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Stern SpiderMan - keeps forgetting balls and freegame settings

Biff

Biff

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Joined
Jul 21, 2011
Messages
1,136
Location
Near Grantham
Alias
****a
Hi

I changed the battery for one in my working Iron Man, swapped them over. The problem stays with Spider man and iron Man continues to work okay.

Any ideas? I assume this is just going to be bad contact on the battery holder or dry joint somewhere to a RAM somewhere?

High scores stay the dame oddly enough.

Any ideas please?

Cheers

JB
 
Trace the path of the battery voltage and check it with a multimeter. Make sure the volts are getting to their destination.
 
Biff said:
why are the scores not being lost though?
Click to expand...
Don't know mate. But it would give you a starting point to try and find out what is happening. I haven't had any Stern SAM problems yet so have done no repair work on any of my games.
Have a search through the archives on Pinside.
 
I sent the query to Stern. Tech support say it sounds like a faulty Ram Chip. I need to contact a local supplier and get them to fix it. Seen on another thread on the yahoo group U11 or U19, cant recall exactly right now.

So who fixes these PCBs? @philpalmer is this something you can help with please? It doesn't happen often. Guy oi bought it off said it lost info once, it happend to me once a few weeks ago then yesterday happend three times in a row and has not happend since.

Cheers

JB
 
sounds stupid... try disconnecting the power to the flo tube for a day or two and see...
 
Phil. I have taken the starter out, should be enough right? I assume you are thinking the inductive action of the choke could be what is causing the loss?

Cheers

JB
 
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