MVS jamma ground shares with video ground pin?

Jonap

Jonap

Mega Shock!!
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Hello friends, i have a doubt, i want to buy a RGB 15khz to Composite encoder,.

The only problem is that encoder only have input pins for RGB and Sync ( no video ground ).

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Its a problem? maybe this encoder doesnt work because of this?
Or jamma shares all the grounds of MVS and dont care about that.

Thanks!
 
DaisyAge

DaisyAge

Galford's Armourer
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Yes the MVS/JAMMA ground and video ground pins are shared. This should work fine. If you really wanted to you could solder a wire from video ground to the encoder ground (like on the power jack shielding) but it wouldn't make a difference since the video is grounded already.
 
Last edited:
Atro

Atro

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I just wonder why you would need a composite encoder while you're located in Spain, and you can get RGB displays as easily as it gets.
 
Jonap

Jonap

Mega Shock!!
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Posts
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DasiyAge said:
Yes the MVS/JAMMA ground and video ground pins are shared. This should work fine. If you really wanted to you could solder a wire from video ground to the encoder ground (like on the power jack shielding) but it wouldn't make a difference since the video is grounded already.
Click to expand...

Thanks a lot for youre help friend.

Atro said:
I just wonder why you would need a composite encoder while you're located in Spain, and you can get RGB displays as easily as it gets.
Click to expand...

I understand youre question :lolz:, its because newest TV dont have SCART input, now only have HDMI conections and with lucky you can have a TV with Component+composite input in addition like LG TV's.

Its for that.
 
D

davidmorom

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Jonap said:
Thanks a lot for youre help friend.



I understand youre question :lolz:, its because newest TV dont have SCART input, now only have HDMI conections and with lucky you can have a TV with Component+composite input in addition like LG TV's.

Its for that.
Click to expand...

Just get an OSSC and enjoy crystal clear picture quality. Composite is awful as hell.
 
DaisyAge

DaisyAge

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Or if you're budget oriented, the retrotink pro or multiformat. Pro for 240p and 480i -> 480p hdmi or multiformat for progressive consoles up to 1080i. Both are affordable (compared to OSSC) and have very very little lag, not even noticeable.
 
Neo Alec

Neo Alec

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Yeah, don't bother with the Jrok anymore.
 
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