GND SCK DIO 3V SW BOOT0 NRST C13 PWR KEY 5V G 3.3 B10 B2 B1 B0 A7 A6 A5 A4 A3 A2 A1 A0 R C15 C14 C13 VB 5V 3.3 G B9 B8 B7 B6 B5 B4 B3 A15 A12 A11 A10 A9 A8 B15 B14 B13 B12 Rising Embedded Mx

Replace encoder of Control display

The encoder of my Zonestar Z8P 3D printer was damaged after a short time. Fortunately, the printer came with a replacement. However, I tried to repair the original control to have a functional spare in case something goes wrong.

I got the encoder replacement from Aliexpress. Follow these steps to repair the PCB:

  1. Clean the excess solder from the pins of the encoder.
  2. Cut the old encoder pins.
  3. Remove the remaining pins with desoldering braid or a similar tool. In the video, I improvised a tool using an old resistor I had in my toolkit.
  4. Place the new encoder and solder it.
  5. Install the board in the printer and test the results before final assembly.
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