拆卸步骤:
19
、
remove
screws
used
to
fix
heating
element
and
take
down
heating
element.
20
、
remove
screws
used
to
fix
power
board
bracket.
21
、
pull up flat cable of display board .
22
、
remove
screws
used
to
fix
power
board
23
、
detach
control
board
bracket
24
、
detach
screws
used
to
fix
control
board
8