are these boards taito space invaders ??

ElfShotTheFood

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I have some sound problems with my taito space invaders. I have what I believe to be another taito space invaders boardset that is not working.

I was planning on swapping the boards between the two to see if I can fix my sound problem and to try to isolate which board of set #2 is bad. then I compared the two sound boards and they are not the same.

So I guess the questions are, Is this a space invaders boardset?, and if so, are the boards compatible with the other working set I have? (not pictured)
if it is not space invaders, what is it?

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thanks
 

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Yep... that'a a taito SI.

The schematics should tell you which chips correspond to which sounds... there's usually 1-2 LM3900s per sound.
 
So I guess the questions are, Is this a space invaders boardset?, and if so, are the boards compatible with the other working set I have? (not pictured)
if it is not space invaders, what is it?

That appears to be one of the Taito SV versions of space invaders. The sound board in the picture appears to be the PVN00004 board. I have seen/used the PV sound board on Taito SI SV, Taito SI TV and even on a Taito SI part II (2 board) set. I'm guessing your other board set uses the CVN00001 sound board. I have seen/used the CV sound board on Taito SI SV and Taito SI TV but it does not work with my Taito SI part II (2 board) set.

The Taito SI TV board uses 2716 ROMS and you can use the Space Invaders test ROM by swapping it with the TV0H rom. I believe the SV versions use 2708 ROMS and not compatible with the tet ROM. The Taito SI SV that i have uses three 2708 ROMS but also appears to have three M58732P ? ROM chips? Does anyone know what these M58732P chips do / are?


EDIT: When i say Taito SI SV the "SV" is for the version of ROMS the game is running on NOT the board version. Same goes for Taito SI TV the "TV" is for the version of ROMS and NOT the board. Sorry, these Taito space invaders board sets and the ROMS that they use can get confusing :)
 
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