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PPC-A84/A120 User’s Manual
5. Unscrew the five screws on the touchscreen control board and
touchscreen control board bracket, then remove both components.
6. Detach the inverter by unscrewing the screw located on the right
corner of the inverter.
7. Unscrew the rest of the screws on the motherboard to disassemble
the motherboard from the CPU board bracket.