If your interest is in professional video software rather than hardware repair, provides official presentation resources for developers:
: Before installing such a chip, technicians verify board health by checking for bulging capacitors or measuring critical voltages on the TCON board (like Von, VGH, and VCOM). Download Book LCD LED Presentation Black Magic Chip rar
: These "chips" (actually small circuit boards) act as a substitute for the TV's original power controller to restore high-voltage AC conversion into low-voltage DC. If your interest is in professional video software