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

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  • #241 18456956
    HarryPar
    Level 2  
    amigos: great work!
    One more request: since I've only worked with Eagle so far, can you also provide the board layout as an Eagle file? Thank you very much.
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  • #243 18459415
    volkeri
    Level 2  
    Hi @All,

    what voltage did you order the components for?

    For e.g. 100 nF C-0402 >>> 10V / 16V / 25V / 50V???

    Or can someone send me the mouser / farnell shopping cart?

    Thx @all

    Volker
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  • #245 18464225
    amigos
    Level 16  
    volkeri wrote:
    Hi to all
    What voltage did you order the components for?
    For example, 100 nF C-0402 >>> 10 V / 16 V / 25 V / 50 V ???
    Or maybe someone can send me a mouser / farnell basket?
    Thanks @wszystkim

    Volker


    The highest voltage is around 12-13V behind the inverter. Buy 16V or higher and it will be ok.
  • #246 18474720
    Txx112
    Level 2  
    Hello,
    I ordered pcb from post 172. Soldered components and display ssd1305 (short cable) but image is still reverted. Tried same display to original plate, same reverted picture. Now the display seller told that maybe I received ssd1309 display. Does the ssd1309 have different pinout?

    NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement
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  • #247 18474765
    amigos
    Level 16  
    Pinout ssd1305 i ssd1309 jest taki sam. Na pewno dostałeś ssd1305 bo przy ssd1309 jest brak linii taki sam jak w poście #189. Sprawdź dokładnie lutowanie układów IC. Daj zdjęcie zlutowanej płytki od strony układów.
  • #250 18485224
    naronk
    Level 10  
    Is the capacitor C5 short to diode D1? SMD would be better.

    NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement
  • #251 18485341
    amigos
    Level 16  
    I don't think so, but maybe it'll work and it will talk. The diode and capacitor are in the inverter block and it would probably affect the display lighting itself. From what I write, it shines ok only does not reverse so I would look more for short circuits in ICs, especially 4071 and IC3 because there are 2 vias there. Maybe a tin came over.
  • #252 18490401
    Txx112
    Level 2  
    Diode is not shorting. Replaced three times all IC-s. Mesured that nothing beneth ICs not shorting. No result, still reverted. One possibility, that I ordered wrong pcb from post 172 (untitled_ok_5_new_SSDzFCP_Gerber.zip). Also soldered second pcb with all components, still reverted.
  • #253 18490466
    jackmc
    Level 2  
    Hello everyone
    I have a problem with the SPD0301 display and pcb by satanistika on 24pin. My display has uneven backlighting in the lines and wraps the image display by 3 lines (first photo). What could be the reason? Maybe someone had a similar effect.
    Regards

    SPD0301 display with uneven backlighting and shifted image. Backlit SPD0301 display mounted on a device with uneven backlighting and display errors. Close-up of SPD0301 display with connected wires.
  • #254 18490506
    amigos
    Level 16  
    No line or curl, as you describe, is a normal symptom on SPD0301. The fact that you have uneven backlight is assuming a problem in the TPS converter system and therefore a lower backlight voltage. It looks quite dark. Check if you have surely given the right resistors or a well soldered coil and if you have a short circuit somewhere.
  • #255 18491832
    jackmc
    Level 2  
    As suggested by Amigos, I smeared with flux and soldered TPS. The effect - as can be seen.
    Thank you very much for help.

    Electronic display showing various beverage icons and details about Latte Macchiato.
  • #256 18492410
    amigos
    Level 16  
    And a revelation. Next equipment saved and user happy :) Thank you for your points, although you have very few of them. That is why I give a good start to collecting because without activity it is hard to collect something ;)
    Regards!

    Added after 44 [minutes]:

    Txx112 wrote:
    The diode does not short. I replaced all integrated circuits three times. I have measured, there is no short circuit under the ICs. No effects, still image reversed. One possibility that I ordered the wrong tiles from post 172 (untitled_ok_5_new_SSDzFCP_Gerber.zip). I also soldered the second board with all components, the image is still inverted.

    I had the same display as you. This is the same as in post # 160 and worked ok https://www.elektroda.pl/rtvforum/topic3435827-150.html#18000551. The problem is rather something else :(
    And out of curiosity, send a picture of a clean plate from both sides. Have you replaced IC3? There are grommets close and easy to short-circuit.

    Printed circuit board with highlighted area around IC3.
  • #257 18495274
    naronk
    Level 10  
    The next dead man was made (photo 1). Thanks a lot amigos. After some time, a slightly brighter vertical line appeared (photo 2) but after a while it disappears (photo 3) but this is probably a defect of the display itself. NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement
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  • #258 18495307
    amigos
    Level 16  
    And great. Remember that without Satanisticka it wouldn't be. I think that this error may be the result of some inaccuracy on February. I see that you have already folded yours, but if this happens again, undress and correct all soldering points, especially on the display tape. Espresso machines are great in my opinion and I wouldn't exchange my own for another. That is why it is worth saving them :)
  • #259 18498859
    dzako071
    Level 8  
    naronk wrote:
    The next dead man was made (photo 1). Thanks a lot amigos. After some time, a slightly brighter vertical line appeared (photo 2) but after a while it disappears (photo 3) but this is probably a defect of the display itself.

    In my opinion, a 99% display defect, so-called vertical line, probably not glued to the COG (chip on glass) driver, as it is called.
    Although so unusually a bit, because from what I see, the line does not run through the entire height of the display. In small displays it is used to place the driver directly on the glass, e.g. in TV sets it is placed in the middle of this connecting tape with the plate.
  • #260 18507221
    Smoczy
    Level 19  
    My project has resumed the tile, now you do not need to remove the plastic pin under the display. If anyone is interested, I have several more. We solder, cut off one pin and connect it with a wire to a square solder point on the board and that's it. You do not need to change anything except the display.
  • #262 18507701
    Smoczy
    Level 19  
    Correction is the IC displacement and making an undercut under the dowel so that the plate does not interfere with the mounting of the frame under the display.
  • #263 18507738
    j4rek
    Level 19  
    If anyone was interested, I redesigned the SSD1305 display adapter board (according to the diagram on CD4071 and CD4078).

    NIVONA Caferomatica 830 Coffee Machine: Damaged Display Repair, AliExpress Replacement
  • #264 18507764
    amigos
    Level 16  
    No revelation. Finally something professionally done. Are you ready to share your project or are you just selling ready-made tiles? I don't need it right now, but I'd like to look through the documentation with the project. What did you design it for? I like this performance and it may be useful one day ;)
  • #267 18507792
    amigos
    Level 16  
    Good. I would ask for gerberas very much. Thank you in advance. I need to test this applet. Regards.
  • #268 18507825
    Smoczy
    Level 19  
    This is what the tile looks like now, version without sm.

    Two printed circuit boards, one with a mounted integrated circuit, the other circuit is empty.
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Topic summary

The discussion revolves around the repair and replacement of the display for the NIVONA Caferomatica 830 coffee machine, which often suffers from display failures. Users share experiences with sourcing replacement displays, particularly the SSD1305 and SPD0301 models, and the challenges of soldering and adapting new displays to the existing circuit boards. Various solutions are proposed, including using a custom PCB designed by community members, which allows for the integration of new displays while addressing issues like image mirroring. Participants also discuss the necessary components for the repair, including capacitors and integrated circuits, and share links to suppliers for parts. The conversation highlights the collaborative effort to find effective solutions for display issues in NIVONA machines.
Summary generated by the language model.
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