25K7191 Sync Connection Question

Mupes

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Donor 2011
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Molex headers on K7191 chassis:
1. R
2. G
3. B
4. gnd
5. +V sync
6. +H sync

1. gnd
2. -V sync
3. -H sync


Game pcb has only a 6-pin Molex connector with:
1. R
2. G
3. B
4. gnd
5. N/C
6. Composite sync

I know the composite sync to the +H sync should be a good connection. Question is do I need to connect anything to the 3-pin header on the chassis? If so, what?

Thanks in advance!
 
JAMMA based game, yes. WG manual I have says to connect comp sync to +H sync. I'm wondering what, if anything, needs to be connected to -H sync. Nothing? Ground?
 
Thanks for the replies - seems I'm derailed by an unfortunate crack in the neck of the tube. Apparently it had been taped and that had worked, because I did see the monitor working - but it didn't last. Does nothing but buzz and arc now. :(
 
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