Time to.measure the -112v, -100v and 62v at the DMD power connector. At the very least the 2 larger capacitors in the high voltage section need to be replaced for the rolling screen.
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Quoted from PinballManiac40:At the very least the 2 larger capacitors in the high voltage section need to be replaced for the rolling screen.
These 2 capacitors would be on the A/V board. Had fixed 3 in the past on WPC95 games with this type of rolling display.
Quoted from ktuhde:I have a WCS94. Compatibility wise, could I take this dmd out of the AFM and connect it to the WCS to make sure the dmd itself is good?
You can and I suspect it will test good.
Quoted from ktuhde:Thanks. I’ll try to read some of the pinwiki info to see if I can figure out how to check this.
6.27.3 has a chart with the voltages to check on the 7 pin DMD power connector. Wedge the black meter lead under the ground braid wire at the bottom of the backbox so you only have to handle one meter lead when measuring the voltage.
3 weeks later
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