Tp.ms6486t.pb753 Schematic |best| Link

: The integrated LED driver circuit can fail even if the main logic is functional, resulting in sound but no picture. Schematic Sources

Scattered across the schematic are tiny 3-pin and 5-pin LDOs. Common part numbers found on the TP.MS6486T.PB753 include: tp.ms6486t.pb753 schematic