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Quick Samsung power supply introductory testing video.
Illustrate on BN44-00222A, but applies to most Samsung plasma TV power boards.
LG plasma TV power supplies are slightly different in that they require PS-ON pin to be connected to +5V and not to GND.
Also, some later models - especially LG's, but also some from Samsung - have an auto-start feature, where board is automatically fully activated upon connection to AC power if it is not connected to the main and logic boards.
In other words, do not translate everything said and shown here to 100% of other power supply boards; the principles are the same, but there may be small and important differences.
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