You just the device unpowered, you can try uninstalling and reinstalling the SSD Side Module to reseat the connectors to check it's not bad contacts causing the problem. Also check there aren't any bent/broken/missing contacts visible in the side module or the SSD itself.

try detaching the keyboard and reattaching it

I recommed to use USB Image Tool, a free small program which do the job. It is somehow slow on backup process but it is eficiente. Try it!

Read your user manual about keyboard split. OFTEN the rhythms use the keys below F sharp for the chording of rhythm. When in this mode, you should restrict your melody to notes above F sharp that is to the left of middle C. If you play melody below this it will confuse the rhythm chording. You can likely change the split point of the keyboard, however, the F sharp split is the standard and I would suggest staying with it.

After updating the firmware, you likely must do a factory reset. This is probably required so the keyboard will read and decide how much ram actually exists. At this site do the "factory reset" version:

http://www.korgpa.com/pa_root/en/products/pa800_soft.html

It will require repair. I suspect by you description that the D-A convertor has failed. This is a chip that is far beyond a DIY project to change. Do further testing to make sure the power supply voltages are correct and that headphone output sounds the same problem.

Here is your service manual: http://elektrotanya.com/korg_pa800_sm.pdf/download.html

Scroll down to "get manual" and click to download the manual. IGNORE other download links.

Service Manual:
http://elektrotanya.com/korg_pa800_sm.pdf/download.html
Scroll down to "Get manual" and click to download. Ignore other download links.

The splicing of rhythms to play seamlessly would be tricky. Also you need to consider if you might be exceeding the number of generators available. If you are splicing external samples, that take great care and a lot of editing. Part of the problem is syncronizing the clocks of individual samples. It is hard to avoid glitches and changing mode of clock and quantizing will expose these glitches.

There is a contrast control. Look for it in your user manual. On page 14...bullet #25... You press the menu button and hold it and rotate the dial to adjust the contrast.