(Topic ID: 205157)

Williams system 6 feature lights locked on

By Michaelxwhite

6 years ago



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#2 6 years ago
Quoted from Michaelxwhite:

I picked up a time warp this past week and it was dead; the machine wouldn't boot even to the point of no running feature lights and two flashes on the mpu then nothing. Well, I checked all connections, unplugging and replugging and I get feature lights, but they stay on and the driver board lamp resistors get insanely hot. It now boots up with a single led flash but then stays on. Also of note, the diplays all read as such (8 thats two eights with nothing lit before in the middle. The game does not go into attract mode fully as all lamps do not strobe, but stay solid and constantly lit up. I obviously tested power supply output 5v, 100v, ..... thinking I'm not getting the pulse for the lamps to the driver board from the power supply, among replacing and reflowing cold solder at the least on the 40 pin. My question is, what pieces on the power board are entailed and may need replaced in the lamp 5v pulse circuit? Thanks in advance!

Sounds like your MPU is not running. Don't leave game on too long in this state as those resistors will burn up and or unsolder themselves do to the heat up. Check out Vids guide on bullet proofing system 4-6 for some great help on this.

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