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CD-E500CD-E55/E44TO MAIN SECTIONR-CHAGNDL-CHDGND+7V (+B5)MGNDCLDIDOVWRQDRFCD RESCEROTATECLOSE_SWDISC 1_SWDISC NO._SWOPEN_SWDOWN_SWUP_SWCNS2053 21 6 5 43 2 1CNS204CNP40511 10 9 8 7 6 5 4 3 2 1SW401DISCUP/DOWNSW402OPEN/CLOSEQ412CONSTANTVOLTAGESW403DISC NO.SW404DISC 1756957565545 42 68 41 46 64 63 62 67 66 65 61RCHOLCHOVDD5LVDDRVDDDODICLDRFRESVWRQCE+7VQ401,402Q403,404Q405,406Q407,408+–M–MM402ROTATEMOTOR51504443403728196IC401LC78646ESERVO/SIGNAL CONTROL+M401UP/DOWN LOADINGMOTORXL40116.9344 MHz48 XOUT49 XINRFVDDADAVDDVDDXVDD5+3.3VVVDDVREFFIN1 AFIN2 BTIN1 ETIN2 F18 38 47 77 11 7 8 9 10LDSLDD79 80CONT4 25CONT5 26SLDO 23SPDO 22FDO 21TDO 20+7V2 MUTE4121927130VCCVCCIC402LA6548DFOCUS/TRACKING/SPIN/SLEDDRIVER24~229~7+3.3VCONSTANTVOLTAGEQ411LASERDRIVER29 VREFREG_INREG_OUT25 26 20 21 15 14 6 5 11 10Q409+3.3V+3.3VVCCVCECABCFLDMD+5VFOCUS COILTRACKING COILCD PICKUP UNITNM802SPINDLEMOTORNM801SLEDMOTORMM+––+SW1PICKUP INFigure 18 BLOCK DIAGRAM (3/4)– 18 –
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