(Topic ID: 250387)

Changing transistor in F2k?

By Nihonmasa

4 years ago


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  • 14 posts
  • 4 Pinsiders participating
  • Latest reply 4 years ago by Nihonmasa
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#1 4 years ago

Hey there,

Had 2 lights out, both were all ok up to the board (1000 and Shoot again).
One of the 2 transistor looked fried, so I replaced both with TIP106. They are both now constantly on.
What have I done wrong?

#3 4 years ago

Arh shoot, that explains why! Thanks a lot!

1 month later
#4 4 years ago

And up. Finally received the parts, did the change: no luck.
Could anyone point me to the right part that I could buy off ebay?
Still having issues with the 1000 and Shoot again lights.

#6 4 years ago

Sure can!

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#9 4 years ago

Quench: yep; was referring to Q40
Yes both lamps were never on and they are still off now.

Ok, so I swapped Q3 and Q8; exact same issue, so you were right, it is not related to the SCR.

How do I test U1?

#11 4 years ago

Thanks a lot but I haven't understood
Have a probe but never used it.
Could you detail a bit more how to proceed?

#14 4 years ago

Hi Quench,
Now you read correctly On the first post the were constantly on as I had replaced the SCRs with TIP106.
After I put on the correct SCR, they were never on.

Will try this when I am back there and report!

Thanks a lot to both for your indications!

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