UMC

Forum discussion tagged with UMC.
  1. M

    UMC/57G-GB-FTCU-UK Intermittant on/stand by.

    Over the last few months this set has been intermittently failing to start up. Now permanently on s/by.All electrolytic caps in power supply secondaries have been changed(9).All supply voltages seem to be operating namely 5v, 12v & 24v. Before the receiver went to permanent s/by (powered up) I...