F-14 Tomcat Display Help Needed Please

nanoryan

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Hey guys,

I have an F-14 Tomcat that I am trying to trouble shoot. I bought a new Rottendog display for it and the game works but the 'g' segment in the alphanumeric displays does not light. I have verified that the display is working correctly so there is some sort of an error occurring at the MPU (or somewhere in between).

IMG_3566.jpg


Any suggestions for what I can check? I am new to pins so this is uncharted territory for me.

Thanks! Ryan
 
id check the ribbon cable header pins, see if one is bent

then id check the cable for any problems, continuity check

verify red line on cable is on pin one

could be wrong but in that picture looks like 2 connectors arent seated all the way but i doubt thats the problem. check for proper voltage on the pins there going into the display PCB after the connector

dont want to go through the motions of sending it back and then they send you another one and you have the same problem
 
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