This part is a kind of semiconductor called AN5151.
Function of this product has LINEAR INTEGRATED CIRCUIT.
Manufacturers : Unisonic Technologies
Image and pinout :

Some of the text within the PDF file :
UNISONIC TECHNOLOGIES CO., LTD AN5151 LINEAR INTEGRATED CIRCUIT TV VIF & SIF & DEFLECTION SYSTEM (FOR TV LARGE INTEGRATION) DESCRIPTION The UTC AN5151 is a monolithic integrated circuit containing all stage for the VIF,SIF and deflection of television receivers. FEATURES *Hight integrated technology makes it possible the integration of video IF circuit tuner AFC circuit sound. IF circuit and deflection.-jungle circuit on one single chip. *supply voltage range:8V to 12V FUNCTIONS *IF Amplifier, IF AGC *Video Amplifier, Video Detector *Noise Canceller, Forward RF AGC *Tuner AFT,SIF Amplifier *Sound Detector, sync separation *Vertical oscillation trigger and driver *Horizontal oscillation driver and AFC ORDERING INFORMATION Ordering Number AN5151G-D28-T Package DIP [ ... ]
AN5151 PDF Datasheet Download
