Sunday 29 April 2018

TCL LES9B21 – LCD TV Power supply regulator – schematic


Used ICs: FAN7930C, AP11N5501{FET}, OB2283B, OZ9976


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LG 52LG50FD, 52LG50FD-SA-Service adjustments-service mode entry-white balance adjustment-ADC component 1 RGB adjustment and more

  These adjustments are similar to 42LB7DF Because this is not a hot chassis, it is not necessary to use an isolation transformer. However...