Ad/Dc Adapter Replacement; Display/Control Board Replacement - Dimplex BLF7451 Service Manual

tween the end of the connectors and the board to release
the wires.
5. Remove the LED driver board off the plastic mounts
by pinching the plastic mounting tabs with needle nose
pliers. Pull the old board off.
6. Line up the holes on the driver board and gently press
the new board onto the mounts. Make sure the board
is secure.
7. Reassemble in the reverse order as above.
CAUTION: When re-installing, be sure the wires are
guided and tucked into the proper openings along the right
side so they are not pinched and allows enough space to
reinstall the panel.

AD/DC ADAPTER REPLACEMENT

WARNING: Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights and heating elements to cool
off to avoid accidental burning of skin.
Tools required: Phillips head screwdriver
CAUTION: Follow "Preparation for Service" instructions
before proceeding.
Tools required: Phillips head screwdriver
1. Remove the decorative acrylic ember-bed pieces from
the media tray, which lies along the bottom of the inte-
rior Partially Reflective Glass. A medium sized con-
tainer such as a bucket or a box will be needed to keep
the acrylic ember-bed pieces together.
1. Remove the 2 screws, that secure the controls assem-
bly (Figure 8), located at the top of the mirror on the
right side of the unit.
2. Remove the Partially Reflective Glass retaining brack-
ets by removing the 3 screws on each bracket, located
on the left and right side of the Partially Reflective
Glass. (Figure 12)
3. Remove the Partially Reflective Glass. Carefully place
the glass assembly aside in a safe location.
4. Slide the controls assembly out toward the front of the
unit.
CAUTION: Ensure that the assembly is removed care-
fully, ensuring that no wires are caught or over strained.
5. Locate the defective AC/DC adapter (Figure 9).
6. Disconnect wires going to the wire connectors and the
wires that are attached to the display / control board.
(Figure 12)
!
NOTE: Using a flat head screwdriver gently pry between
the end of the connectors and the board to release the
wires.
7. Remove the four screws that secure the AC/DC
adapter bracket to the controls assembly.
8. Install the new AC/DC adapter and install all wiring con-
nections.
10
9. Reassemble in the reverse order as above.
CAUTION: When re-installing, be sure the wires are
guided and tucked into the proper openings along the right
side so they are not pinched and allows enough space to
reinstall the panel.
DISPLAY/CONTROL BOARD
REPLACEMENT
WARNING: Disconnect power before attempting any
maintenance or cleaning to reduce the risk of electric
shock or damage to persons.
CAUTION: If unit was operating prior to servicing allow
at least 10 minutes for lights and heating elements to cool
off to avoid accidental burning of skin.
Tools required: Phillips head screwdriver
CAUTION: Follow "Preparation for Service" instructions
before proceeding.
Tools required: Phillips head screwdriver
1. Remove the decorative acrylic ember-bed pieces from
the media tray, which lies along the bottom of the inte-
rior Partially Reflective Glass. A medium sized con-
tainer such as a bucket or a box will be needed to keep
the acrylic ember-bed pieces together.
2. Remove the Partially Reflective Glass retaining brack-
ets by removing the 3 screws on each bracket, located
on the left and right side of the Partially Reflective
Glass. (Figure 12)
3. Remove the Partially Reflective Glass. Carefully place
the glass assembly aside in a safe location.
4. Slide the controls assembly out toward the front of the
unit.
CAUTION: Ensure that the assembly is removed care-
fully, ensuring that no wires are caught or over strained.
5. Locate the defective display/control board (Figure 12).
!
NOTE: Using a flat head screwdriver gently pry between
the end of the connectors and the board to release the
wires.
6. Remove the display/control board off the plastic mounts
by pinching the plastic mounting tabs with needle nose
pliers. Pull the old board off.
7. Line up the holes on the new board and gently press
Figure 10
Rubber Flicker
Front
Gasket
Motor
Panel
Access Covers
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