NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement

Hello Peter,
thoroughly wash the board with alcohol and carefully check the soldering points with a magnifying glass. You can also try to move the pins of the ICs with a small screwdriver (cold soldered joint).

Where can you buy adapter for SSD1305?

Hi friends,
I’m a little lost I tried a method of J4rek nivona v2r1, and I got the wrong reference of components and pins, and now my lcd doesn’t turn on anymore.
I will buy a new screen and I want to know the components and their size.
I’m not very familiar but I’m trying to do well. I want a clear explanation for a beginner for the J4rek (nivona v2r1 ) as simple and clear as possible. I see here a lot of solution but I am lost.
Thank you very much.

Do you have any tips on how to solder TPS from an old board?

Hotair plus artillery to smd.

Desolder not a problem, "how to solder to a new one"?

Similarly It is best to clean the soldering points of the circuit with a braid, flux and gently tin the soldering points on the board. Put the system on them and after heating it should arrange itself nicely.

This is a thought. Thanks great master.

What could be the reason if the display does not turn on at all?

There are these states among others.
1. The display is black but the machine makes driving noises when turned on.
Here the fault can be found in the display module.
2. The display is black and there is no driving noise.
Here the fault lies in the display module or the motherboard.
If you have a working display, the error is easily attributed.

Initially, I attached a display with no additional layout and the image was just inverted. I ordered the tiles from the project, soldered everything and now it does not work, the display is dark, no coffee sounds. In my opinion, everything soldered well. When I measure the voltage + 3.3 V and GND, I have about 1 V and it's strange, because previously everything was going only the image was reversed.

It seems that it is not well soldered or some circuit / component is damaged. This low supply voltage indicates an overload or short circuit, so the main processor does not start, so there is no noise of the machine. I propose to unsolder the plate and measure the resistance between pin 1 and 2 (VDD) and 1 and 3 (VBAT).

I wanted to order a circuit board (the NIVONA SSD1305 ADAPTER V1r2 gerber files)
Unfortunately I got an email from support.



Hi Sir,
Well got your order with many thanks~

Sorry to bother you, but there is an issue that we want to confirm with you before proceeding.

As shown below, for these 0.4mm holes, they are too close, we can't make them.
Coud we change them into a cutting line to proceed?

Your early reply will be highly appreciated!
Thank you so much!

Is it okay or must I have done something wrong?

VG

It's ok, you can change it / have it done as a cutting line.

Hi could anyone help? The center panel of the display is destroyed. Has anyone made a plan for this? I would buy the plan if anyone had it. You want to make the board. I attach a picture of what it is about.

Good Morning,

So that I understand everything.
I bought 1x small board and 1x large board from J4REK version.
If I use the old board from the display, do I take the small circuit board and only have to buy the components?
If I throw the old board away from the display, do I have to take the large circuit board and put the components on it?
Is it right?
So you have 2 options right?

1. Option - small plate plus replacement of the oled on the old top plate.

2. Option - we only replace the top plate (new oled plus smd elements obtained from the original top plate).

Hi guys, many thanks to all who helped my coffee machine work again, especially Amigos and Satanistik. I was able to manufacture the display replacement using two different displays. I met a few problems including low voltage due to resistor 120k (solved by lowering the resistance down to 100k) and breaking the display while trying to stuff it into case , but finally everything works fine and I have a few spare satanistik/amigos PCBs and a bunch of components.
Is anybody interested in buying the enlivened PCB with display and 20pin male connector for the main module board for let's say 99€ plus transport fee? Alternatively if you sent me the whole Nivona display module, I can replace the PCB+display for you, for free . 5€ from order will be sent to Amigos/Satanistik if they give me the permission. Little patience will be needed as I currently have no spare display but I can order some. I live in the Czech Republic. You can sent me a private message or mail to miji2 at volna.cz
DO YOU WANT ME TO REPAIR YOUR NIVONA?

Don't know if this is the right place for commercial offers...
Well, I offer the same thing on Ebay and also for EUR 99 - shall I do some advertising for it in the forum here as well?
Ok, it's up to the Admin of this forum I guess...

melse wrote:

Don't know if this is the right place for commercial offers...

Well, I read the forum rules carefully before posting and it is not forbidden - It's good you posted your offer here as well, I saw here quite a few desperate people willing to pay for it

miji2 wrote:

5 EUR from the order will be sent to Amigos / Satanistik if they agree.

Hi

I treated the project as a challenge that has already been solved, or even several solutions I was not profiting from it and I am not going to. If you manage to use it, then "bless you" I am glad that we managed to do something useful with our joint efforts.

greetings

On olx, someone is selling it too, and rather cheaper than 99 Euro.

Hello
I used the solution from the Dragon. I cut the pins connecting the boards, mounted the adapter (a system to invert the image display) and added a 20pin plug socket to the display board and a new display. Now it works like "new". Thanks to Smoczy.

hello everyone
I come back to your help once again. I fixed my screen last year with an ssd1305 and the pcb modifier from Smoczy. so I bought a new machine to repair and I'm looking for a pcb to fit on the 1305 if any of you have one to sell I'm a buyer 🙂



Thank you, have a good day
Romain

Hi everyone. Many thanks to Amigos and Satanistik. Nivona now works like "new".

Hello
Does anyone have a small plate to sell?
I need to replace SSD1303 with SSD1305 for another project
I mean the display, all lines are only mirrored I have to experiment.

Hoi,
I can send them, you just have to pay for the transport.
I think I found a dealer who should actually have these.
After that, these will cost no more than 40 euros and are available worldwide.
I have already tested everything, also with the reverse image content.
But two years ago I put the project on hold again.
So, as I said, the subject will soon be resolved for everyone.
The offer for hobbyists
https://www.dicofema.de/de/nivona-nivona-disp...erie-intake-elektronik-defekte-vergleich.html
The offer is for people who want to drink coffee straight away and want to switch off their devices properly with the on and off button, so the display lives again for almost forever.
https://www.dicofema.de/de/nivona-display-8er-serie-intakter-display.html
[F]

@ madamsz1 I have small tiles for sale. Are you talking about these?

Yes, I meant the small ones, but I already made a PCB according to the design of this colleague. The machine has changed LCD to another one and has been running smoothly since then.