I've been discussing this elsewhere but I thought I'd bring it over here as well as it may at least be interesting.

Scenario: Newly bought Heated Barrel (TAD Corp., 1992, three-quarters view side-scrolling shooter a bit like Mercs) video won't sync via the XRGB-2. Using a VGA CRT I get flashes of the game graphics, and they look fine, but it won't stay in sync. Sound and controls are fine from what I can tell.

Likely cause: Some pins on one of the custom CPUs, a surface-mounted quad flat package, are broken, and there may be a short as well. I took a handful of photos that you can see here: http://www.megaupload.com/?d=WSZBVLU7 (caution: ~43MB altogether)