In LG Monitor, powersupply was the problem. After repairing it, the problem now is the output from the SM Transformer keeps varying ie. 50V then 20V then 49 V and so on. The same problem with 80V, 16V, 6.3V and 5V. The powersupply is isolated from all its outputs. Tried replacing the 3842 and its associated components. The problem remains. Kindly help
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