Arcade Collecting > Merit/JVL Touchscreen
Megatouch Auto Test
didgey101:
Sorry just want to be a bit clearer. .machine will always boot to full game and play perfectly until I turn it off. Then when I turn it back on the problem is it wont come to life unless I jump the header pins but as soon as I do that it boots to full game every time and I can play it for hours as long as I don't turn it off. ..
ed12:
ok now we are getting some where
>Sorry just want to be a bit clearer. .machine will always boot to full game and play perfectly until I turn it off. Then when I turn it back on the problem is it wont come to life unless I jump the header pins but as soon as I do that it boots to full game every time and I can play it for hours as long as I don't turn it off. ..<
so your clue is as was pointed out to u "bios-setting's"
advanced/power options/always on
the test u did with the lcd confirms it
+ the fact u short the power pin's to start it
now i will ask a question
on these mobo's in the merit's was a jumper wire
1 end has a 2 pin plug,1 end has a 6 pin keyed plug and then a third wire goes to
the i/o board,do u have this plug ?
u see this plug is your wdt >watch dog timer,and power control plug<
some time's with these mobo's the cmos will say it set a saving,but in truth it tend's to drop it..
so if u read the tech2012 stuff u will clearly see this plug
and where it should tie in...
that is where i would go next
ed
mahkeymike:
Ed, He has the jumper wire. Its not working. He said he had to remove it to get to the power_on header pin to jump it to Earth/GND to get it to boot. Again, this sounds like a short, or bad cap. I had this same problem, and eventually mobo died.
lilshawn:
i find that jumper wire doesn't really work with most machines. I've also seen several iterations of it (with different wires bridged etc.)
I've had better luck with the old 16 volt 100 uf cap wired on there.
didgey101:
So is my mobo broken then?
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