JSK4180-024A Power Supply

[epi]

I started this topic in the manuals forum, here's a resume of a days schematic hunting.
This power supply is very similar to ones found in the following service manuals, SAMPO LM32SF, SHARP LC-32SH25E and SHARP LC42SB45U, if they are not in downloads I'll put them up.
I'll add here a near schematic, and pics of the psu's I have for repare with notes.
I have been sent three psu's with same fault, Normende N263LD,  on set switch on, the blue led comes on but set dead, always 5V ok, no 12V or 24V. If I sort the fault out I'll post it here, if anyone knows this psu fault let me know.

Frank