Quick question on wiring

[durak]

I'll be hooking up my monitor tomorrow, and want to be 100% sure I don't do anything wrong.

1.I don't know much about electronics, but if I have understood correctly what AC is, it won't matter how I hook up the wires to the monitor? Earth ground is obviously a different thing, but I mean the blue and brown wires. So I just hook them up to the monitor (through iso transformer of course) and don't have to worry about putting them wrong way? The monitor has black wires so I can't just go by colour.

2. I can connect the ground from iso transformer to anywhere on the monitor frame, this correct?

3. I bought a video amp but now think my monitor has one in it already, can I still put the signal through the amp and it won't hurt the monitor?

Please tell me if I'm assuming anything wrong! Thanks!

[MonitorGuru]

Yes, an ISO is required.

1) Yes, technically, there is a difference. The iso should have a 0V and 110V input marked, and likewize a 0V and 110V output (or 115 or 120 depending how they're marked).   You really should ensure that the 110v wire from the output (secondary) side of the iso goes into the monitor on the side that has the fuse immediately after the wire connects. (The 0 v side will not be fused and will run through other components first).  This way the hot wire is fused immediately rather than running through other components before hitting the fuse.  Of course it works will work either way, I just always ensure I put it to the fuse first.  Just like most consumer devices will work when hot and neutral are reversed in your house, some won't and become a shock hazzard.  I just like to  be consistent and wire things correctly even though it will work the other way.

2) Yes, anywhere on the metal monitor frame.

3) I would doubt the monitor has an amp. Usually most arcade monitors assume 1-5 volt signal range.  Computers output 0 - .75 volt range.  Many arcade monitors will work without an amp if you turn up the SCREEN control (or brightness or drive controls).  But an amp to get it closer to the correct range and likely give you a better range of contrast/etc..    Amping it twice, if it doesn't have an input limiter, will result in the opposite--too bright an image and you'll need to turn down the screen/brightness/drive controls.