Recent content by riskerone

still somewhat a newbie at fixing these beasts... never done monitor work yet, which leaves me excited and somewhat scarred..... would you mind walking me through it? where is the up scope details?

it also looks like near the top, some of the scan lines are missing?? definatly somthing is wrong with this monitor . tell me more about the free Up Scope in CA that has a 19" medium res monitor in it

just picked up a championship sprint, and monitor looks preety dull, most likey needs a cap kit, but also looks like monitor got magnitized in top left corner due to a small green area. I'm wondering if I should try to fix the monitor with all the burn and other problems or I should just find a...

is there a trick for removing eproms..... swapping a dead one from a robotron want to know the best way to get these things in and out THANKS

so... I have identified the problem... or at least I think.. a bad eprom chip 5B... found a tear in the label exposing the uv flash area. any ideas why this would come up on the board as a 1-2-9 error.... waiting on my new reprogrammed eprom before I swap the power supply

Through my vast research about the am filter... it has led me to conclude that it is virtually worthless, outdated, uneeded, and only known to cause problems... I am actually removing it as a precursor to replacing the fuse holder for a hum bar fix, as many o techs have told me that it is one of...

thanks for your help... turns out. this battery works fine. I just had to adjust the +5 on my power supply after changing the battery :-) it works

I am about the remove the useless am filter on my pac man. quick question... the green wires connected to the center connector of the filter are the ground wires... when I disconnect them, do I need to re connect them anywhere - or can I just put electrical tape around the ends? It looks as...

why is the game resetting all crazy then??? this wasn't a prob before the battery died.. and its dead for sure cause I tested it.. any ideas? there is a difference between the cr2032h and cr2032

I have a nba jam board that needs the lithum battery replaced. The dead battery was a CR2032H however, I cannot find any of these batteries anymore. I purchased a CR2032 battery and installed only to find the machine restarting and doing wierd things. anyone know where I can find a CR2032H...

thanks a lot.. I have done some minor work with arcades already... but none with the power supply, as long as the game is unplugged I can't get shocked fidgeting with solder joints and connectors? just to be safe

and what caused that problem?

found this way... has anyone ever done it? http://www.arcaderestoration.com/index.asp?OPT=3&DATA=129&CBT=24

I have a machine that has the hum bar problem... The faint line crossing the screen ever second or so with a loud amplified hum in the sound.. What method should I use to fix this problem... I checked for visual corosion and found none.. I know there are a combination of probs that can cause...

I have a sneaking feeling that it is just a dead power supply. Has anyone ever even seen a 1-2-9 error????