View m52743 datasheet:

MITSUBISHI ICs (Monitor) M52743SP/M52744SP I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER DESCRIPTION PIN CONFIGURATION (TOP VIEW) M52743SP and M52744SP is semiconductor integrated circuit for CRT display monitor. It includes OSD blanking, OSD mixing, retrace blanking, wide band OSD BLK IN 1 36 VCC2 amplifre, brightness control. INPUT(R) 2 35 OUTPUT(R) Main/sub contrast and OSD adjust function can be controlled by I2C VCC1(R) 3 34 EXT FEED BACK(R) bus. OSD IN(R) 4 33 GND2 GND 1(R) 5 32 OUTPUT(G) FEATURES INPUT(G) 6 31 EXT FEED BACK(G) • Frequency band width: RGB.............................150MHz (at -3dB) 7 OSD..............................................80MHz INPUT(SOG) 30 MAIN BRIGHTNESS Input :RGB.............................................................0.7VP