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Esoteric_rt

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Helping a friend revive this Smash TV

I have it hooked up in my NEO-GEO cab (with a JNX adapter). PSU is a confirmed working Meanwell MWP-606, so no issue there.

I've turned up the PSU so the PCB is reading 5.05v at the Jamma edge (measured on the board)

PCB won't boot and I don't notice any 'bong' sound. Seems to be resetting.

Have pulled the rom chips and re-seated, no change.

Any suggestions on next steps?

View: https://www.youtube.com/watch?v=Nhoz79L8sVo

Thanks!
 

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