Yamaha-MDX-595-Service-Manual电路原理图.pdf

《Yamaha-MDX-595-Service-Manual电路原理图.pdf》由会员分享，可在线阅读，更多相关《Yamaha-MDX-595-Service-Manual电路原理图.pdf（60页珍藏版）》请在收音机爱好者资料库上搜索。

1、MDX-595 MDX-595 100671 SERVICE MANUAL MDX-595 IMPORTANT NOTICE This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherant to the industry, and more specifically YAMAHA Products, are already known an

2、d understood by the users, and have therefore not been restated. WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, w

3、e advise all YAMAHA product owners that all service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of an

4、y applicable technical capabilities, or establish a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indica ted on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA pr

5、oducts. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributors Service Division. WARNING:Static discharges can destroy expensive components. Discharge any stat

6、ic electricity your body may have accumu- lated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT:Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. MINIDISC RECORDER IC DATA .

7、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2534 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . .3537 TEST POINT WAVEFORMS . . . . . . . . . . . . . . . .3839 PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . .4047 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . .

8、 .4851 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5264 GREASE APPLICATION DIAGRAM . . . . . . . . . . . .65 REMOTE CONTROL TRANSMITTER . . . . . . . . . . .66 CONTENTS TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . .12 REAR PANELS . . . . . . . . . . . . . . . . . .

9、. . . . . . . . . . . .2 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 DISASSEMBLY PROCEDURES . . . . . . . . . . . . . . .48 ADJUSTMENT C, U bit data input serial clock CSM = “ H ” ; C bit data input

10、CSM = “ L ” ; C, U bit data input serial data CSM = “ H ” ; U bit data input CSM = “ L ” ; C, U bit data input word clock CSM = “ H ” ; 24-bit output at “ H ” (AUX bit used) CSM = “ L ” ; Local sample address reset input CSM = “ H ” ; Block start clock Control code input mode select (“ L ” ; Asynchr

11、onous mode “ H ” ; Synchronous mode) Digital audio interface signal output 1 2 3 4 5 6 7 8 VSS MCLK DM0 DM1 RSTN WCIN DIN VDD 16 15 14 13 12 11 10 9 DOUT CSM CNTR/BLKIN CLD/AUXEN CIN/UDB CCK/CSB VFL MUTE TIMING GENERATION BI-PHASE MODULATION CONTROL CODE CONVERSION MPX DOUT CCK/CSB CIN/UDB CLD/AUXEN

12、 CNTR/BLKIN VFL DIN WCIN RSTN DM0,DM1MCLK VSS VDD MUTE CSM INPUT DATE FORMAT CONVERSION MDX-595 MDX-595 35 BLOCK DIAGRAM (MD) IC1601 BA5984FP MOTOR DRIVER IC1201 LR376484 ENDEC/ATRAC IC1401 IX0253AW MD SYSTEM MICROCOMPUTER IC1801 NJM431U VOLTAGE REGULATOR POWER IC1101 IR3R55 RF SERVO/ SIGNAL CONTROL

13、 A/D CONVERTER D/A CONVERTER E-F SIGNAL A-B SIGNAL RF1-RF4 SIGNAL PICKUP UNIT IC1402 S29294A EEPROM IC1202 IX2474AF 4M BIT D-RAM IC1702 NJM431U VOLTAGE REGULATOR POWER 3.2V 3.2V IC1300 TC74ACT02F HEAD DRIVE CIRCUIT FOCUS TRACKING F A B E RF1 RF2 RF3 RF4 LASER DIODE MONITOR DIODE LIGHT RECEIVING SECT

14、ION ERROR, SIGNAL LIGHT RECEIVING SECTION RF 3.2V EXT. PLL q w e r t y u i o !0 !1 !2 !3 !4 !5 !6 !7 !8 !9 0 1 2 3 4 5 6 7 8 BACKUP MECHANISM 6.5/4.75 5.25V 28P FFC DIGOUT D.GND DIGIN BACKUP PDOWN RESET MD-ST DSCK SERCH KDATA MDDATA DSTB D.GND D.GND D.GND D.GND DVDD DVDD PSWCK LOADSW AVCC L.IN AA.GN

15、D R.IN AD.GND L.OUT AA.GND R.OUT 6.5/4.75 5.25V DIGITAL 3.2V XL1201 33.8688MHz 3.2V 6.5/4.75 5.25V RECORDING HEAD MD 6.5/4.75 5.25V M M M M901 SPINDLE MOTOR M902 SLED MOTOR WRITE PRO DISC ID LEAD IN SW1953 SW1952 PLAY SW1954 REC SW1955 LOAD SW1956 M903 LOADING MOTOR 3.2V3.2V E-F CN1501 IC1701 UDA134

16、4 AUDIO INPUT AUDIO OUT ABCDEFGH 1 2 3 4 5 6 MDX-595 I BLOCK DIAGRAM E-37/J-35 IC6 CPU M30622M8-XXXFP DISPLAY DRIVE IC601 MUTE CONTROL Q8,D3,4,6 DISPLAY V601 Q4 Q6 Q5 Q7 PHONES IN POWER SW SW401 L302 FL1 FL2 D15 L R MD (MDM-98A) IC201 IC5IC4 DIR IC703 DEQ IC704 DIT IC705 q w e r t y u i o !0 !1 !2 !

17、3 !4 !5 !6 Q1 D1,2 !7 !8 !9 0 1 2 3 4 5 6 7 8 +6.5/5V Va+6V Q13 D14,16 D17 -BV Q12 D13 Q2,14 D5 IC9 Q11 IC8 Q9,10 +BV-BV Va+6V Va-6V Vd+6.5/5V Vd+5V D7-10 D11,12 TH301 TH302 19 12 26 6 /MUTE /RES /PDN 31 34 REMOTE SENSOR U601 JOG ROTARY ENCODER SW613 KEY MATRIX SW601-612 SW614-618 TIMER SW SW501 84,

18、 8594, 95, 9787, 8820 OPTICAL CB2 OPTICAL1 OPTICAL2 CB3 CB4 DIGITAL IN DIGITAL OUT L R OUT ANALOG BUFFER AMP REC LEVEL VR202 BUFFER AMP IC3 IC3 57 31 PHONES LEVEL PHONES AMP VR201 3 5 1 7 R.OUT L.OUT R.IN L.IN AVCC /LOADIN 6.5/5V 6.5/5V DSTB MDDATA KDATA SEARCH DECK MD-ST RESET PDOWN BACKUP DIGIN DI

19、GOUT 1 3 5 12 10 8 IC706 IC702 7 5 4 1 37 3 13 2 14 5 4 15 13 23 12 13 XL701 15 6 4 3 23 7 9 5 4 B A 10090 2 1 93 89 92 423938374135361850 XL1 CB1 IC1 IC2 ABCDEFGH 1 2 3 4 5 6 MDX-595 I TEST POINT WAVEFORM 1997 / 08 / 04 09:30:15 TTP1201 (EFMMON) NORM: 100M S/s CH1 500mV AC 10:1 500ns/div T 1 Record

20、 Len SMOOTH OFF BW FULL CH1 - - - CH2 0.000V Main 500 Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 10 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 000s Detay 1 PLAY Stopped Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 10K Hold Off MIN Trigger AUTO EDGE CH2 Zoom 100 CH3 - - - CH4 0.000V Fil

21、ter Offset 0.000 00s Detay 1997 / 08 / 04 13:35:24 T NORM: 1M S/s Stopped CH1 2V DC 10:1 CH3 200mV AC 10:1 CH4 5V DC 10:1 1ms/div CH2 2V DC 10:1 T 1 4 3 2 TP12011 TP1207 (TEMON) 6 TP1205 (TCRS) 8 TP1209 (TOTMON) 7 PIT PLAY Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 10K Hold Off MIN Tri

22、gger AUTO EDGE CH2 Zoom 100 CH3 - - - CH4 0.000V Filter Offset 0.000 00s Detay 1994 / 08 / 04 13:37:11 T NORM: 1M S/s Stopped CH1 2V DC 10:1 CH3 200mV AC 10:1 CH4 5V DC 10:1 1ms/div CH2 2V DC 10:1 T 1 4 3 2 TP12011 TP1207 6 TP1205 8 TP1209 7 GROUP PLAY 1997 / 08 / 04 11:43:05 Record Len SMOOTH OFF B

23、W FULL CH1 - - - CH2 - - - Main 10K Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 100 CH3 0.000V CH4 0.000V T NORM: 2M S/s CH1 500mV AC 10:1 500us/div CH2 500mV AC 10:1 T 1 2 Filter Offset 0.000 000s Detay TP1123 (T-) 3 TP1121 (T+) 2 GROUP PLAY Stopped TP1135 (WBO) 5 TP1134 (ADLPFO) 4 Record Len SMOOTH

24、OFF BW FULL CH1 0.000V CH2 0.000V Main 10K Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 100 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 0s Detay 1997 / 08 / 04 11:56:15 T NORM: 50M S/s Stopped CH1 1V DC 10:1 20us/div CH2 2V DC 10:1 T 1 2 PIT PLAY Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Ma

25、in 10K Hold Off MIN Trigger AUTO EDGE CH1 Zoom 100 CH3 0.000V CH4 0.000V Filter Offset 0.00s Detay 1997 / 08 / 04 12:58:01 T NORM: 500 S/s Stopped CH1 2V DC 10:1 CH3 2V DC 10:1 CH4 2V DC 10:1 2s/div CH2 2V DC 10:1 T 1 4 3 2 TP1212 (FEMON) 9 TP1207 6 SPDRF 11 SPDRR 10 POWER OFFSTANDBY AC POWER ON TP1

26、135 5 TP1134 4 Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 10K Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 100 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 0s Detay 1997 / 08 / 04 11:55:38 T NORM: 50M S/s Stopped CH1 1V DC 10:1 20us/div CH2 2V DC 10:1 T 1 2 GROUP PLAY Record Len SMOOTH O

27、FF BW FULL CH1 - - - CH2 - - - Main 10K Hold Off MIN Trigger AUTO EDGE CH2 Zoom 100 CH3 - - - CH4 0.000V Filter Offset 0.00s Detay 1997 / 08 / 04 13:57:22 T NORM: 1k S/s Stopped CH1 2V AC 10:1 CH3 5V AC 10:1 CH4 5V DC 10:1 1s/div CH2 2V AC 10:1 T 1 4 3 2 TP1212 9 TP1122 (F+) 12 FOK 14 DSENSE 13 AC P

28、OWER ON POWER OFFSTANDBY Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 10K Hold Off MIN Trigger AUTO EDGE CH2 Zoom 100 CH3 0.000V CH4 0.000V Filter Offset 0.00s Detay 1997 / 08 / 04 14:19:52 T NORM: 1k S/s Stopped CH1 2V DC 10:1 CH3 5V DC 10:1 CH4 5V DC 10:1 1s/div CH2 2V DC 10:1 T 1 4 3

29、2 TP1212 9 TP1207 6 TP1601 (SLD-) 16 TP1600 (SLD+) 15 Record Len SMOOTH ON BW FULL CH1 0.000V CH2 0.000V Main 10K Hold Off MIN Trigger AUTO EDGE CH2 Zoom 20 CH3 - - - CH4 25.000V Filter Offset 0.00s Detay 1997 / 08 / 04 14:44:01 T NORM: 200 S/s Stopped CH3 200mV AC 10:1 CH4 200mV DC 10:1 5s/div CH2

30、1V DC 10:1 T 4 3 2 TP1207 6 TP1601 16 TP160015 Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 5K Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 50 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 00s Detay 1997 / 08 / 04 10:03:45 T NORM: 100M S/s Stopped CH1 2V DC 10:1 5us/div CH2 2V DC 10:1 T 1 2

31、 LRCK17 DADATA 18 PLAY Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 5K Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 50 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 00s Detay 1997 / 08 / 04 10:12:30 T NORM: 100M S/s Stopped CH1 2V DC 10:1 5us/div CH2 2V DC 10:1 T 1 2 LRCK17 ADDATA 19 ANALOG

32、 REC (Non signal) Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 2K Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 20 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 00s Detay 1997 / 08 / 04 11:23:12 T NORM: 100M S/s Stopped CH1 5V DC 10:1 CH3 52V DC 10:1 2us/div CH2 5V DC 10:1 T 1 3 2 DADATA 18

33、LRCK 17 BCLK20 PLAY Record Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 500 Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 10 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 000s Detay 1997 / 08 / 04 10:35:14 T NORM: 100M S/s Stopped CH1 2V DC 10:1 500ns/div CH2 2V DC 10:1 T 1 2 DFCK21 BCLK20 PLAY Rec

34、ord Len SMOOTH OFF BW FULL CH1 0.000V CH2 0.000V Main 500 Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 50 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 000s Detay 1997 / 08 / 04 16:59:39 T NORM: 100M S/s Stopped CH1 2V DC 10:1 500ns/div CH2 2V DC 10:1 T 1 2 DiN22 DOUT 23 DIGITAL REC Record Len SMOOTH O

35、FF BW FULL CH1 0.0000V CH2 0.000V Main 10k Hold Off MIN Trigger NORMAL EDGE CH1 Zoom 100 CH3 0.000V CH4 0.000V Filter Offset 0.000 000 s Detay 1997 / 08 / 04 09:47:21 T NORM: 5M S/s Stopped CH1 500mV DC 10:1 200us/div T 1 VOUTL VOUTR 24 1 kHz, 0dB, PLAY E-38/J-36 ABCDEFGH 1 2 3 4 5 6 MDX-595 112 510

36、 13 15 20 24 25 3035 36 37 40 45 48 GDS GDS 21 D GS 11151620 1 56 10 26 30354045 50 51 55 60 65 70 75 76 80859095 100 1 5 10 15 20 25 51 55 60 657075 80 81 85 90 95 100 1 5101520 25 30 31 35 40 45 50 15 21 30 22 28 1 7 29 8 14 1 2 1 2 1 5 1 2 123 1 128 128 510152025 28 TP1209 TP1605 TP1124 TP1107 TP

37、1115 TP1106TP1110 TP1111 TP1137 TP1105 TP1104 TP1102 TP1109 TP1118 TP1117 TP1112 TP1108 TP1129TP1127 TP1119 TP1136 TP1101 TP1100 TP1103 TP1130TP1203 TP1205 TP1206 TP1210 TP1208 TP1120 TP1121 TP1116 TP1214 TP1202 TP1122 TP1604 TP1123 TP1801 TP1403 TP1901 TP1402 TP1401 TP1400 TP1602 TP1607 TP1603 TP12

38、12 TP1216 TP1900 TP1213 TP1200 TP1406 TP1128 TP1135 TP1125 TP1113 TP1134 TP1126 TP1131 TP1132 TP1133 TP1201 TP1413 TP1211 TP1412 TP1278 TP1704 TP1706 TP1601 TP1600 TP1702 TP1701 TP1405 TP1404 TP1414 TP1408 TP1407 TP1409 TP1207 TP1204 TP1303 TP1302 CHASSIS GND TP1800 TP1410 TP1218 TP1215 TP1415 TP121

39、7 TP1513 TP1521 TP1525 TP1522 TP1524 TP1523 TP1507 TP1703 TP1700 TP1506 TP1705 TP1520 TP1512 TP1510 TP1509 TP1508 TP1502 TP1504 TP1500 TP1503TP1505TP1501 TP1516 TP1514 TP1515 TP1517 TP1518 TP1519 TP1411 TP1606 TP1300 TP1301 TP1511 MD MECHANISM SWITCH PWB-B REBL 12 BLBL MAGNET HEAD(32) RECORD 1 2 2 4

40、 1 3 5 REBL 1 2 REBL 1 2 MD MAIN PWB-A (BOTTOM VIEW) CHASSIS GND 18 19 21 20 16 11 14 13 10 17 23 22 12 15 6 7 9 3 2 1 5 4 8 IC1202 CN1501 IC1101 R1103 C1103 C1102 C1104 C1105 C1108 C1109 C1106 C1119 C1110 R1606 C1603 C1602 R1605 R1601 C1607 C1604 IC1601 CN1604 CN1603 R1616 C1611 C1600 R1618 C1613 C

41、1400 C1401 CN1401 C1610 C1619 XL1201 R1211 R1217 C1209 C1208 R1215 R1222 R1214 R1221 C1205 IC1201 C1120 C1117 C1116 R1112 C1113 C1114 C1115 C1112 R1106 C1111 R1107 R1109R1111 R1110 R1108 R1809 C1107 R1105 R1417 IC1401 R1429 R1414 CN1602 C1711 C1713 C1710 C1716 C1701 C1700 C1712 Q1701 IC1702 R1707 C1

42、709 R1700 C1407 R1401 R1404 C1404 C1403 R1411 C1402 R1405 R1412 C1405 R1410 R1407 C1406 R1409 C1800 CN1300 Q1300 D1300 Q1301 Q1303 D1301 Q1302 C1300 C1301 R1301 C1803 C1608 C1508 R1535 R1521 R1522 R1525 R1527 R1526 R1528 R1529 R1531 R1530 L1503 R1510 C1505 C1502 R1512 R1511 R1513 R1516 C1506 R1515 C

43、W1901 CW1903 R1901 R1902 R1903 R1904 CN1901 SW1955 RECORD SW1953 LEAD IN SW1954 PLAY SW1956 LOADING SW1952 DISC MEDIA WRITE PRO M902 MD SLED MOTOR M901 MD SPINDLE MOTOR M903 MD LOADING MOTOR C1101 CNW2002 EFMMON (TP1201) EOUT (TP1129) FOUT (TP1130) GND (TP1125) 28 25 20 15 10 5 1 13 54 810 14 157 1

44、4 8 5 MD PICKUP UNIT FLEXIBLE PWB MD MAIN PWB-A (TOP VIEW) 1 2815 2025 14 105 R1207 R1206 R1204 R1205 C1200 R1424 CN1101 R1712 L1600 C1616 C1612 R1617 R1600 C1601 C1615 R1620 R1102 C1100 L1100 R1101 R1100 C1203 L1200 C1202 R1210 R1203 R1201 R1200 R1202 R1223 R1219 R1212 C1210 L1201 C1207 L1101 C1118

45、 R1811 R1420 C1411 R1422 C1409 R1425 R1426 R1428 IC1402 R1427 C1410 R1806 R1807 R1804 C1201 R1209 R1208 C1204 R1430 R1416 R1415 R1423 R1444 R1421 R1419 R1402 R1413 R1710 R1709 C1706 C1705 R1705 R1706 C1708 C1715 C1703 R1713 Q1700 L1700 L1701 IC1701 R1704 R1703 R1702 C1702 R1403 C1707 Q1702 R1708 R17

46、11 R1408 D1401 R1406 Q1402 Q1401 C1408 Q1403 C1805 IC1801 Q1804 C1801 R1400 Q1802 R1801 Q1801 IC1300 L1300 C1304 C1302 C1303 R1304 Q1800 R1612 R1614 R1803 R1802 Q1400 L1301 C1606 Q1803 Q1806 R1805 R1808 C1804 Q1805 C1802 R1514 C1509 R1520 R1518 R1517 Q1500 L1501 C1511 R1519 R1532 C1503 C1714 C1704 C

47、1501 C1206 R1701 100K 270P Note : y o Connect an oscilloscope to the test points (y o) through a filter as shown below. oscilloscopetest points I PRINTED CIRCUIT BOARD (Foil side) q to 4 : TEST POINT WAVEFORMS (See page E38/J36) E-41/J-39 ABCDEFGH 1 2 3 4 5 6 MDX-595 Point q(Pin 13 of IC6) V : 2V/divH : 50 nsec/div DC range1 : 1 probe Point w CH1 : Pin 12 of IC6 CH2 : Collector of Q11 V : 2V/div CH1 V : 2V/div CH2 H : 2 sec/divDC range1 : 1 probe 0V CH 2 CH 1 * * * * * POWER ON * * * *