Question about Samsung HT-DM550 System
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Posted on Jan 02, 2017
SOURCE: My Samsung HT-DM550 shows "lock"
Be careful to do this with AC cable disconnected from AC outlet! If you have some experience with electronics, disconnect the wired plugs from power supply and discharge electrolitic capacitors to ground with a 330 ohm 1 watt resistor. Then reconnect the wired plugs. Be careful to do this with AC cable disconnected from AC outlet! Then connect to AC outlet and turn on the DVD player. You will see that DVD player restores to normal operation again.
Posted on Nov 04, 2010
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