NEC MultiSync LCD2080UX -BKA Service Manual page 129

2.9 Switching Regulator Circuit ................................................................................................. 7-10
2.9.1 Rectifying Circuit ........................................................................................................... 7-10
2.9.2 Main Power Supply ON/OFF Circuit ............................................................................. 7-11
2.9.3 Auxiliary Power Supply Circuit ...................................................................................... 7-12
2.9.4 MAIN SW.REG Converter Circuit .................................................................................. 7-13
2.9.5 Output Rectifying and Smoothing Circuit ...................................................................... 7-14
2.9.6 Error Detection Amplifier Circuit and Control Circuit ..................................................... 7-14
2.9.7 Over Voltage Protection ................................................................................................ 7-15
2.9.8 Over Current Protection ................................................................................................ 7-15
2.9.9 Power Factor Correction (PFC) Circuit ......................................................................... 7-16
2.9.10 SUB Switching Regulator Circuit ................................................................................ 7-17
2.9.11 Over Voltage Protection (SUB Switching Regulator) .................................................. 7-18
7-2