sony_MXD-D400_service_manual 维修电路图.pdf

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1、SERVICE MANUAL COMPACT DISC MINIDISC DECK US Model SPECIFICATIONS MXD-D400 US and foreign patents licensed from Dolby Laboratories. CD player section SystemCompact Disc digital audio system Laser Semiconductor laser (=780 nm) Frequency response20 Hz 20 kHz (0.5 dB) Wow and flutterBelow measureable l

2、imit (0.001% W.PEAK) MD deck section SystemMiniDisc digital audio system DiscMiniDisc LaserSemiconductor laser (=780 nm) Emission duration: continuous Sampling frequency44.1 kHz Frequency response20 Hz 20 kHz (0.5 dB) Inputs Jack typeInput impedance Rated input Minimum input ANALOG INPin jack47 kilo

3、hms500 mVrms250 mVrms DIGITAL OPTICAL IN Squqre optical connector jack Optical wave length: 660 nm Outputs General Power requirements120 V AC, 60 Hz Power consumption19 watts Less than 1 watt (at the power saving mode) Dimensions (w/h/d) incl. projecting parts and controls Approx. 430 108 399 mm Mas

4、sApprox. 5.4 kg Supplied accessories Design and specifications are subject to change without notice. Jack typeRated outputLoad impedance ANALOG OUTPin jack2 Vrms (at 47 kilohms) Over 10 kilohms DIGITAL OPTICAL OUT Squqre optical connector jack -18 dBmOptical wave length:660 nm PHONESStereo phone jac

5、k 10 mW32 ohm Audio connection cords (2) Remote commander (remote) (1) Sony R6 (size-AA) batteries (2) Ver 1.0 2003.05 9-877-241-01Sony Corporation 2003E05-1Home Audio Company C 2003.5Published by Sony Engineering Corporation Model Name Using Similar MechanismNEW MD Mechanism TypeMDM-7S2C Optical Pi

6、ck-up NameKMS-262E Model Name Using Similar MechanismNEW CD Mechanism TypeCDM66C-30B61M Base Unit NameBU-30BD61B Optical Pick-up NameOP Assy (A-MAX.4T) MD Section CD Section 收音机爱好者资料库 Ra d i o Fa n s .CN 2 MXD-D400 SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for custo

7、mers which are displayed automatically when errors occur, and error codes which show the error history 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 serv

8、icing, refer to the following “Procedure for using the Self-Diagnosis Function (Error History Display 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 des

9、cribes the least required procedure. Be careful not to enter other modes by mistake. If you set other modes accidentally, pull out the AC cord to turn the power off and retry to enter the test mode. 1.Press the?/1button to turn he power on. 2.Press the AMS (CD) knob and INPUT button at the same time

10、, press the AMS (MD) knob to display “SYS version”. 3.Turn the AMS (CD) knob and when “MD Test” is displayed, press the AMS (MD) knob. 4.Turn the AMS (MD) knob and when “Service” is displayed, press the YES button. 5.Turn the AMS (MD) knob to display “Err Display”. 6.Press the YES button to sets the

11、 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 contents selected. 9.Press the AMS (MD) knob another time returns to step 6. 10. Press the MENU/NO button to display “Err Displ

12、ay” and release the error history mode. 11. To release the test mode, press the AMS (CD) knob and INPUT button at the same time, press the AMS (MD) knob. 12. Press the?/1button to turn the power off. lL lL lL lL lL lL lL lLlL This deck has a Self-diagnosis display function to let you know if there i

13、s a deck malfunction. The display shows a code made up of three or five letters and a message alternately to show you the problem. To solve the problem refer to the following list. If any problem persists, consult your nearest Sony dealer. C11/Protected The MD is protected against erasure. cRemove t

14、he MD and slide the tab to close the slot. C12/Cannot Copy You tried to record a CD with a format that the deck does not support, such as a CD-ROM or MD data. cReplace the playable disc. C13/REC Error Recording could not be performed properly. cMove the deck to a stable place, and start recording ov

15、er from the beginning. The MD is dirty or scratched, or the MD does not meet the standards. cReplace the MD and start recording over from the beginning. C13/Read Error The MD deck cannot read the disc information properly. cRemove the MD once, then insert it again. C41/Cannot Copy The digitally dubb

16、ed material cannot be recorded digitally. C71/Din Unlock The digitally dubbed material cannot be recorded digitally. A moments lighting is due to the signals of the digital program being recorded. This does not affect the recorded material. The digital optical cable is disconnected, or the power of

17、the connected component is turned off while recording the digital audio from the component connected to the DIGITAL OPTICAL IN jack. cConnect the digital optical cable, or turn on the power of the connected component. E0001/MEMORY NG The component has internal problem. cConsult your nearest Sony dea

18、ler. E0101/LASER NG There is a problem with the laser pickup. cThe laser pickup may be damaged. Consult your nearest Sony dealer. E0201/LOADING NG There is a problem with the loading. cThe loading may be failed. Consult your nearest Sony dealer. C14/TOC Error The MD deck cannot read the disc informa

19、tion properly. cReplace the MD. cErase all the recorded contents of the MD using the All Erase Function. lL lL 收音机爱好者资料库 Ra d i o Fa n s .CN 3 MXD-D400 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode DisplayDetails of History op rec tmCumulative recording time is displayed. Wh

20、en 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 actual recording time. op play tmCumulative playing time

21、 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 spindle motor run time is over 1 minute, the hour and minu

22、te 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 recording while “p” indicates the retry errors during p

23、lay. 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 historyDisplays the 10 latest errors. Displayed as “0s ErrC

24、d”. 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. retry adrsDisplays the past five retry addresses. Disp

25、lays “ss ADRS ssss”, ss is the history number, ssss is the cluster with the retry error. Select the error history number using the AMS (MD) knob. er refreshMode to clear the error history and retry address history. Operating method 1) Press AMS (MD) knob when “er refresh” is displayed. 2) The displa

26、y 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 operates normally. tm refreshMode to clear the “o

27、p 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) knob when “tm refresh” is displayed. 2) The displa

28、y 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 operates normally. op changeMode to clear cumulat

29、ive 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) Press AMS (MD) knob when “op change” is displayed.

30、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 motor is to be replaced. When the spindle motor was

31、 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 displayed. lL lL lL lL lL lL 收音机爱好者资料库 Ra d i o Fa n s

32、.CN 4 MXD-D400 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 23UTOC could be not rea

33、d 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 interrupted by retry 50A

34、ddress could not be read except in access processing 51Focusing failed and it is out of control 60Unlock retry Table of Error Codes 5 MXD-D400 SELF-DIAGNOSIS FUNCTION.2 1.SERVICING NOTES.7 2.GENERAL. 16 3.DISASSEMBLY 3-1.Disassembly Flow . 17 3-2.Case (409538) . 18 3-3.Loading Panel (CD) . 18 3-4.MD

35、 Mechanism Deck (MDM-7S2C). 19 3-5.CD Mechanism Deck (CDM66C-30B61C) . 19 3-6.Transformer Board . 20 3-7.Main Board. 20 3-8.Front Panel Block Section . 21 3-9.Holder Section. 21 3-10. Over Write Head (HR901). 22 3-11. Optical Pick-up (KMS-262E) . 22 3-12. BD (MD) Board . 23 3-13. Loading Motor Assem

36、bly (M103), Spindle Motor Assembly (M101), Sled Motor Assembly (M102) . 23 3-14. Tray (66). 24 3-15. BD (CD) Board . 25 3-16. Optical Block Section . 25 4.TEST MODE. 26 5.ELECTRICAL ADJUSTMENTS MD Section . 32 CD Section . 44 6.DIAGRAMS 6-1.Block Diagram CD Section . 46 6-2.Block Diagram MD Section

37、. 47 6-3.Block Diagram MAIN Section . 48 6-4.Note for Printed Wiring Boards and Schematic Diagrams . 49 6-5.Printed Wiring Board BD (CD) Section . 50 6-6.Schematic Diagram BD (CD) Section . 51 6-7.Schematic Diagram BD (MD) Board (1/2) . 52 6-8.Schematic Diagram BD (MD) Board (2/2) . 53 6-9.Printed W

38、iring Board BD (MD) Board . 54 6-10. Printed Wiring Board MAIN Board (Component Side) . 56 6-11. Printed Wiring Board MAIN Board (Conductor Side) . 57 6-12. Schematic Diagram MAIN Board (1/4) . 58 6-13. Schematic Diagram MAIN Board (2/4) . 59 6-14. Schematic Diagram MAIN (3/4)/LOADING Boards . 60 6-

39、15. Schematic Diagram MAIN Board (4/4) . 61 6-16. Printed Wiring Boards Panel Section . 62 6-17. Schematic Diagram Panel Section . 63 6-18. Printed Wiring Board TRANSFORMER Board . 64 6-19. Schematic Diagram TRANSFORMER Board . 65 6-20. IC Pin Function Description . 74 7.EXPLODED VIEWS 7-1.Overall S

40、ection. 83 7-2.Front Panel Section . 84 7-3.Chassis Section . 85 7-4.MD Mechanism Deck Section-1 (MDM-7S2C) . 86 7-5.MD Mechanism Deck Section-2 (MDM-7S2C) . 87 7-6.CD Mechanism Deck Section (CDM66C-30B61M) . 88 7-7.Base Unit Section (BU-30BD61M). 89 8.ELECTRICAL PARTS LIST. 90 TABLE OF CONTENTS 6 M

41、XD-D400 SAFETY CHECK-OUT After correcting the original service problem, perform the follow- ing safety check before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described bel

42、ow. LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes.). Leakage current can be measured by any one of three methods. 1.A commercial leakage tester, s

43、uch as the Simpson 229 or RCA WT-540A. Follow the manufacturers instructions to use these instruments. 2.A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3.Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC volt