Sharp CD-E88 Service Manual - Page 9

CNP4 CNS4 BI4 LOADING MOTOR R-CH AGND L-CH DGND D5V (+B6) A5V (+B6) D_GND +7V (+B7) CNP5 CNS601 TO MAIN SECTION 123 45 67 8 WRQ DRF CE DO DI CL CD RES CLAMP SW O/C_SW 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-E88 M 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 T/T UP/DOWN XL1 16.9344 MHz RFVDD VVDD ADAVDD XVDD LVDD RVDD FIN1 FIN2 TIN1 TIN2 LDS LDD 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 CONT3 CONT2 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 Q4 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/SLED 29 22 DRIVER 26 12 IC 4 5 67 8 9 10 11 +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