I am looking for the service manual for Samsung HCH551W. I have replaced the convergence chips and need to perform a full convergence. I didn't see any burnt resistors on the convergence board. I can get into the service menu and get a grid on the screen but I am unable to figure out how to adjust it. The key combination mute-1-8-3-power doesn't get into a convergence menu like some other sites state. There is no "magic focus" or self focus on this unit from what I have been able to find. Thanks.