This part is a kind of semiconductor called TDA7269A.

Function of this product has 14+14W STEREO AMPLIFIER WITH MUTE & ST-BY.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

® TDA7269A 14 + 14W STEREO AMPLIFIER WITH MUTE & ST-BY WIDE SUPPLY VOLTAGE RANGE UP TO ±20V SPLIT SUPPLY HIGH OUTPUT POWER 14 + 14W @ THD =10%, RL = 8Ω, VS = +16V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) SHORT CIRCUIT PROTECTION TO GND THERMAL OVERLOAD PROTECTION DESCRIPTION The TDA7269A is class AB dual Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. Figure 1: Typical Application Circuit Multiwatt11 ORDERING NUMBER: TDA7269A +VS 1000µF MUTE/ ST-BY IN (L) 1µF 5 7 + 8 15K +5V µP 18K GND 9 10 IN- (R) 4 OUT (L) 18K IN- (L) 4.7Ω 100nF 560Ω 560Ω 18K 1µF IN (R) 11 + 1 6 -VS 1000µ F D94AU085 15K 1µF 3 RL (L) 2 OUT (R) 4.7Ω 100nF RL (R) Jul [ ... ]

TDA7269A PDF Datasheet Download