K6100 deflection issue after full rebuild

I have a k6100 that was working but had some issues so I did the full deluxe Bob Roberts kit on the thing to shotgun it. Now there's no horizontal deflection at all but appears to work otherwise.

So....what is the most likely thing that I screwed up? One of the chassis mounted transistors? Perhaps I grounded one out somehow? One thing I did notice was that a couple of the screws had some heat-sink compound on them. Could it be that I didn't clean them well enough and one of them isn't making sufficient contact? Would that cause this?

What's the recommended way to track this down? Thanks guys!
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Received on Fri Aug 26 21:11:50 2011