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Shelly

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Posts posted by Shelly

  1. Posted

    Hi Everyone,

     

    Alas, it was the "big blue cap" as after we replaced it, the game fired up immediately...HOWever, something new is amiss because when we try to play it, the opening screen contains only one vertical row of mushrooms (to shoot at) all the way down the left side. There are no mushrooms at all in the middle of the screen (only when you fire at the centipede coming down and it leaves a few) and also there is no sound (just a hum from the speakers when the volume is turned up all the way).

     

    I suspect there is something wrong with the game's software and am tempted to just purchase a whole new board that is currently available on ebay...but I thought I'd run these symptoms by the experts.

     

    Any ideas??

     

    Thanks!!

  2. Posted

    Do you suggest I order a cap and the additional parts mentioned, just to cover all bases? And can I order from the website identifying my game as an upright Centipede (is that "atarikit' interchangeable among Atari games??), or do I need to get specific numbers off the old parts?

     

    Thanks for your help!

  3. Posted

    Well, wouldn't you know it, when we took a chance and unplugged the game to replace the old burned out monitor it now has the original symptoms again. I had someone else take a look at it and he is convinced it is the big blue cap. Since it is such a cheap "maintenance" item and I have nowhere else to turn, I'll be replacing it, but am still wondering why the game would work intermittently with this part having gone bad. Wouldn't it just stop working period and never come back again if this item were bad???

  4. Posted

    I'll keep the cap idea in mind in case I have any more trouble. I'm just really glad she's up and running again after months of sitting dark, especially with a bright happy pinball machine working fine in the other corner of the game room.

     

    Oh, and I'm a "she" as well :).

  6. Posted

    Well, we took the PCB board out and popped it into another Centipede game and it worked fine....all voltages on that board are correct (checked the test points).

     

    We can rule out the PCB board as a problem and the game still has same symptoms: "garbage" on screen, coin counters clicking, strange audio, etc. My friend is focusing on the wires coming from the coin slot areas on the door and connecting to the PCB board and plans to check continuity on these. He thinks the game is somehow "trying" to start up, but something is preventing this. Any thoughts??

     

     

     

    :?

  8. Posted

    My upright Centipede was accidentally unplugged a few months ago and when plugged back in, the screen showed garbage (misc symbols, numbers and letters flickering), the audio hummed in strange pitches and the coin counters clicked intermittently. Could not put the machine into test mode as flicking the test switch had no impact at all. Took out the board and cleaned the MPU card connecters with an eraser, popped it back in and machine worked fine.

     

    Inevitably, it was accidentally unplugged again, with same symptoms appearing after trying to turn it back on. Cleaning MPU connecters did not work this time.

     

    Do these symptoms sound familiar to anyone, and if so, any suggestions?

     

    :?

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