This circuit diagram apply for LG Flatron Color Monitor L1720B CL-43 chassis. LG Flatron Color Monitor consists of three main parts, the Video Controller Part & Display Data Transmitter , Micom Part and Power Part. The Video Controller Part & Display Data Transmitter Part (MST9111) amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. Free download PDF file