A complaint was received that a Bluebird 2 upright game had a power problem. When I arrived at the game, the only sign of any power was the auxiliary power which is for the tracking system and the internal game light; everything else was dead. Also, the game main power switch was in the ON position. Another thing I noticed was on the backplane board, none of the voltage lights were on. Located in the BB2 upright power supply, there are two fuses. The top one was OK, because when I took it out the internal game light went out. This indicated the fuse was good. When the lower fuse was removed and replaced with a spare, there wasn’t a change with the power problem. Because of the fuse type (ceramic, non-explosive type) it isn’t possible to look at it to tell if it is blown or not so I put a multimeter on continuity and the fuse tested OK. Since a blown fuse wasn’t the problem, it looked like the game power supply may be to blame. On my way to the shop I heard a noise from the unit, kind of sounding like a small screw was floating around inside of it. I replaced the game power supply with a spare, and the game turned on, booted up, and worked perfectly. Later, I talked to a co-worker and the individual stated a voltage regulator “blew up” inside of the power supply. The “remains” of the regulator is what was floating around and making the noise.
Thursday, September 22, 2011
WMS BB2 Upright Game, Power Problem
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