Mitsubishi ws-55859 projection tv with 2-3 error...

Question

2-3 error code is horizontal deflection.......i checked the horizontal output transistor and checked fine....prior to this error i was getting 2-2 so i cahnged the 2 conv ics and also found 2 bad conv resistors so changed them and now i get error 2-3i also checked solders at flyback transformer and two T marked transformers and the solders are fine......what else can i check