Midway 40272, Game Operations Manual

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Dollar Service
To service CPU Board Assembly.. .
3 Switch off the power to the game and unplug the AC line cord.
Unlock and remove the rear door.
Remove the perforated metal cover to expose the CPU Board Assembly.
Carefully note the orientation of the
connector and the other cables. Extract
the harness and other cables from the board connectors.
Remove CPU board assembly mounting screws. Lift the board out of the cabinet and
set in a safe place. Use anti-static bags and protective containers from new parts for
storage not reinstalled immediately.
Perform the desired repair or equipment replacement.
3 Be certain to reinstall the perforated cover so that it seals tightly against the metal
plate.
To service Memory.. .
The ROM (Read Only Memory) circuits contain the computer operating instructions for this
game. Memory
devices are especial/y sensitive to
static charges. Use grounding
precautions when handing these park.
Switch off the power to the game machine and unplug the AC line cord.
Unlock and remove the rear door.
Remove the perforated metal cover to expose the CPU board assembly.
Carefully note each IC position, and then remove a chip extraction tool.
To install memory circuits. a over the corresponding socket and press firmly to
seat pins. Do nut force.
C A U T I O N
any up your body by touching the chassis for the
supply. Do this BEFORE touching or the
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