Sharp XL 1700 Service Manual - Page 24

C823 C822 0.1 100/10 XL-1700/1700C A CD PWB-A3 CD PICK-UP UNIT (308) B HPC-3LX LD VCC MON C2A C3A GND +5V +B C801 0.022 C802 47/16 A3.3V A_3.3V +B R819 33K C C807 100/10 E R802 82K R803 82K C806 C812 100/10 8 R804 47K 0.022 C A B F 1/2VCC GH6C605B3A1 C4A 1/2V VR1A PO+ TR- TR+ FO- 1 2 E3 C4 A5 B6 C F 7 8 GND 9 LD 10 VR 11 PD 12 FO+ 13 TR- 14 TR+ 15 FO- 16 FFC 1 VREF 2 +5V 3 E 4 C 5 A 6 B C 7 F 8 9 GND 10 LD 11 VR 12 PD 13 FO+ 14 TR- 15 TR+ 16 FO- CNW801 CNP801 R805 82K R806 82K R801 47K L805 2.2µH C815 0.022 Q801 KTA1266 GR R809 10 C805 100/10 R812 47K 0.6V 3.3V 1 VCC 1.6V 2 FNI 1.6V 3 FPI 1.6V 4 TPI 1.6V 5 TNI 0V 6 MDI 2.6V 7 LDO 0V 8 SEL 1.6V 1.6V 9 TEBC 10 TEN 1.6V 11 TEO 12 RFDC C813 1.5P GND 24 0V 1.6V RFN 23 1.1V R818 10K RFO 22 2.3V AGCI 21 RFGC 20 1.2V C810 0.1 R816 100 9 RFGO 19 1.6V RAS RFRP FEN 18 17 0.7V 16 1.6V C811 0.1 FEO 1.6V 15 1.6V RFGO R817 10 47K VRO 14 GVSW 2.0V 13 R856 1K IC802 TA2157F C867 0.1 HEAD AMP. REDC FEO R820 10K C817 R821 22P C818 8.2K 0.1 VREF C819 100/10 ACTUATOR C814 0.0068 D R815 820 +B 3 R807 2.2K 2 +B +B 28 27 26 25 24 23 22 21 20 19 18 17 16 15 IC803 MM1469PH FOCUS/TRACKING/ SPIN/SLED DRIVER GND V04- V04+ VIN4 VG4 BIAS VCC VCC VG3 VIN3 VO3+ V03- PO1+ PO1- C803 330/10 C804 0.022 VO1- VO1+ VIN1 VG1 TRB REG MUTE GND VG2 VIN2 V02+ V02- GND OPO E CD MOTOR PWB-C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R808 2.2K R810 2.2K CNP703A + M M701 SPINDLE MOTOR - + SP+ SP- 6 6 SP+ 5 4 5 4 CNW802 6 SP+ 5 SP- 4 SL+ M M702 SLED MOTOR SW702 - SL- PU-IN 3 GND 2 1 3 2 1 3 SL- 2 PU-IN 1 GND +B PICKUP IN R811 4.7 C808 100/10 C809 0.022 7.3V 3.3V Q802 2SB562 C F +B C871 0.022 G C816 0.022 L801 2 2µH C820 100/10 H • NOTES ON SCHEMATIC DIAGRAM can be found on page 18. • The numbers 1 to 17 are waveform numbers shown in page 34. 1 2 3 4 5 6 Figure 24 SCHEMATIC DIAGRAM (3/8) - 24 -