Denon-DN2000F-cd-sm 电路图 维修手册.pdf

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1、DENON SERVICE MANUAL MCIDELDN.?cIcIcIF TABLE OF CONTENTS OPERATING INSTRUCTIONS . .2-12 DISASSEMBLY .13-15 LOADERFRAMEASSEMBLING .16 NOTEFORHANDLINGOFLASERPICK-UP .,.17 SERVOADJUSTMENT .18 IC TERMINAL FUNCTION LIST . . .22-30 PRINTED WIRNG BOARD PARTS LIST . .33.34 PRINTED WIRING BOARD PATTERNS .35.

2、36 PARTSLISTOFEXPLODEDVIEW. .38 EXPLODED VIEW OF CHASSIS AND CABINET . . . . . .39 PARTSLISTOF FG-sOMECHAUNIT .40 EXPLODEDVIEWOFFG-sOMECHAUNIT . .40 PARTS LIST OF RC-35 REMOTE CONTROL UNIT . . . .40 EXPLODED VIEW OF RC-35 REMOTE CONTROL UNIT . . . . . .41 WIRING DIAGRAM .42 SCHEMATIC DIAGRAM .43.44

3、SEMICONDUCTORS .4547 Hi-Fi Component uuluulllllllllllllllllllllllll DOUBLE CD PLAYER NIPPON COLUMBIA CO. LTD. RadioFans.CN 收音机爱 好者资料库 EN.ffitFr DISASSEMBLY OTOPCOVER 1. Remove4screws onbothsides,andl screw . on rear side. 2. Pull up TOP COVER. O FROIT PANEL 1. LOADER FRAME comes out when SLIDE nnCX

4、ot mechanism unit is pushed. Pull up LOADER PANEL yh(e pulling it towards front. nrou z upper screws *d 3 lower screws DetACh FRONT PANEL. 2. 3. 13 RadioFans.CN 收音机爱 好者资料库 r DN.EOCrIF O MECHANISI UNTT 1. DisconnectffCca!a 2. Remove 4 screws qQ!) . Note : O Do not pull out aslant to prevent FFC cable

5、 damage. O Do not fail to pull AC cord from wall outlet before disconnect the FFC cable . lF AC cord is remained plugged into wall outlet, power is kept supplied in the unit, which may cause danger. . MECHA. PWB ANd PWB BASE Unlock Locking Card Spacer at two places. Rotate MecfraPWB uprards (approx.

6、 45), and take off Mecha. PWB Piece Hold Locking Card Spacer PWB Base Connector 1 . 2. from Piee Hold. 3. Remove 2 screws on botr sides, then PWB Base is detachable. 14 RadioFans.CN 收音机爱 好者资料库 E N.ECEIOF I . CLAMPER Pull damper and undo 4 hooks. o covER (REMOTE CONTROLITNIT) 1. Remove5soews(1 ano4 )

7、. Remote Control Unit (RC-35) 15 r E N.aooclF LOADER FRAME ASSEMBLING 1. Slide the slide rack located 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 byfinger until it comes stopper part. At this time, confirm

8、the drive mechanism that is placed in lowered position. Fit the guide of mechanism chassis and the ditch of loader frame and put the loader frame on the mechanism chassis. At this time, make sure that the front surface of the loader f rame is set at 20mm extruded position f rom the lront surf ace of

9、 mechanism chassis. Insert the clamper frarne to the mechanism chassis until it locks. Slide Rack. 2. Loader Frame ri-ir rx Qr_1i9 I rlQuids Mecha. Chassis. q /i t3 4VN.7/1p4* l l : - u l ffi Loader Frame Front Drive Mecha.UP Drive Mecha.DOWN 20mm 1 6 EN.aoooF I IOTE FOR HANDUNG OF LASER PICK.UP IES

10、CRIPTION OF THE COIU|PONENTS +X-axis cliredion Object lens OP Slide base Slide rack Double axes cover Flexible flat cable connector year (last figure) I day month I quality control No. o o o o o but Oct. Nov. and Dec. are expressed by alphabetical letters of X Y and Z 10 1 1ou - o o o o quality cont

11、rol - LD drive current The expressed unit is by mA, with omission of the decimal point as for example, 56.5mA will be expressed as 565, but the head of English letter means the control in the manufacturing plant. +Z-axis direction 1 ,/ +Y-axis Y-axis (Tangential direction) X-axis (Radial direction)

12、Label KSS -240A ocooo o ooo PIN CONNECTOR - Lot No. - lop LO2 Flexible board Pin No. DescriptionInpuV Outoul Pin. No. DescriptionInpuV Outout 1VC (+2.5v)OUTVcc (+5V)IN 2TE ffRK ER sional)OUTLDC (LD Control)IN 3FE (FCS ER signal)OUT9FCS + (Double axes)IN 4FZC (FZC signal)OUT1 0 TRK + (Double axes)IN

13、cRF (RF sional)OUT1 1TRK - (Double axes)IN 6GNDIN12FCS - (Double axes)IN 17 I ElN,EClClClF SERVO ADJUSTMENT NECE$SARY EOUIPMENTS FOB ADJUSTMENT 1. Dual trace oscilloscope 2. Reference disc CA1094 3. Oscillator (10H2- 10kHz,0 -3 Vp-p) 4. Frequency Counter 5. Filter for measurement LOCATION AdJustment

14、 Procedure Be sure to perform servo adjustments and confirmations by this order of adjustment procedure. 1 Actuating the Service Program. 2 Confiirmation of Tracking Offset. 3 Adjustment of Focus Gain. 4 Adjustment ol TracKng Gain. 5 Confirmation of HF Waveform. 1. Actuating the Servo Program O Tum

15、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 remote control (RC-35) is version number of microcomputer program 4 figures on the left are progra

16、m version of remote control, and 4 figures on the right are program version of main body mechanism. Program Version of Remote Control (RC-35) Push the TRACK lFl button of the mechanism intended to adjust for one tifrIe. After confirm that 0 i is displayed, push the PLAY button. Then, the Tray will c

17、lose. Push the TRACK l | button ( 0? is indicated), then push the PLAY button. ff 33 Kohm I Input * o.oor rtr outPut (cU-2401) | (oscilloscoPe) + (Filter for measurement) Program Version of Main Body Mechanism r0tz-n9 E * I lLtLl E iLtl 1 8 Q/ EtN.ecrtoF r o|dllmpr TP1 + rcO TEO O Fllbr I-E 2. Confl

18、rmation of Tracklng Otfset O Connections Push the TRACK Dl button (0f Observe TEO on the scope. is indicated), then push the PLAY button. I q_al Measure the voltage of A,B and in case ffi 3. Adlusment of Focus Gain O Connections exceeds 15%, please replace pick-up as it is delected. L? Push the TRAC

19、K 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. Nlb66p 19 I ElN.ElC|CclF 4. Adjustment ot Tracking Gain O Connections A 1) Conf

20、irm 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 HFWaveform O Connections For PWB ftem No. 22224o1207For PWB ftem Nos. 2222401 OO3 2222401 100

21、 Observe 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. Osdllccop OeAccops OEonGcop TPl o+ .- vcG H F O 20 EN.ACEIOF I 6. Adjustment of Super Linear Gonverter Adjustment of Super Linear Converter is only per

22、formed at a time the DA Converter is replaced. Adiustment Procedure O Connections Connect the LINE OUT to a distortion meter through the low-pass filter. Playback a disc obtains 1kHz, OdB sine wave tone. Adjust the VR300, VR301 and obtain minimum THD. VR300 .R-channel VR301 . L-channel THD standard

23、is less than 0.006% About the Service Program The 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. Program ver

24、sion of microcomputer indicated on the remote control signifies start actuating of service program. Contents of Service Program After 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 PLAY butt

25、on to execute processing, The process number is then displayed on the TRACK indication portion. TRACK BUTTONS BE Process No. ffRACK Indication) FunctionContents Explanation 01OPEN/CLOSEPerforms OPEN/CLOSE each time the PLAY button is pushed. 02SlideMoves pick-up to the center of disc. 03FOCUS SERVO

26、ONTurns the FOCUS Servo ON. o4 Confirmation of TRACKING OFFSET Rotates the disc. Checks divergence of Tracking Otfset. 05 Adjustment of GainAdjusts FOCUS, TRACKING Gains. Normally the same as PLAY MODE. 06 Cleaning of Pick-up Lens Pick-up. moves when SEARCH t l+ l)outton is pressed. Move the pick-up

27、 under the hole of mechanism PWB, and clean the lens. TIMEOACHUCKING TestRepeats OPEN/CLOSE of tray, servo ON, and TOC read. PITCH BEND E OB Heat Run (No Skip Check) Repeats OPEN/CLOSE of tray, repeals playing the first and the last programs of music on the disc. When an error ours, displays enor co

28、de and stops. PITCH BEND E 0c Heat Run (With Skip Check) Repeats OPEN/CLOSE of tray, repeats playing the first and the last program of music on the disc. Stops when skip (track jump) occurs. 21 I ElN.AOclclF IC TERMINAL FUNCTION LIST TABLE OF MTCROCOMPUTER (rC800) TERMTNALS 1C800 is utilizing an ext

29、ernal ROM in its initial lot until using the mask item. As the contents of same terminals ditfer according to the lot for this reason, please be reminded at a time performing service. External ROM utilizing models are up to these serial numbers listed below. Model Serial No. EUROPE -881,886-950 u.K.

30、 - 300 u.s.A. - 620 Model CANADA Multi-Vollage Serial No. - 130 - 100 Terminal No. Symbol Name voTerminal Function 1CUEL2oCUE 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 a

31、t H. 5PLYLloPLAY LED ON/OFF sional ot CO-1. ON at H. CUELlCUE LED ON/OFF signal of CD-l. ON at H. RST-Hard reset input. Reset at L a Voo+5V power supply. 9x2Clock oscilation circuit input 2. 0X1Clock oscilation circuit input 1 vss0V power supply. 2Vss0V power supply. 3Not connected. 4LWCZChio enable

32、 sional ot CD-2s LCD driver. LCLK2Command transmitting clock lor CD-2s LCD driver oLDAT2Command data tor CD-2s LCD driver. 7LCEloChip enable signal o CD-1s LCD driver. dLCLKlUCommand transmitting clock or CD-ls LCD driver. o LDATloCommand data tor CD-1s LCD driver. oNot used. Fixed to L. 21Not Conne

33、cted. Not used. Fixed toL. z5Not used. Fixed to L. 24oNot used. Fixed to U. 25WR-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 reading 27KOUT3Kev matrix scan siqnal 3. 28KOUT2oKey matrix

34、 scan signal 2. 29KOUTloKey matrix scan signal 1 30KOUTOKey matrix scan signal 0. e l Not 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 it

35、em. fixed to L. 37A llMemory address 11. Mask item. tixed to L. 38410Memorv address 10. Mask item. lixed to f. 39A9oMemory address 9. Mask item. lixed to L. 40A8oMemory address 8. Mask item. lixed to L. 41Not connected. 22 E N.EOOOF I Terminal No. Symbol Name voTerminal Function 42AD7voData bus 7. M

36、ask item. fixed to L 43AD6t/oOata bus 6. Mask item. fixed to L 44AD5VOData bus 5. Mask item. fixed to L 45AD4voData bus 4. Mask item. fixed to L 46AD3voData bus 3. Mask item. fixed to L 47AD2Data bus 2. Mask ilem. fixed to L 48AD1Data bus 1. Mask item. fixed to L. 49ADOt/oData bus 0. Mask item. fixe

37、d to L 5UASTBPulse for address latch. Mask item. fixed to L 51Vss0V power supply. azVss0V power supply. 5JNot connected. 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 connec

38、ted 61Not used. 62Not used. Not used. 64Not used. 65Voo+5v power supply. 66Voo+5v power supply. O IPITlCD-1 pitch volume input. 68PT2CD-2 pitch volume input. INotused. Fixed to L 70Not connected. 71Not used. Fixed to L 72Not used. Fixed to L. / JNot used. Fixed to L. 74Not used. Fixed to L. Not used

39、. Fixed to L T OAVoo+5v power supply for A,/D converter.- aa AVREFl+5V. A,/D converter reference voltaqe. 78Not connected. 79AVss0V power supply for eyD converter. 80oNot used. 81Not used. 82AVREF2+5V. D/A converter reterence voltage. 83AVREF30V. D/A converter reterence voltage. uNot connected. 85KI

40、Nl OCD-1 key data 0. 86KINl1CD-1 kev data 1 87KIN12CD-1 kev data 2. 88KIN13CD-1 key data 3. 89KIN20CD-2 key data 0. 90KIN21CD-2 key data 1 91KIN22CD-2 kev data 2. 92KIN23CD-2 key data 3. 93RXD-Serial interface receotion dala. 94TXD-oSerial interface transmission data. 23 I DN-AOGIOF TABLE OF MICROCO

41、MPUTER pPD78233GJ-5BG(1C200) TERMINALS 1C200 is utilizing an external BOM in its initial lot until using the mask item. As the contents of some terminals differ according to the lot for this reason, please be reminded at a time performing service. Extemal ROM utilizing models are up to these serial

42、numbers listed below. Model Serial No. EUROPE -881,886-950 u.K. - 300 u.s.A. - 620 Model CANADA Multi-Voltage Serial No. - 130 - 100 Terminal No. Symbol Name l/o Terminal Function I 2RST2oReset siqnal of 1C201(pPD6381GF). 3BRROoBreak request signal of 1C201 (pPD6381 GF). Not used. Fixed to H. 4BRAKB

43、reak acknowledqe siqnal ol 1C201 (rrPD6381 GF). Not used. Fixed to H. 5 (F 2 SOlC20l serial data input. 7RST-Hard reset inDut. Reset at L. ttVoo+5V power supply. ,2.Clock oscillation circuit input 2. 10X1Clock oscillation circuit input 1 1 1Vss0V power supply. 1 2Vss0V power supply. 13Not connected.

44、 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 edge. 17Not used. Fixed to L 1 8LDONoLaser ON/OFF siqnal of optical pickup. Laser emits light at H.

45、 1 9Not used. Fixed to L 20oNot used. Fixed to L 21Not connected. 22o Not used. Fixed to L 23ORNO- IMechanism number input. Mechanism 1 at L, mechanism 2 at H. 24TXDENDemand signal of serial intertace using. Used at H. 25o Not used. Mask item - fixed to L. , extemal ROM - fixed to H. 26oE-oOutput en

46、able signal lor extemal ROM. Mask item - fixed to L-, extemal ROM - pulse output tor reading cs-Chip selecl signal ol 1C201. Normally H. L at select only. 28CJDCommandidata designate signal ol 1C201. Command at L, indicates data transmitting qqdgat H. 29scK-Clock for command transmission to 1C201. 3

47、0sloCommand data to 1C201. 31Not connected. 32415o Memorv address 15. Not used. Mask item - fixed to L 33A.14Memory address 14. Mask item - lixed to L 34A13o Memorv address 13. Mask item - fixed to L. 2t Not connected. A.12oMemory address 12. Mask item - fixed to L. A l loMemory address 11. Mask ite

48、m - fixed to L . 38A10Memory address 10. Mask item - fixed to L. 20 A9oMemory address 9. Mask item - lixed to f 40A8Memory address 8. Mask item - fixed to L. 41Not connected. 42AD7voData bus 7. Mask item - fixed to L. ztil AD6voData bus 6. Mask item - fixed to L. 24 ElN.eoooF r Terminal No. Symbol N

49、ame l/o Terminal Function 44AD5voData bus 5. Mask item - fixed to L. 45AD4UODala bus 4. Mask item - fixed to L. 46AD3voData bus 3. Mask item - fixed to L 47ADzt/oData bus 2. Mask item - fixed to L. 48AD1l/oData bus 1. Mask item - fixed to U. 49ADOt/oData bus 0. Mask item - lixed to L. JUASTBoPulse for address latch. Mask item - tixed to L. 51Vss0V power supply. azVss0V power supp