(Topic ID: 196708)

WPS-S MPU won't boot

By robertg130

6 years ago

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23 posts
4 Pinsiders participating
Latest reply 6 years ago by PinballManiac40
Topic is favorited by 2 Pinsiders

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Dirty Harry Williams, 1995

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Hi,guys my Dirty Harry pin was playing nice and good,but after a blackout the mpu won't boot,power driver board is ok.
What I need to check first in the mpu board
Thanks

Also swapped a good driver and mpu still won't boot

Yes I have 5 volts entering in the mpu
The upper light in the mpu is lit,the other two not

Thanks rob for your reply,I disconnected everything goin to mpu except the power to mpu,j210 still no blinking light,what next
Thanks

Yes Rob,I have the 12v and 5v from power driver,also swapped another good power driver with same result.Just the upper CPU led is on,so the problem is in the CPU board,also I don't have nothing in playfield gi
Thanks

Yes I know,I mean when I have everything plugged in the CPU.No gi or backbox light
What next

Yes,all socketed chips pushed down

The mpu is doing the bong sounds all the time

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