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Author Topic: F-14 Tomcat Lower display not working  (Read 4043 times)

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Offline havarob

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F-14 Tomcat Lower display not working
« on: May 19, 2016, 10:18:10 AM »
I have an F-14 Tomcat pinball machine and got everything working except the lower two displays, they are blank. The voltages on 3J2 Pin#1 -102 volts  Pin#3 +96 volts and Pin#6 is 4.9 volts. Looks like the voltage going into the display board is good. The upper two displays are working perfect. What should I check next?

Thanks

Offline Harvs

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Re: F-14 Tomcat Lower display not working
« Reply #1 on: May 20, 2016, 04:57:08 AM »
Replacements are pretty cheap. You can get them in colors too, like red for F-14.

https://ksarcade.net/rottendog-led-display-dis200-in-four-colors.html

Offline spudgunman

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Re: F-14 Tomcat Lower display not working
« Reply #2 on: May 21, 2016, 11:49:12 PM »
Swap the display super and lower identify if the driver the ribbon or the plasma is dead

Offline havarob

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Re: F-14 Tomcat Lower display not working
« Reply #3 on: May 22, 2016, 12:18:32 AM »
Swap the display super and lower identify if the driver the ribbon or the plasma is dead


What would be the super and lower? Do you mean desolder the upper display and put it on the bottom?

Thanks for your help

Offline spudgunman

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Re: F-14 Tomcat Lower display not working
« Reply #4 on: May 22, 2016, 08:15:51 AM »
Auto correct error - oh right because it's 4 displays on one thing - wasn't thinking clearly. Yea that's a major pain and they are likely out gassed.

Have you reflowed the headers on both ends

 

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