missile command up rite, optic problem

Buffett

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i have a dedicated missile command and the trackball shafts berrings and ball are new thanks to neopolss for the parts exelent deal thanks. So the problem is the up and down are really erattic and the left and rite are great. i have switched the harness from the up and down opto board to the left and rite and opto board and the up and down work great so my problem lies in the up and down opto board what should i do to fix my problem replace all the resistors what looks like a capacitor and go from there or reflow everything and if that doesent solve the problem is there a place to buy a new optical board as i would like to have a spare sitting around any way thanks.:)
i found the board on the ram controlles site that good news but i would like to try and fix mine befor buying one brand new or if any body has a set to sell please let me know used is fine as long as they work :)


Peace
Buffett
 
Last edited:
Bad 4584 buffer on the main board. They're a common point of failure.


i have a dedicated missile command and the trackball shafts berrings and ball are new thanks to neopolss for the parts exelent deal thanks. So the problem is the up and down are really erattic and the left and rite are great. i have switched the harness from the up and down opto board to the left and rite and opto board and the up and down work great so my problem lies in the up and down opto board what should i do to fix my problem replace all the resistors what looks like a capacitor and go from there or reflow everything and if that doesent solve the problem is there a place to buy a new optical board as i would like to have a spare sitting around any way thanks.:)
i found the board on the ram controlles site that good news but i would like to try and fix mine befor buying one brand new or if any body has a set to sell please let me know used is fine as long as they work :)


Peace
Buffett
 
Could also be the emitter and receiver on the optio board. If replacing the chip doesn't work, post a pic of the board and we can help you get the right emitter/receivers.
 
pics of the optic board

ok heers the pics of the bad optic board just as a safe factor ill probally get 1 or 2 of thoes chips for the main board to have as a backup. i think its the optic board because when i change the harrness on the optic boards to the good optic board the up and down and the left and rite work great just not when pluged into the board in the pic so i know my connectors are still making good contact in the connector of the optic boards. if you need a pic of the main pcb ill get it bt the cabs back is hard to get to rite now but ill get it if needed:) also please include where is the best place to get all the parts at the same time.

Peace
Buffett
 

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Those look pretty grungy. Did you try to clean the optos first? Maybe they are just dirty. Q-tip and alcohol might help.
 
just claened with achol and reinstalld it and no change still eatic and wont go up hardly at all still flutters at the bottom of the schreen badly thanks for the sudestion still got the problem:(

Peace
Buffett
 
still not working

any other sudestions or fixes to look into and on the emitter/receivers wher would i get them with the 4584 buffer chip as well thanks.

Peace
Buffett
 
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