Specifications
Rev. I Disassembly and Assembly 9-15
MR Series Technical Reference Manual
LCD Circuit Board
Follow the steps below for disassembly for the model DM-M820-014/024 and DM-M820-015/
025.
1. Remove the rear case. (See page 9-11.)
2. Remove 4 hex screws (S07) (two each for the two connectors). (See page 9-13.)
3. Remove 10 screws (S05) securing the rear panel to the LCD assembly. After that remove the
rear panel. (See page 9-13.)
4. Disconnect the 4 cables shown below. Remove 2 screws (1050) holding 2 ground wires and
lift up the ground wires, then remove 2 screws (1050) securing the plate.
CAUTION:
Remove the cable on the right side very carefully because its connection is not
strong.
5. Remove the LCD circuit board.
To install, reverse the removal procedure.
Follow the steps below for disassembly for the model DM-M820-013/023 (without a touch panel
and an MSR).
1. Remove the rear case. (See page 9-11.)
2. Remove 2 hex screws (S07). (See page 9-13.)
3. Remove 10 screws (S05) securing the rear panel to the LCD assembly. After that remove the
rear panel. (See page 9-13.)
screw (1050) and
ground wire
cable: See
Caution below
screw (1050) and
ground wire
LCD circuit board
cables
screws (1050)
cable
ca
bl
es connec
t
e
d
t
o
the switch circuit board










