(Topic ID: 124604)

What "Transistor?" / IC amp chip is this? Williams sound board.


By Arcade

5 years ago



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  • 4 posts
  • 2 Pinsiders participating
  • Latest reply 5 years ago by Arcade
  • Topic is favorited by 1 Pinsider

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#1 5 years ago

I have a Williams Barracora that plays the sounds at a very low volume.
I have replaced the caps and the scanbe socket for the sound rom but no luck.
Then I happened to notice if I pushed up on the 5 legged transistor on the big heat sink that the sound would come back to full volume.
I tried reflowing the solder on the 5 legs but no luck. Must be something inside of it that I can't see.

Anyway what is this part and who carries it?
Looks like it says TDA 2002V 7926.

Seems like it will be fun trying to bend the new parts legs to fit in the holes and heat sink.

IMG_0638.JPG

#2 5 years ago

Just found my own answer.
But will post here for others.
http://www.marcospecialties.com/pinball-parts/TDA2002

#3 5 years ago

Also, for the record, that is not a transistor.
It is an IC. An audio amplifier in a "Pentawatt" package. Similar to a TO-220 package but it has 5 legs instead of 3.

For educational purposes only, no warranty expressed or implied, your mileage may vary.

#4 5 years ago
Quoted from Mrjamma:

Also, for the record, that is not a transistor.
It is an IC. An audio amplifier in a "Pentawatt" package. Similar to a TO-220 package but it has 5 legs instead of 3.
For educational purposes only, no warranty expressed or implied, your mileage may vary.

Thanks. Topic edited.
I also found that you can get 3 of these amp chips from Pinball Life for the price of 1 at Marco.
Mine are on the way now. Can't ever hurt to have spares.

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