This part is a kind of semiconductor called LA4268.

Function of this product has 10 W Monaural Power Amplifier.

Manufacturers : Sanyo Semicon Device

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Some of the text within the PDF file :

Ordering number: ENN7093 Monolithic Linear IC LA4268 10 W Monaural Power Amplifier Overview The LA4268 is a 10 W power amplifier intended for televisions. This IC has a series of pin compatible monaural and 2channel power amplifiers, thus allows the end product to use a common circuit boad. Package Dimensions unit: mm 3248-SIP10HD [LA4268] Features • Television audio output. • Pin compatible with the LA4266 (3 W)/4267 (5 W) and the LA4276 (3 W × 2)/4277 (5 W × 2)/4278(10 W × 2). • Package: SIP-10HD (2.54 mm pitch, straight pins). • Thermal protection circuit and overvoltage protection circuit on chip. • Output power: 10 W (VCC = 28 V/RL = 8 Ω). 25.6 C0.7 3.4 (10.0) 2.0 2.4 1.0 min 1 1.37 2.54 0.5 1.15 10 4.5 13.9 11.2 (11.8) 15.4max 0.4 1.2 Specifications Maximum [ ... ]

LA4268 PDF Datasheet Download