(Topic ID: 83338)

BTTF what burnt up?


By dementedwarlok

5 years ago



Topic Stats

  • 8 posts
  • 3 Pinsiders participating
  • Latest reply 5 years ago by dementedwarlok
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#1 5 years ago

having touble tracking what burnt up this BTTF pin. I have a pop bumper not working is this control it?

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#2 5 years ago

I am not going to fix this myself but would like to know what caused it so i can fix it before the boards come back.
http://mirror2.ipdb.org/files/126/Data_East_1990_Back_to_the_Future_Manual.pdf
page 48 is the board in the manual online

#5 5 years ago

Sometimes transistors just fail. If you're sending out the board to be repaired, you can take apart the pop bumper and make sure the coil isn't damaged. Check to make sure you can still slide the coil sleeve out of the coil and check the coil resistance to make sure it's within spec.

#6 5 years ago

Finally a response thanks. I am slowley making my way to. Trying to get the led flashers taken care of before I finish the machine.

#7 5 years ago

You'll probably want to look at your ball lock coil, on the cam assembly. I included a pic of my board for comparison.

image.jpg
#8 5 years ago

in coil test all the coils work except that one pop bumper. the switch works so the coil must be bad

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