Chapter 5. Circuit Description; Circuit Description (Refer To The Service Manual Of Fo-4700U/Fo-47Uc); Circuit Description Of Control Pwb (Refer To The Service Manual Of Fo-4700U/Fo-47Uc); Circuit Description Of Liu Pwb (Refer To The Service Manual Of Fo-4700U/Fo-47Uc) - Sharp FO-4650 Service Manual