R-Type sound issue (Nintendo)

[PeRFiDiouS]

I have a Nintendo R-Type that has been working fine until the other day when it started to have an odd sound error. When you first power up the game the initial attact mode music is garbled and sounds like beeps and boops not music. This is only the first time it plays it. After that all sounds are fine. If you start a game before the attract mode music or during the attract mode music error it will play all sounds fine also including the coin up sound. All sounds in game are correct and when left running all day it never repeats the sound error.

Suggestions?

 

[PeRFiDiouS]

Nobody has any ideas?

 

[Arcadenut]

No idea, but mine does the same exact thing. I haven't really looked into it though.

 

[PeRFiDiouS]

R-Type dip switch settings?

it's strange. I moved some of the dip switchs back and forth and it stopped having this problem. Then a week later it started again. Maybe dirty switchs or a reflow is needed.

Does anyone know the dip switch settings to turn OFF attract music?

I think the dips are wrong in the manual...

 

[Arcadenut]

it's strange. I moved some of the dip switchs back and forth and it stopped having this problem. Then a week later it started again. Maybe dirty switchs or a reflow is needed.

Does anyone know the dip switch settings to turn OFF attract music?

I think the dips are wrong in the manual...

Do you know which switch it was or did you just move them all?

 

[Phetishboy]

it's strange. I moved some of the dip switchs back and forth and it stopped having this problem. Then a week later it started again. Maybe dirty switchs or a reflow is needed.

Does anyone know the dip switch settings to turn OFF attract music?

I think the dips are wrong in the manual...

Yep, the switch banks are backwards in the diagram. Bank 1 is really bank 2. If it says switch 4 of bank 2 should be off, they really mean switch 4 of bank 1 should be off and vise versa.