Samsung PCN5425R 54" Rear Projection Television "push corp com" Questions

...push pull type transistor array just like a low power audio amp. there are 6 NPN and 6 PNP type transistors. they also use preamp to drive these transistors. Then to make life a bit more difficult, ...

...on my tv but the picture is black. I hear the tv turn on and see the red light. However, even after pushing power the red light stays lit. Any advice? Also, how hard is it to replace the convergence ...