Kenwood-X92_3770_00_001-md-sm 电路图 维修手册.pdf

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1、MD MECHANISM ASSY X92-3770-00,0-01 X92-3780-00,0-01 2000-5 PRINTED IN JAPAN B51-7623-00 (4) 3360 SERVICE MANUAL C CONTENTS BLOCK DIAGRAM. 2 COMPONENT DESCRIPTION. 3 MICROCOMPUTERS TERMINAL DESCRIPTION. 3 ADJUSTMENT. 5 MECHANISM OPERATION DESCRIPTION . 7 PC BOARD .24 EXPLODED VIEW . 26 SCHEMATIC DIAG

2、RAM.27 PARTS LIST .29 RadioFans.CN 收音机爱 好者资料库 2 1 2 4 5 6 7 8 9 3 15 14 I J A B C D E F 11 12 22 23 25 41 42 19 APC APCREF EQADJ 3TADJ WBLADJ FZC RF AUX1 AUX2 PEAK BOTTOM ABCD FE VC SWDT SCLK XLAT FOCONT 109 108 103 104 101 100 107 106 SPFD SPRD FFDR FRDR TFDR TRDR SFDR SRDR 11 14 119 6 13 12 MNT0 M

3、NT1 MNT2 MNT3 XINT SQSY SENS SRDT SCLK SWDT XLAT XRST 36 38 39 14 57 59 58 23 22 FZC XINT SQSY SENS SRDT SCLK SWDT XLAT XRST 28 32 17 27 26 62 64 37 35 61 3 LDON SDMUTE LIMIT SW P-ON AMUTE MSDA MSCL MSTOP MRST TYPE 1 TYPE 2 15 10 11 12 13 16 47 29 30 MNT 4 MNT 3 MNT 2 MNT 1 MNT 0 4M/16M HOT ESDA ESC

4、L 20 19 17 16 29 30 23 22 26 25 24 32 33 TRK+ TRK- FCS+ FCS- SLED+ SLED- SPDL+ SPDL- VC VREF0 VCC2 VCC1 LOAD EJECT 10 11 12 13 6 7 8 9 28 27 3 14 5 TFDR TRDR FFDR FRDR SFDR SRDR SPFD SPRD REG IN REG OUT ENREG LOAD EJECT 11 10 8 13 12 19 18 14 17 4 5 1 20 21 6 7 A8V L-CH R-CH MRST MSTOP MSCL (IIC BUS

5、) MSDA AMUTE BU5V S5V S5V LOE-SW LOS-SW DET-SW LOAD EJECT 36 30 29 31 34 35 37 33 38 47 46 48 40 10 28 26 32 17 18 20 27 16 42 41 MORFRFO AUX 1 FOCONT XSTBY ADFG 22.58MHz 118 117 116 19 7 5 4 2 1 3 73 74 75 76 70 81 90 77 78 79 80 93 97 96 95 94 82 89 88 1 13 11 5 9 10 8 12 2 6 8.38MHz 4 MUTE 1 MUTE

6、 2 1 2 MUTE 3 36 CH1,2 CH3 CH4 31 57 SW+5V DAVDD AUDIO +B JITTER RECORD IN VC TE SE VC VC VC VC PD LD STBY TO CH5 OP S+B SW+5V S5V +3.3V BU+5V 6 5 BU+5V 1.2V rms 1KHz 0dB SW+5V TO SERVO DRIVER BU+5V ILCC LDON RF AMP RF AGC the Iow-reflection pit and groove modes for recordable discs and the high-ref

7、lection pit mode for premastered discs. 4. Load a disc to enter the adjustment mode. 5. The low-reflection pit play mode starts when TNo.1 is displayed. The time code display shows “50”. 6. While monitoring ARF with an oscilloscope, vary the focusing bias using the Track UP and DOWN keys. 7. The opt

8、imum values can be obtained by varying the bias in the UP and DOWN directions, locating the upper and lower values at which the ARF waveform is disturbed or the 3T waveform level drop, and calculating the center value of the two values. For example, when the value located in the UP direction is 58 a

9、nd that located in the DOWN direction is 46, the optimum value is their center value, i. e. 52. 8. When the optimum value is obtained, set the focusing bias to that value and press the ManuaI UP or DOWN key to enter the value. (With normal sets, press and hold the Track UP or DOWN key.) 9. After the

10、 low-reflection pit adjustment in step 8, the pickup automatically moves to the groove area. 10. The groove play mode starts when TNo.2 is displayed. 11. Perform the same operations as steps 6, 7 and 8. 12. The disc stops after the groove area adjustment . Eject the disc and complete adjustment. Sin

11、ce the low-reflection pits are present only in the TOC area, their total play time is about 40 seconds. When the pit area is over, the retry operation starts and the adjustment is invalid in this period. 13. When the high-reflection play mode starts, perform operations in steps 5, 6, 7 and 8. 14. Th

12、e disc stops after the adjustment. Eject the disc and complete adjustment. The coarse adjustment of the EF balance is also performed during this test mode. However, it is an automatic adjustment and does not require external poeration. 6 X92-3770-00,0-01/X92-3780-00,0-01 ADJUSTMENT Display in servic

13、e test mode (Display on the set) Start of pit adjustment mode 01-_ : _ Pit adjustment enabled 01-_ : 50 Pit adjustment in progress ( =Adjustment data) 01-_ : Pit adjustment result entered (Start of groove adjustment mode) 02-_ : _ Groove adjustment enabled 02-_ : 50 Groove adjustment in progress ( =

14、Adjustment data) 02-_ : Groove adjustment result entered (Normal completion) 02-_ : _ Error display (=Error status)_ : _ = 03 : Error during low-reflection pit EF balance adjustment = 04 : Error during low-reflection pit focusing bias adjustment = 05 : Error during low-reflection pit data write in E

15、2PROM = 19 : Error during groove EF balance adjustment = 20 : Error during groove focusing bias adjustment = 21 : Error during groove data write in E2PROM = 35 : Error during high-reflection pit EF balance adjustment = 36 : Error during high-reflection pit focusing bias adjustment = 37 : Error durin

16、g high-reflection pit data write in E2PROM Adjustment parameters Adjustment condition : Setting the LADJ 1 pin to Hi then reset-starting the set. Adjustment keys : Track UP/DOWN keys. Entry key : Pressing the Manual UP/DOWN key (or pressing and holding the adjustment key with some sets). Notes 1. Al

17、ways be sure to enter the results obtained with each medium. If the medium is ejected without entering the results and the adjustments of another medium is started, the E2PROM data will be destroyed. 2. Varying the focusing bias value extremely in the UP or DOWN direction degrades the focusing perfo

18、rmance. Although this degradation can usually be recovered by retrying, there is also a potential of error occurrence or keys becoming invalid. In such a case, restart adjustment by reset-starting the set. (This also applies to the case in which data has been entered using an extreme value.) 3. Note

19、 on “E-99” “E-99” which usually indicates a mechanism error is also displayed when E2PROM data is destroyed. If a wire is attached or removed while the sets power is on (BU UP), the E2PROM data could be destroyed ; be sure to attach or remove wire while the power is on (BU UP). This also applies to

20、the attaching and removal of the card cable (flexible cable) to or from the mechanism. (Unlike the MDS-1000, normal operation cannot be resumed by turning the T0 pin Hi.) 4. Note on E2PROM The E2PROM stores a variety of initial data for the MD DSP, and some of the initial data is rewritten at the ti

21、me of adjustment. As a result, note that an error occurs if the E2PROM in use does not store the initial data. MECHANISM OPERATION DESCRIPTION 7 X92-3770-00,0-01/X92-3780-00,0-01 8 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 9 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATI

22、ON DESCRIPTION 10 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 9 11 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 12 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 13 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 14 X92-

23、3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 13 15 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 16 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 17 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 18 X92-3770-00,0-01/X92-3780

24、-00,0-01 MECHANISM OPERATION DESCRIPTION 19 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 20 812 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 8 21 (X92-3780-XX) X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION 22 X92-3770-00,0-01/X92-3780-00,

25、0-01 MECHANISM OPERATION DESCRIPTION 23 X92-3770-00,0-01/X92-3780-00,0-01 MECHANISM OPERATION DESCRIPTION MDS-2200 BCADE 2 4 3 5 6 7 1 S2 S3 CN1 S4 IC11 IC9 Q13 IC12 Q12 Q10 Q7 S1 X33-3040-XX (J74-0998-12) R57 CP2 R82 R3C8 R2 R1 C22 R14 R13 CP1 L1 R79 C69 C41 X2 R92 C38 C70 C55 R52 C52 R59 R55 C53 C

26、P4 CP5 CP3 CP8 CP9 CP6 CP7 C72 R44 C74 R87 R86 R81 R93 R94 R85 CP10 L4 R83 R90 R91 R12 C21 R96 R95 R99 R97 C58 C23 C59 C24 TH1 DET-SW 1 LIM-SW LOE-SW LOS-SW 1 M3TE TP2 L1 TYPE1 4M/16M M4 JT T3 C M0 T0 M2 M1 L 1 C26 D R58 E B B E B E 16 33 48 32 17 64 49 4 58 7 814 201 E B (X33-3040-00/0-01) Ref. No.

27、 Address IC1 2C IC2 3B IC4 5E IC5 5B IC8 4B IC9 3B IC11 4B Q13 5B IC12 5B Ref. No. Address Q1 2D Q2 2D Q3 3C Q7 5D Q10 5B Q12 5B 24 PC BOARD (COMPONENT SIDE VIEW) Refer to the schematic diagram for the values of resistors and capacitors. R78 C20 C68 X1 C67 C11 C35 R49 C56 C61 R6 C1 C40 C12 C10 C13 C

28、60 R18 R80 R17C14 R19 R21 C25 C16 R20 R8 R11 R5 R10 R7 C18 C28 C5 C6 R4 C7 C27 C75 R26 R24 R25 L3 C9 R66R67 R64R65 R72 R73 L2 C63 C64 C65 R77 C50 C49 R70 R53 R56 C54 C15 R54 C45 R48 C46 R43 C48 R40 R39 R47 C47 R46 R45 C43 C44 C37 R88 R38 R41 R37 R42 R23 C29 R75 R74 R71 R69 R68 R76 C66 C31 R9 R30 R27

29、 R33 C34 R32 R31 C32 R29 R28 C30 C17 R98 R84 C33 VCC IOP1 RM B VC J ILCC VC SL+ SL- S5VRed 1 1 SP+ SP- EJ VC E SAGND Black RF LDGND TE 1 F- F+ LOS CL DET MRST AMUTE LO DGND E ADFG LIM SE AUX2 1 T0 NC SGND PEAK BOTM ABCD EJECT AG 3.3V LOAD BU5 MST SW+5V Red Black 1 L1 D A VEE DGND AUX1 FE ARF SGND LO

30、E C D R L C IOP2 TRK+ M0 M1 M3 M2 DA TRK- EB F VR E B E B 4 58 30 90 61 120 91 60 31 34 5 12 2536 24 1348 37 1 21 18 1936 A8 I IC2 CN2 IC1 D1 IC4 Q2 IC5 Q3 Q1 IC8 GHFIJ 2 4 3 5 6 7 1 (X33-3040-00/0-01) Ref. No. Address IC1 2H IC2 3I IC4 5G IC5 5I IC8 4I IC9 3I IC11 4I Q13 5I IC12 5I Ref. No. Address

31、 Q1 2G Q2 2G Q3 3H Q7 5G Q10 5I Q12 5I S3 Q7 S4 X33-3040-XX (J74-0998-12) S2 S1 IC12 Q12 Q13 IC11 CN1 Q10 IC9 R3 E LOE-SW R97 C24 C52 C53 R52 R55 R58 R59 C55 R57 R44 B R95 C21 R96 C23 R14 C22 R13 R12 DET-SW R99 C26 1764 R86 CP8 TH1 CP10 LIM-SW LOS-SW L4 CP9 C72 CP2 R93 R82 R91 1 E 4 R94 8 C74 R90 B

32、5 C59 BE CP3 R83 E R81 X2 R85 C70 CP1 32 33 C38 48 49 TYPE1 CP7 R2 C8R1 L1 R79 8 L1 14 1 C69 20 M0 B R87 R92 4M/16M M4 C58 CP4 TP2 T3 M2 M1 16 M3 CP5 L C TED 1 JT T0 CP6 C41 1 7 25 PC BOARD (FOIL SIDE VIEW) Refer to the schematic diagram for the values of resistors and capacitors. C56 R41 R37 R45 R5

33、4 C50 R88R49 SGND C49 181 R56 19 R53 R48 C48 C54 C47 R46 36 R40 R43 C46 R42 R98C25 SL+ TRK- F- F+ TRK+ SL- IOP2 EB E R6 R5 C9 VC LOE EJECT LOAD Black SW+5V Red C D E BOTM ABCD C14 C44 R71 C66 C61 C65 ADFG DET R47 BU5 LOS 21 C45 R38 R39 DGND EJ AMUTE DA CL LIM MRST MST DGND 3.3V L3 C40 LO S5V AG SGND

34、 1 C63 L R77 8 R75 5 R67 R69 R65 1 M2 C37 M1 120 M3M0 R84 X1 C43 LDGND C18 C10 VCC RM NC E C1 B R4 VR IOP1 D C7 F C6 B C SAGND 13 R8 R7 R9 EB R11 R10 48 121 J A C5 VEE VC C13 R78 R80 90 24 R23 R24 R21 R18 91 C27 AUX2 3625 RF 37 C12 TE C17 C16 C15 C29 C28 R25 R19 SE L2 C35 C20 AUX1R26 SP+ ILCC Red C1

35、1 Black VC ARF FE SP- R20 R17 41 C64 R R74 R76 R72 R64 R70 R73 C60 R66 R68 1 C68 3 C75 4 5 C67 31 30 T0 60 61 L1 C31 C30 R29 R28 R30 R27 C34 C33 R33 R32 R31 C32 PEAK A8 I Q1 IC4 D1 Q2 IC8 CN2 IC2 Q3 IC1 IC5 Parts with the exploded numbers larger than 700 are not supplied. 3 2 1 1 AB 26 J J J J F G 7

36、71 F X33-3040-0 x J J Jx2 Ex2 D D G G B B B B B 735 736 B B A G C C C C B 770 B B A B C D E F G J M2x3.5 M2x2(BLK) M2x4 M1.7x2.5 M1.4x2 WASHER4 WASHER4 M2x3.5 : N09-4126-05 : N09-4236-05 : N09-4319-05 : N09-4269-05 : N09-4233-05 : N19-2029-04 : N19-2127-14 : N09-4349-05 44 45 45 6 31 44 32 49 1 42 4

37、1 14 5 23 23 24 22 25 21 61 MM3 11 47 13 26 3 15 MPU1 34 MM2 MM1 47 33 61 62 2 34 48 63 43 12 47 33 51 16 46 64 7 EXPLODED VIEW X92-3770-00,0-01/X92-3780-00,0-01 BCADEFGHIJ 2 4 3 5 6 7 1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VCC J B A VC I F C D E VEE ILCC LDGND VR RM NC FCS- FCS+ TRK-

38、TRK+ 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 MORFO MORFI RFO OPN OPO ADDC COMPP COMPO AGCI RFAGC RF PEAK BOTM ABCD FE AUX ADFG ADAGC ADIN ADFM SE CSLED TE WBLADJ GND TEMPI TEMPR SWDT SCLK XLAT XSTBY FOCNT

39、VREF EQADJ 3TADJ VCC I J VC A B C D E F PD APC APCREF 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 NC A04 A05 A06 A07 A08 A11 DVSS XOE AO9 XRAS XWE DI DO MVC DRVSS D3 D2 XCAS DRVS

40、S DRXOE DRVDD DVDD NC NC DHG APC ADFG FOCNT XLRF CKRF DTRF APCREF LDDR TRDR TFDR DVDD FFDR FRDR FS4 SRDR SFDR SPRD SPFD FGIN TEST1 TEST2 TEST3 DVSS MUR 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2

41、3 4 5 6 7 8 9 10 11 12 13 14 15 16 MSCL MSDA TYPE1 LADJ1 SCLK SWDT SRDT AVREF AVDD AVCON HOT AVSS XT1 XT2 IC(VPP) X1 X2 VDD SQSY XINT M STOP FZC MRST LIMSW MD MC ML DEEM XRST XLAT VSS A MUTE P-ON LDON ESDA ESCL SD MUTE TEST0 JTIME TYPE2 TEST3 TESTE M REM TDATA TCLK VSS IVRTBAL PASS AGC PASS C1 COUNT

42、 MNT0 SENS AUDIO INV 4M/16M 1 2 3 4 A0 A1 A2 GND 8 7 6 5 VCC TEST SCL SDA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 LOE-SW SGND SGND S5V S5V LOAD EJECT RCH AGND LCH A8V MSTOP MRST AMUTE DGND DGND BU5V MSDA MSCL LOS-SW DET-SW 36 35 34 33 32 31 30 29 27 26 25 24 23 22 21 20 19 MUTE3 S-GND

43、VIN5 VIN5- VIN5+ VIN4 VIN4- VIN4+ VREF1 FR VREF0 REGIN REGOUT ENREG VIN3+ VIN3- VIN3 VIN2+ VIN2- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 MUTE1 MUTE2 VCC2 V05- V05+ V04+ V04- V03+ V03- FR V02+ V02- V01+ V01- VCC1 VIN1 VIN1- VIN1+ VIN2 10 11 12 13 C8 0.022 R3 470K 95 96 97 470K R1 4.7K C16 4700P

44、1 C15 0.22 C17 GND SA 47KC20 56K R18 10K R7 91K R8 13K R9 R10 13K R11 13K R80 33K 0.1 C10 RF 10u10 C5 + C13 0.022 ARF VC R17 1004700P C14 0.1 C12 0.01 C11 FE R20 330 R19 100 TE R21 680 4.7 R5 0.01 R14 4.7K R13 R4 150 R6 100K IP1IP2 C9 10u10 + 1000P C1 1.8K R12 C22 160 C6 10u10 + 109 108 107 106 103

45、104 101 100 X1 22.58MHz R32 100K 10K R33 1 2 4 3 5 6 7 C38 0.01 0.1 C37 3 2 8 1 6 5 4 7 19 24K C62 820P 2.2K R64 2.7K R68 4.7K R70 2.2K R65 680 2200P C64 2200P C65 24K R67 1000P C60C61 1000P R72 10K R73 10K R74 10K 10K R75 680 R77 4.7K R71 2.7K R69 R76 820P 0.1 15 VOUT VCC C 43 CTL C75 0.01 77 78 78

46、 77 AUX1 4 5 10 12 11 C55 2200P R58 4.7K 104 103 R59 18K R57 18K R40R39 13K R54 18K R53 18K C52 4.7K 13K GND 2 10u10 C67 + R66 CLTV 68 ASYI ASYO 66 67 PDO AVSS RFI BIAS AVDD 70 69 72 71 FILO PCO FILI 74 73 76 75 83 FE ABCD BOTM PEAK 78 77 80 79 VC AUX1 81 82 ADRB ADRT AVDD ADIO 85 84 86 87 AUX2 AVSS

47、 SE TE 89 88 90 SWDT XLAT SQSY TST2 DATAI DAVDD OSCI AOUTR TST1 MUL DOUT DAVSS LRCK 23 25 24 DADT 21 22 XINT 19 20 OSCO 17 18 16 7 11 14 15 AOUTL 12 13 9 10 XRST 8 SENS 5 6 3 4 SRDT 2 SCLK 1 47K R79 R52 2200P 10K R25 R23 390K R28 1K 0.47 C31 R29 1K3.3K R30 R27 150 C30 0.015 R31 680K C32 100P C33 0.4

48、7 0.01 C34 L1 4.7 C35 R26 100 0.01 C29 0.1 C28 C27 1 R24 0.01 C44 10u10 C43 + CP8 100100K CP7 62 64 TYPE1 L1 100K CP6 CD 10K R90 32 64 62 35 26 37 33 17 CP5 100K 100K CP9 X2 8.38MHz SPDLE- SPDLE+ SLED+ SLED- EJECTM LOADM 8 9 6 7 5 4 78 312 2 13 114 GND VCC 4 11 510 6 9 CP4 100K 39 38 100 CP3 37 35 L4 0.1 C74 22 23 1K R81 R83 100 4.7K R92 17 C70 0.1 4.7 C72 R87 R86 TH1 4 36 5 7 41 19 38 58