(Topic ID: 245090)

AV board issue Wpc 95 (dmd full pixels)


By dirkhermans

7 days ago



Topic Stats

  • 9 posts
  • 5 Pinsiders participating
  • Latest reply 2 days ago by dirkhermans
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    #1 7 days ago

    Dear pinball lovers
    Issue with my Scared Stiff pinball...
    DMD comes with full pixels, no animation is there.
    Thought just replace the whole HV section including all bridges and big capacitors and problem solved but it isn`t. Same problem is there...

    All voltages coming to the DMD are as per requirements.
    Placed this AV board in another pin and same problem happens...
    As per me data transfer problem... which chipsets to be checked for this?
    Thanks

    Any advice is most welcome !
    Appreciated

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    #2 6 days ago

    Possibly static ram bad . 6264 i believe?

    #3 6 days ago

    Thanks, just found also this in next topic: https://pinside.com/pinball/forum/topic/there-s-one-more-wpc-95-a-v-board

    6264LP and CY7C185-35 for Static Ram or problem with the ASIC chip (big repair )

    Thanks

    #4 6 days ago

    The 6264 is used by the display circuit. The CY7C185-35 is used by the sound circuit.

    #5 6 days ago

    You can also buy a pinsound board and DMD controller and solve this once and for all!

    #6 6 days ago

    6264 i cant find this chipset on the AV board? Can somebody please tell me where located exactly on my picture?
    New pinsound board is an option , i should go then for the full Pinsound AV board but out of stock now for 2 months but maybe i wait if i cant find solution.

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    #7 6 days ago

    U25 - above the ASIC. It might also be labeled as 5168.

    #8 5 days ago
    Quoted from dirkhermans:

    6264 i cant find this chipset on the AV board? Can somebody please tell me where located exactly on my picture?

    pasted_image (resized).png
    #9 2 days ago

    Thank you so much !
    Will replace this chipset and update the status later.

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