ONE FAULT PER MOTHER BOARD Attached is the diagram with the nine faults.
1.Bridge rectifier faulty one diode open circuit.
2.SCR2 faulty open circuit.
3.Load Faulty; Lamp open circuit.
4. Zener diode short circuit.
5.Zener diode open circuit.
6.UJT faulty.
7. Rheostat open circuit.
8. Healthy board.
9. Supply fuse blown
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