Lexicon_MPX1_Schematics电路图.pdf

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1、90NS 27C020 A0 A1 A10 A11 A12 A13 A14 A15 A16 A2 A3 A4 A5 A6 A7 A8 A9 D0 D1 D2 D3 D4 D5 D6 D7 GND A17 VCC VPP CE OE PGM 256KX8 32KX8 85NS WE OE CE VCC GND D7 D6 D5 D4 D3 D2 D1 D0 A9 A8 A7 A6 A5 A4 A3 A2 A14 A13 A12 A11 A10 A1 A0 43256 8KX8 80NS A0 A1 A10 A11 A12 A2 A3 A4 A5 A6 A7 A8 A9 CS2 D0 D1 D2

2、D3 D4 D5 D6 D7 GNDNC VCC CS1 OE WE 47 WR WAIT RST RFSH RD NMI MREQ M1 IORQ INT HALT BUSREQBUSACK VCC GND D7 D6 D5 D4 D3 D2 D1 D0 CLK A9 A8 A7 A6 A5 A4 A3 A2 A15 A14 A13 A12 A11 A10 A1 A0 Z80C-10 N/C N/C N/C N/C 10MHZ A0 A1 A10 A11 A12 A13 A2 A3 A4 A5 A6 A7 A8 A9 CLKIN CLKOUT D0 D1 D10 D11 D12 D13 D1

3、4 D15 D16 D17 D18 D19 D2 D20 D21 D22 D23 D3 D4 D5 D6 D7 D8 D9 DR0 DR1 DT0 DT1 MMAP RFS0 RFS1 SCLK0 SCLK1 TFS0 TFS1 XTAL BG BMS BR DMS IRQ2 PMS RD RESET WR ADSP2115 GND GND GND GND VCC VCC VCC 18PF 18PF 10M 74HCU0474HCU04 +5VD 2.2K 2.2K +5VD +5VD+5VD DESCRIPTIONREV CHECKER DRAFTER AUTH. Q.C. REVISION

4、S 1 SIZE OF 32 A B C D 12345678 45678 A B C D NUMBERCODE Q.C. ISSUED DATEAPPROVALS CONTRACT NO. SHEET FILE NAME B DRAWN CHECKED TITLE exicon REV 3 OAK PARK BEDFORD, MA 01730 +5VD +5VD+5VD .1/50 470 18PF 74HCU04 18PF 10.0MHZ 25.0000MHZ RWHCW ECMECM 6 LAST REFERENCE DESIGNATORS USED: BAT1, C158, D22,

5、FB19, J21, Q38, 7 COMPONENTS MARKED WITH ARE NOT INSTALLED. * ECM 4/18/005/22/00 ECM 5/19/00 CW 4/17/00 RWH CHANGED PER DCR 000414-008 10/16/97 9 ADDED Y4, C157, 1 SHEET NUMBERREVISION NUMBER . 1 OF 13 2 OF 13 3 OF 13 4 OF 13 5 OF 13 6 OF 13 7 OF 13 8 OF 13 9 OF 13 10 OF 13 11 OF 13 12 OF 13 13 OF 1

6、3 DOCUMENT CONTROL BLOCK: #060-11018 13 060-11018 GROUND POWER 5 XX/XX DENOTES SHEET NUMBER/SECTOR 4 GROUNDGROUND CHASSISANALOG GROUND DIGITAL NOTES SCHEM, MAIN BD, MPX 1 Z80, DSP & C158 PER ECO 960314-00 RWH 3/18/96 4/1/96 JMA 4/2/96 CW BAC 1/15/96 1/26/96JMA CW4/2/96 BAC PER ECO 960418-00 CHANGED

7、U23 SYMBOL AND RWH 4/19/96 JMA 4/22/964/19/96 BAC CW 4/22/96 3 5/2/965/2/96 5/2/96 CW JMA 7/24/967/24/96 BAC RWH 7/23/96 CHANGED SHEET 11 PER ECO4 5CHANGED SHEET 9 PER ECO 960626-00 9/10/96 RWH 9/11/96 BAC 9/11/96 BAC 9/11/96 CW 6CHANGED SHEET 7 PER ECO 970922-01 UPDATED ADDRESS ON ALL PAGES 9/30/97

8、 MTC JJF 10/8/97 CW 10/16/97 BAC 6/4/98 BAC 6/5/98 6/5/98 CW CTRL CTRL 3 3 3 3 5 3 3 5 5 5 3 BAC RWH 6/4/98 CHANGED SHEET 6 PER ECO 980601-007 9 5/18/00 RWH R261, SW1, U33, W2, Y4 1 UNLESS OTHERWISE INDICATED, RESISTORS ARE 1/10W 2 UNLESS OTHERWISE INDICATED, RESISTORS ARE 5% 3 UNLESS OTHERWISE INDI

9、CATED, CAPACITORS ARE UF/V CHANGED SHT. 10 PER ECO 000517-00 CW 5/22/00 ECM 5/22/00 ECM 5/18/00 10CHANGED SHT. 10 PER ECO 000517-00-A 5/26/00 5/26/005/26/00 5/26/00 10 5 10 5-26-2000_11:59 111018-10 1 10MHZ 4/C8 4/C8 ZBUSACK/ ZBUSACK/ 11/C8 BDSP_OUT_DATA DSP_OUT_DATA 4/B8 DSP_OUT_DATADSP_LEX_DATA 2/

10、B7 DSP_LEX_DATA 8/D2 VRAM 1/A7,2/C8,4/C8 DSP_BMS/ DSP_DMS/ RD/ WR/ WR/ IOREQ/ RD/ ADDR0 ADDR14 ADDR14 ADDR13 ADDR11 ADDR10 ADDR8 ADDR7 ADDR6 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR13 ADDR12 ADDR11 ADDR10 ADDR9 ADDR8 ADDR7 ADDR6 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR12 ADDR11 ADDR10 ADDR9 ADDR8 ADDR7 ADDR6 AD

11、DR5 ADDR4 ADDR3 ADDR2 ADDR0 ADDR1 ADDR0 ADDR0 ADDR9 ADDR12 ADDR0:15 4/D8,5/D6 ADDR15 ADDR15 ADDR14 ADDR13 ADDR12 ADDR11 ADDR10 ADDR9 ADDR8 ADDR7 ADDR6 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR0 ADDR13 ADDR12 ADDR11 ADDR10 ADDR9 ADDR8 ADDR7 ADDR6 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ZBUSREQ/ 4/A2 INT/ 4/B2 3/C8,4/

12、C2 RESET1/ ZWAIT/ 4/A2 4/A2 HI_RAM_EN/ HI_RAM_EN/ 4/C2 RAM_A14 RAM_A14 4/B2 LO_RAM_WR/ LO_RAM_WR/ WRITE_PROTECT 8/C2 WRITE_PROTECT 4/A2 LO_RAM_RD/ LO_RAM_RD/ P15 4/B2 P15 P16 4/B2 P16 4/B2 P17 P17 ROM_EN/ 4/B2 ROM_EN/ 4/B5 4FS 4/B2 DSP_IN_DATA 2/B8,4/B2 128FS/ 2/C8,4/A2 8FS 2/A2 LEX_DSP_DATA 64FS 4/

13、A2,10/C2 DSP_ON_BUS 4/A2 DATA0:15 2/C8,4/D8 DATA14 DATA15 DATA7 DATA7 DATA8 DATA9 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA6 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DA

14、TA7 DATA8 DATA9 DATA10 DATA11 DATA12 DATA13 1/D3,2/C8,4/C8 ZRFSH/ RD/ IOREQ/ ZMREQ/ WR/ NC NC Y4 Y2 C158 NC 43 U14 10MHZ C127 R166 NC NC C141 RESET1/ R181 R182 NC NC NC NC NC NC NC NC NC NC NC 1312 U14 1110 U14 R165 NC C126 C157 21 22 33 34 35 36 23 24 25 27 28 30 31 32 42 43 58 59 68 1 3 4 5 6 7 8

15、9 11 60 12 13 14 15 61 62 63 64 65 66 67 50 55 46 52 2 10 29 49 17 48 54 51 56 47 53 16 26 57 41 40 39 18 38 19 37 45 20 44 U20 34 35 44 1 2 3 4 5 36 37 38 39 40 41 42 43 7 16 17 14 9 8 10 11 15 33 6 12 24 25 13 2729 20 18 22 31 21 19 23 32 30 28 26 U24 R212 26 27 22 20 10 9 8 7 6 5 4 3 25 24 21 23

16、2 114 28 11 12 13 15 16 17 18 19 U21 10 9 21 23 2 26 1 8 7 6 5 4 3 25 24 11 12 13 15 16 17 18 19 14 28 20 22 27 U22 12 11 23 25 4 28 29 3 2 10 9 8 7 6 5 27 26 13 14 15 17 18 19 20 21 16 30 32 1 22 24 31 U23 4/C2 RESET_DSP/ 5/B2 PEDAL_ADC RadioFans.CN 收音机爱 好者资料库 10PF 47 4.7K 256KX4 80NS D3 D2 D1 D0 A

17、0 A3 A5 NC VCC GND CAS RAS WE OE A1 A6 A2 A4 A7 A8 +5VD DESCRIPTIONREV CHECKER DRAFTER AUTH. Q.C. REVISIONS 1 SIZE OF 32 A B C D 12345678 45678 A B C D NUMBERCODE Q.C. ISSUED DATEAPPROVALS CONTRACT NO. SHEET FILE NAME B DRAWN CHECKED TITLE exicon REV 3 OAK PARK BEDFORD, MA 01730 +5VD +5VD +5VD 47 4.

18、7K 4.7K 1M 10PF 22.5792MHZ 47 47 47 47 47 47 47 47 47 47 47 47 47 47 220 1/4W 10K +5VD 80NS 256KX16 A0 A1 A2 A3 A4 A5 A6 A7 A8 WEH/WE RAS OE CAS/CASH NC/CASL WEL/NC D9 D8 D15 D14 D13 D12 D11 D10 D7 D6 D5 D4 D3 D2 D1 D0 NC GND GND GND NC NC VCC VCC VCC 4.7K WR WE WC WAIT RST RD RAS OVLD OUT IN CS CCL

19、K0 CAS ZD7 ZD6 ZD5 ZD4 ZD3 ZD2 ZD1 ZD0 ZCLK ZA9 ZA8 ZA7 ZA6 ZA5 ZA4 ZA3 ZA2 ZA1 ZA0 XTALO XTALI XA1 XA0 SI0 SDOUTSDIN SCLK PCLK1 PCLK0 MCOUT MCIN FRAME DEG0 DAB9 DAB8 DAB7 DAB6 DAB5 DAB4 DAB3 DAB2 DAB19 DAB18 DAB17 DAB16 DAB15 DAB14 DAB13 DAB12 DAB11 DAB10 DAB1 DAB0 A7 A6 A5 A4 A3 A2 A1 A0 LEXICHIP-

20、2 GND VCC VCC VCC GND GND GND GND GND GND (MODE 2) A1 A19 C19 A20 C20 A21 C21 A22 C22 A23 C23 A24 C24 A25 C25 A26 C26 A27 C27 A28 C28 A29 C29 A30 C30 A31 C31 A32 C32 C18 A18 C17 A17 C16 A16 C15 A15 C14 A14 C13 A13 C12 A11 A12 C11 C10 A10 C9 A9 C8 A8 C7 C6 A6 C5 A5 C4 A4 C3 C2 C1 A7 A3 A2 47 CW 5/19/

21、00 ECM 5/22/00 ECM 4/18/00 RWH CHANGED PER DCR 000414-00 4/17/00 060-11018 REDRAWN 13. 1 LEXICHIP SCHEM, MAIN BD, MPX 1 BAC CW 4/2/96 4/1/96 3/18/96 RWH 4/2/96 BAC 4/2/96CW JMA1/26/96 1/15/96 4/2/96BAC 2UPDATED ADDRESS JMA MTC 10/14/97 JJF 10/8/97 CW 10/16/97 10/16/97 BAC 3 3 CTRL LABUS8 LABUS9 LABU

22、S4 LABUS3 LABUS5 LABUS2 LABUS6 LABUS1 LABUS7 LABUS0 LABUS8 LABUS8 LABUS0 LABUS1 LABUS2 LABUS3 LABUS4 LABUS5 LABUS6 LABUS7 LABUS6 LABUS5 LABUS4 LABUS3 LABUS2 LABUS1 LABUS0 LABUS0:9 LABUS0:9 LABUS9 LABUS8 LABUS7 LABUS6 LABUS5 LABUS4 LABUS3 LABUS2 LABUS1 LABUS0 LABUS7 R199* 5-22-2000_10:53 11018-8 22 1

23、 2 3 W2 * J17 * 1/C8,4/A2 8FS 1/C8,4/B2 128FS/ DSP_LEX_DATA 1/C2 LEX_WR/ 4/A2 4/A2 LEX_EN/ RESET_LEX/ 4/C2 4/A2 LEX_WC/ 1/A8,4/D8 DATA0:15 DATA1 DATA0 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 LA0:9 4/C3 LA0 LA1 LA2 LA3 LA4 LA5 LA9 LA8 LA7 LA6 1/D3,1/A7,4/C8 RD/ MC/ 4/B8 MC/ 65 63 71 61 69 68 79 18 58 62

24、60 70 30 33 32 78 77 59 74 19 21 20 67 66 75 76 6473 84 31 29 27 25 24 26 28 23 47 83 35 36 37 38 39 40 41 42 43 44 48 49 50 51 52 53 54 55 56 57 9 8 7 6 5 4 3 82 81 80 17 16 15 14 13 12 11 10 7246 45 34 22 2 1 U17 LD8 LD9 LD2 LD3 LD4 LD5 LD6 LD7 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 LD1

25、8 LD17 LD16 LD15 LD14 LD13 LD12 LD11 LD10 LD9 LD8 LD7 LD6 LD5 LD4 LD3 LD2 LD1 LD0 LD3 LD2 LD1 LD0 LD0 LD8 LD7 LD6 LD5 LD4 LD19 LD18 LD17 LD16 LD15 LD14 LD1 LD13 LD12 LD11 LD10 LD9 LD3 LD0:19 LD19 LD0 LD1 LD2 IN/ IN/ R209 35 40 21 16 17 18 19 22 23 24 25 26 15 13 14 27 28 29 12 32 31 39 38 37 36 34 3

26、3 30 11 10 9 8 7 5 4 3 2 1 6 20 U25 LWEX/LWEX/ PTLWE/ LEX_WAIT/ 4/B8 LEX_WAIT/ LCASX/ LCASX/ LRASX/ LRASX/ DSP_LEX_DATA128FS/ NC R203 R213 LAXCA LAXCA LAXRA LAXRA R206 R204 PTLRAS/ PTLCAS/ 4/B8 DEG0 DEG0 4/B8 LEXPHSAB LEXPHSAB 1/C8 LEX_DSP_DATA LEX_DSP_DATA R191 R192 R193 R202 R201 R200 R194 R195 R1

27、96 R207 R205 R198 Y3 NC NC NC LEX_EN/ C130 R189 LEX_DSP_DATA R208 16BIT NC NC NC NC R211 R197 NC NC NC NC LRAS/ 18 17 14 11 16 10 22 3 4 23 26 13 5 15 12 9 1 2 24 25 U26 NC NC LCAS/ LWE/ NC R210 OUT/ OUT/ R190 C131 NC 5/D8 MEMX_STAT RadioFans.CN 收音机爱 好者资料库 2.2K 74AC273 CLR CLK 8Q8D 7Q7D 6Q6D 5Q5D 4Q

28、4D 3Q3D 2Q2D 1Q1D 680 100 1/4W 20K 680 680 680 680 10K 1K +5VD +5VD 1K 1K 1K 100 1/4W 100 1/4W 100 1/4W 100 1/4W 100 1/4W 100 1/4W 1K 1K 1K 1K 1K A B C G1 G2A G2B Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 74HC138 DESCRIPTIONREV CHECKER DRAFTER AUTH. Q.C. REVISIONS 1 SIZE OF 32 A B C D 12345678 45678 A B C D NUMBERCOD

29、E Q.C. ISSUED DATEAPPROVALS CONTRACT NO. SHEET FILE NAME B DRAWN CHECKED TITLE exicon REV 3 OAK PARK BEDFORD, MA 01730 1K 1K 1K 100 1/4W 1K 74HC273 CLR CLK 8D 7D 6D 5D 4D 3D 2D 1D 8Q 7Q 4Q 3Q 1Q 2Q 5Q 6Q 74HC273 CLR CLK 8D 7D 6D 5D 4D 3D 2D 1D 8Q 7Q 4Q 3Q 1Q 2Q 5Q 6Q 4.7K 100 1/4W 100 1/4W 100 1/4W

30、100 1/4W 16 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 -15VA 470UNKNOWN CW 5/19/00 ECM 5/22/00 ECM 4/18/00 RWH CHANGED PER DCR 000414-00 4/17/00 JJF 10/8/97 CW 10/16/97 10/16/97 BAC 2UPDATED ADDRESS MTC 10/14/97 BAC4/2/96 1/15/96 1/26/96JMA CW4/2/96 BAC DRIVERS COLUMN .13 DRIVERS DRIVERS DISPLAY RIGHT RIGH

31、T ROW 060-11018 DISPLAY DRIVER SCHEM, MAIN BD, MPX 1 LEFT ROW 4/2/96 RWH 3/18/96 4/1/96 JMA 4/2/96 CW BAC 1REDRAWN DISPLAY LEFT 3 3 3311018-8 5-22-2000_10:52 R232 * 9 8 7 6 5 4 3 2 1 15 14 13 12 11 10 J19 R231 RIGHT_ROW0:3 RIGHT_ROW2 RIGHT_ROW0 RIGHT_ROW1 RIGHT_ROW0 RIGHT_ROW1 RIGHT_ROW2 RIGHT_ROW3

32、RIGHT_ROW3 IO_DATA7 IO_DATA6 IO_DATA5 IO_DATA4 IO_DATA3 IO_DATA2 IO_DATA1 IO_DATA0 IO_DATA7 IO_DATA6 IO_DATA5 IO_DATA4 IO_DATA3 IO_DATA2 IO_DATA1 IO_DATA0 IO_DATA3 IO_DATA7 IO_DATA6 IO_DATA5 IO_DATA4 IO_DATA0 IO_DATA1 IO_DATA2 IO_DATA0:7 4/D4,5/D8 COL5 COL5 J21 R242 R243 R244 R245 R234 NC NC NC 1 11

33、 18 17 14 13 8 7 4 3 19 16 9 6 2 5 12 15 U27 15 12 5 2 6 9 16 19 3 4 7 8 13 14 17 18 11 1 U29 CONTRAST1 CONTRAST2 RESET/ R251 NC R216 R224 R257 R226 1 2 3 6 4 5 15 14 13 12 11 10 9 7 U33 R227 R229 R218 R220 R222 R215 R214 R225 R223 R221 R219 R253 R255 R228 CONTRAST3 CONTRAST0 R259 R235 R250 R252 R25

34、4 R256 R236 R217 R258 2N4403 Q34 COL4 COL4 2N4403 Q36 2N4403 Q35 COL3 COL3 COL2 COL2 2N4403 Q37 COL1 COL1 2N4403 Q38 15 12 5 2 6 9 16 19 3 4 7 8 13 14 17 18 11 1 U31 2N4401 Q30 2N4401 Q31 2N4401 Q32 2N4401 Q33 2N4401 Q26 2N4401 Q27 2N4401 Q28 2N4401 Q29 DISPLAY_WR1/ 4/B2 RESET1/ 1/A8,4/C2 DISPLAY_WR

35、2/ 4/B2 RESET/ 4/C8,8/C2 4/A2 LCD_WR/ SWITCH_ROW3 SWITCH_ROW0 SWITCH_ROW1 SWITCH_ROW2 SWITCH_ROW0:3 5/C8 ENC1 5/B8 5/C5 ENC3 LCD_ADDR1 5/A8 LCD_ADDR1 LCD_READ 5/A8 LCD_READ CONTRAST 5/A8 NC NC R233 RadioFans.CN 收音机爱 好者资料库 74HCU04 XC3042 A0 A1 A10 A11 A12 A13 A14 A15 A2 A3 A4 A5 A6 A7 A8 A9 CCLK D0 D

36、1 D2 D3 D4 D5 D6 D7 DONE DOUT/IO HDC/IO INIT/IO LDC/IO M0 M1 M2/IO RCLK/IO TCLKIN XTL1/IO XTL2/IO PWRDWN RESET IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO GND IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO IO VCC VCC GND MODE 6 47 47 47 47 47 47 47 47 +5VD+5VD 74HC245 A1

37、 A2 A3 A4 A5 A6 A7 A8 B1 B2 B3 B4 B5 B6 B7 B8 DIR G DESCRIPTIONREV CHECKER DRAFTER AUTH. Q.C. REVISIONS 1 SIZE OF 32 A B C D 12345678 45678 A B C D NUMBERCODE Q.C. ISSUED DATEAPPROVALS CONTRACT NO. SHEET FILE NAME B DRAWN CHECKED TITLE exicon REV 3 OAK PARK BEDFORD, MA 01730 +5VD +5VD 74HC174 6D 5D

38、4D 3D 2D 1D 6Q 5Q 4Q 3Q 1Q 2Q CLK CLR 74HC174 6D 5D 4D 3D 2D 1D 6Q 5Q 4Q 3Q 1Q 2Q CLK CLR 4747 474747 10K2.2K +5VD 74HC00 47 CLRQ7 Q6 Q5 Q4 Q3 Q2 Q1 S2 S1 S0 G DQ0 74HC259 47 47 47 47 CW 5/19/00 ECM 5/22/00 ECM 4/18/00 RWH CHANGED PER DCR 000414-00 4/17/00 BAC 10/16/97 10/16/97 CW 10/8/97 JJF 10/14/

39、97 MTC UPDATED ADDRESS2 REDRAWN1 BAC CW 4/2/96 4/1/96 3/18/96 RWH 4/2/96 FPGA 060-11018 SCHEM, MAIN BD, MPX 1 13. BAC 4/2/96CW JMA1/26/96 1/15/96 4/2/96BAC JMA 3 3 LEXICHIP ADDRESS LATCH CTRL LEX_WAIT/ 2/A2 LEX_WAIT/ DIG_IN 7/C2 DIG_IN DEG0DEG0 2/A2 DSP_OUT_DATADSP_OUT_DATA 1/C2 MC/ 2/A2 MC/ 1/A2 ZB

40、USACK/ZBUSACK/ ZBUSREQ/ 1/A8 ZBUSREQ/ RESET/ 3/A8,8/C2 RESET/ RESET/ 10MHZ 1/B5 10MHZ 4 5-22-2000_10:51 11018-8 4 10/C2 ADC_IN ADC_IN MIDI_IN 6/C2 MIDI_IN LEXPHSABLEXPHSAB 2/A2 VCO 7/B2 VCO DATA0:15 1/A8,2/C8 DATA7 DATA6 DATA4 DATA3 DATA2 DATA1 DATA0 DATA5 DATA4 DATA5 DATA6 DATA7 DATA3 DATA2 DATA1 D

41、ATA0 1/D3,1/A7,2/C8 RD/ DSP_DMS/ ZMREQ/ IOREQ/ ZRFSH/ DSP_BMS/ IOREQ/ WR/ IO_DATA0:7 3/D8,5/D8 IO_DATA0 IO_DATA1 IO_DATA2 IO_DATA3 IO_DATA4 IO_DATA5 IO_DATA6 IO_DATA7 ADDR0:15 1/A7,5/D6 ADDR4 ADDR3 ADDR2 ADDR1 ADDR0 ADDR6 ADDR4 ADDR5 ADDR7 ADDR9 ADDR0 ADDR0 ADDR15 ADDR14 ADDR13 ADDR12 ADDR11 ADDR10

42、ADDR9 ADDR8 ADDR7 ADDR6 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR8 ADDR3 ADDR1 ADDR2 LA0:9 2/D8 LA1 LA3 LA9 LA7 LA5 LA4 LA6 LA8 LA2 LA0 DSP_ON_BUS 1/C8 DSP_ON_BUS 1/B8 LO_RAM_RD/ 1/B8 HI_RAM_EN/ RD_STATUS/ 5/D8 RD_STATUS/ LEX_EN/ 2/C8 LEX_EN/ ZWAIT/ 1/A8 LCD_EN 5/A8 LCD_EN 2/C8 LEX_WC/ 2/C8 LEX_WR/ 7/B8 PH

43、ASE_DET PHASE_DET 1/C8,10/C2,11/B8 64FS 8FS 1/C8,2/C8 8FS FS 10/C2,11/B8 LCD_WR/ 3/A8 10/C2,11/B8 256FS 4FS 1/C8 4FS 6/B8 MIDI_OUT MIDI_OUT 1/A8 INT/ INT/ DISPLAY_WR2/ 3/B8 DISPLAY_WR1/ 3/C8 1/B8 LO_RAM_WR/ 1/B8 P17 1/B8 P16 1/B8 P15 1/C8 DSP_IN_DATADSP_IN_DATA 1/C8,2/B8 128FS/ ROM_EN/ 1/B8 7/D8DIG_

44、OUT RAM_A14 1/B8 RAM_A14 RESET1/ 1/A8,3/C8 11/C7 RESET_DAC/ DISCHARGE 7/A8 SOFT_SAT 10/B7 5/A8 RESET_PEDAL 2/C8 RESET_LEX/ MUTE/ 9/A8 RESET_DSP/ 1/D8,10/C2 DSP_IN_DATA DSP_ON_BUSR187 R174 64FS8FS R172 R173 FS LEXPHSDA LEXPHSDA LEXPHSDA 413 14 1 2 3 5 6 7 9 10 11 1215 U18 R169 12 13 11 U3 CONTROL_WR/

45、 NC NC R184R178 R183R176R185 R188R186 1 9 1514 1213 1011 76 54 23 U19 1 9 1514 1213 1011 76 54 23 U16 2 3 4 5 6 7 8 9 12 11 13 14 15 16 17 18 19 1 U30 NC R177 R175 R180 R179 R171 R170 R168 R167 DONE NC 75 76 10 8 4 2 83 81 77 78 82 84 3 5 9 11 74 72 70 67 65 62 60 58 56 55 73 1 43 34 42 6 21 23 24 2

46、5 26 27 28 29 30 35 7 37 38 39 40 41 80 79 69 68 66 14 63 61 59 52 51 50 49 48 47 46 15 45 44 16 17 18 19 20 36 32 31 33 71 13 22 64 57 53 12 54 U15 65 U4 LM393 + - +15VA 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 150PF 10K +5VD +5VD 1K .1/50 100 1/4W +5VD 10K +15VA BAV99 2.2K2.2K 2.2K2.2K 10K +5VD 47K4

47、7K +5VD .01/50 100 1/4W +15VA BAV99 +15VA +5VD 10K +5VD BAV99 .01/50 DESCRIPTIONREV CHECKER DRAFTER AUTH. Q.C. REVISIONS 1 SIZE OF 32 A B C D 12345678 45678 A B C D NUMBERCODE Q.C. ISSUED DATEAPPROVALS CONTRACT NO. SHEET FILE NAME B DRAWN CHECKED TITLE exicon REV 3 OAK PARK BEDFORD, MA 01730 1% 10.0

48、K 10K10K +5VD .01/250 150PF 150PF 4.7K 4.7K 4.7K 1A 1B 1Y 2A 2B 2Y 3A 3B 3Y 4A 4B 4Y S G 74HC257 24K 2.49K 1% LM393 + - 100 1/4W 1/4W 1A 1B 1Y 2A 2B 2Y 3A 3B 3Y 4A 4B 4Y S G 74HC257 CW 5/19/00 ECM 5/22/00 ECM 4/18/00 RWH CHANGED PER DCR 000414-00 4/17/00 JJF 10/8/97 CW 10/16/97 10/16/97 BAC 2UPDATED

49、 ADDRESS MTC 10/14/97 . REDRAWN1 BAC CW 4/2/96 4/1/96 3/18/96 RWH 4/2/96 060-11018 PEDAL FOOTSWITCHES INPUTS SCHEM, MAIN BD, MPX 1 12V .1MA 13 ENCODER LCD BAC 4/2/96CW JMA1/26/96 1/15/96 4/2/96BAC JMA 3 3 FOOTPEDAL A/D 5-22-2000_10:51 11018-8 55 12 9 7 4 15 1 2 3 5 6 11 10 14 13 U28 * IO_DATA0:7 3/D8,4/D4 IO_DATA7 IO_DATA6 IO_DATA5 IO_DATA4 IO_DATA3 IO_DATA2 IO_DATA1 IO_DATA0 IO_DATA7 IO_DATA1 IO_DATA2 IO_DATA3 IO_DATA0 IO_DATA6 IO_DATA5 IO_DATA4 3 4 2 5 6 1 J9 3 4 2 5 6 1 J10 MEMX_STAT 2/B2 1/D8 PEDAL_ADC RESET_PEDAL 4/C2 LCD_ADDR1 3/A2 CONTRAST 3/A2 LCD_READ 3/A2 LCD_EN 4/A2 SWITCH_