Sharp XE-A202 Service Manual - Page 18

BUSY /FRDY XE-A202U CIRCUIT DIAGRAM AND PWB LAYOUT - 17 - 8 7 6 5 4 3 CHAPTER 8. CIRCUIT DIAGRAM AND PWB LAYOUT 1. MAIN PWB CIRCUIT VCC R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K A7 D A6 A5 A4 A3 A2 A1 A0 ENA1 ENA2 IN1 IN2 KST3 KST2 KST1 KST0 R33 R34 R35 R36 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 VCC R63 R64 R65 R66 R67 R68 R69 R70 R71 R72 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 VCC 150pF*10(C45- C54) R73 10K R74 10K D[0 ..7] D[0 ..7] A[0. .19] A[0. .19] 10K 10K 10K 10K 100pF*4(C16-C19) 150pF*8(C20-C27) A19 VCC VCC VCC C55 150pF ONLY R37 R38 R39 R40 R41 R42 R43 R44 R45 10K IC5 M30624 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 R75 R76 R77 R78 47K FOR 201S VCC D8 D9 D10 D11 D12 D13 D14 D15 A0 A1 A2 A3 A4 A5 A6 A7 VSS A8 VCC A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K C D7 D6 D5 D4 D3 D2 D1 D0 C28 C29 C30 C31 C32 C33 C34 C35 100pF*8(C28-C 35) /ST B1 /L AT VPON VBA T VCC R55 47K VCC R46 100 R47 100 R48 100 R49 100 R50 100 R51 100 R52 100 R53 100 CGBANK P101 P100 P97 VDD 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 D7 D6 D5 D4 D3 D2 D1 D0 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AVSS AN0 VREF AVCC SIN4 CS0 CS1 CS2 201UC/AC RH-IX201 5BHZZ CS3 WR 201VCTQ/BCTQ/VCKB RH-I X2016BHZZ BHE RD CBCLK HLDA 201VCKA VHI30624 FGA-1 HOLD 201S VHI30624F GA-1 ALE CLKOUT 202U/V VHI30624 FGA-1 RTS0 CLK0 FLASH R OM RXD0 TXD0 CLKS1 CLK1 RXD1 TXD1 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 FSCK FRD FSD /FR ES SOUT4 CLK4 TB4IN TB3IN SOUT3 SIN3 CLK3 BYTE CNVSS XCIN XCOUT RESET XOUT VSS XIN VCC NMI INT2 INT1 INT0 TA4IN/U TA4OUT/U TB3IN TBEOUT TA2INW TA2OUTW TA1IN/V TA1OUT/V TB5IN TB5OUT R54 + 240 IC6 C107 VDD R81 C57 /CS0 /CS2 /WR /RD BCLK TP 1 R79 10k /CS3 C56 30pF /RDY DR1 P66 P67 VCC R80 47K TP2 P64 VCC K R 4.7UF/16V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 47K 100pF R82 R83 R84 A C36 1000pF KIA431A VDD R58 100K 47K 47K 47K R85 10K NOT INSTALL /RES ET R56 3.3K R57 820 C37 100pF IC15 1 2 3 OUT VDD VSS CD 5 NC 4 S-80928ANMP SII C38 2200pF C39 100pF P96 P95 P94 P93 P92 P91 P90 VCC SP1 R87 VCC DAT DR2 P74 P75 P76 P77 MOTOR /POFF CLK BZ R86 + B 470 PIEZO BZ SHORTPIN R59 47K 202U/A CST12.0MTW "H":BOOT ON R60 B X3 3 2 1 R91 IC7 1 2 3 4 XIN VDD XOUT S0 S1 FSOUT LF VSS 8 7 6 5 FS781 C41 0.1uF VCC C42 + 202U/A 202V4/6/7 330 X1 C43 18pF C44 27pF 1 0 R61 X2 3 2 3.3K 10uF/10V,OS 32.768KHz CST12.0 MTW C40 330pF R62 10K VDD C58 C59 + 0.1uF XE-A201 : 10uF/10V,OS XE-A202 : 10uF/16V,AL /ST B2 202V4/6/7 C108 33 91pF 1 CL PR 4 13 CL PR 10 VCC VCC C60 0.1uF C61 0.1uF VCC /RDY IC10A A /CS0 /RD 1 3 2 74F32 BCLK Vcc:14pin GND:7pin IC11A 2D Q5 3 CLK Q6 74F74 IC11B 12 D Q9 11 CLK Q8 74F74 NOT INSTALL (ONLY FOR 201S) VCC Vcc:14pin GND:7pin C62 220pF /RES ET A[0. .19] D[0..7] D0 D1 D2 D3 D4 D5 D6 D7 VCC A0 /CS0 /CS0 /RD /RD CG ROM IC12 15 17 19 21 24 26 28 30 16 18 20 22 25 27 29 31 1 44 33 12 14 13 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15/A-1 NC NC BHE CE/CE OE/OE VSS VCC A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 VSS 23 11 10 9 8 7 6 5 4 42 41 40 39 38 37 36 35 34 3 2 43 32 LH5388WS(CGROM) A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A19 VCC C63 0.1uF C64 + 10uF/10V,OS NOT INSTA LL VCC CGBANK 8 7 6 5 4 3 2 1 1/4 D IC8 D0 D1 D2 D3 D4 D5 D6 D7 3 4 7 8 13 14 17 18 D0 D1 D2 D3 D4 D5 D6 D7 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 2 5 6 9 12 15 16 19 1 11 OC CLK Vcc:20pin GND:10pin 74HC374 VCC VDD C65 0.1uF C66 0.1uF C67 + 10uF/50V NOT INSTALL VDD IC9 A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 D0 D1 D2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS VCC A15 CS2 WE A13 A8 A9 A11 OE A10 CS1 T/O7 I/O6 I/O5 I/O4 I/O3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A15 A13 A8 A9 A11 A10 D7 D6 D5 D4 D3 LP621024D-T 70ns a b c d e f g dp a b c d e f g dp C VCC R88 10K C68 30pF /WR NOT INSTALL VCC R89 10K /RD C69 30pF NOT INSTALL VDD B R90 10K C70 /CS2 150pF A 2 1