Denon-DN2000F-cd-sm维修电路原理图.pdf

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1、DENONSERVICE MANUALMCIDELDN.?cIcIcIFTABLE OF CONTENTSOPERATING INSTRUCTIONS . .2-12DISASSEMBLY .13-15LOADERFRAMEASSEMBLING .16NOTEFORHANDLINGOFLASERPICK-UP .,.17SERVOADJUSTMENT .18IC TERMINAL FUNCTION LIST . . .22-30PRINTED WIRNG BOARD PARTS LIST . .33.34PRINTED WIRING BOARD PATTERNS .35.36PARTSLIST

2、OFEXPLODEDVIEW. .38EXPLODED VIEW OF CHASSIS AND CABINET . . . . . .39PARTSLISTOF FG-sOMECHAUNIT .40EXPLODEDVIEWOFFG-sOMECHAUNIT . .40PARTS LIST OF RC-35 REMOTE CONTROL UNIT . . . .40EXPLODED VIEW OF RC-35 REMOTE CONTROL UNIT . . . . . .41WIRING DIAGRAM .42SCHEMATIC DIAGRAM .43.44SEMICONDUCTORS .4547

3、Hi-Fi ComponentuuluulllllllllllllllllllllllllDOUBLE CD PLAYERNIPPON COLUMBIA CO. LTD.RadioFans.CN 收音机爱 好者资料库EN.ffitFrDISASSEMBLYOTOPCOVER1. Remove4screws onbothsides,andl screw . on rear side.2. Pull up TOP COVER.O FROIT PANEL1. LOADER FRAME comes out when SLIDE nnCX otmechanism unit is pushed.Pull

4、up LOADER PANEL yh(e pulling it towards front.nrou z upper screws *d 3 lower screws DetACh FRONT PANEL.2.3.13RadioFans.CN 收音机爱 好者资料库r DN.EOCrIFO MECHANISI UNTT1. DisconnectffCca!a2. Remove 4 screws qQ!) .Note : O Do not pull out aslant to prevent FFC cable damage.O Do not fail to pull AC cord from w

5、all outlet beforedisconnect the FFC cable .lF AC cord is remained plugged into wall outlet,power is kept supplied in the unit, which may causedanger. MECHA. PWB ANd PWB BASEUnlock Locking Card Spacer at two places.Rotate MecfraPWB uprards (approx. 45), and take offMecha. PWBPiece HoldLockingCard Spa

6、cerPWB BaseConnector1 .2.from Piee Hold.3. Remove 2 screws on botr sides, then PWB Base isdetachable.14E N.ECEIOF I. CLAMPERPull damper and undo 4 hooks.o covER (REMOTE CONTROLITNIT)1. Remove5soews(1 ano4 ).Remote Control Unit(RC-35)15r E N.aooclFLOADER FRAME ASSEMBLING1. Slide the slide rack locate

7、d inner side of the loader frame,and set the lock lever as shown in the below figure.Rotate the gear portion of lift cam counterclockwise byfingeruntil it comes stopper part. At this time, confirm the drivemechanism that is placed in lowered position.Fit the guide of mechanism chassis and the ditch

8、of loaderframe and put the loader frame on the mechanism chassis.At this time, make sure that the front surface of the loaderf rame is set at 20mm extruded position f rom the lront surf aceof mechanism chassis.Insert the clamper frarne to the mechanism chassis until itlocks.Slide Rack.2.Loader Frame

9、ri-irrxQr_1i9 I rlQuidsMecha. Chassis.q /i t34VN.7/1p4*l l : - u lffiLoader Frame FrontDrive Mecha.UPDrive Mecha.DOWN20mm1 6EN.aoooF IIOTE FOR HANDUNG OF LASER PICK.UPIESCRIPTION OF THE COIU|PONENTS+X-axis cliredionObject lensOP Slide baseSlide rackDouble axes coverFlexible flat cableconnectoryear(l

10、ast figure)Iday month I quality control No.o o o o obut Oct. Nov. and Dec. are expressed by alphabetical lettersof X Y and Z 10 1 1ou- o o o oquality control -LD drive currentThe expressed unit is by mA, with omission of the decimal point asfor example, 56.5mA will be expressed as 565, but the head

11、ofEnglish letter means the control in the manufacturing plant.+Z-axis direction1,/+Y-axisY-axis(Tangential direction)X-axis(Radial direction)LabelKSS -240Aocoooo oooPIN CONNECTOR- Lot No.- lopLO2 Flexible boardPinNo.DescriptionInpuVOutoulPin.No.DescriptionInpuVOutout1VC (+2.5v)OUTVcc (+5V)IN2TE ffRK

12、 ER sional)OUTLDC (LD Control)IN3FE (FCS ER signal)OUT9FCS + (Double axes)IN4FZC (FZC signal)OUT1 0 TRK + (Double axes)INcRF (RF sional)OUT1 1TRK - (Double axes)IN6GNDIN12FCS - (Double axes)IN17I ElN,EClClClFSERVO ADJUSTMENTNECE$SARY EOUIPMENTS FOB ADJUSTMENT1. Dual trace oscilloscope2. Reference di

13、sc CA10943. Oscillator (10H2- 10kHz,0 -3 Vp-p)4. Frequency Counter5. Filter for measurementLOCATIONAdJustment ProcedureBe sure to perform servo adjustments and confirmations by thisorder of adjustment procedure.1 Actuating the Service Program.2 Confiirmation of Tracking Offset.3 Adjustment of Focus

14、Gain.4 Adjustment ol TracKng Gain.5 Confirmation of HF Waveform.1. Actuating the Servo ProgramO Tum the power off. While simultaneously pushing the center blue buttons (1,2)of remote control (RC-35), turn the power on. As the tray opens, set the adjustment disc (CA-1094). Displayed indication on the

15、 remote control (RC-35) isversion number of microcomputer program 4 figures on theleft are program version of remote control, and 4 figures onthe right are program version of main body mechanism.Program Version ofRemote Control (RC-35)Push the TRACK lFl button of the mechanism intendedto adjust for

16、one tifrIe. After confirm that 0 i is displayed,push the PLAY button. Then, the Tray will close.Push the TRACK l | button ( 0? is indicated), then pushthe PLAY button.ff33 Kohm IInput * o.oor rtr outPut(cU-2401) | (oscilloscoPe)+(Filter for measurement)Program Version ofMain Body Mechanismr0tz-n9E*I

17、 lLtLl E iLtl1 8Q/EtN.ecrtoF ro|dllmprTP1+rcOTEO OFllbrI-E2. Conflrmation of Tracklng OtfsetO ConnectionsPush the TRACK Dl button (0fObserve TEO on the scope.is indicated), then push the PLAY button.I q_alMeasure the voltage of A,B and in case ffi3. Adlusment of Focus GainO Connectionsexceeds 15%, p

18、lease replace pick-up as it is delected.L?Push the TRACK lFl Button (gj is indicated), then push the PLAY button.Set he oscillator 1.1kHz, 0.6 Vpp mode.Make the oscilloscope in X-Y mode.Adjust the VRI ( | FOCUS I ) so as to symmetrize Lissajous figure to X axis or Y axis.Nlb66p19I ElN.ElC|CclF4. Adj

19、ustment ot Tracking GainO ConnectionsA1)Confirm that 0Y is indicated.Set the osillator 1.9kHz, 0.6Vp-p mode.Make the oscillosggpe in )(-Y mode.Adjust the vR2 ( ITRAoK I ) so as to symmetrize Lissajous figure to X axis or Y axis.5. Gonfirmation of HFWaveformO ConnectionsFor PWB ftem No. 22224o1207For

20、 PWB ftem Nos. 2222401 OO32222401 100Observe HF wavelorm on the scope.The standard amplitude of HF waveform is 1.1V. lf it is less than 0.8V, please replace pick-up as it is defected.OsdllccopOeAccopsOEonGcopTPlo+.-vcGH F O20EN.ACEIOF I6. Adjustment of Super Linear GonverterAdjustment of Super Linea

21、r Converter is only performed at atime the DA Converter is replaced.Adiustment ProcedureO ConnectionsConnect the LINE OUT to a distortion meter through thelow-pass filter. Playback a disc obtains 1kHz, OdB sine wave tone. Adjust the VR300, VR301 and obtain minimum THD.VR300 .R-channelVR301 . L-chann

22、elTHD standard is less than 0.006%About the Service ProgramThe service program is a program specially for servo adjustments and for confirmations.Actuating the Service Program. Tum the power off. While simultaneously pushing the center blue buttons (1,2) ot remote control (RC-35), turn the power on.

23、 Program version of microcomputer indicated on the remote control signifies start actuating of service program.Contents of Service ProgramAfter actuating the service program, select an aiming process number with the TRACK t|RfJl buttons, TIME button,PITCH BEND button, and PITCH button, and push the

24、PLAY button to execute processing, The process number is thendisplayed on the TRACK indication portion.TRACKBUTTONSBEProcess No.ffRACK Indication)FunctionContents Explanation01OPEN/CLOSEPerforms OPEN/CLOSE each time the PLAY button is pushed.02SlideMoves pick-up to the center of disc.03FOCUS SERVO O

25、NTurns the FOCUS Servo ON.o4Confirmation ofTRACKING OFFSETRotates the disc. Checks divergence of Tracking Otfset.05Adjustment of GainAdjusts FOCUS, TRACKING Gains.Normally the same as PLAY MODE.06Cleaning ofPick-up LensPick-up. moves when SEARCH t l+ l)outton is pressed. Move thepick-up under the ho

26、le of mechanism PWB, and clean the lens.TIMEOACHUCKING TestRepeats OPEN/CLOSE of tray, servo ON, and TOC read.PITCHBENDEOBHeat Run(No Skip Check)Repeats OPEN/CLOSE of tray, repeals playing the first and the lastprograms of music on the disc. When an error ours, displays enor codeand stops.PITCHBENDE

27、0cHeat Run(With Skip Check)Repeats OPEN/CLOSE of tray, repeats playing the first and the lastprogram of music on the disc. Stops when skip (track jump) occurs.21I ElN.AOclclFIC TERMINAL FUNCTION LISTTABLE OF MTCROCOMPUTER (rC800) TERMTNALS1C800 is utilizing an external ROM in its initial lot until u

28、sing the mask item. As the contents of same terminals ditfer according to thelot for this reason, please be reminded at a time performing service. External ROM utilizing models are up to these serial numberslisted below.Model Serial No.EUROPE -881,886-950u.K. - 300u.s.A. - 620ModelCANADAMulti-Vollag

29、eSerial No.- 130- 100TerminalNo.SymbolNamevoTerminal Function1CUEL2oCUE LED ON/OFF siqnal of CD-2. ON atH.2PLYL2oPLAY LED ON/OFF signal of CO-2. ON at H.PITL2PITCH LED ON/OFF signal ol CD-2. ON at H.4PITLloPITCH LED ON/OFF signal of CD-1. ON at H.5PLYLloPLAY LED ON/OFF sional ot CO-1. ON at H.CUELlC

30、UE LED ON/OFF signal of CD-l. ON at H.RST-Hard reset input. Reset at LaVoo+5V power supply.9x2Clock oscilation circuit input 2.0X1Clock oscilation circuit input 1vss0V power supply.2Vss0V power supply.3Not connected.4LWCZChio enable sional ot CD-2s LCD driver.LCLK2Command transmitting clock lor CD-2

31、s LCD driveroLDAT2Command data tor CD-2s LCD driver.7LCEloChip enable signal o CD-1s LCD driver.dLCLKlUCommand transmitting clock or CD-ls LCD driver.oLDATloCommand data tor CD-1s LCD driver.oNot used. Fixed to L.21Not Connected.Not used. Fixed toL.z5Not used. Fixed to L.24oNot used. Fixed to U.25WR

32、-Not used. Mask ilem. fixed to L, extemal ROM. fixed to H.zo(JE-oEnable signal output for external ROM. Mask item. fixed to L, external ROM. pulse output fot reading27KOUT3Kev matrix scan siqnal 3.28KOUT2oKey matrix scan signal 2.29KOUTloKey matrix scan signal 130KOUTOKey matrix scan signal 0.e lNot

33、 mnnected.32A15Memory address 15. Not used. Mask ilem. fixed to L.JJ414oMemory address 14. Mask item. fixed toL.34413Memory address 13. Mask item. fixed to U.JJNot connected.JO412oMemorv address 12. Mask item. fixed to L.37A llMemory address 11. Mask item. tixed to L.38410Memorv address 10. Mask ite

34、m. lixed to f.39A9oMemory address 9. Mask item. lixed to L.40A8oMemory address 8. Mask item. lixed to L.41Not connected.22E N.EOOOF ITerminalNo.SymbolNamevoTerminal Function42AD7voData bus 7. Mask item. fixed to L43AD6t/oOata bus 6. Mask item. fixed to L44AD5VOData bus 5. Mask item. fixed to L45AD4v

35、oData bus 4. Mask item. fixed to L46AD3voData bus 3. Mask item. fixed to L47AD2Data bus 2. Mask ilem. fixed to L48AD1Data bus 1. Mask item. fixed to L.49ADOt/oData bus 0. Mask item. fixed to L5UASTBPulse for address latch. Mask item. fixed to L51Vss0V power supply.azVss0V power supply.5JNot connecte

36、d.uMODEMemory mode selection terminal. Use extemal ROM at H, use mask ROM at L. Mask item. L, external ROM H.3JNot connected.Not used.Not used.58Not used.Not used.OUNot connected61Not used.62Not used.Not used.64Not used.65Voo+5v power supply.66Voo+5v power supply.O IPITlCD-1 pitch volume input.68PT2

37、CD-2 pitch volume input.INotused. Fixed to L70Not connected.71Not used. Fixed to L72Not used. Fixed to L./ JNot used. Fixed to L.74Not used. Fixed to L.Not used. Fixed to LT OAVoo+5v power supply for A,/D converter.-aaAVREFl+5V. A,/D converter reference voltaqe.78Not connected.79AVss0V power supply

38、for eyD converter.80oNot used.81Not used.82AVREF2+5V. D/A converter reterence voltage.83AVREF30V. D/A converter reterence voltage.uNot connected.85KINl OCD-1 key data 0.86KINl1CD-1 kev data 187KIN12CD-1 kev data 2.88KIN13CD-1 key data 3.89KIN20CD-2 key data 0.90KIN21CD-2 key data 191KIN22CD-2 kev da

39、ta 2.92KIN23CD-2 key data 3.93RXD-Serial interface receotion dala.94TXD-oSerial interface transmission data.23I DN-AOGIOFTABLE OF MICROCOMPUTER pPD78233GJ-5BG(1C200) TERMINALS1C200 is utilizing an external BOM in its initial lot until using the mask item. As the contents of some terminals differ acc

40、ording to thelot for this reason, please be reminded at a time performing service. Extemal ROM utilizing models are up to these serial numberslisted below.Model Serial No.EUROPE -881,886-950u.K. - 300u.s.A. - 620ModelCANADAMulti-VoltageSerial No.- 130- 100TerminalNo.SymbolNamel/oTerminal FunctionI2R

41、ST2oReset siqnal of 1C201(pPD6381GF).3BRROoBreak request signal of 1C201 (pPD6381 GF). Not used. Fixed to H.4BRAKBreak acknowledqe siqnal ol 1C201 (rrPD6381 GF). Not used. Fixed to H.5(F2SOlC20l serial data input.7RST-Hard reset inDut. Reset at L.ttVoo+5V power supply.,2.Clock oscillation circuit in

42、put 2.10X1Clock oscillation circuit input 11 1Vss0V power supply.1 2Vss0V power supply.13Not connected.1 4CLOKoClock lor servo command, level command. Connected to lC1, 1C300.1 5DATAoData for servo command, level command. Connected to lC1, 1C300.1 6XLAToLatch pulse ot servo mmand. Latched at talling

43、 edge.17Not used. Fixed to L1 8LDONoLaser ON/OFF siqnal of optical pickup. Laser emits light at H.1 9Not used. Fixed to L20oNot used. Fixed to L21Not connected.22oNot used. Fixed to L23ORNO-IMechanism number input. Mechanism 1 at L, mechanism 2 at H.24TXDENDemand signal of serial intertace using. Us

44、ed at H.25oNot used. Mask item - fixed to L. , extemal ROM - fixed to H.26oE-oOutput enable signal lor extemal ROM. Mask item - fixed to L-, extemal ROM - pulse output tor readingcs-Chip selecl signal ol 1C201. Normally H. L at select only.28CJDCommandidata designate signal ol 1C201. Command at L, i

45、ndicates data transmitting qqdgat H.29scK-Clock for command transmission to 1C201.30sloCommand data to 1C201.31Not connected.32415oMemorv address 15. Not used. Mask item - fixed to L33A.14Memory address 14. Mask item - lixed to L34A13oMemorv address 13. Mask item - fixed to L.2tNot connected.A.12oMe

46、mory address 12. Mask item - fixed to L.A l loMemory address 11. Mask item - fixed to L .38A10Memory address 10. Mask item - fixed to L.20A9oMemory address 9. Mask item - lixed to f40A8Memory address 8. Mask item - fixed to L.41Not connected.42AD7voData bus 7. Mask item - fixed to L.ztilAD6voData bu

47、s 6. Mask item - fixed to L.24ElN.eoooF rTerminalNo.SymbolNamel/oTerminal Function44AD5voData bus 5. Mask item - fixed to L.45AD4UODala bus 4. Mask item - fixed to L.46AD3voData bus 3. Mask item - fixed to L47ADzt/oData bus 2. Mask item - fixed to L.48AD1l/oData bus 1. Mask item - fixed to U.49ADOt/

48、oData bus 0. Mask item - lixed to L.JUASTBoPulse for address latch. Mask item - tixed to L. 51Vss0V power supply.azVss0V power supply.5JNot connected.54MODEMemory read select terminal. Extemal ROM use at H, mask ROM use at L. Mask item - L, extemal ROM - H.Not connected.JbAMUTEoAudio output mute sig

49、nal. Mute at H.socKoClock for sub-code reading.58SENSIIndication siqnalof servo actuating condition. Emits lrom lC2.59CLOSE-Trav CLOSE switch. CLOSE state at L.60Not connectecl.61OPEN-Trav OPEN switch. OPEN state atL.62SOSOSub-code data input. Emits from lC2.63DFLAToCommand latch pulse for digital f

50、ilter. Output to 1C300.64Not used. Fixed to H.Voo+5vtrower supplyVoo+5v power supply.O ILDINAnalog input for tray drive servo.68STINInput for between microcomputers communication. Connected to STOUT of the other mechanism microcomuter. To mmmu-nicate with 3 kinds of voltages, i.e. 0V 2.5V, 5V.Not us