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  1. K7000 P447 is this veritical collapse?

    We are back. I really remember why I hate working on chassis. Less of a headache to swap out. I replaced the flyback with one from arcadepartsandrepair. The B+ still reads 170v. I unsolder D10, and the tube does NOT come on. Solder D10 back in circuit. Measured cathode side of D12 -...

  2. K7000 P447 is this veritical collapse?

    Tested Pins on the yoke header pinpads test fine using continuity. Followed green and yellow wires to other side of the board. did continuity test - works. didn't get a chance to buy parts for the lightbulb test. something to do tomorrow between meetings .

  3. K7000 P447 is this veritical collapse?

    underside

  4. K7000 P447 is this veritical collapse?

    top side

  5. K7000 P447 is this veritical collapse?

    Flyback

  6. K7000 P447 is this veritical collapse?

    I wonder that myself. I just wish there was a way to test these flybacks without sacrificing HOTs. But when i power on the device, no static. The B+ is way too high.

  7. K7000 P447 is this veritical collapse?

    but now I don't have neckglow after switching out D18. I'm going to do the lightbulb test today to see if I have good power. See if the issue is the power side or the horizontal output side. Be a good video for @zenomorp on his Youtube saying "This chassis had some work done to it. It's been...

  8. K7000 P447 is this veritical collapse?

    FYI D13 is reading .44 in diode mode and not open.

  9. K7000 P447 is this veritical collapse?

    Hey Mecha. Looking back at my notes - Reflowed yoke connectors Reflowed header pins Reflowed vPos pot changed out D18. D18 black band is facing away from the metal heatsink. D19, D20, D21, D22, D23, D24 not open. Reads between 46. and .52 in diode mode. C38 isn't open. Critical safety cap...

  10. K7000 P447 is this veritical collapse?

    Update Reflowed Yoke connectors and headers. Replaced D18 cause it looked terrible. NO NECKGLOW. Fuse isn't blown. B+ from the blue wire side is 170V. B+ is measuring 200 ohms

  11. K7000 P447 is this veritical collapse?

    19" K7000 Initially the tube was not displaying anything. Saw a few busted caps. Did a capkit. Tiny cracks on the front of the flyback for it's age. No arcing. Put the game back into the arcade. 3 days later this mess. On the verge of Vertical Collapse? Switchout IC3?

  12. Can a naomi work with medium rez?

    Found my answer. Nope

  13. Can a naomi work with medium rez?

    Not sure if this is the right forum for this. I have a kortek 27" chassis that does 15khz or 25khz. Can a sega naomi work with 25khz?

  14. Looking for someone who repairs and recaps monitors in the Knoxville Tennessee area.

    What chassis?

  15. Another K7000 Blowing Fuses Repair

    I know Mecha. I was just saying I appreciate Mike's vids. Helps me diagnosing chassis before sending it out for repair. Watched many of his videos that I have enough courage to do my 1st polo chassis this week. Just trying to get the white residue off my polo chassis is a hassle. 3rd wash...

  16. Another K7000 Blowing Fuses Repair

    I enjoy these videos and gives me the courage to repair my chassis. Working on a Polo 25 this week.

  17. K7000 replaced flyback and killed the blue gun

    Where did you buy the flyback from?

  18. K7000 P447 from hell

    From Paul: I went through the whole thing before I changed out the flyback to make sure it wasnt a minor part I also touched up and renforced some traces. As soon as I desoldered the flyback the short went away so I knew it was the flyback. where did you but it from? I buy quality parts from...

  19. K7000 P447 from hell

    Mine had the single 4 leg C36. There was nothing underneath the PCB. Mine didn't have the 4th leg cut off either. Paul is getting the board monday.

  20. K7000 P447 from hell

    Forgot to mention, my K7000 is the old version where I had to do this mod http://www.thegleek.com/bobroberts/csc.html I tested the HOT the way Mike on youtube does Chassis is sent out to Paul. I threw in the white flag.
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