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| ArcadeNoob:
Alright, I just bought a Bubble Bobble in a converted Zaxxon cab. The seller said that he thought the power supply was not working, and that the monitor's only problem was that a "fuse is blown". My questions are: Is there a power switch on a zaxxon cab? I can't seem to find one, and wanted to be sure the power supply really was busted. And, if it is, can I replace the 115V power supply in it currently with a 110V? Also, what in the world does a "blown fuse" refer to ? I know next to nothing about monitors, and was curious to exactly what that meant. It is a WG 19K4903 chasis with a RCA 19VLTP22 tube. I will post up pictures of the actual monitor ASAP, so maybe you can diagnose the puzzling situation there. Thanks. |
| ArcadeNoob:
Here are some pictures: |
| versapak:
A blown fuse means exactly that. Look at the main board for the monitor and you should see some fuses. [EDIT] I just want to add, that before you go poking around the monitor, you should be sure that you properly discharge it first. |
| MYX:
First!!! Becareful of anything with wires. Monitors carry high voltage and you don't wanna get zapped. You probably knew that, but it never hurts to mention. Ok... 1. Does anything happen when you plug it in? Do you know what kind of monitor it is? If you can figure that out you can go HERE to get schematics. 2. On the power supply is there an LED on it? When you plug it in does the LED light up? 3. Is the main power going to the big transformer before going to the new switching power supply (the black PS you showed in your picture? (It used to have a big board for a power supply in it. Probably died.) 4. Do you see any fuses anywhere in visible site? EDIT: I think that the monitor is a Wells Gardner WG4900. Not positive though. |
| CheffoJeffo:
--- Quote from: versapak on July 10, 2006, 07:55:18 pm ---A blown fuse means exactly that. --- End quote --- No, no, no, no, no. :dizzy: When spoken by a seller, a "blown fuse" (aka "probably just a puse") is an "as-yet-undiagnosed monitor problem that is most likely not a fuse since I would have taken 15 seconds and replaced the fuse instead of selling the whole damned machine with a farked monitor, but I'll say it's a fuse because that sounds easy to fix.". Kinda like selling a car that won't start and saying "it's the battery". Having said that, sometimes a blown fuse is actually just a blown fuse. Just not that often. Now, DO check the fuses on the monitor boards. Preferably with a multimeter (if you don't have one, buy one ... you bought the cab, you need the tools) as visual inspection can be misleading. Then, using said multimeter, check the voltage (if any) coming off of the power supply. NOTE: If you do not know how to check these things, do not despair as it is easily done and a quick search will reveal the techniques (or just ask and someone will explain). Cheers. |
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