Sharp CD-E66 Service Manual - Page 20

C37 0.1 C36 0 22/50 CD-E600/CD-E66 A PICKUP UNIT 1 HPC1LX B VCC 7 VREF 6 E 5 A 4 B 3 F 2 C 1 C CNS1B CNS1A CD SERVO PWB-C CD SIGNAL VCC 7 7 7 6 6 6 VREF 5 5 5 E R6 22K 4 4 4 A R5 8.2K 3 3 3 B R4 8.2K 2 2 F 2 R3 22K 1 1 1 C R1 8.2K CNP1 C1 47/25 R2 8.2K C2 0.01 CNS2B CNS2A TR- 1 1 1 1 TR- TR+ TR+ 2 3 FO+ FO+ 4 2 2 2 TR+ 3 3 3 FO+ 4 4 4 FO- D FO- 5 5 5 5 GND TR- PD 6 6 6 6 PD VR 7 7 7 7 VR LD 8 8 8 8 LD GND CNP2 CNS3B CNS3A CD MOTOR PWB-D CNP3A E M1 SPINDLE MOTOR + M - 1 1 6 6 SP+ 2 2 5 5 SP- M2 SLED MOTOR SW4 PICKUP IN + M - 3 3 4 4 SL+ 4 4 3 3 SL- PUIN 5 5 2 2 6 6 1 1 GND C38 0.01 +B CNP3 F C41 100/10 +B G SPO LASER DRIVER Q1 KTA1266 GR C33 C30 C29 C28 +B R7 C2 47 +B R9 C3 10 47/25 C4 0.001 C21 0.001 CONSTANT VOLTAGE R42 1.2K R41 12K R40 680 LDS R10 27K (OS) C5 0.047(ML) LDD 80 79 78 77 76 75 74 FR VVDD PCKIST VVSS PDO2 R11 10K C6 0.1 C19 0.022 R12 330 C8 0.0027 1 SLCO 2 SLCIST 3 EFMIN 4 RF 5 5 RFVDD 6 RSVSS C45 22P(CH) TP1 TP2 7 FIN1 A 8 FIN2 B 9 TIN1 E C9 3.3/16 C11 0.22/50 C43 0.022 2 10 TIN2 F 11 VREF C10 12 REF1 L C 10/25 13 FE 14 TEC 4 15 TE C12 16 RFMON 100P 17 JITTC 18 ADAVDD 19 ADAVSS SPDO SLDO GPDAC CONT4 CONT5 20 TDO FDO R13 15K 21 22 23 24 25 26 27 R14 1K 6 R16 R1 1K 1K R15 +B 1K C39 100/10 C40 100/10 1 +B C20 0.001 Q4 KTA1271 Y TO VCC VREF FD VIN3 REV FWD GND VIN4 VIN2 15 16 17 18 19 20 21 29 22 23 24 25 26 27 28 R8 10K IC2 LA6574H FOCUS/TRACKING/SPIN/ SLED DROVER VCONT REG-IN REG-OUT VREF GND VCC VIN1 VCC1 VO- VO+ VO2- VO2+ GND VO3- VO3+ VO4- VO4+ M+ VO5+ M- VO5- VCC2 14 13 12 11 10 9 8 30 7 6 5 4 3 2 1 C17 100/10 +B C48 0.001 H • NOTES ON SCHEMATIC DIAGRAM can be found on page 29. 1 2 3 4 5 6 Figure 20 SCHEMATIC DIAGRAM (9/10) - 20 -