It worked! Struggled a bit with disassembly because my model is different than the guide, and I wasn't sure how long to keep the heat gun on the chips. But it fired right up, and I was able to eject the Blue Ray from the public library, so that was good. Then I played Ratchet & Clank from the HD for about an hour, and all seemed well. Will see if I can play from a disc tonight. Hope it lasts. I'm not averse to buying a PS4, but I have all these PS3 games — it would be a shame to never get to play them again.