BeoLab 14 (BeoPlay S8) power supply repair

in Imported Content (Unmapped) · Jul 17, 2021 21:23 GMT

Part numbers might be handy . . . Active PFC controller chip: UCC28061 Texas Instruments MOSFETS: FDP20N50F Fairchild (onsemi) Double diode for PFC: STTH16L06 ST Micro +/-15v flyback controller chip: TNY278PN Power Integ…

BeoLab 14 (BeoPlay S8) power supply repair

in Imported Content (Unmapped) · Jul 17, 2021 21:16 GMT

It seems that B&O no longer has these boards available (!) . . . so we're back to component-level repair to save these products . . . Here's a quick run-down of the board layout and its overall block diagram, shown in th…