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nextgen silver box

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  • nextgen silver box

    hi guys first post on here! I need help figuring out a problem with the code of EMPROM CHKSUM BAD. I noticed it a month ago and changed the PCB/ board high voltage board, worked fine but the screen showed just a solid black line wasn't to worried about it and the moment because it worked. so during my couple days off my guy texted me telling me it was down, again same problem as before, to start I swapped screens on the following pair so I was able to read it and same message as I had a couple weeks ago this time. I checked continuity in the right side reversing are dead and the screen shows the black bar across again. so I grabbed my spare boards that were new/refurbished and ran totally fine for a couple days again until now, the black bar appeared again so I swapped the emprom chip and cycled power and I was able to see the screen again, but all 4 of the reversing fuses have no continuity.

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