Denon-DND9000-cd-sm维修电路原理图.pdf
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1、Hi-Fi ComponentSERVICE MANUALMODELDN-D9000DOUBLE CD PLAYER?Some illustrations using in this service manual are slightly different from the actual set.For U.S.A., Canada,Europe & Asia model16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPANTelephone: 03 (3837) 5321X0139 NC 0203RadioFans.CN 收音机爱
2、好者资料库2DN-D9000SPECIFICATIONSGENERALType:Twin mechanism compact disc player with wired remote controlDisc Type:Standard compact discs (12 cm and 8 cm discs)For CD-R and CD-RW discs, only finalized ones can be played back.However, some discs may not be playable depending on their recordingconditions.D
3、imensions:Player unit:482 (W) 88 (H) 252 (D) mm (without feet)18-31/32 (W) 3-15/32 (H) 9-59/64 (D)Remote control unit:482 (W) 62 (H) 40 (D) mm (without feet)18-31/32 (W) 2-7/16 (H) 1-37/64 (D)Installation:19-inch rack mountablePlayer unit:2URemote control unit:3UPlayer unit:8 kg (17 lbs. 10.2oz)Remo
4、te control unit:4 kg (8 lbs. 13.1oz)Power Supply:U.S.A. & Canada model:120 V AC10 %, 60 HzEurope & Asia model:230 V AC10 %, 50 HzPower Consumption:33 WEnvironmental Conditions:Operational temperature:5 to 35 C (41 to 95 F)Operational humidity:25 to 85 % (no condensation)Storage temperature:20 to 60
5、C (4 to 140 F)AUDIO SECTIONMain out/Monitor outQuantization:24-bit linear per channelSampling Frequency:44.1 kHz at normal pitchOversampling Rate:8 timesTotal Harmonic Distortion:0.01 % or lessS/N Ratio:90 dB or moreChannel Separation:85 dB or moreFrequency Response:20 to 20,000 HzAnalog outputMain
6、Out Level:2.0 VrmsMonitor Out Level:2.0 VrmsDigital Output:Signal Format:SPDIF (6 dB)Output Level:0.5 Vp-p 75 /ohmsLoad Impedance:10 k/kohms or moreFUNCTIONSInstant Start:Within 20 msec.Variable PitchMain, Track:4 % (0.05 % pitch), 10 % (0.1 % pitch), 16 % (0.1 % pitch),24 % (0.1 % pitch), 100 % (1
7、% pitch)Pitch Bend:Pitch range:4 %, 10 % : 12 %Pitch range:16 %, 24 %: 26 %Pitch range:100 %: 99 %SAMPLERSampling:44.1 kHzLength:15 secOutput Level:2.0 Vrms (Variable/14+6 dB)Variable Pitch:24 % (0.1 % pitch)Search Precision:1/75 sec (1 subcode frame)Max. Scan Speed:Over 20 times normal speedMax. Me
8、mo Memory Steps:5,000 stepsSAFETY PRECAUTIONSThe following check should be performed for the continued 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 chassisresis
9、tance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of thepower cord is less than 460 kohms, the unit is defective.RadioFans.CN 收音机爱 好者资料库3DN-D9000Drive Unit2. Top Cover1) Remove 4 screws 2 and 2 screws 3.2) Detach Top Cover.243. Front Panel Un
10、it1) Remove 7 screws 4 and pull out Front Panel Unit.Top Cover112Front Panel UnitMain Unit1. Drive Unit1) Remove 4 screws 1 and pull out Drive Unit.2) Disconnect Flat cable and Connector.3) Detach Drive Unit.Note: Pull at a straight angle to avoid Flat Cable damage. Do not fail to pull AC cord from
11、wall outlet before disconnectthe Flat Cable and Connector. If AC cord is remainedplugged into wall outlet, power is kept supplied in the unit,which may cause danger.DISASSEMBLY (Follow the procedure below in reverse order when reassembling)Drive UnitFlat CableConnector334444DN-D90004. Drive Cover1)
12、Remove 5 screws 5 and pull out Drive Cover.5. Drive1) Move Drive Rack in arrow direction through the hole onthe bottom chassis. Loader Frame comes out.2) Pull up Loader Panel while pulling it towards front.3) Remove 4 screws 6 and pull out Drive.Drive Panel6Drive RackLoader Panel6Loader FrameDriveDr
13、ive Cover555DN-D9000Remote Control Unit1. Top Cover1) Remove 7 screws 7 and pull out Top Cover.7Top Cover2. Cover1) Disconnect Connector.2) Remove 2 screws 8 and pull out Cover.ConnectorCover83. Sensor Unit1) Remove 2 screws 9 and pull out Sensor Cover.2) Detach Sensor Unit.9Sensor CoverSensor Unit6
14、DN-D9000Wheel UnitSet Screw6. Inner Panel Unit1) Remove 4 screws ? ? and pull out Knob (MARU) andFader Knob.2) Remove 4 screws ? ? and pull out Inner Panel Unit.5. Jog Dial Unit1) Remove a E ring ? ? and pull out Jog Dial Unit.4. Wheel Unit1) Remove Set Screw and pull out Wheel Unit.? ? ? ?Jog Dial
15、UnitKnob (MARU)Fader KnobInner Panel Unit? ?7DN-D900043215678DCBAEBLOCK DIAGRAMRC-D90DN-D9000CD1 FL tube outTFS0LRCKmain1 outFLT DriverML9207TCK0BCLKAMP10FG-9000ADDRESSTXD0AMAIN18CHCD1DRIVE1TXD0BMON1D/Amon1 outPCM1608AMP11ATAPIINTERFACEmain2 outAMP20mon2 outAMP21TMP86CM47UROM32kRAM1kLED outKey scan1
16、6Bit BusTCK1DITVR inATAPIBUSselectTXD1ADOUT1SM5902JOGinterfacedigital outCPU DSPBUS8bit BusinterfaceRC112V5.0VJOG1DRIVERJOG1DRIVER5.0VRC2JOG2JOG23.3VXEFFECTData07FADER15.0VHB8.0VFADER2F1/F212.0V12V5.0V8.0VCPU DSPaddress CD2BUSHBinterfacedata4MMEMOFL tube outATAPIFLASH MEMORYFG-9000interfaceDRIVE216B
17、it BusATAPITFS0LRCKINTERFACETCK0BCLKTXD0AMAIN2TXD0BMON2ADDRESSTMP86CM47UROM32kRAM1kLED outKey scanVR inJOGTFS1DIT2TCK1SM5902TXD1ADOUT2digital out128MBSDRAM128MBSDRAMLEDdriveBU2090FLT1384fsDMAATAP InterfaceCPUSYSTEMCPUTMP86CM47UMN102H730FRAM10KRC/FLT PowerDC-DC ConverterATAP InterfaceCPUTMP86CM47U4MF
18、LASH MEMORY(DSP BOOT)DMA128MBFLT2ADSP21065LSDRAMDSP2RAM ControlEFFECTORSHOCK PROOF128MBSDRAM+12.0VSWITCHINGREGULATORBUSselectD0D15D16D31RAM ControlEFFECTORADSP21065LDSP1SHOCK PROOFD6D31D0D15TFS1COM1COM2COM3Control SignalAddressCOM4comFLT DriverML9207CD1com8bit BusLEDdriveBU2090D9000_Block.p6502/03/1
19、4, 18:35Page 7Adobe PageMaker 6.5J/Win8DN-D9000Required Measuring Implement1. Reference disc (TCD784 or CO-74176)1. What is Service ProgramService program is a special program intended for confirming servo functions etc.CONFIRMING THE SERVO2. Contents of Service ProgramSwitch on the power while push
20、ing the CD1s PITCH BEND + button and CD2s CUE button at the same time. Afteractuating the servo program, select an aiming process number with the SELECT knob, A1 button, A2 button, or A3 button.Press the SELECT knob to execute the selected process, the process number is then displayed on the track i
21、ndicator of thedisplay. To exit from the service program, just switch off the power.Process No.(TRACKIndication)Function(Character-display)Contents01?com Version check(Version No.)Check Version with JOG dial.1. System ?com version No.: “Sys_XXXX”2. DSP soft version No.: “Dsp_XXXX”3. ATAPI ?com versi
22、on No.: “Atapi_XXXX”4. RC ?com version No.: “Rc_XXXX”5. ROM drive mecha. ?com version No.: “Drive_XXXX”02OPEN/CLOSE(Open Close)Performs open/close each time when the SELECT knob is pushed.03Drive Diagnostic(Drive_Diag)ROM drive performs operation check when the SELECT knob is pushed, andindicates th
23、e operational result. If the disc holder open, it starts the operation checkafter closing. It indicates “Normal_End” if it ends normal. In case of error, ROMdrive error code is displayed in the characters lower portion as “E?”.04Drive Data Read(Data Read)Starts continuous playback at its maximum rea
24、ding speed from the beginning ofdisc when the SELECT knob is pushed. It halts reading and stops if the knob ispushed again.05Error Code Check(Error Data)Turn the JOG dial to display the logging error codes in the occurred order.(“Error Data” is displayed.)10 error logs are memorized at maximum.Kinds
25、 of Error Code, displayedError Code Table (Appears only at Heat Run and Chucking Test function)Pressing SELECT knob enters to data erase mode. (“Err Clear?” is displayed.)If the SELECT knob is pushed again, the memorized error data are cleared.06Total Running Time(Total_Time)Total time span of servo
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