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Vader 2600A showing no signs of life

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I know I'm new, and I hate to just bust in here with a problem like this, but I really don't know what else to try. I'll appreciate any help I get. I recently found this 2600 in a shed and was really excited to get it hooked up since my original 2600 was stolen a couple years ago. Well I got it all set up, turned it on expecting to see Maze Craze(love that game, don't know why), but nothing happened...   tried a few more games.. still nothing.

So I'm just gonna go right into details on this and try not to make it too long of a post. I have a feeling it might be one of the IC chips, but figured I would ask before I looked into replacing them, or finding a new system.

I have it hooked up to the same tv that I play my telegames system on, so it should work since it's the same setup as the 2600, right? When I turn it on I get nothing, not even a blip in the picture, just static from the tv. Could it be the rf box on the motherboard? I've tried several different games, and cleaned the cartridge slot and cartridges. Motherboard appears to be in great shape, no dust or anything. I tried a different cable running from the rf box on the motherboard to the tv, still nothing. AC adapter seems ok, works on my telegames system, and the power regulator on the motherboard puts out 5.18v(don't know if thats too high or what), the ICs all have power at about 5v and good grounds, none of them get warm though.. They're soldered on so I even went as far as redoing the solder points on all the chips and also the cart slot. I've looked all over the board for broken solder points, but its hard to tell. It's a rev 16 if that matters.

After all of this it still shows no signal. I haven't tried cleaning the channel select switch, but I have flipped it back and forth several times, you'd think it would do something, anything, a pop noise or a change in the static from the tv, right? I won't rule that out, but its already put back together and wanted to ask someone before ripping into it again.

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