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Roland13.. your PCB is an bootleg thats why it looks different.

So basically it is only a couple of caps that are missing?

Now i dont know if it matters but do you have -5v connected? Track and Field should not have -5v.

I really think you should check the BG-volumepot a bit more just to be sure it not broken and also check for cut traces connected to it.

The metal box has no suicide battery so thats nothing you need to worry about :-) About Super X.. i dont know if you seen my pic of it? it is detailed enough to spot differences easily. pic here: http://arcade.ym2149.com/pcb/ntc/superx_pcb_partside.jpg

Also check your NA-1 and NA-2 boards as they tend to have those leaking caps also. All of my NA-1 boards are dead or have so sound. Dead NA-1/NA-2 boards can be fixed by replacing the cap at C5... here is a pic of a fixed C5: And here are some horror pics of the worst of my NA-1 boards... it...

Has anybody checked wich pins of the 054986A that is connected to the DAC (AD1868) ?

If there is no info about a testmode in the MAME source then it is very likely not to have one :) Data East games rarely have any test mode.