Triton screen into a trinity help please.

Discussion relating to the Korg Triton Classic.

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shirreff
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Triton screen into a trinity help please.

Post by shirreff »

Hi,
Can anybody tell me if a triton screen will fit into a trinity, I have the chance of a screen to replace a broken trinity screen but it is from a triton.
Does any body know if they are the same?
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Sharp
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Post by Sharp »

Yes, they are the same.
http://www.guitar-parts.com/products/23 ... rinity.htm

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Post by horsegrip »

Sounds like a stupid question, or not if it works.
But will this screen fit into the rack?
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Update and very happy, please read.

Post by shirreff »

I thought I would update my progress on the screen for my Trinity.
I bought a second hand (broken Triton) with a working screen and transplanted it into the trinity and that screen also did not work, so I powered up the screen using the small circuit board from the triton, but alas that board did not fit on the trinity so i compared components. I have a testing device and checked all the capacitors and found a dead one right next to the power output for the screen. I took the good one off the triton board and soldered it onto the trinity board and hey! presto.. It worked.
I could have saved my self some money if I had checked out the board in the first place but I am glad i discovered the fault.

I plan on replacing the capacitor on the triton board so I can at least sell the Triton for spares.

I need a bit of help there, I found the faulty part but I don't know for sure what it is. I think it is a capacitor because it says Fu1 on the board and after much searching on the net that was the result I came up with. But it looks more like a type of Diode and it is plain green with no stripes.
It has F1a (I think) on it but it is very small.
Any help there would be great.

I don't hold out much hope of getting the triton fully working as my dog jumped on one of the circuit boards! but as long as i can prove the screen works it should be saleable.
Korg I3, Korg M1, Korg Tr Rack. Korg x3, Cakewalk Sonar.
shirreff
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Post by shirreff »

I've worked out it's a pcb fuse.
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shirreff
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getting there

Post by shirreff »

Updating my progress on the triton repair. I managed to get another motherboard and I am getting sound out of it!
The screen still has lines all over so I think that could be a fault with the circuit board that powers the screen.
It is very difficult to read the screen but I hope to get over that.
Any Ideas on the above would be great.
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apex
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Post by apex »

I am following your progress very closely. I've damaged the screen on my Triton and I need to figure out what happened. I was fixing one of the keys (the record button) and I did something that caused the screen to stop responding to presses. I could hear the sound as if I pushed the screen, but there was never a response. I could not get to the calibration feature either... I continued to mess with the screen (trying to see if I'd disconnected something), and I ended up pulling the connection lose that is directly on the screen. Not the part that one that connects to the motherboard, but the one connected to the screen...

If you look in this picture it is the blue part. Image

I think it (the blue part) just slides into the black thing that is connecting to the screen. I tried just sliding it back in, but I'm not getting anything on the screen now. The keyboard boots up fine and I can hear sound when I play the keys, but there is nothing coming up on the screen. No backlight at all... just a dark screen.

Any help at all in this matter would be greatly appreciated. I do not really believe the screen is completely dead. I think I may have deadened something on the board similar to what you did.

PLEASE HELP ME!!!! I don't have the funds right now to replace this screen. And I could have sold the keyboard twice in the last few months, but I really wanted to keep it. It's one of the very first really nice things I bought and paid for all by myself when I got out of highschool... 10 years ago. This keyboard is very important to me.
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Post by shirreff »

It sounds like you have damaged the ribbon, if it is come away from the end that touches the screen it will be quite a problem. If the screen was beeping but not responding was it still lit up with anything readable on the screen?
If yes then I would say the ribbon is damaged or maybe it just needs pushing into the circuit board.
You will have to look closely for any cracks on the ribbon at the point where it connects to the screen. If you find one then that will be your problem.
If the screen is not lighting up it is probably the fuse FU1. The little green one I mentioned. You may have blown it when trying out things to make it work.
If the screen lights up but is totally blank then again it will probably be the ribbon as that sends and receives all the signals.
It sounds like it could be repaired but it won't be easy, if you have damaged it then it stands more of a chance of being fixed than it would if it died on it's own.
here is an idea, I have a broken heated rear window on my car, I have heard that metalic paint will fix the broken connection. It's the same theory with the ribbon.
It's a long shot but I guess it's worth a try. there might be something on the net for repairing heated rear windscreen which would be a good place to start.
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apex
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Post by apex »

yes you could see everything on the screen. (before I pulled that ribbon from it's connection)

now there is no light coming from the screen at all. is there a way to tell if that fuse is blown, just from looking at it? and where can i get a replacement for that fuse?

what do you mean metallic paint will fix it? (i know what you mean, but how will metallic paint fix it?)
shirreff
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Post by shirreff »

Hi,
I got my fuse from www.ghd-repair.co.uk it is a 1 amp circuit board fuse green. I think I found it on Ebay.
You would need a circuit tester to test the fuse. If your screen does not light up then it will most likely be the fuse.
I think your ribbon problem is the biggest problem.
By paint, I mean paint the crack on the ribbon to establish the connection, it is a long shot and you would need to make sure nothing crosses over to any of the other lines on the ribbon.
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apex
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Post by apex »

WOW> And on top of that I just called parts is parts, thinking i was going to be able to purchase just the ribbon cable. but they said it is all part of the screen assembly...

just crazy.... i'm sick as i can be right now. entire perfectly good korg triton classic (pro x) down the drain...

just sick.
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