| Electronics > Repair |
| John Deere Climatic control. Defect potentiometer |
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| Aheld:
Hi Forum, I have a John Deere climatic controller with 3 potentiometer with defect resistor values snd wrong behaviour. Does any body known the manufacturer of this devices? Thanks a lot Br. Axel |
| fzabkar:
Something like this? https://int.rsdelivers.com/product/bourns/3382g-2-104g/bourns-100k%CF%89-potentiometer-smd-3382g-2-104g/1675186 https://docs.rs-online.com/7fb0/0900766b8119b40e.pdf (datasheet) https://www.bourns.com/pdfs/3382.pdf (datasheet) It looks like Murata makes them also: https://www.okystar.com/wp-content/uploads/2018/05/OKY3254-1-7-1.jpg https://www.murata.com/en-global/news/sensor/rotaryposition/2015/0218 https://www.murata.com/-/media/webrenewal/products/sensor/rotaryposition/sv03/datasheet_sv03.ashx?la=en-us (datasheet for SV03 series) |
| squadchannel:
I believe it is the Panasonic EVQVVD00203B. There is also a resistive rotary position sensor with a similar shape, made by ALPS or Bourns, I believe. I would have to see the circuit to be sure, but I think it is an encoder. https://www3.panasonic.biz/ac/j/control/encoders-potentiometers/encoders/10_square_smd_encoders/index.jsp Modify 06/19/2024 We also found a resistive rotation sensor with the same shape. Please check the circuit. https://www3.panasonic.biz/ac/j/control/encoders-potentiometers/position-sensors/10_gs_position_sensors/index.jsp |
| Aheld:
Thank you both so much! The Panasonic type fits perfectly, now I need to check where to order in Europe. Br. Axel |
| Psi:
The PCB has a hidden internal battery and the MCU has already detected tampering and entered a fault state, so it will require dealer codes to unlock it. Ok, I'm mostly joking, but you never know with John Deere. |
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