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channelmaniac

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Posts posted by channelmaniac

  2. Posted

    I just replied.

     

    The day job has been crazy this week - there was a reorg and I ended up on a new team.

     

    It's a good thing to still have the day job. Arcadecomponents.com isn't big enough yet for me to quit the day job. ;)

     

    Raymond

  4. Posted

    Yes.

     

    It can be repaired. I've done one for someone over on the KLOV forums.

     

    Disclaimer: You are on your own! Electricity can kill, you can burn your house down if you try to bypass fuses & safety devices. Insert other scary wording here. ;)

     

    Take a small hammer and go around the seam hitting it on the short side of the seam. You'll have to whack it pretty good.

     

    The idea is to break the seal to open the power supply up.

     

    Inside you'll find a circuit board with some voltage regulators. Resolder any cracked solder joints. Hell, there are so many bad ones inside the one I fixed that I just resoldered the whole dang thing!

     

    Check the components in it for bad ones, replace as necessary.

     

    Tape it back together and test. If everything is working then you can glue the case back together with some epoxy.

     

    RJ

  5. Posted

    Mod ordered - will go in my spare CV which currently has an 8bitDomain mod in it but has a very poor picture on my HD TV. I'll post some comparison pics when it's up an running.

     

    Cool - I need to look at their mod and see how it was done.

     

    RJ

  6. Posted

    Hey, all! I'm catching up on my hobby of vintage systems and looking to finally get my Coleco(s) working. An upgrade would be nice in the process!

     

    I have 3 Colecos in various states of functionality. I'll need to inventory them and see what's what this weekend.

     

    In the meantime, is there anyone who would fix these? I see talk of custom boards you can solder yourself here, but that's a bit beyond my reach. Is there a repair service of some sort?

     

    I'd be willing to send in all 3 of my systems in return for a discount on fixing 1 and upgrading the video out.

     

    Hi,

     

    I saw your email and have replied to it. I"m sure we can work something out.

     

    RJ

  7. Posted

    Online backups bring a lot of questions up...

     

    Who has access to the data?

    Is it encrypted?

    Who has access to the key management system?

    Is the company insured and are the employees with access to my data bonded?

    What is their system patch policy?

    When was the last time they tested their cyber defenses?

    What is their privacy policy?

    What is their policy on turning data over to authorities?

    What about "warrantless" searches of my data?

    Under whose law is my data protected? (In other words, what country is it stored in?)

    How are they protecting my data from loss due to their hardware failures?

     

    No thanks.

  10. Posted · Edited by channelmaniac

    It doesn't do s-video output, only composite. I haven't investigated doing s-video yet on the CV.

     

    The instructions are in the download section of my website. They haven't been updated yet for the red/white wire issue. I need to grab another CV out of storage and install a kit to take new pics of the red wire. I'm terrible at Photoshop. :(

     

    It's all in pieces, but there aren't very many pieces to solder in. 3 caps, 3 resistors, and one chip socket.

     

    Raymond

  12. Posted

    No. I just have the schematics.

     

    This is digital logic, you aren't going to find "voltage levels" on the chips but rather "logic levels." Instead of measuring voltages you should be looking at the logic levels with a logic probe or an oscilloscope to determine where the problems are.

     

    It's not hard to learn digital logic and what signals you should be seeing on the chips. It does take time and patience. Check my repair logs for the post "How RAMs and ROMs are read"

     

    http://newlifegames.net/nlg/index.php?topic=18.0

     

    RJ

  13. Posted

    Schematics for the CV are available on the web. I have some on my PC in the workshop if you want to PM me an email address I'll send 'em to you.

     

    I would think that the 2600 expansion is pretty close to a 2600 itself. There isn't much to a 2600: 1 6507 CPU, 1 6522 RIOT (RAM, I/O, and Timer), and a TIA chip.

     

    RJ

  16. Posted

    You do not need more than 10x the bandwidth of what your probing, really, so a 453 would be good for 5-10mhz signals. The kicker is to get good, really good, probes.

     

    Bob

     

    And Velleman probes are NOT good probes. I can't get square trace edges to show up with those things no matter how they are adjusted. Major POS product.

     

    Getting a used Tektronix, HP, or Agilent probe would be your best bet.

  17. Posted

    I was waiting for someone to say that.

    These scopes are mostly from the late 70s early 80s. If they are still working today, they probably will keep working.

    For a $200 or so, hard to beat.

     

    The Hybrid ICs are pretty scarce, but are still out there. I'd wager they are easier to find than nuvistors for the 453 :D

     

    There's an old ham at the local electronics flea market (www.firstsaturday.com) that has boxes upon boxes of tubes. He'll probably have some. ;)

  20. Posted · Edited by channelmaniac

    Ordered 1. Glad the price is so fair. :)

     

    One thing you could do to help everyone is offer "first class" shipping on this instead of Priority. The PO overcharges so much for essentially the same service. And, since the item is so light, it'd cost $2 or less instead of $6.

     

    -Howie

     

    Thanks!

     

    I tried to price it where it would NOT be a "rape & pillage" of the community. ;)

     

    I TOTALLY understand on the shipping part. The reason I standardized on Priority Mail is that it really makes it easier on shipping chips since they are protected by the boxes. It also saves me from having to go buy as many shipping supplies and is easier to integrate into the shopping cart.

     

    Raymond

  21. Posted

    Thanks for the pr0ps!

     

    I know it has taken awhile to finish this up. The day job keeps me pretty busy and this has taken a back burner to all the repairs people have been sending me.

     

    I built 10 kits and now there are 8. All 8 are listed on my site.

     

    http://www.arcadecomponents.com/catalog/it...687/6715562.htm

     

    The first kit went to BigO who was gracious enough to loan me his expansion module for testing. I sold the second tonight to a local Neo-Geo.com/Digital Press forum member that came over tonight for some AES repairs and modification. I bought more components and wire to make more kits. I just have to order all the RCA jacks to finish them up. That will give me another 20 to list soon.

     

    The instructions are finished and in the downloads section of my site.

     

    http://www.arcadecomponents.com/f/Colecovi...nstallation.pdf

     

    Thanks everyone! I really appreciate the help y'all have given.

     

    Raymond

  24. Posted

    I figure that six Genesis systems will need to die to give up their cartridge ports (unless anyone knows where to just buy them) unlike NES they don't seem to be for sale everywhere, and they are easy enough to desolder.

     

    I have enough parts boards here to pull cart slots from. Give me a shout and we can work something out.

     

    RJ

  25. Posted

    Thanks for the pr0ps! That's my site.

     

    I have a bunch of Atari chips to finish testing and add to the site so if I'm out on the site, drop me a note and I'd be happy to take PayPal and sell chips direct.

     

    Raymond

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