Sony APS-349 Product Description

Sony APS-349 is integrated TV power supply & LED driver board for Sony KDL-40R series LCD television equipment. This TV power supply & LED driver board converts AC mains input into multi-channel DC output to supply mainboard and backlight LED panel. The compact TV power supply & LED driver board is built inside TV housing with multi-pin plug terminals for quick connection. This TV power supply & LED driver board provides stable power for TV signal processing and backlight illumination.

APS-349 delivers reliable multi-channel DC power conversion for simultaneous power supply to mainboard and LED backlight strip. Stable multi-channel DC power conversion maintains proper voltage for LED backlight and logic circuit under normal AC input. Efficient multi-channel DC power conversion controls backlight brightness and suppresses power harmonic ripple. Dependable multi-channel DC power conversion ensures stable image display during long-time running.

This unit features onboard protection circuit assembly including over-current, short-circuit, over-temperature and over-voltage protection. The robust onboard protection circuit assembly triggers automatic power cut when abnormal faults occur. The high-reliability onboard protection circuit assembly prevents board burnout and protects TV panel from damage. This durable onboard protection circuit assembly simplifies fault diagnosis and spare replacement during TV maintenance.

Sony APS-349 is widely matched with KDL-40R450A, KDL-40R470A, KDL-40R473A, KDL-40R474A LCD televisions. It adopts multiple pin connectors for power output and signal connection. It is discontinued original spare board for repair and retrofit of Sony 40 inch R series LCD TV.