Sharp XL 1700 Service Manual - Page 25

XL-1700/1700C P27 11-D CNW804 TERMINAL PWB-A4 CNW704 DISPLAY PWB-A2 P28 2-B TO CNP803 MAIN PWB-A1 P29 11-G +B C823 0.1 R819 33K R820 10K 818 0K 69 C817 R821 22P C818 8.2K 0.1 GO 10 VREF C819 100/10 C814 0.0068 +B C820 100/10 C821 0.022 R826 100 R837 10K C816 0.022 L801 2.2µH L802 2.2µH C822 100/10 FROM CD SIGNAL R870 10K R841 10K R842 10K R843 10K R844 10K R848 1K R849 1K CD_STB 10 CD_RES 9 CCE 8 BUCK 7 BUS3 6 BUS2 5 BUS1 4 BUS0 3 PU_IN 2 GVSW 1 CNP704 C847 10P (CH) A3.3V +B R846 100K C848 0.022 R839 100 C844 100P TEO +B C824 0.1 C825 47/10 5 C826 0.047 C827 470P C830 470P C835 12 13 47P (CH) R833 R829 5.6K 5V 47K 1.6V 3.3V 5.2V 0V 3.3V 2.6V 3.3V 1.2V 0V C851 47/10 C831 R828 0.015 15K R832 TMAX 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 PDO PVDO HSO SBSY SFSY DATA CLCK SBOK DVSS DVDD IPF DOUT AUTO LRCK BCK 150K 0V 17 64 VDD 5.2V 1.2V 18 LPFN RST 63 5V C832 0.01 C833 C828 0.01 0.0027 R827 10K C829 0.033 3.2V 19 LPFO 1.6V 20 PVREF 0V 21 VCOF 0V 22 AVSS 0V 23 SLCO 1.6V 24 RFI 3.3V 25 AVDD 1.6V 26 RFCT 1.6V 27 RFZI 0.7V 28 RFRP 1.6V 29 FEI 0.6V 30 SBAD 1.6V 31 TEI 1.6V 32 TEZI CCE 62 4.5V BUCK 61 5V 5V R850 R851 1K 1K IC801 TC94A14F BUS3 60 BUS2 59 5V BUS1 58 5V BUS0 57 5V R852 R853 R854 1K 1K 1K SERVO/SIGNAL µ-COM 56 0V VSS 7 6 CONTROL 4 15 14 ZDET 55 0V DVSS 54 16 LO 53 DVR 52 1.6V DVDD 51 3.3V 17 RO 50 C853 10/16 C856 100/16 C854 10/16 49 C860 0.1 L852 100mA VREF RFGC TEBC SEL AVDD FMO DMO DVSS DVDD TESIN XVSS XI XO XVDD 1 C836 0.033 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 DVSS 0V 1.6V 1.6V 1.6V 1.0V 0V 3.3V 1.6V 1.6V 0V 3.3V 0V 0V 1.5V 1.5V 3.3V 1.6V FOO L851 100mA TRO R831 C852 15P(CH) C858 4.7K 0.022 C837 0.047 11 C843 C857 100/10 X801 16.93MHz C846 100/10 R840 1M 0.047 C855 12P(CH) C859 +B 0.022 C841 0.1 +B +B C834 0.047 C838 0.047 C839 47/10 C849 0.022 +B ZD801 DZ5.1BSB +B R835 390K D801 1N4148 D802 1N4148 C850 47/10 C872 0.022 +B R855 1K DOUT 4 3 GND 2 +B 5V 1 CNP804 R861 10K R862 10K CNW803 CORE1 CD_L 1 1 A_GND 2 2 CD_R 3 3 +B L853 100mA CD_7.2V 1 1 CD_12V 2 2 CD+B 3 3 CD_GND 4 4 M_GND 5 5 Q808 +B KTC3199 GR CNW805 +B R863 10 R864 100 2 ZD802 DZ3.9BSB C868 100/10 R865 820 C869 100/10 C870 0.022 1 Q809 3 KRA102 M 2 1 Q810 KRC107 M 3 D803 1N4148 D804 1N4148 D805 1N4148 D806 1N4148 1 1 2 2 CNW808 FROM TO MAIN PWB-A1 CNP805 P29 11-G TO CNP808 MAIN PWB-A1 P29 11-B 7 8 9 10 11 12 Figure 25 SCHEMATIC DIAGRAM (4/8) - 25 -