Étude d'une carte d'alimentation de télévision (partie 1/2)

This two-part video explains the operating principle of a switching power supply in a SONY Bravia KDL-19L4000 television with CCFL backlighting. Chapters: Introduction: 00:00 Finding the power supply board schematic: 01:38 Matching the schematic to the board: 03:26 Visualizing the CCFL tubes: 07:04 Identifying the components: 08:10 Finding a datasheet: 10:52 Datasheet for the DAP011 PWM controller: https://datasheetspdf.com/datasheet/D... Schematic analysis: 12:50 Conclusion: 25:47 Sony Bravia TV repair:    • Panne vicieuse sur téléviseur SONY Bravia.   Diode tester:    • DIY - Testeur simple de diodes (DEL, Zener...   NTC and PTC thermistors:    • Thermistances : notions de base sur les  N...   ESR and capacitance test of a capacitor:    • ESR et capacité des condensateurs : notion...   Optocoupler:    • OPTOCOUPLEUR :  c'est quoi et comment le t...   Electrotanya website, DPS-70EP power supply board schematic: https://elektrotanya.com/sony_1-857-1... #power #switching #schematic #study #reading #electronics #television #sony #backlight #CCFL