(Topic ID: 81614)

Missing music on CFTBL

By vilant

10 years ago


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#9 10 years ago

The YM3012 and YM2151 are socketed. You could swap them between TAF and CFTBL sound boards to rule them out, just like the sound ROMs.

Should you need programmed sound ROMs, I'm your man.

#27 10 years ago

W13 is not neccesary.

U6 is the location of the game ROM on the CPU board, not a software revision.

I've run L-2, L-3 and L-4 between my Creatures. None had this problem. That is a hand labeled chip - from the factory

Next test? TAF CPU in the Creature.

#29 10 years ago

I'm telling you, W13 is not necessary. It's removed on both of my Creatures. And I've seen plenty of MPU boards that never had W13 installed.

A zero ohm resistor *is* a jumper. The boards were assembled by a machine. A machine cannot place a wire jumper, but it can place a resistor.

#32 10 years ago

All you need to swap is the game ROM at U6

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#33 10 years ago
Quoted from donjagra:

I don't usually clean off the flux either...

Nooooooooo! You *must* remove flux! Kittens die if you don't!

#41 10 years ago

I sent him new sound ROMs already. He had problems with the original and the new sound ROMs, so I think it's safe to rule out the sound ROMs.

The sound is way off on that game. Missing music, wrong sounds playing at the wrong time.

You've swapped sound boards between TAF and CFTBL too, right?

I wonder if something is corrupting data lines between the CPU and sound board? You've changed the ribbon cables, correct? Maybe the fliptronics or dot controller are shorting data lines somewhere along the way?

#43 10 years ago

Well, the DMD board can be swapped with the TAF to rule it out.

Fliptronics, negatory.

But, you might be able to pull the ribbons off the fliptronics board in the CFTBL and see if the problem goes away. I think it'd let you start a game... just the flippers wouldn't work

#46 10 years ago

Pull it out and have a close look at the back side, any solder globs connecting 2 pins of the ribbon cable?

#48 10 years ago

If you don't want to tackle it yourself, I've got a spare Fliptronics II board and would be willing to do a board exchange for a reasonable fee, assuming your board isn't hacked to death.

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