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(Topic ID: 85443)

Display problem

By ze7

10 years ago



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  • 6 posts
  • 2 Pinsiders participating
  • Latest reply 10 years ago by ze7
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#1 10 years ago
OP
 
JMB

ze7

Pinside member

PT Lisboa

11y 27,650 100 4

My gottlieb system 80B display never goes completely of in the top row. There's allways a residual light in all digits
I've changed the segments ic driver that solved my problem for missing segments. New caps also...any ideia?IMG_20140326_225245_edit.jpgIMG_20140326_225245_edit.jpgIMG_20140326_225245_edit.jpgIMG_20140326_225245_edit.jpg

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#2 10 years ago
 
MAR

Mrjamma

Pinside member

US Gate City, VA

11y 39,650 524 26

Have you performed the recommended Gottlieb ground modifications?
Two of my Gottliebs would do that from time to time but also the game would not play or it would suddenly end in the middle of a game.
Just a hint.

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#3 10 years ago
OP
 
JMB

ze7

Pinside member

PT Lisboa

11y 27,650 100 4

Yep a think all ground mods are done

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#4 10 years ago
OP
 
JMB

ze7

Pinside member

PT Lisboa

11y 27,650 100 4

Would a bad ic10939 cause this issues?

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#5 10 years ago
OP
 
JMB

ze7

Pinside member

PT Lisboa

11y 27,650 100 4

Ok! Swapped U1 and U2 and the problem moved with U1

Bad 10939!!!

Guess is hard to find in europe...

1 week later
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#6 10 years ago
OP
 
JMB

ze7

Pinside member

PT Lisboa

11y 27,650 100 4

New 10939 and everything is ok now!

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