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I have a korg trinity plus and it wont boot up. it displays system error with long list different codes

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I have the same problem too..:(

Posted on Dec 20, 2011

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G'Day
How did you get on with your keyboard. What codes are you getting?
regards robotek

Posted on Aug 20, 2010

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No sound third octave on korg trinity pro x 88 keys


After gaining access to the inside- carefully remove the ribbon connectors (plugs) and reseat them. If that doesn't help have a tech. look for bad op amp.

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Can somebody post the PA800 Diagnostic Menu Command


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.

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I can`t load the OS in my KORG PA 80. No way to make it work. I think than the problem is the mother board.


Have you tried it with batteries? Are you sure the power supply is working correctly? It should not need the OS to operate as a keyboard disconnected from the computer.

The cable connection is just a MIDI cable that uses opto-isolators so the 2 items are electrically isolated from each other. The software driver for the Korg should load without problem. The Korg program itself may be looking for inputs that are not there when the keyboard is off and the program itself reaches a stop command.

If the PA80 will not work on just the power supply- the power supply can be the fault- it has an internal fuse. Finding a similar supply with the same coaxial plug wired the same polarity is the way to test it if the battery option is not available.

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Hi i got the korg pa50sd when i swith it on it shows me korg pa50sd boot loading files then this goes off, still the light on display is on but blank display with nothing on it ,. i was trying to find any...


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.

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Hi. My Korg X5d shows a sequence of small squares in the display panel and will not boot. Can you help?


You need a reprogramming done from the Maker . Contact Authorized Korg Service center . Be away from frauds.

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Our church has a Korg M50-88 synthesizer. The sustain quit working and we have tried 7 different pedals. Any suggestions?


It may not be the pedals as the fault can be oriented within the set.
So I think you can open the back of the set and check for all connections to be tight , remove and refit.
If this wont solve it is not adviseable to check this higly intergrated PCB without a help. So consult the Korg service.

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I am looking for a 'board' that goes inside a korg trinity keyboard that holds the inputs, anyone know where i might get one please?


Here is a link to a company that is considered as the best supplier of parts for Korg products:http://www.korgparts.com/ Contact them and they will be able to help you.

Aug 22, 2010 | Music

1 Answer

The left/mono output of my korg trinity is lower volume than the right..also the head phone output is a bit crackly?


The output jacks sometimes become disloged from the circuit boards,
also make sure that the pan is set to 50/50

Dec 04, 2009 | Music

1 Answer

A broken key on my keyboard Korg Trinity


I just fixed this exact problem today. It took me a while to figure out how to get to the key bed, but it's not impossible. I'll try to retrace my steps and describe them as well as I can:

- Turn the keyboard upside down on a table with the joystick hanging off the table. To make my directions easier to follow, the joystick should be on your left. When I say "front", I mean towards the keys, "back" towards the knobs.
- Have 3 cups for the different types of screws you'll find. A magnet-tipped screwdriver is *essential*, as some of the screws are hard to get to, and you don't want to lose them in there.
- Start by removing the bottom plate.
- Remove the right side panel -- there should be three bigger screws towards the front, and two smaller ones way down towards the back.
- Here's the tricky part... unplug all connectors from the center board. You might want to take some detailed pictures before you do that because there are some empty sockets on the board. It's actually easy to figure out what goes where because most connectors are of different sizes.
- Unplug the two red connectors that go to the left side of the key bed, and the one that goes to the small board on the key bed, but NOT the small white one. That's the aftertouch cable and it doesn't need to be disconnected.
- Unscrew the center board from the horizontal rail in the middle of the case. There should be 4 screws and a cable tie is connected to each one. There are 3 black screws in the back around the digital output slots (there wasn't a digital card on the Trinity I worked on.) -- unscrew those and remove the board VERY carefully not to pull any wires along the way.
- There are two silver plastic grounding slips -- one on the far left, one on the far right. I know you have to remove the left one, I'm not sure about the right one, but remove it just in case.
- Unscrew the long aluminum piece at the very front, the one that is under the keys when the keyboard is right side up.
- Unplug the small connector off the floppy drive. You can leave the ribbon cable connected. The are 4 screws (I think) that hold the floppy drive in place. Unscrew those and remove the drive.
- There should be 1 more screw holding the key bed in place, and it's right by one of the floppy drive screws. Get that one out and pull the key bed upward using the metal piece in the middle -- it may be stuck to the horizontal rail, even though it's unscrewed. Pry it up gently with a screwdriver if you have to. The key bed should come out. If it doesn't, check what might be keeping it in place. Don't ever force anything out of a keyboard.

OK, that's part one. Part two is fairly easy...

- Set the key bed on a table. Remove the long plastic strip at the top.
- To remove a black key, first you have to remove the two surrounding white keys. Grab the bottom part of the key (where you play it) and push towards the top (where there's a square hole). Pay very close attention to how the key is removed, because reinstalling it is the same way, just reversed (obviously). There's a flat spring underneath the key, don't worry if it pops out. It's pretty self-explanatory how to put it back.
- Remove the black key in the same manner. Most likely, the little tab that hooks the key onto the key bed is chipped or broken. In any case, you will need a new key -- unless, of course, it was just the spring that popped out.

Follow the instructions in reverse order to put it all back together. I typed this by memory, so I may have skipped a step or two. Taking this keyboard apart wasn't as easy as I expected, but not as hard as it looked. It just takes patience and being careful.

I hope this helps!

Apr 06, 2009 | Music

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