Sharp XL 1700 Service Manual - Page 20

XL-1700/1700C CD PWB FROM DISPLAY PWB 10 9 8 7 6 5 4 3 2 1 CNP704 CD_STB CD_RES CCE BUCK BUS3 BUS2 BUS1 BUS0 PU_IN GVSW FROM TUNER PWB CNP301 11 10 9 8 7 6 5 4 3 2 +B4 SD FM ST DO CL DI CE D_GND A_12V TUN L A_GND TUN R Q808 Q809 +B2 Q810 ZD802 +B4 +B5 ZD801 +B6 VOLTAGE REGULATOR 3.3V Q802 7.3V +B1 PO1- OPO PO1+ GND VO4+ VO2- VO4- VIN3 VG3 VO2+ VIN2 VG2 VCC GND VCC MUTE 13 12 11 10 9 8 7 6 5 4 3 2 1 16 26 27 19 21 22 23 24 25 17 18 28 BIAS REG O VG4 TRB VIN4 VG1 VO3+ VO3- GND VIN1 VO1+ VO1- IC803 MM1469PH FOCUS/ TRACKING/ SPIN/SLED DRIVER M_GND SO401 SUB WOOFER OUT VIDEO/AUX INPUT R-CH L-CH SP+ SP- SL+ SL- PU-IN GND M701 SPINDLE MOTOR + M - M + M702 SLED - MOTOR J801 1 DIGITAL 2 OUT 3 SW702 PICKUP IN CD MOTOR PWB TERMINAL PWB 41 40 DMO FMO X801 16.93MHz 51 DVDD DOUT 4 57 BUS0 58 BUS1 59 BUS2 RO 50 LO 53 60 BUS3 61 BUCK 62 CCE 63 RST IC801 TC94A14F SEL 38 SERVO/SIGNAL CONTROL 46 XI 47 XO TEBC 37 RFGC 36 VREF 35 TRO 34 FOO 33 TEZI 32 TEI 31 +B5 6 DVDD 15 PDO 25 AVDD 39 AVDD 43 DVDD 48 XVDD +B6 64 VDD SBAD 30 FEI 29 RFRP 28 RFCT 26 RFI 24 PVREF 20 LPFO 19 LPFN 18 TMAX 16 DVSS AVSS DVSS TESIN XVSS DVSL 7 22 42 44 45 GND 54 A_GND +B1 FO TR +B6 13 GVSW RFDC 12 15 FEO TEO 11 16 FEN TEN 10 14 VRO TEBC 9 17 RFRP SEL 8 18 RFIS LDO 7 19 RFGO MDI 6 20 RFGC TN1 5 21 AGCI TPI 4 22 RFO FPI 3 23 RFN FNI 2 24 GND VCC 1 +B5 GND IC802 TA2157F HEAD AMP. CNW803 CD_L 1 2 CD_R 3 A_GND CNP803 CD_L 1 2 CD_R 3 A CD PICKUP UN FOCUS COIL +B5 SWITCHING Q801 E F B A TRACKING COIL LD MON C 1/2V +B6 5V Figure 20 BLOCK DIAGRAM (2/3) - 20 -