This part is a kind of semiconductor called CXA1182S.

Function of this product has Servo Signal Processor.

Manufacturers : Sony

Image and pinout :

Some of the text within the PDF file :

SONY'; For the availabilit of this roduct Description CXA 1182 is abipolar IC designed for the servo contral of compact dlsc players. CXA1182Q-Z/S I lease contact the sa es CXAl182Q-Z 48 pin QFP (Plastic) Servo Signal Processor for CD Pla er 0 CXA 11825 48 pin SDI? (Plastlc) Features • Single power supply, 5V Dual power supply, ± 5V • Low power consumption ± 5V; 165mW (Typ.), 5V: 100mW (Typ.) .• Servo functions same as the CX201 08 (foeus, traeking, and sied servo) • Built-in lPF for spin die servo • BuHt-in loop filter and VCO for EFM clock reproduction PLl • Few external parts • Built-in cireuit to prevent sIed runaway • Built~in circuit for disc defects • BuHt-in anti-shoek circuit • High-speed access through linear motor • Microcomputer seria! data bus common [ ... ]

CXA1182S PDF Datasheet Download