Arcade Collecting > Restorations & repair
Dig Dug Restoration by a Complete Noob
ChadTower:
Big blue might eventually lead to a failure but a bad big blue alone isn't going to cause a boot failure. You need to start by checking voltages off the transformer and at various test points up to the game PCB. Make sure your PCB is getting proper voltages - won't play without them.
Have you checked the fuses? Do you know how to use a multimeter?
Pop Culture Portal:
--- Quote from: ChadTower on March 12, 2009, 12:28:17 pm ---Do you know how to use a multimeter?
--- End quote ---
Enough to be dangerous. :-[
I have a digital multimeter. Should I set it to the continuity setting to test the fuses? And which fuses do I test first? I see them on the power supply and the monitor board...and what numbers are "good" when I read the multimeter?
And thanks for all the help. :)
ChadTower:
Check the fuses on continuity. There won't be a number, it will just beep which is good. No beep is bad. Order of testing fuses doesn't matter but be sure to pull them before testing.
Read this thread and the links inside it
And consider buying Randy Fromm's arcade repair videos. They are worth the money if you have multiple cabs to repair.
Pop Culture Portal:
I just looked at Randy Fromm's website the other night and those books are definitely something I should invest in...and thanks ChadTower for the thread link!
OK, I've tested all the fuses I see...6 on the power supply and one on the video board (shouldn't there be two?). All fuses "beeped."
Also, there's no sound coming from the game. I also read somewhere that the neck on the monitor is supposed to "glow." I don't see any kind of glow on this monitor.
Level42:
--- Quote from: ChadTower on March 12, 2009, 01:21:51 pm ---Order of testing fuses doesn't matter but be sure to pull them before testing.
--- End quote ---
No, no, no, checking fuses is done WITH NO POWER CONNECTED, but at the fuse _holders_.
This way, you will also know if the contact between fuse and fuseholder is OK.
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