(Topic ID: 249349)

F4 blows on start up - Skateball

By InfiniteLives

6 days ago

Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 5 days ago by InfiniteLives
  • Topic is favorited by 1 Pinsider


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#1 6 days ago

Hey guys
Was playing skateball and all of a sudden everything goes dead(flippers) gi still on.

Open her up and F4 is blown. Replaced it just to see what would happen and it blows pretty much the moment the power is turned on.

Played hundred games easily without this issue.

Is it likely a failed diode on a coil ?
Where should I start trouble shooting ?

Unplugged the sdb plugs and blows instantly on power up as well

Pulled under playfield fuse and it still blows.

All EOS are gapped correctly. Playfield fuse is not blown.

Might be something on the rectifier board that went bad is what I'm thinking now

Thanks !

#2 6 days ago

Looks like bridge rectifier 3 could be bad. You can check this with a meter, set to diode check.

#3 6 days ago
Quoted from chad:

Looks like bridge rectifier 3 could be bad. You can check this with a meter, set to diode check.

Thanks, this happened on my lunch break, I am back at work. I will check when I get home. That seems to be a good place to start, thanks!

#4 5 days ago

Definitely check the Bridge. If blown replace it with a higher voltage/Amps bridge as they are cheap.

#5 5 days ago

definitely the bridge rectifier

gonna see if i can find the part number for the beefier one to replace the original e-00602-0003 with.
probably not too hard to find on here, gonna start searching right meow

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