LG RM20LA70. When powered on there is no picture or sound exepted for a sceaching coming from the speakers.As it warms up it will slowly start working. tried heating it and freezing it wit no success.
...2 mins. The Tools you will need are A SERVICE MANUAL a Good Multimeter, a Signal generator, a Signal Tracer, pref an Oscilloscope, Soldering Iron, De-soldering iron, Probably, too, A SMT Hot Air ...
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