Sharp CD-E600 Service Manual - Page 9
Lc78646e, Servo
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CNP4 CNS4 BI4 LOADING MOTOR R-CH AGND L-CH DGND D5V (+B5) A5V (+B5) D_GND +7V (+B6) CNP5 TO MAIN SECTION 123 45 67 8 WRQ DRF CE DO DI CL CD RES CLAMP SW O/C, DISC NO CNP6 SW1 OPEN/CLOSE TO DISPLAY SECTION 1 2 3 4 5 6 7 8 9 10 SW2 CLAMP SW3 DISC NUMBER + - M3 CD-E600/CD-E66 M 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 T/T UP DOWN 42 45 61 CE 62 CL 63 DI 64 DO 65 VWRQ 66 VRES 67 DRF 48 XOUT 49 XIN 5 77 18 47 +3.3V LCHO RCHO CONT4 CONT3 CONT2 Q3 25 70 71 75 69 57 56 55 51 50 43 IC1 44 40 LC78646E 37 CD SERVO 28 19 6 CONT 5 26 41 46 7 8 9 10 SLDO 23 SPDO 22 FD0 21 TD0 20 79 80 +3.3V Q2 CONSTANT VOLTAGE Q1 +5V +6.5V TO FD SLDO SPO 24 17 13 15 28 27 2 3 1 VCC2 IC2 LA6574H 30 FOCUS/TRACKING/ SPIN/SLIDE 29 22 DRIVER 26 12 IC 4 5 67 8 9 10 11 XL1 16.933 MHz RFVDD VVDD ADAVDD XVDD LVDD RVDD FIN1 FIN2 TIN1 TIN2 LDS LDD +3.3V LASER DRIVER FOCUS COIL TRACKING COIL PICKUP UNIT +5V Figure 9 BLOCK DIAGRAM (1/3) - 9 - M M1 SPINDLE MOTOR M M2 SLED MOTOR SW4 PICKUP IN