sony_MXD-D40_service_manual 维修电路图.pdf

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1、SERVICE MANUAL COMPACT DISC MINIDISC DECK US Model Canadian Model AEP Model UK Model E Model SPECIFICATIONS MXD-D40 US and foreign patents licensed from Dolby Laboratories Licensing Corporation. Photo: Gold type CD player section SystemCompact Disc digital audio system LaserSemiconductor laser ( = 7

2、80 nm) Emission duration: continuous Laser outputLess than 44.6 W* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. Frequency response5 to 20,000 Hz 0.5 dB Signal-to-noise ratioMore than 98 dB Wow and flutter

3、Below measurable limit MD deck section SystemMiniDisc digital audio system DiscMiniDisc LaserSemiconductor laser ( = 780 nm) Emission duration: continuous Laser outputLess than 44.6 W* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up

4、Block with 7 mm aperture. Laser diode properties Material: GaAlAs Revolutions (CLV)800 rpm to 1,800 rpm Error correctionAdvanced Cross Interleave Reed Solomon Code (ACIRC) Sampling frequency44.1 kHz CodingAdaptive TRansform Acoustic Coding (ATRAC)/ATRAC 3 Modulation systemEFM (Eight-to-Fourteen Modu

5、lation) Number of channels2 stereo channels Frequency response5 to 20,000 Hz 0.5 dB Signal-to-noise ratioOver 98 dB during playback Wow and flutterBelow measurable limit Inputs Jack type Input impedance Rated input Minimum input ANALOG IN Phono jacks 47 kilohms500 mVrms 125 mVrms DIGITAL OPTICAL IN

6、Square optical connector jack Optical wave length: 660 nm Ver 1.0 2001.03 9-929-578-11Sony Corporation 2001C0500-1Audio Entertainment Group C 2001.3General Engineering Dept. Model Name Using Similar MechanismMXD-D5C MD Mechanism TypeMDM-7X2A Optical Pick-up NameKMS-262A Model Name Using Similar Mech

7、anismMXD-D4 CD Mechanism TypeCDM55B-21BD53 Base Unit NameBU-21BD53 Optical Pick-up NameOP Assy (A-MAX.2) MD Section CD Section Continued on next page 收音机爱好者资料库 Ra d i o Fa n s .CN 2 MXD-D40 General Power requirements Where purchasedPower requirements U.S.A. and Canada120 V AC, 60 Hz Europe220 - 230

8、V AC, 50/60 Hz Certain countries in Asia220 - 240 V AC, 50/60 Hz Other countries110 - 120 or 220 - 240 V AC selectable, 50/60 Hz Power consumption22 W (less than 1 W at standby) Dimensions (approx.) (w/h/d) incl. projecting parts and controls 430 120 290 mm Mass (approx.)4.7 kg Supplied accessories

9、Design and specifications are subject to change without notice. Audio connecting cords (2) Remote commander (remote) (1) Sony R6 (size-AA) batteries (2) Power plug adaptor (1) (Singaporian model only) Outputs Jack typeRated outputLoad impedance PHONES Stereo phone jack 10 mW32 ohms ANALOG OUT Phono

10、jacks2 Vrms (at 50 kilohms) Over 10 kilohms ATTENTION AU COMPOSANT AYANT RAPPORT LA SCURIT! LES COMPOSANTS IDENTIFIS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHMATIQUES ET LA LISTE DES PICES SONT CRITIQUES POUR LA SCURIT DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PICES SONY DONT LES NU

11、MROS SONT DONNS DANS CE MANUEL OU DANS LES SUPPLMENTS PUBLIS PAR SONY. SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMB

12、ERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. 收音机爱好者资料库 Ra d i o Fa n s .CN 3 MXD-D40 SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes which show the error histor

13、y in the test mode during servicing. For details on how to view error codes for the customer, refer to the following box in the instruction manual. For details on how to check error codes during servicing, refer to the following “Procedure for using the Self-Diagnosis Function (Error History Display

14、 Mode)”. PROCEDURE FOR USING THE SELF-DIAGNOSIS FUNCTION (ERROR HISTORY DISPLAY MODE) Note: Perform the self-diagnosis function in the “error history display mode” in the test mode. The following describes the least required procedure. Be careful not to enter other modes by mistake. If you set other

15、 modes accidentally, press the MENU/NO button to exit the mode. 1.Press thex(CD),x(MD) and YES buttons at the same time. 2.Press the AMS (MD) knob andx(MD) button to display “ 0”. 3.Turn the AMS (MD) knob and when “ 5” is displayed, press the AMS (MD) knob. 4.Turn the AMS (MD) knob and when “Service

16、” is displayed, press the YES button. 5.Turn the AMS (MD) knob to display “Err Display”. 6.Press the YES button to sets the error history mode and displays “op rec tm”. 7.Select the contents to be displayed or executed using the AMS (MD) knob. 8.Press the AMS (MD) knob to display or execute the cont

17、ents selected. 9.Press the AMS (MD) knob another time returns to step 6. 10. Press the MENU/NO button to display “Err Display” and release the error history mode. 11. To release the test mode, press the?/1button to display “ 5”. 12. To turn the power OFF, turn the AMS (MD) knob and when “ 8” display

18、ed, press the AMS (MD) knob. lL lL lL lL lL lL lL lL lLlL Self-Diagnosis Function The deck has a self-diagnosis display. This function shows a three- or five-digit display (a combination of a letter and figures) and the corresponding message, so you can check the decks condition. If such a display a

19、ppears, check the following table in order to resolve the problem. Should any problem persist, consult your nearest Sony dealer. Three- or five-digit display/MessageCause/Remedy C11/ProtectedThe inserted MD is record-protected. , Take out the MD, and close the record-protect tab. C13/REC ErrorThe re

20、cording was not made properly. , Set the deck in a stable place, and repeat the recording procedure. The inserted MD is dirty (with smudges, fingerprints, etc.), scratched, or not up to standards. , Replace the disc, and repeat the recording procedure. C14/TOC ErrorThe deck could not read the TOC of

21、 the MD properly. , Insert another disc. , If possible, erase all tracks on the MD using the All Erase Function. While recording from a digital component connected through the DIGITAL OPTICAL IN connector, the digital connecting cable was unplugged or the digital component turned off. , Connect the

22、cable or turn the digital component back on. C12/Cannot CopyAn attempt was made to play a disc that is not compatible with this deck (CD- ROM, MD data disc, etc.). , Replace the disc. C13/Read ErrorThe deck could not read the TOC of the MD properly. , Eject the disc, then insert it again. C41/Cannot

23、 CopyThe digitally dubbed material cannot be recorded digitally. C71/Din UnlockA moments lighting is due to the signals of the digital program being recorded. This does not affect the recorded material. E0001/MEMORY NGThere is an error in the internal data that the deck needs in order to operate. ,

24、Consult your nearest Sony dealer. E0101/LASER NGThere ia a problem with the optical pick-up. , The optical pick-up may have failed. Consult your nearest Sony dealer. 收音机爱好者资料库 Ra d i o Fa n s .CN 4 MXD-D40 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode DisplayDetails of Histo

25、ry op rec tmCumulative recording time is displayed. When cumulative recording time is over 1 minute, the hour and minute are displayed as they are. When it is under 1 minute, “Under 1 min” is displayed. The displayed time shows how long the laser is in high power state. It is about one fourth the ac

26、tual recording time. op play tmCumulative playing time is displayed. When cumulative playing time is over 1 minute, the hour and minute are displayed as they are. When it is under 1 minute, “Under 1 min” is displayed. spdl rp tmCumulative spindle motor running time is displayed. When cumulative spin

27、dle motor run time is over 1 minute, the hour and minute are displayed as they are. When it is under 1 minute, “Under 1 min” is displayed. retry errDisplays the total number of retries during recording and number of retry errors during play. Displayed as “rss pss”. “r” indicates the retries during r

28、ecording while “p” indicates the retry errors during play. The number of retries and retry errors are displayed in hexadecimal digits from 00 to FF. total errDisplays the total number of errors. Displayed as “total ss”. The number of errors is displayed in hexadecimal digits from 00 to FF. err histo

29、ryDisplays the 10 latest errors. Displayed as “0s ErrCd”. s indicates the history number. The smaller the number, the more recent is the error. (00 is the latest). indicates the error code. Refer to the following table for the details. The error history can be switched by turning the AMS (MD) knob.

30、retry adrsDisplays the past five retry addresses. Displays “ss ADRS ssss”, ss is the history number, ssss is the cluster with the retry error. Select the error history number using the AMS knob. er refreshMode to clear the error history and retry address history. Operating method 1) Press AMS (MD) k

31、nob when “er refresh” is displayed. 2) The display will change to “er refresh?”, and then press YES button. The operation is over if “Complete!” is displayed. After this mode was executed, check the following: The data have been cleared. Perform the recording and playing to check that the mechanism

32、operates normally. tm refreshMode to clear the “op rec tm” and “op play tm” histories. These histories serve as approximate indications of when to replace the optical pick-up. If the optical pick-up has been replaced, perform this operation and clear the history. Operating method 1) Press AMS (MD) k

33、nob when “tm refresh” is displayed. 2) The display will change to “tm refresh?”, and then press YES button. The operation is over if “Complete!” is displayed. After this mode was executed, check the following: The data have been cleared. Perform the recording and playing to check that the mechanism

34、operates normally. op changeMode to clear cumulative time of “op rec tm” and “op play tm”. These historical data are used to determine the timing when the optical pick-up is to be replaced. When the optical pick-up was replaced, perform this operation to clear historical data. Operating method 1) Pr

35、ess AMS (MD) knob when “op change” is displayed. 2) The display will change to “op chang?”, and then press YES button. The operation is over if “Complete!” is displayed. spdl changeMode to clear cumulative time of “spdl rp tm”. This historical data is used to determine the timing when the spindle mo

36、tor is to be replaced. When the spindle motor was replaced, perform this operation to clear historical data. Operating method 1) Press AMS (MD) knob when “spdl change” is displayed. 2) The display will change to “spdl chang?”, and then press YES button. The operation is over if “Complete!” is displa

37、yed. lL lL lL lL lL lL 5 MXD-D40 Error CodeDetails of Error 10Loading failed 12Loading switch combination is illegal 20Head of PTOC could not be read within the specified time 21Head of PTOC could be read but its content is erroneous 22Access to UTOC could not be made within the specified time 23UTO

38、C could be not read within the specified 3time 24Content of UTOC is erroneous 30Playing could not start 31Content of sector is erroneous 40Cause of retry occurred during normal recording 41D-RAM overflowed and retry was executed 42Retry was executed during the writing to TOC 43S.F editing was interr

39、upted by retry 50Address could not be read except in access processing 51Focusing failed and it is out of control 60Unlock retry Table of Error Codes 6 MXD-D40 SELF-DIAGNOSIS FUNCTION.3 1.SERVICING NOTES.8 2.GENERAL. 18 3.DISASSEMBLY 3-1.Disassembly Flow . 19 3-2.Loading Panel. 20 3-3.Case . 20 3-4.

40、Front Panel Assy . 21 3-5.MAIN Board . 21 3-6.MD Mechanism Deck (MDM-7X2A) . 22 3-7.BD (MD) Board, Over Write Head (HR901) . 22 3-8.Holder Assy . 23 3-9.Loading Motor Assy (M103) . 23 3-10. Sled Motor Assy (M102) . 24 3-11. Optical Pick-up (KMS-262A). 24 3-12. Spindle Motor Assy (M101) . 25 3-13. CD

41、 Mechanism Deck (CDM55B-21BD53) . 25 3-14. Holder (BU) Assy. 26 3-15. BU-21BD53, Holder (55-BU21) . 26 3-16. Tray, LOADING Board. 27 3-17. Cam (CDM55) . 27 4.TEST MODE. 28 5.ELECTRICAL ADJUSTMENTS MD Section . 34 CD Section . 45 6.DIAGRAMS 6-1.Block Diagram MD SERVO Section . 47 6-2.Block Diagram MA

42、IN Section . 48 6-3.Block Diagram DISPLAY/POWER SUPPLY Section . 49 6-4.Note for Printed Wiring Boards and Schematic Diagrams . 50 6-5.Printed Wiring Board BD (CD) Board . 52 6-6.Schematic Diagram BD (CD) Board . 53 6-7.Schematic Diagram BD (MD) Board (1/2) . 54 6-8.Schematic Diagram BD (MD) Board (

43、2/2) . 55 6-9.Printed Wiring Board BD (MD) Board . 56 6-10. Printed Wiring Board MAIN Board (Side A) . 58 6-11. Printed Wiring Boards MAIN (Side B)/LOADING Boards . 59 6-12. Schematic Diagram MAIN Board (1/4) . 60 6-13. Schematic Diagram MAIN (2/4)/LOADING Boards . 61 6-14. Schematic Diagram MAIN Board (3/4) . 62 6-15. Schematic Diagram MAIN Board (4/4) . 63 6-16. Printed Wiring Boards DISPLAY/LP LED/PW SW Boards . 64 6-17. Schematic Diagram DISPLAY/LP LED/PW SW Boards . 65 6-18. Printed Wiring Board TRANS Board (Except Singapore) . 66 6-19. Schematic Diagram TRANS Bo