Power supply circuit and television

The utility model is applicable to the field of electronics, and provides a power supply circuit and a television. The power supply circuit comprises an electromagnetic interference circuit, a first stage rectifying circuit, a main power supply circuit, a standby control circuit, a voltage conversio...

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Bibliographische Detailangaben
1. Verfasser:	CHEN ZANTIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	The utility model is applicable to the field of electronics, and provides a power supply circuit and a television. The power supply circuit comprises an electromagnetic interference circuit, a first stage rectifying circuit, a main power supply circuit, a standby control circuit, a voltage conversion circuit, a secondary rectifying and filtering circuit and a feedback circuit, wherein the voltage conversion circuit comprises an electronic switch circuit, a main power supply VCC control circuit and a transformer. The power supply circuit adopts a brand new topological structure, thereby solving a short circuit fault existed in the prior art and a problem that the television is burned by fire caused by an automatic rising of the voltage in a standby mode, and improving safety performance of a power supply.