| 摘要 |
The liquid crystal television receiver comprises an inverter circuit 28, transistors Q14, Q13, and a microcomputer 22. The inverter circuit 28 includes resistors R5, R6, R7, R8 determining the value of a tube current that is supplied to cold cathode fluorescent tubes of a backlight 26, and supplies to the cold cathode fluorescent tubes an alternating voltage. An emitter and a collector of the transistor Q14 are connected to two opposite ends of the resistor R6, and an emitter and a collector of the transistor Q13 are connected to two opposite ends of the resistor R7. The microcomputer 22 has a control terminal connected to bases of the transistors Q13, Q14, and detects a synchronizing signal in an image signal inputted to an image signal processing portion 12. |
