[TechAssist] HELP- MAG. PN3046 A104 PTV420-A104 dead

Hey guys
Anyone have any data/tips on this one or a scan of p.s. would be great MAG.
ptv-420-ah01,found shorted reg.Q401 change it and the reg.controler ic.401
and d419.Chopper still not switching ,There two small LEDs on the p.s. board
what are the for (statis) ? thay are off .any help would be
appreciated.............bob

HAVEA GREAT DAY!

ELECTRON WORLD
 GUTHRIE   KY
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