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Download Model FL8370 SERVICE MANUAL
Transcript
FL8370 KB9223 RF AMP & SERVO SIGNAL PROCESSOR OVERVIEW 80-QFP-1420C The KB9223 is a 1-chip BICMOS integrated circuit to perform the function of RF amp and servo signal processor for compact disc player applications.It consist of blocks for RF signal processing ,focus, tracking, sled and spindle servo.Also this IC has adjustment free function and embedded opamp for audio post filter. FEATURES • RF amplifier & RF equalizer ORDERING INFORMATION • Focus error amplifier & servo control • Tracking error amplifier & servo control Device • Mirror & defect detector circuit KB9223 • Focus OK detector circuit KB9223-L Package Tempe. Range 80-QFP-1420C -20°C ~ +70°C • APC(Auto Laser Power Control) circuit for constant laser APPLICATIONS power • FE bias & focus servo offset adjustment free • CD Player • EF balance & tracking error gain adjustment free • Video-CD • Embedded audio post filter RELATED PRODUCT • The circuit for Interruption countermeasure • KS9286 Data Processor • Double speed play available • KS9284 Data Processor • Operating voltage range • KA9258D/KA9259D Motor Driver KB9223 : 5V KB9223-L : 3.4V M/M-97-P006 1997. 10. 17 37
