Tuesday 23 May 2017

Philips 42PF9946-12, and Samsung power supply – LJ44-00075A, LJ44-00058A schematic

ICs used: LM399D, MC34063AD, MC33368, MC34067P, TEA1507
Protection
AUX section
Pre conditioner
LLC section
Filter standby section

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...