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-   -   help troubleshooting 8 ball deluxe (http://www.pinballnirvana.com/forums/showthread.php?t=12953)

larry_67 01-08-2016 08:07 PM

help troubleshooting 8 ball deluxe
 
Need some assistance troubleshooting an 8 ball deluxe game, the MPU board looks to be in good order no corrosion. ( lucky because it still has the original battery.) The sound board has an LED, blinks once on boot and then 3 times a pause and 1 more time. There is a hum that comes from the speaker but and some of the board lights come on. all removable fuses are good (F 4 ) is missing. not sure what that controls, I bought this as a project not working, I was told that F4 was not needed to function.
Any help would be appreciated.
Thanks
Larry :help::cheers:

pinballdaveh 01-09-2016 12:06 AM

the F4 fuse is for the solenoids and is a 5 amp fast blo. its missing because there is prob. a bad coil somewhere and it is needed to operate correctly. does the MPU board LED blink a total of 7 times(1 blink a pause then 6 more) on power up? inspect coils for burnt coil wrappers and smell. burnt coils will blow fuses and sometimes take out its driver transistor on the driver board.


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