INTRODUCTION
The KB9224 is a Servo Signal Processor designed specifically for the Samsung Video-CD designed using the BICMOS process. RF Block and Picture Quality Enhancing Items are built-in. The processor is a Hard-wired Free Adjustment Servo with the Pre-signal parts adjustment point automatically adjusted.

FEATURES
• Focus Error Amplifier & Servo Control
• Tracking Error Amplifier & Servo Control
• Sled Amplifier
• Embedded CLV Control LPF
• APC (Auto Laser Power Control) Circuit for Constant Laser Power
• Double Speed Play Available
• Circuit for Interruption Countermeasure
•  Mirror, FOK & Defect Detector Circuit
• FE Bias & Focus Servo Offset Free Adjustment
• EF Balance & Tracking Loop Gain Free Adjustment
• Tracking Servo Offset Free Adjustment
• Enhanced Auto-Sequence Algorithm (Fast-Search)
• Tracking Mutting by Window Mirror
• Current, Voltage Pick-up Interaction available
• Embedded RF 3T Boost Circuit
• Enhanced RF Equalize AGC Circuit
• Built-in Envelope EFM Slicer
• Built-in DSP C1-flag Control Circuit
• RF Peaking Prevention Circuit
• Focus & Tracking mutting by EFM Duty Countermeasure
• Built-in Focus, Tracking 2x Filter Adjust
• Single Power Supply: +5 V
• - Related Products
   . KS9287 Data Processor
   . KA9258D/KA9259D Motor Driver