Remove
the four phillips screw securing the circuit board. Care should
be taken not to slip, as the traces on the circuit board can
be easily damaged.
Disconnect the four wires from the top of the circuit board.
From left to right - RED - BLACK - WHITE - PURPLE.
Assemble in reverse order. Remember not to over-tighten any
of the screws.
Check for proper operation. ie. program starts, no black block
on display.
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