Hello:
Check the main fuse if the unit blown especially if the unit is totally dead meaning no light on the main panel comes on. You may of had a power surge that blew the fuse. If you find the fuse good and the unit still does'nt power up then you have a power supply problem or something external of the PS is loading it down.
I know its a power supply problem. The power supply itself failed on the input part. As I explained in my problem description I need a citcuit diagram for the power supply unit itself to fix it. The fuse blows because the MOV's failed, because a TRIAC failed. But to understand and fix the problem on the power supply I need a circuit diagram for it
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