Missile Command = neg sync?

jumpman

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Donor 2012
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I was attempting to use a tv tube and a universal chassis, Wei Ya 2620, I could not get it to sync, I was told the universal chassis only work with negative composite sync games, does anyone know if MC is a negative sync game?
 
Thats what I was afraid of, thanks for the info.

I must have missed the warnings that when you do a tv tube swap with a universal chassis that it only works with certain games.

Does anyone have a list of games that are compatible with tv tubeswaps and a universal chassis?

Also, just to confirm, There are no universal chassis that will work with a positive sync game like MC? I have the Wei Ya 2620.
 
I was attempting to use a tv tube and a universal chassis, Wei Ya 2620, I could not get it to sync, I was told the universal chassis only work with negative composite sync games, does anyone know if MC is a negative sync game?

i have the same problem.2620s chassis that works good in my pac but wont sync when i try it in my joust.is there a way to make this chassis work with a joust game?.
 
i have the same problem.2620s chassis that works good in my pac but wont sync when i try it in my joust.is there a way to make this chassis work with a joust game?.

Pacman is neg comp sync Joust is positive sync unless the cpu board is modified.
 
Pacman is neg comp sync Joust is positive sync unless the cpu board is modified.

ok thanks i undestand.but what are my options to make this chassis work in my joust(unmodifed cpu board)?.would a 74ls04 chip work?and if so how would i install this chip?.thank for the info.
 
ok thanks i undestand.but what are my options to make this chassis work in my joust(unmodifed cpu board)?.would a 74ls04 chip work?and if so how would i install this chip?.thank for the info.

Wire the monitor video cable correctly.

R
G
B
Gnd
-V
-H

NC
NC
NC
 
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