PE4240N more

[bklein]

Some other questions:
My set uses 42V6 (LG?) modules.  I found the "PDP Module Service Manual" on the net.  It has a section 2-7 with "screen display form" pictures.  My failure is Case #1.  For it it says ""its due to incrorrect marking of scan wave".  What the heck does that mean?  Where do I look with a scope?

Is there a service manual for a set using these boards on this site or another that helps me check areas with the scope to find the bad board?

Also is there a power on sequence that then displays a LED flash code for the bad board?

Thanks,

Barry