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Ok peeps I know someone has a broken dkjr CPU board revision 14 they are willing to sell. I have the video board and not for nothing I have tried to make it work and with the 02 CPU board I have and I didn't get into data line details but they are 100 percent different along with what controls...

Ok guys I have a mortal Kombat 2 that was working when I put it away but now doesn't boot. I've tested both the CPU and fpga in another midway board though it was a nba jam and the CPU was fine..the fpga I'm assuming since it was different code wouldn't play but it started up and that was the...

What I have here is an untested hantarex Polo 33" chassis. It was my own 33" monitor but when I pulled it was because I redid a dilapidated showcase cabinet and hung an lcd on the wall to make space. So I cut the top end of the cabinet which was the bad part and left the bottom part that the...

Ok so I have a quick question. I have multiple dkjr boards but they are different revisions. One is a second revision and one is a 14 revision. I only have one good cpu board and am trying to fix the second gen video board but I believe the CPU is the latter revision. Would this be an issue or...

Just as the sub says I'm trying to build my project 9010a fluke and I need a 6.5mhz crystal oscillator 4 pin. Or if anybody knows if I can use a 6.55mhz one instead I know where to get that. I'm just not sure if I can change that. Thanks

Ive recently had time to dig into my boards and try and fix the little issues they have. I have a time soldiers board that plays fine but has 0 audio output. Nothing looks physically broke and i got this with other boards from another person who said it worked so i dont know the previous history...

Ok guys i have a stumper on hand. Ive been working on this dkjr board for a while now. When i got it it had alot of rusted chips. Replaced alot of chips to get to where I am now. I have gameplay as seen in the pic but still have garbage on screen. Movement happens just like in demo mode. However...

Ok guys im working on a dkjr 2 boardset and ive run into some issues. I thought initially that I had a clock issue since the picture was just a blank box. So i went ahead and scoped at the oscillator and found it was working. Went ahead and rocketed and replaced the ecl chips with new ones no...

So i bought a dkjr board and while it was a crapshow of a board...lol someone tried to make a bootleg donkey kong 3. anyways i need the 2f prom for dkjr. anybody do just this prom? can paypal

Ok guys having a problem with this dk3 board that doesnt want to fire up. Here is a list of things i replaced. Both rp2a03 chips with good working ones, replaced the z80 and z80 dma chips, replaced the old 40 pin sockets on those 4 chips with new dual wipes, checked all eeproms and verified...

Im looking for someone to program a eeprom for me for vs excitebike. I jave ro look but i believe its either 2a or 2b. Also if anyone has 2 cpus that woulf be great too for the nintendo vs. I want to fix up my bad exitebike so i can sell the board. I also have hogans alley vs. That ill be...

guys just a quick question i have a hyperball that has once of the switches behind the letters going out and i think im still in need of a switch for one of the letters like p i think that has the cone that shoots out the ball to the subfield...dont know what its called offhand and im not at...

ok i have this posted in the arcadecontrols forum as well but havent gotten a response yet. im having a hard time with this DK3 boardset and im looking for info from people who have worked on dk3 before. the bench i have setup is a cga to vga adapter going to a lcd monitor with a standard jamma...

Ok I have a capcom bowling game and it had a faint horizontal line..vertical monitor though going right to left on screen. I replaced the caps but there is still a faint line I also replaced the emi filter. Any ideas? The lines that go from right to left are equal size and equal apart. They...

ok i have recapped, re flybacked, hot, fet, and ic101 replace and the monitor will power up but i cant fine tune the b+ to 113.5 like it should be. i get to about 110 or so and then it jumps up and goes into hv shutdown. now i have even tried to leave it at 110 but it will eventually jump up and...

ok so im fixing a chasis for a buddy who recently put a new flyback on the monitor. the old flyback was bad so he replaced it but when he hooked it up he forgot to plug in the remote control board. now it just ticks. im thinking he either blew the hot or VR. im thinking the hot but just wanted...

ok i have a sharp image 629 ds-r standard/ega chassis that im trying to fix but im kinda running out of options. it sounds like the hv is coming on and shutting off. So I started to check voltages and it seems I get 168v up to c814 on the ac input side. on the other side i get nothing. i...

ok so i have 2 of these chassis with no power. first i thought i would replace the hot. did that and no luck still dosent power up. now i setup my station so i was able to take some readings while its hot and here is what i have. from ac power in i had a 48vac on one side and a 55vac right at...

ok so i need some experts on this. i have a couple of the vs boardsets but as ive found out i had only 2 working. i think i blew one up though because now i have a chip at 5n gets super hot and the resistor below it brown,black,green,gold looks burnt up. i have yet to test it though. anyways i...

i have this chassis which is the duel 15/25k res chassis that i would like to be able to put into my GT fore cab since it will do 25k but it seems to have gotten a weird issue. when hooked up it will make a weird noise like power is going on then off just constantly and it will not show any...