lexicon MPX550 Servicemanual电路图.pdf

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1、AK5383 AGND AINL+ AINL- AINR+ AINR- BGNDCAL DFS DGND FSYNC GNDL GNDR HPFE LRCK MCLK RST/ SCLK SDATA SMODE1 SMODE2 TEST VA VCOML VCOMR VD VREFL+ VREFR+ ZCAL +5VA 1% 10.0K 1% 10.0K 10/16.1/25 1.00K 1% 1.00K 1% 1.00K 1% 1.00K 1% 47/16 47/16 47/16 47/16 100 .1/25.1/25 10/16 10/16 .1/25 .1/25 .1/25 10/16

2、 .1/25 10.0K 1% 10.0K 1% 10.0K 1% 10.0K 1% 1% 174 1% 174 1% 174 1% 174 10/25 47PF 47PF 10/25 10/25 -15VA +15VA -15VA +15VA + - 4580 - + 4580 2200PF 2200PF 47PF-15VA +15VA -15VA +15VA + - 4580 - + 4580 10/25 47PF 150PF 150PF 150PF 150PF 33PF 33PF 13.0K 1% 13.0K 1% 1% 13.0K 1% 13.0K 1% 13.0K 13.0K 1%

3、13.0K 1% 1% 13.0K 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 33PF 33PF 1% 1.50K 1% 1.50K 1.00K 1% 1.00K 1% 1.00K 1% 1.0

4、0K 1% 1% 10.0K 1% 10.0K 10/16.1/25 47K +5VA +5VA +5VA 10K CW 10K CW 10/16 3 3 3 3 CW 2001 Lexicon, Inc. INPUT TITLE 8 8 8 8 8 8 8 OF CHASSIS BIAS 6 OF 5 OF 4 OF 2 OF 3 OF DIGITAL GROUND ANALOG GROUND 2 UNLESS OTHERWISE INDICATED, RESISTORS ARE 5% 4 3 UNLESS OTHERWISE INDICATED, CAPACITORS ARE UF/V 5

5、 XX/XX DENOTES SHEET NUMBER/SECTOR POWER GROUND NOTES . LEFT INPUT RIGHT INPUT BIAS GROUND CHASSIS SCREW 1 UNLESS OTHERWISE INDICATED, RESISTORS ARE 1/10W A/D CONVERTER INPUT TRIM INPUT TRIM INPUT AMPLIFIER SCHEM, MAIN,MPX550 060-14559 1 OF 8 7 OF 8 SHEETREVISION DOCUMENT CONTROL BLOCK: #060-14559 I

6、NPUT DAC LEXICHIP3, DRAM uPROC, ROM/RAM, CS, RESET ENCODERS MIDI, DIGITAL AUDIO OUT DISPLAY DRIVER POWER SUPPLY 7 COMPONENTS MARKED WITH ARE NOT POPULATED. RWH3/2/01 JV CW JM 3/12/01 3/14/01 3/7/01 * 3/16/01 JM 3/19/01 CW JV 3/16/01 1CHANGED PER DCR 010316-00 RWH 3/16/01 8 2CHANGED PER DCR 010515-00

7、 6/15/01 RWH JV 6/26/01 JM 6/18/01 6/26/01 CW ECM 9/11/01 9/10/01 JM 9/7/01 6 LAST REFERENCE DESIGNATORS USED: C134, D29, FB15, J20, Q1, R102, RP13, SW4, U27, W2, Y2 4 4 4 3CHANGED PER DCR 010829-00 RWH 9/7/01 4 4 RWH 9/28/01 ECM 9/28/01 JM 10/2/01 10/2/01 JV 4 CHANGED SHTS. 2, 4 KEYSTONE TO FP (1)

8、643-01732NUT,4-40,KEP,ZN1.00AC CONN 700-14918COVER,MPX5501.00 702-14177COVER,PROTECTIVE,PS,4.10X4.102.00COVER, INSIDE 702-14640PANEL,SIDE,1.71X5.42,ABS2.00 702-14916PANEL,FRONT,MPX5501.00 703-14167LENS,3.37X.87,CLR1.00 740-08558LABEL,TUV CERTIFIED,BAYERN1.00TOP COVER 740-09538LABEL,S/N,CHASSIS,PRINT

9、ED1.00REAR COVER 740-13573LABEL,MFR ID,.9X.25,SILVER1.00REAR COVER MPX550 SHIP/PACKAGING MATERIAL 070-14912GUIDE,USER,MPX5501.00 080-14914ASSY DWG,SHIPMENT,MPX5500.00 730-14181INSERT,FOAM,ENDCAP,1UX5.52.00 730-14921BOX,DSPLY,22X8X4,MPX5501.00 750-14924CD,LIT,MULTI-LANG,MPX5501.00 MPX550 POWER CORD OPTIONS 680-09149CORD,POWER,IEC,10A,2M,NA,SVT1.00 680-08830CORD,POWER,IEC,6A,2M,EURO1.00 680-10093CORD,POWER,IEC,5A,2M,UK1.00 680-10094CORD,POWER,IEC,6A,2M,ITALY1.00 680-10095CORD,POWER,IEC,6A,2M,SWISS1.00 680-10096CORD,POWER,IEC,6A,2M,AUSTRALIA1.00 680-10097CORD,POWER,IEC,6A,2M,JAPAN1.00