Snack - Based Troubleshooting and Repair Guide
September, 2002 Page 39 of 54 1670065
A. Controller Board
Removal
NOTE:
Observe proper ESD proce-
dures. See "Preventing Cir-
cuit Board Damage from
Electrostatic Discharge" on
page 1
1. Loosen one screw at the top and one at
the bottom of the circuit board cover
(figure 7).
2. Lift up on the cover and pull it straight
back.
3. Turn it sideways to remove it from the
machine.
4. Remove one screw as shown from the
controller board (figure 8). Save the
screw for later use.
5. Lift straight up on the controller board
until the standoffs are free from the
keyed holes in the monetary panel.
6. Make note of the locations of all har-
nesses, then remove the harnesses from
the board.
Replacement
NOTE:
Observe proper ESD proce-
dures. See "Preventing Cir-
cuit Board Damage from
Electrostatic Discharge" on
page 1
1. Connect all harnesses to the circuit
board.
2. Place the board’s standoffs in their
respective holes and allow the board to
drop so the standoffs are captured by
the keyways (figure 9).
3. Secure the board with the screw you
removed earlier.
Figure 7
Figure 8
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