Service Information
89
ZOOMR OPTION AC CROSSOVER BOARD REPLACEMENT
Required Tools:
T27 Torx 1/2” Box End Wrench #2 Phillips Screwdriver
Wire Cutters Small Flat Blade Screwdriver Needle Nose Pliers
5/16” Nut Driver
Replacement Procedure:
1. Follow steps 1 − 7 of the control bar potentiometer replacement procedure on page 87.
2. Using a T−27 Torx, remove the 2 bolts holding the AC crossover board cover to the head end frame and
remove the cover.
3. Disconnect all wires from the AC crossover board.
4. Using needle nose pliers, release the four mounting stand−offs from the board and remove the board.
5. Reverse steps 1 − 4 to install the new board.
6. Reverse steps 1 − 7 of the control bar potentiometer replacement procedure on page 87 to reassemble
the bed.
ZOOMR OPTION DISPLAY/CPU BOARD REPLACEMENT
Required Tools:
T27 Torx 1/2” Box End Wrench #2 Phillips Screwdriver
Wire Cutters Small Flat Blade Screwdriver Needle Nose Pliers
5/16” Nut Driver
Replacement Procedure:
1. Follow steps 1 − 7 of the control bar potentiometer replacement procedure on page 87.
2. Disconnect all wires from the display/CPU board.
3. Using a #2 Phillips screwdriver, remove the six screws holding the display/CPU board to the control bar
cover and remove the board.
4. Reverse steps 2 & 3 to install the new board. After the new board has been installed, the potentiometer
“burn−in” procedure must be performed (see page 88).
5. Reverse steps 1 − 7 of the control bar potentiometer replacement procedure on page 87 to reassemble
the bed.
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