Hi, I have a korg D8 recorder and that i use pretty regularly.One day i switched it on and it was completely dead - no lights, nothing. I've tested the power supply (the one it was supplied with ) and it still has power - am at a loss as to what to do next. Hope you can help

If you have electronic expeerience, take it to a repair shop. You can cause more damage okiong around if you don't know what you're doing.
Past that, contact Korg customer service for the schematic and parts list. The part should be available from Korg directly of from Mouser
http://www.korg.com/us/support/contact
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From the original site of korg (http://www.korg.com/Support) there is nowhere the model u r describing.Please make sure u have posted the correct model description.

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.

Please check this link below and request for the manual to be downloaded.

http://www.korg.com/support

Here is a link to the manual on Korg's site.

Good Luck!


http://www.korg.com/uploads/Support/SoundOnSound_OM_EFG1a_634032050854920000.pdf

It is asking for confirmation that you want to initialize the unit. The manual doesn't say anything about this... but you should try pressing the "Yes" button to confirm you want to initiallize the unit or press no if you want to staart without initializing.

NOT a fuse... thaat person knows nothing. There is something wrong for sure. Check if one of the buttons or keys MIGHT be stuck down (depressed). Sometimes the units check that all the control buttons are up and they don't really tell you why they fail to start. Beyond this a repair shop is in order.

check to see if your in monitor mode, seems like yout not

Somehow proper save and shutdown was not done. You said the magic word PANIC... That is a deadly word in this situation. So first thing like for lost files on a PC is to look around... carefully. LIKELY the files are still there, just under a different folder or imbeded in another project. These systems do a pretty good job of not letting one clobber their files without confirming AS LONG AS proper shutdown procedure is used or power doesn't fail. The five tracks you might have forgotten to save...but the other should be there.