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To remove the control board:
Remove the control panel bracket. (See Control
Panel Assembly.)
Disconnect the 20-pin harness connector from
the display board.
Disconnect the wire harnesses from the selector
board at locations CN9 and CN13.
Remove the 4 Phillips-head screws that hold the
control board to the control panel.
1.
2.
3.
4.
To remove the control panel bracket:
Remove the control panel. (See
Control Panel
Assembly.)
Disconnect wire harnesses from the relay board
at location CN3 and from the power board at
location CN4.
Peel back the foam tape and release the wire
harness to CN4 from the wire retainer.
Remove the 4 Phillips-head screws (2 on each
side) from the control panel bracket.
Slide the control panel bracket to the right then
lift the control panel bracket from the control
panel.
Guide the disconnected harnesses through the
wire entry hole in the control panel bracket.
1.
2.
3.
4.
5.
6.
Wire Retainer
Foam Tape
Wire Entry Hole
To remove the display board:
The display board is attached to the control panel
by 2 Phillips-head screws and positioned by 2 pins.
The display board connects to the control board
with a 20-pin wire harness. To access the display
board it is necessary to remove the control panel
bracket. (See Control Panel Assembly.)
Pin
Pin
20-Pin Wire Harness
(Continued Next Page)