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intellivision capacitor soldered wrong from factory


sprazzi

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https://www.youtube.com/watch?v=84EUgfw4gCk

 

Interesting video (in italian) about a restoration and attempt to load cassette files into an ECS

 

What's worth of notice, I reckon, is that he finds out that a capacitor in the Intellivision itself seemed soldered postive on negative FROM THE FACTORY, leading to weird malfunctioning...

 

cheers

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I'm not familiar with PAL consoles, but the NTSC console does have those two caps reversed from one another in that same spot. But it is silkscreened that way on the board and indeed it is done with one of them reversed and the positive being attached to the ground trace that the other is connected on its negative lead to. Seen it that way on each one I've worked on in regards to the model 1 version of the console. 

 

But again, on the PAL consoles it might be different.

 

The caps in question on the NTSC version that are reversed are C27 and C30 as can be seen in the capacitor map from console5 in the link below:

 

Intellivision-I-+-III-Cap-Map.png

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