Arcade Collecting > Merit/JVL Touchscreen

Megatouch Auto Test

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ed12:
a few things that go south on them mobo's
cap's 100 % of the time
re-cleanning ram  100% of the time
re-move processer heat sink and re-silcon grease it,place sink back on
bad fan's 100% of the time

for TESTING olny,just about any mobo from that time will do to TEST gut's OLNY
it will BY NO MEANS WILL ALLOW U TO BOOT TO THE FULL GAME..
but the basic step's will point u to where u need to go next

as far as the green wire goe's for testing that's ok,for full time run no not a grand idea,as it is the power supply portect line

ed

lilshawn:

--- Quote from: ed12 on August 12, 2013, 01:00:43 pm ---as far as the green wire goe's for testing that's ok,for full time run no not a grand idea,as it is the power supply portect line

--- End quote ---

yes, if you ground out the green line it will turn on the power supply, this will let you know at least the powersupply is still functioning okay at a rudimentary level. (you mentioned the fans spin up but nothing else.) while it doesn't eliminate the power supply as the fault completely, it's enough to move on to something else.

you are going to have to find the power switch header. I don't recall 100% which board was used in the uprights, but i believe it's probably the ECS board. If your board is actually one of the brown ECS boards (P6IWP-Fe)

the front panel connector is the top rightmost connector in this photo. it has 21 pins (one missing for indexing purposes)

if you use a pen or screwdriver to jump the 2 leftmost pins as oriente in this picture (one on the top row and 1 on the bottom row), your board should turn on. if it doesn't, it may be toasted.

didgey101:
Jeez you really know what your talking about.  Yep ive just jumped those two pins and it boots up to full game. There is a funny little black plug that was seated on that set of pins that I had to remove to gain access to the two pins. Looks like my mobo isn't toast hopefully.  Ideas on what I do next would be great please. .thank you...tim

didgey101:
Hi. Ive just hooked up a keyboard. Jumped the two pins to start it up. Held down delete on the keyboard to enter bios but cant see which category the option to change on ac power to on is in? Ive just checked the cmos battery I robbed from my pc which is now in the megatouch and they both have the same number and voltage so should be ok. Just need to sort out getting it to stay on now as I still have to jumpthe two pins to fire up each time I turn the machine on..many thanks. .tim

mahkeymike:
That black plug is the jumper cable i mentioned earlier that is supposed to bypass the cmos setting so that it automaticly turns on when a power supply get plugged in to electric outlet. The setting you are looking for is in the advanced settings menu under listed as something like after power fail, the options are "last state" "off" and "on" you obviously want "on". But the fact that you have the jumper cable and it isnt doing its job leads me to think you may have a short somewhere, or possibly a capacitor is going bad causing the cmos to discharge.

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