This part is a kind of semiconductor called LA1265.

Function of this product has FM/AM Tuner of Electronic Tuning Type.

Manufacturers : Sanyo Semicon Device

Image and pinout :

Some of the text within the PDF file :

Ordering number : EN1820C Monolithic Linear IC LA1265 FM/AM Tuner of Electronic Tuning Type Functions Package Dimensions FM : IF amplifier, quadrature detector, AF preamplifier, unit : mm signal meter, tuning indicator drive output (common 3059-DIP22S with stop signal, muting drive output). AM : RF amplifier, MIX, OSC (with ALC), IF amplifier, detector, AGC, signal meter, tuning indicator drive output (common with stop signal). [LA1265] Features • Minimum number of external parts required. • Excellent S/N. • Local OSC with ALC. • Local OSC buffer. • Tuning indicator pin (common with narrow-band stop signal and muting drive output). • Variable stop sensitivity (variable separately for FM, AM) • Low whistle. • Signal meter pin. SANYO : DIP22S Specifications Maximum R [ ... ]

LA1265 PDF Datasheet Download