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

It should - the question is whether it is functional

źle, usuń!

Vielen Dank an alle.
Ich habe hier viel Wissen gelernt. Es ist einfach, das Ersatz-OLED von Nivona bei Google zu finden. Ich habe viele Lösungen gefunden, um mein 830-Gerät zu reparieren, aber die Lösung, PCB+OLED selbst zu kaufen, ist es offensichtlich auch viel Ärger.
Endlich habe ich einen Händler aus Ali gefunden.
Es handelt sich um ein originales 2,42-Zoll SSD1303 OLED. Ich habe es direkt verlötet und es hat normal funktioniert. Das Display ist sehr schön.
Abgesehen von der gelben Farbe ist alles andere in Ordnung. Natürlich habe ich dem Händler nicht vorab mitgeteilt, welche Farbe ich haben möchte.
Hier ist die URL: https://aliexpress.com/item/3256806256163326.html?

I have 2000 of these displays in stock. I'm willing to show off 100 pieces for 800 euros.
Display dark, still partially visible, but dark, tested, checked.
LG

@dicofema
Is the topic still relevant? Which display model is this? priv: imdudek(_at_)op.pl

>>19211441
Dear friends, I assembled the board according to your gerber files (1st version large board without cutouts), the image is still reversed. I assembled 2 boards and everything is the same on both boards. I checked everything, changed all the components and put new ones (except 4078bm, I have one). IC3 seems to be not working, if you remove it nothing changes, voltage on VDD and GND is 2.7-2.9V, OLED SSD1305z is white, what could be the problem?

Added after 1 [hour] 3 [minutes]:

I managed to start the display correctly, the problem is insufficient voltage, IC3 starts with at least 3V power supply, for me the maximum voltage between VDD and GND is 2.9V (or 2.7V). I took the voltage from the 3rd VBAT pin 5 V and stabilized it to 3.3 V, I applied this voltage to the 2nd VDD pin (+3.3 V), the board started and works properly.

I wrote about this once when designing a small board - apparently you have systems that do not work stably with such a power supply. On my small board there is an option to install a stabilizer giving 3V3 with VBAT and switch it with jumpers.

Hello
I will buy an image reversal board. Contact me on priw.

Does anyone else have a disc to resell?

Привіт всім. Підкажіть, а які самементи потрібно встановлювати на плати? Бажано обох версій. Мене цікавлять в основному конденсатори. Не зовсім розумію, якого розміру та номіналу повинні бути (те що обидва 16 Вольт побачив, а скільки саме ємність, то не розумію в значеннях. 4.7 µF і 100 nF, вірно?) Сьогодні пробував випаяти плату, на якій дисплей закріплений, і пошкодив її. Тепер буду замовляти і плати для повного монтажу. Ніби з усім розібрався, крім конденсаторів і їх розмірів. А, і ще я пошкодив (розплавив) перемички, на яких ця плата була розпаяна (розчіску). Там потрібно шукати якогось особливого розміру? Дякую всім за відповідь.

Hello everyone. Tell me, what exactly are the elements to be mounted on the boards? Preferably both versions. I am mainly interested in capacitors. I don't quite understand what their size and nominal value should be (I've seen both 16 V, but I don't understand the values. 4.7 µF and 100 nF, right?) Today I tried to desolder the board where the display is mounted and damaged it. I will now order and pay for the whole installation. It seemed to have figured out everything except the capacitors and their sizes. Oh, and I also damaged (melted) the jumpers that this board was soldered to. Do you need to look for any special size there? Thank you all for your replies.

Hello. I ordered and received printed circuit boards. I ordered both the large and small versions because I didn't know which would be better for me. I decided to solder on the large board. I placed everything (all components are completely new, I didn't use the old one as a donor), unsoldered it and the display doesn't work. Maybe it would be convenient to check if I placed everything correctly? Very grateful.

P.S. I still have large and small boards left, just in case.
.

OK I'm in Vietnam and my display is going dark, Nivona 691, Display For NIVONA Caferomatica is it the PCB or just the display? Do anybody who has made a replacement want to make a deal and send it to me?