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ER-301/Maintenance and Repair

2 bytes removed, 1 year ago
Replacing the CPU Board
# Purchase a replacement CPU board (AM3352-SOM) from Olimex for about 37EUR:
# Remove the rear uSD from the old CPU board and insert it in the SD slot on the new CPU board.
# Carefully pull off remove the old CPU board by prying up each side little-by-little. '''Do NOT try to forcefully pull it off all at once.''' Here is a step-by-step tutorial on how to remove the CPU board: [[ER-301/CPU_Board_Removal]]
# Carefully align the pins and push on the new CPU board. It is very important that you use both hands, pressing ONLY on all 4 corners evenly. Do not push on the center of the board and especially do not push on the area with the Olimex logo. Underneath the logo is the RAM chip which might be damaged if you press here.

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