Removing a Monitor from a Cabinet

D_Harris

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I just spent an hour and a half trying to take a WG4900 out of a Ms.Pac-man and was looking for pointers.

I've taken a WG4600 out before with no problem, but this WG4900 is more difficult thanks to different structures in the cabinet and a hard to get to bolt that is screwed up through the bottom bracket on the left side of the cabinet.

It's like it was welded in place, and Vise grips and screw drivers do not work.

Has anyone else run into this problem?

Thanks.

Darren Harris
Staten Island, New York.
 
Nope. Fairly simple to remove a 4900 from a Ms. Pac, unless someone modified the mounting for whatever reason:

1) Discharge monitor.
2) Remove anode cup.
3) Unplug power connector.
4) Unplug video connector
5) Unplug neckboard.
6) Cut or unsolder dag wire to neckboard.
7) Unplug degauss connector.
8) Unplug yoke connector.
9) Remove 1/4" machine screw from back side mounting spot.
10) Remove 1/4" machine screw from front side mounting spot.
11) Remove chassis.

Installation goes backwards through the above steps....
 
No problems for me . I just swapped 4900 monitors in my MsPac and thought wow this is one of the easiest cabs to swap monitors in and out of because of the brackets you use to slide it in .

I think the bolts in your cab are messed up , rusty or something .

Take the glass bezel off and you can reach the bolts in the front by the CP easier .
 
Nope. Fairly simple to remove a 4900 from a Ms. Pac, unless someone modified the mounting for whatever reason:

1) Discharge monitor.
2) Remove anode cup.
3) Unplug power connector.
4) Unplug video connector
5) Unplug neckboard.
6) Cut or unsolder dag wire to neckboard.
7) Unplug degauss connector.
8) Unplug yoke connector.
9) Remove 1/4" machine screw from back side mounting spot.
10) Remove 1/4" machine screw from front side mounting spot.
11) Remove chassis.

Installation goes backwards through the above steps....

Well, all that wasn't needed for a single stubborn bolt problem.

I next tried removing the four screws that hold the horizontal bracket to the cabinet and failed at that.(Probably because my cheap vise grips kept flexing).

But then I managed to tear away the wood partition in the front, which allowed me access through the coin door and to the screws holding the chassis together.

I managed to get those out so I could pull the rest of the chassis and monitor out the back.

Darren Harris
Staten Island, New York.
 
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