Wayne Dresser Vista 1 Series, Service Manual

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February 1997 Part No. 920160 Rev A
7.1.7. Cash/Credit Interface Board Replacement
1. In order to access the cash/credit interface board remove the bezel from the
dispenser and disengage the two quarter turn screws located above the
display (see Figure 7-6.). This will allow the DEM to tilt out toward you
allowing access to all internal electronic components in the dispenser.
2. Disconnect all wiring harnesses from the interface board.
3. Remove the screws which secure the board to the frame of the DEM.
4. Remove the cash/credit interface board.
5. Install the new board using the hardware removed in step 3.
6. Reattach all wiring harnesses to the new board.
7. Replace the DEM in its original position and reinstall the bezel.
FIGURE 7-6. REPLACING THE LIGHTED CASH CREDIT INTERFACE BOARD. When servicing this
area, wire harnesses must be carefully placed to ensure proper operation.
TD00357-A
D i s c o n n e c t a l l o f t h e c o n e c t o r s o n t h e
l i g h t e d c a s h / c r e d i t b o a r d .
R e m o v e t h e f o u r ( 4 ) s c r e w s t h a t
s e c u r e t h e l i g h t e d c a s h / c r e d i t
b o a r d t o t h e D E M .