Note: M/B means main board, D/B means display board.
SECTION 14 CHANGE PARTS PROCESS
14 1 Replace main board
At first, release indicator
from indicator bracket, like
picture, then release 6 pcs
screw from back cover of
the indicator use cross
srew driver. Then, open the
back cover, release 4 pcs
screw of main board,
release main board
carefully, pull out all
connector on the main board, then you can bring
out main board carefully. Then install the new main
board, plug all connector at
last ATTENTION CH3.96 4P connector (for
START
Find the line for
useless key, short
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