Oddly enough no, some titles played ok and others didn't, I went down the route of changing the laser, then double checking burns, pulling hair out,...
to be certain take a look in my guide for flashing using a 360 and a pc, there a link to all known compatible chip sets in it. If your's isn't listed...
I now have a Slim 250 customized by me and a 2005 USA launch 360 also customized by me. I have now successfully flashed all phat dvd drives and doing them is second nature and i've never had a failure. RROD repair is also going well with every sealed console i receive being repaired. The only ones beyond econimical repair are those that have been tampered with. If you need any technical help then please ask. [email protected]