(Topic ID: 246373)

Metallica Blown Fuse flasher won’t turn off .

By Mando

4 years ago


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  • 35 posts
  • 8 Pinsiders participating
  • Latest reply 4 years ago by Mando
  • Topic is favorited by 1 Pinsider

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#20 4 years ago
Quoted from Mando:

Went ahead and got the new coil, seems stern may have upgraded them over the years.
https://www.pinballlife.com/metallica-sparky-coil-and-step-up-driver-replacement-assembly.html
Also grabbed some of what I think are the correct replacement transistors.
TIP 120(they didn't have 122 but says this replaces them)
I will probably let the pro repair it this time, but I will watch and practice my soldering in case there is a next time Wont hurt to have these on hand.

I do not think TIP102 is correct. They should be FET based IRN transistors.

#22 4 years ago
Quoted from Mando:

Hmm? Zoom into my picture above Q32 is the sparky one? Its a Tip 122 or am I looking at the wrong thing?

I can’t zoom in enough on this phone to see - maybe this driver board is a mix of transistor types - in any case, the schematic is the ultimate source of truth.

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