7-2. BLOCK DIAGRAMS – BD (CD) SECTION – 09 • SIGNAL PATH : CD :
Digital out FOCUS COIL TRACKING COIL PD FD F A B C D E DETECTOR OPTICAL PICK-UP BLOCK (KSS-213B/K-N) LD POWER LASER DIODE 16K RAM PWM PWM 3rd ORDER NOISE SHAPER OVER SAMPLING DIGITAL FILTER SERIAL IN INTERFACE SUBCODE PROCESSOR DATA BUS D/A INTERFACE TIMING LOGIC ERROR CORRECTOR SERVO AUTO SEQUENCER SERVO INTERFACE CPU INTERFACE DIGITAL OUT 75 LOUT2 76 AIN2 77 LOUT2 72 LOUT1 71 AIN1 70 LMUT 80 LMUT 79 RMUT 27 SSTP 9 SCLK 14 XLON 20 SCOR 7 CLOK 6 XLAT 5 DATA 8 SENS SQCK 3 SQSO XRST 60 D OUT 67 STAO 66 XTA1 S101 LIMIT SW 2 1 X101 16.9344MHz R OUT HOLD L OUT +5V SQCK SCOR CLOK XLT DATA SENS SQSO XRST DOUT MAIN SECTION (Page 25, 27) A (KSS-213B/K-N) IC101 DETECTOR DIGITAL SERVO IC103 DIGITAL SIGNAL PROCESSOR E VCC RF AMP VC A A 5 C C RF A B DC D 7 8 D SU AM MM PING R AF M E PQ RF 16 51 RF AC B B 6 F FOCUS ERROR FF 14 INTEG- 49 ASY1 AMP RATOR ASYMMETRY DIGITA ASY0 CORRECTION PLL 48 E E TRACKING F 11 F ERROR TE 13 10 AMP LD LD DRIVE 3 VC Q101 BUFFER 12 VC PD APCLD/PD LDON 4 22 AMP FD LASER VC DIODE VREF VC 38 CE 42 RFDC PD 43 FE OPERATIONAL 39 TE AMPLIFIER A HOLD SW REF 41 ANALOG CONV 21 15 SWITCH INTEG- SE LD IC102 RATOR 40 POWER FOCUS/TRACKING COIL DRIVE SPINDLE/SLED MOTOR DRIVE CE T+ 42 11CH2OUTR TRACKING COIL T– 12CH2OUTF CC HH 22 RFI IN N 5 6 T TF RD DR R GENP EW RAM TOR S TFDR TRACKING F+ 14CH1OUTF 30 TRDR PWM T FOCUS 31 GENERATOR COIL F– CH1FIN 2 FFDR 13CH1OUTR CH1RIN 3 FRDR 32 FFDR FOCUS FRDR PWM M102 SD+ 17CH3OUTF 33 GENERATOR MS OL TE OD R M SD– 18CH3OUTR C CH H3 3R FII NN2 23 S SR FDD RR 22 89 SS FR DD RR GENS P EL W RE AMD 4 TOR SP+ M101 15CH4OUTF SPINDLE M MDP DIGITAL MOTOR SP– 16CH4OUTR CH4SIN25 26 CLV CH4BIN27 VC MUTE20 IGNAL PATH IC101 DIGITAL SERVO DIGITAL SIGNAL PROCESSOR RF AC 1 ASY1 9 ASYMMETRY DIGITA ASY0 CORRECTION PLL 8 VC 8 CE 2 RFDC 3 FE OPERATIONAL 9 TE AMPLIFIER A 1 ANALOG CONV SWITCH SE 0 CE 2 PWM GENERATOR S TFDR TRACKING 0 TRDR PWM T 1 GENERATOR FFDR FOCUS 2 FRDR PWM 3 GENERATOR SRDR SLED 9 SFDR PWM 8 GENERATOR MDP DIGITAL 6 CLV XTA1 6 TIMING 16K ERROR LOGIC STAO RAM CORRECTOR 6 BUS DATA EFM D/A DIGITAL D OUT DEMODULATION INTERFACE OUT 6 XRST SQSO SUBCODE SQCK PROCESSOR SENS CPU INTERFACE SERVO DATA AUTO XLAT SERIAL IN SEQUENCER CLOK INTERFACE SCOR OVER SAMPLING 2 DIGITAL FILTER XLON 1 3rd ORDER NOISE SHAPER SCLK SERVO TER PWM PWM INTERFACE SSTP 2 RMUT 7 LMUT 8 LMUT 7 AIN1 7 VO DSP CKING LOUT1 7 ERVO LOUT2 7 OCUS ERVO AIN2 7 LED LOUT2 ERVO 7 DIGITA PLL L OPERATIONAL AMPLIFIER ANALOG SWITCH A CONV /D ER TER S ER VO DSP CKING ERVO OCUS ERVO LED ERVO T RA S CKING ERVO F S OCUS ERVO S S LED ERVO DIGITAL CLV E A C B D F A C A C B D F PWM GENERATOR TRACKING PWM GENERATOR FOCUS PWM GENERATOR SLED PWM GENERATOR TRACKING PWM GENERATOR FOCUS PWM GENERATOR SLED PWM GENERATOR