1.First, unscrew the two screws on the left door and remove the left side of the machine's door.
2. Next, unscrew the 6 screws on the motherboard. Remove the old motherboard and replace it with a new one. Then, follow the same procedure to restore it.
3.Please be careful when removing the hot melt adhesive from the terminals. Do not damage the terminals or other components. （Below is the wiring diagram.）
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