Samsung SRP-350PG Service Manual - Page 116
Schematic Diagrams
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14-1 Samsung Electro-Mechanics 14 Schematic Diagrams 14-1 Main Circuit Diagrams C214 10nF C213 100nF R228 10K +5V D(0:7) +5V C211 C212 10nF 100nF A(0:19) 32 7 21 D7 VCC A0 12 0 19 6 20 D6 A1 11 1 18 5 19 D5 A2 10 2 17 4 18 D4 A3 9 3 16 3 17 D3 A4 8 4 15 2 15 D2 A5 7 5 14 1 14 D1 A6 6 6 13 0 13 D0 A7 5 7 12 A8 27 8 11 U4 A9 26 9 10 KM681000LG-7 A10 23 10 9 A11 25 11 8 A12 4 12 7 A13 28 13 6 A14 3 14 5 A15 31 15 4 A16 2 16 3 2 _WE 29 1 _CS1 22 CS2 30 1 NC GND _OE 24 16 16 A18 17 A17 48 A16 1 A15 2 A14 3 A13 4 A12 5 A11 6 A10 7 A9 8 A8 18 A7 19 A6 20 A5 21 A4 22 A3 23 A2 24 A1 25 A0 9 NC1 10 NC2 13 NC3 14 NC4 26 _CE 28 _OE 11 _WE WR RD I/F SEL C1 C2 C3 232 L L H 485 L H L 1284 H L L USB H H L C6 22pF C7 22pF U10 5A 5 4A 4 3A 3 2A 2 1A 1 M51953B +5V +5V R15 4.7K C245 100nF C247 100nF U6 D15 45 0 D14 43 D13 41 D12 39 D11 36 D10 34 D9 32 D8 30 C8 100nF C215 100nF 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 U7 88 87 86 PO0-D0 PO1-D1 PO2-D2 85 84 83 82 81 PO3-D3 PO4-D4 PO5-D5 PO6-D6 PO7-D7 72 71 70 69 68 67 66 65 P20-A0 P21-A1 P22-A2 P23-A3 P24-A4 P25-A5 P26-A6 P27-A7 P10-D8 P11-D9 P12-D10 80 79 78 P13-D11 P14-D12 P15-D13-*INT3 P16-D14-*INT4 P17-D15-*INT5 77 76 75 74 73 P60-*CTS0-*RTS0 P61-CLK0 P62-RXD0 P63-TXD0 P64-*CTS1-*RTS1-*C P65-CLK1 P66-RXD1 P67-TXD1 38 37 36 35 34 33 32 31 AUTO_CUT_A AUTO_CUT_B nFAULT PARA-AUTO-FD ERR_LED PAPER_LED DRW-SOL1 DRW-SOL2 DTR_CTS ON_OFF RXD_PARA-SLCT PACK_TXD DSR TPH_CLK TPH_LATCH TPH_DATA D(0:7) +5V R229 2.2K D7 44 D6 42 D5 40 D4 38 D3 35 D2 33 D1 31 D0 29 VCC 37 _BYTE 47 VSS1 46 VSS2 27 _BUSY 15 _RESET 12 AM29F800B-70EC 7 +5V C13 100nF 8 9 6 10 11 5 12 13 4 R217 4.7K 14 15 3 R218 4.7K 16 2 R11 4.7K 17 18 1 0 19 CS3 +5V +5V C216 C217 10nF 100nF +5V C222 C221 10nF 100nF 63 61 60 59 58 57 56 55 P30-A8 P31-A9 P32-A10 P33-A11 P34-A12 P35-A13 P36-A14 P37-A15 TXD2-SDA-TAOOUT RXD2-SCL-TAOIN CLK2-TA1OUT-V *CTS2-*RTS2-TA1IN TA2OUT-W TA2IN-*W TA3OUT TA3IN 30 29 28 27 26 25 24 23 54 53 52 51 50 49 48 47 P40-A16 P41-A17 P42-A18 P43-A19 P44-*CS0 P45-*CS1 P46-*CS2 P47-*CS3 P80-TA4OUT-*U P81-TA4-U P82-INT0 P83-INT1 P84-INT2 P85-NMI P86-XCOUT P87-XCIN 22 21 20 19 18 17 11 10 46 45 44 43 42 41 P50-*WRL-*WR P51-*WRH-*BHE P52-*RD P53-BCLK P54-*HLDA P55-*HOLD P0-TB0IN-CLK3 P1-TB1IN-SIN3 P2-TB2IN-SOUT3 P3-DA0-TB3IN P4-DA1-TB4IN P5-ANEXO-CLK4 7 6 5 4 3 2 40 39 P56-ALE P6-ANEX1-SOUT4 P57-*RDY-CLKOUT P7-*ADTRO-SIN4 1 100 62 64 15 13 VCC1 VSS1 XIN XOUT 8 9 16 14 12 BYTE CNVSS VCC2 VSS2 *RESET P100-AN0 P101-AN1 P102-AN2 P103-AN3 P104-AN4-*KI0 P105-AN5-*KI1 P106-AN6-*KI2 P107-AN7-*KI3 97 95 94 93 92 91 90 89 AVCC VREF AVSS 99 98 96 M30624FGFP STEPI0 TPH_STB1 TPH_STB2 PARA_RD BUZZER P_WR STEP_A STEP_B PINT nSELECTIN nlnIT STEPI1 PARA-PERR DIP_R4 DIP_R1 DIP_R2 DIP_R3 DIP_C1 DIP_C2 DIP_C3 DIP_C4 COMPSW END_SENSOR FEED_SW NEARENDSENSOR COVERSENSOR AUTOCUT_SW PBUSY TM +5V C223 C224 10nF 100nF IFSEL +5V WR PACK_TXD P_WR R230 CS3 4.7K PINT PBUSY PARA-PERR PARA-AUTO-FD RD RESET RXD_PARA-SLCT DTR_CTS DSR nSELECTIN nlnIT nFAULT A(0) IFSEL DIP_C1 DIP_C2 R246 200 R14 100 R13 100 RESET C238 22pF C239 OSC1 MA-406,16MHz 22pF U8 FS741 1 XIN 2 XOUT 3 REF VCC 8 VI 7 VO 6 R247 47K 0.8mm C250 100nF +5V R243 100 C17 100uF 16V DIP_C3 C15 100nF L13 4 LF GND 5 R248 2.2K C240 470pF C237 22pF R255 47K ED EDIT 1 SIGN C A H R E P C K C205 10nF 1/1R6A3W19 0 1 2 3 1/1R6A3W39 4 5 6 7 1/1R6A3W69 1/1R6A3W79 1/1R6A3W29 1/1R6A3W49 1/1R6A3W59 R219 39 C9 22pF C10200n4FDHB-PA34-R1C31NN8 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 31 32 33 34 2 3 E D N W G G REF NO SEC
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