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starwardude

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Posts posted by starwardude

  5. Posted · Edited by starwardude

    Have you change channels on the 130xe rf signal..? channel 3-4 switch. Are you useing an atari tv switch box? Is your tv capable of receiving a composite signal? If so then get a monitor cable and connect pin 4 to the rca video plug.

     

    1)Yes I have.

    2)No, this is using an RCA-F adapter. I use this TV with my 2600.

    3)Not on this particular TV. We do have some that are though. I'll make an adapter later tonight after I get some higher-priority stuff (read: homework) done.

     

    EDIT: It turns out that the power supply was in fact at fault. The computer now comes on to the blue screen with the READY message after doing its self-test. Thanks to puppetmark for the spare PSU.

  6. Posted

    So I should pretty much chuck the PSU then? Does anyone know of someone who may have a known good supply in Fairfield county?

     

    In the worst case, the XE is cooked as is the PSU like what happened to orpheus. Hopefully the power supply is the only problem; if that's the case I've got a 9VDC @1.5A wall wart that I could try to make a voltage regulator circuit to drop it down to 5V. Then it'd just be a matter of getting the parts to do so. I'd rather try it out with an original supply before making a frankenstein-esque power supply that could potentially kill the XE if it hasn't been cooked already.

  7. Posted

    The monitor port gives you both types of signals.

    So, you can use Chroma, Luma and Ground hooked to an S-Video plug. And/or Composite and Ground for normal compsite as used in most video devices.

     

    If you're only getting 3.9~ Volts from the PSU, then I'd say you definately have a problem.

    I had to resolder mine the other day, and I tested it and it was a tad over 5 Volts.

     

    Okay, so how would I go about opening up the supply? I take it that there's some way of prying off the bottom of the supply's case without annihilating it.

  8. Posted · Edited by starwardude

    Can you post a pic of the power supply?? There was one version that would commonly go bad.

    Here's two

    IMG_0036.jpg

     

    IMG_0038.jpg

     

    part no. 61982

    Can you check the power supply with a meter and make sure you are getting 5V DC from it? Or try a known workign PS. If the power is good, you could have a bad component. It could be bad ram, The stock RAM in a 130XE is of very poor quality! I will say in my experience, bad RAM usually does not look like this. My guess would be a bad ANTIC chip.

     

    Getting ~3.94VDC off the power supply. I can't test it with another PS; I don't have another one, and I doubt my neighbor would have an extra.

     

    edit: on a side note relating to what rybags said, the chroma and luminance are effectively used for s-video, then? What should be done about pin 4 (composite video)? While waiting for responses, I was looking for info relating to what he said, and I seem to recall something about connecting 75 ohm resistors from the signal lines to ground. Is this correct?

  10. Posted · Edited by starwardude

    PROBLEM RESOLVED, DISCUSSED IN LAST MESSAGE.

    I bought a 130XE along with various peripherals and programs from my neighbor over the weekend, but upon testing it (about an hour ago due to a missing power supply; neighbor forgot to give it to me, and wasn't available yesterday) I found out that the computer apparently doesn't work. The power LED comes on, but the TV displays a flickering mess of reds and blues with a dark band running horizontally across the screen. Any ideas as to what may be the cause of the problem? Is some part cooked?

  15. Posted

    All seems well now. The violet line in the image I posted previously was how I had accessed the forums.

    It led me to a page that stated that a post or topic didn't exist, but had the normal heading on the top of the page

    (I.E. the AA logo, AtariAge, "Have You Played Atari Today?", etc). From there I went to the forums index.

    I apologize if my response is a bit late.

  17. Posted

    Only Atari things found wild I didn't find- my sister found them first.

    Trick Shot

    No Escape!

    Dark Cavern

    Space Attack

    Star Fox

    Megamania*

     

    *I bought it since my sister left it; we have one already, and it is serving a different purpose now.

     

    If it were all finds altogether then the list would expand quite a bit.

  20. Posted

    And now a good weekend. again, not really found at thrift stores. some tag sale.

    Gotten free:

    Part of a server, \

    some motherbaords, \

    a power supply, > being thrown away by some people

    2 pentium 3's, /

    2 ram sticks, /

    a radioshack chronomath clock/calculator/stopwatch/calendar thing, \

    old glass bottle (it says "H.J. Heinz Co. 13" on the bottom, ketchup?), > from a failed tag sale

    a webcam, _______________________________________________/

    electronic ignition switch from a grill that was being thrown out (still works).

     

    Purchased:

    An Adlake "Adams" railroad lantern sans globe, ~ grade C (surface rust, can be restored), marked for New York, New Haven and Hartford RR : $5 (that tag sale was about over I guess they're moving away or something.)

    Good weekend. :D

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