Capcom CPS2 19XX game board: Looking for cap & diode values

PCB problems and fixes
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maxisoft2
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Capcom CPS2 19XX game board: Looking for cap & diode values

Post by maxisoft2 » January 19th, 2014, 2:32 pm

Dear fellow arcadees,

I'm currently fixing a 19XX CPS2 gameboard that has taken a very bad beating from a leaking battery. The corrosion has destroyed
most solder joints and parts around the battery area, so I'm desperately looking to find the right values so I can buy replacements.
The parts I have to replace are:

Image

D1: A diode that points out "B3". According to google it can be 6 different parts (Schottky, zener ....)
Can't really find what is soldered here but the joints need to be re-done due to corrosion so I would like
to completely switch out the part.

D2: A diode, too, but no clue what kind or value
D5: I suppose the same that should be on D1
CX: Some type of capcitor needs to go here. But what kind of value - I got no clue.

Any chance that anyone here knows what values those should have or what kind they should be?

Happy to hear from you guys,

greez,
- Max

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Tyranix95
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Re: Capcom CPS2 19XX game board: Looking for cap & diode val

Post by Tyranix95 » April 10th, 2014, 8:06 am

CX.

The mobo revision determines if there are caps here or or not.

For example: the -7 has no caps here.

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Tyranix95
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Re: Capcom CPS2 19XX game board: Looking for cap & diode val

Post by Tyranix95 » April 10th, 2014, 8:07 am

Vias for D2, D3, D4 are filled with solder.

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Tyranix95
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Re: Capcom CPS2 19XX game board: Looking for cap & diode val

Post by Tyranix95 » April 10th, 2014, 8:10 am

If you don't know what D5 is, then pull it from a parts board.

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