Keypad & Lcd Display Removal And Replacement - DeVilbiss Healthcare SleepCube nCPAP Device DV53 Instructions De Service

EN
I. KeyPad & LCD Display Removal and
Replacement
CAUTION– Failure to wear anti-static equipment during ser-
vice may damage
this device.
1. See instructions above to remove cover and control PC
board.
2. Wearing an anti-static device, disconnect the two LCD
display wire harnesses. (Fig. 9)
NOTE– Do not touch the exposed contact area on the end of
the ribbon cable. Dirt and oils may damage it.
3. Gently roll the silicone frame away from the edges of the
LCD display screen (Fig. 10), lift the display off the keypad
and place it on a clean, fl at, anti-static surface, if returning
to the unit.
4. Lift the keypad off the board, gently pulling three silicone
rattails through the board.
NOTE– Do not touch the keypad contacts on the PC board.
Dirt and oils may damage them.
5. Replace the keypad by inserting the silicone rattails on the
replacement keypad through appropriate holes on the
control board and gently pulling the rattails through the
holes.
6. Insert the LCD display into the silicone frame on the
keypad and connect the wire harnesses to the appropriate
connectors on the board.
7. See instructions above to replace the control PC board and
the cover.
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LT-2026
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