Denon-DND4000-cd-sm维修电路原理图.pdf
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1、SERVICE MANUALMODEL DN-D4000DOUBLE CD PLAYER16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPANTelephone: 03 (3837) 5321 X0171V.01 DE/CDM 0303For U.S.A., Canada, Europe& Korea model前、必読。本機、火災、感電、対安全性確保配慮、法的電気用品安全法、所定許可得製造。従際、安全性維持、記載注意事項必守。本機仕様性能改良、予告変更。Please use this service manual with refer
2、ring to the operating instructions without fail.Some illustrations using in this service manual are slightly different from the actual set.修理際、必取扱説明書参照上、作業行。本文中使用、説明都合上現物多少異場合。補修用性能部品保有期間、製造打切後8年。注意RadioFans.CN 收音机爱 好者资料库11DN-D4000SAFETY PRECAUTIONSThe following check should be performed for the con
3、tinued protection of the customer and service technician.LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassisresistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to
4、either side of thepower cord is less than 460 kohms, the unit is defective.LASER RADIATIONDo not stare into beam or view directly with optical instruments, class 3A laser product.(1) (2) 500V1M(1) (2) RadioFans.CN 收音机爱 好者资料库22DN-D4000DISASSEMBLY(Follow the procedure below in reverse order when reass
5、embling)1.TOP COVER(1)Remove 4 screws on the both sides, and 1 screw on rear side, then remove 1 upper screw.(2)Pull up Top Cover.2.FRONT PANEL(1)Detach 2 Blind Labels on the bottom chassis.(2)Move CD Mecha Rack in the arrow direction through the label detached chassis opening. Loader Frame comes ou
6、t.(3)Pull up Loader Panel while pulling it towards front.(4)Remove 2 upper screws and 3 lower screws, and 2 screws on both sides.(5)Detach Front Panel.33DN-D40003.MECHANISM UNIT(1)Disconnect FFC cable.(2)Rrmove 8 lower screws(3)Remove 4 screws on rear side.NOTES: (a)Do notpull out aslant to prevent
7、the FFC cable from damage.(b)Do not fail to pull out AC cord from wall outlet befor disconnecting the FFCcable. If the ACcord is remainedplugged into wall outlet, the power is kept supplied in the unit, which may cause danger.4.MAIN P.W.B.(1)Remove 4 screws.(2)Disconnect Connector.(3)Detach Main P.W
8、.B.44DN-D40005.CD MECHA.(1)A gear is turned and a tray is opened.(2)Remove 4 upper screws.(3)Detach CD Mecha.6.COVER ( REMOTE CONTROL UNIT )(1)Remove 5 screws.NOTE:(a)Remote Control Unit and its back panel are connected with cables, so pay attention when removing the back pan-el.GearBLOCK DIAGRAMDN-
9、D400066DRIVERAN8785SBIC202HEAD AMPAN22002AIC203DIGITAL SERVO PROCESSORMN6627911ACIC2018M FLASH MEMORY M29W800DB70IC111SYSTEM uCOMMN102H60KDAIC10116M DRAMM11L1644SA-50TIC204PITCHSLIDE VRKEYJOG SHUTTLETR.SELKEY MATRIXBLOCKPANELUNIT 2REMOTE CPUUNITPANEL UNIT 1MAIN UNIT 2MAIN UNIT 1CD MECHAUNIT 18P MDCA
10、BLE16M DRAMM11L1644SA-50TIC210ANA OUT 2DIG OUT 2FADER 2FADER 1+5V REG (AUDIO)-5V REG (AUDIO) RESETPST600CIC301POWER UNIT-HB REG-HBF1F2POWERTRANSLED2UNITLED1UNITMONITOR DIODELASER DIODEFOCUS COILTRACKING COILDETECTORA BD CEFMLOADING MOTORCLOSESWOPEN SWMSPINDLEMOTORMSLIDE MOTORLIMIT SWAC+1.8V REG+3.3V
11、 REG+5V REG+9VP+5VD+5VA+1.8V+3.3VD-5VABSY , MBSYCD MECHAUNIT 2PULSETRANSDIG OUT 1BU2618FVIC113VCOTC9246FIC114TC74HCT7007AFIC112NJM78L05ATIC118+9VPDACPCM1748EIC206ANA OUT 1TR MUTE RESETPST600CIC403LED CONTROLBU2090FIC602LED BLOCKFLT14-MT-35GNFL601FL DRIVERM66005FPIC601+9V,-HB,F1,F2SN74AHCT08PWIC302RC
12、 TXD,RC RXDREMOTE uCOMTMP86CM47UIC402SN74AHCT08PWIC302+9V,-HB,F1,F2NJM7805FA(S)IC404+9V77DN-D4000SERVICE PROGRAMRequired Measuring Implement1. Reference disc (TCD784 or CO-74176)1. What is Service ProgramService program is a special program intended for confirming servo functions etc.2.Contents of S
13、ervice ProgramSwitch on the power while pushing the CD1s PITCH BEND + button and CD2s OPEN/CLOSE button at the sametime. After actuating the servo program, select an aiming process number with the SELECT knob, A1 button, or A3 button.Press the SELECT knob to execute the selected process, the process
14、 number is then displayed on the track indicator of thedisplay. To exit from the service program, just switch off the power.Function(Character-display)Contentscom Version check(Version No.)“SysVerXXXX”Check Version with JOG dial.1. System com version No.: 2. RC com version No.: “RC_VerXXXX”Error Cod
15、e Check(Error Data)Turn the JOG dial to display the logging error codes in the occurred order.“ErrXX_E* * * ” XX : occurred order E * * * : error code10 error logs are memorized at maximum.Kinds of Error Code, displayedError Code Table Pressing SELECT knob enters to data erase mode. (“Err Clear?” is
16、 displayed.)If the SELECT knob is pushed again, the memorized error data are cleared.Total Running Time(Total_Time)Total time span of servo function that counted by the hour is displayed.“R.Tim XXXXH”Note: No time is counted if disc tray is opened within 59 minutes.Pressing SELECT knob enters to dat
17、a erase mode. (“Time Clear?” is displayed.)If the SELECT knob is pushed again, the memorized time data are cleared.SELECT knobAutomaticServo AdjustmentcallStarts automatic servo adjustment when the SELECT knob is pushed, and aftercompleting the adjustment, sort of the used disc is indicated. Data is
18、 selectable withthe JOG dial.“Servo_Data”1. Focus gain data2. Focus balance data3. Focus offset data4. Tracking gain data5. Tracking balance data6. Tracking offset data88DN-D4000Adjustment ItemAdjustment Value indication atcharacter portions.Focus Gain0576 2304Focus Balance-050 +050Focus Offset-005
19、+005Tracking Gain0392 1569Tracking Balance-025 +025Tracking Offset-005 +005* Reference data.3. TEST MODEProcess No.(TRACKIndication)Function(Character-display)ContentsA1 buttonHeat Run(H/R1Normal)Starting with the PLAY/PAUSE button, it repeats open/close of the tray andplayback.All tracks are played
20、 back if the track count is less than 20. Only the first and lasttracks are played back if the tracks are more than 21. When any errors, it stopsand indicates error code (see Error Code Table).A2 button-Chucking Test(H/R2_Tray)Starting with the PLAY/PAUSE button, it repeats open/close of the tray, s
21、ervo on,and TOC read.The display shows the number of the tray operation. When any errors, it stops andindicates error code (see Error Code Table).Function(Character-display)ContentsLoading a disc by OPEN/CLOSE button.Press the PLAY/PAUSE button. B.E.R. is displayed.You can select the track by the JO
22、G DIAL.“E.Rate_XXX XXX : Block Error RateBlock Error Rate CheckServo CheckStarts automatic servo checking when the SELECT knob is pushed.Loading a disc by OPEN/CLOSE button.“Lchk_Open” : Disc Tray is opened.“Lchk_Wait” : During check.“Lchk_OK!” : Disc Tray is opened. “LchkErr * ” : Error(E *) is occ
23、urred.Illumination CheckAll illuminations are lit.All illuminations can be turned off to push the SELECT knob.Press the SELECT knob again, all illuminations can be lit.SELECT knob99DN-D40004. Error Code TableError CodeCONTENTSE001Unable to close the loader tray in the regulation time.E002Unable to o
24、pen the loader tray in the regulation time.E003Inner circle switch ON error even if the time is over.E004Inner circle switch OFF error even if the time is over.E005The focus offset adjustment result is outside the regulation range.E006Unable to adjust the focus offset in the regulation time.E007The
25、tracking offset adjustment result is outside the regulation range.E008Unable to adjust the tracking offset in the regulation time.E009The FE peak is outside the regulation range.E00AThe FE peak is outside the regulation range.E00BUnable to adjust the focus rough gain in the regulation time.E00CThe f
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