Denon DCM-390 Service Manual
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Denon DCM-390 Service Manual

Stereo cd player
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MODEL
MODEL
MODEL
MODEL
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to the
operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
SERVICE MANUAL
DCM-390
DCM-290
DCM-27
DCM-500AE
STEREO CD PLAYER
TOKYO, JAPAN
Denon Brand Company, D&M Holdings Inc.
For U.S.A., Canada
& Europe model
Ver. 3
Please refer to the
MODIFICATION NOTICE.
X0283 V.03 DE/CDM 0706

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  • Page 1 Please use this service manual with referring to the operating instructions without fail. Some illustrations using in this service manual are slightly different from the actual set. TOKYO, JAPAN Denon Brand Company, D&M Holdings Inc. X0283 V.03 DE/CDM 0706...

  • Page 2: Laser Radiation

    DCM-390/290/27/500AE SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.

  • Page 3: Block Diagram

    DCM-390/290/27/500AE BLOCK DIAGRAM...

  • Page 4: Top Cover

    DCM-390/290/27/500AE DISASSEMBLY (To reassemble, reverse disassembly) 1. TOP COVER Remove 4 screws A fixing the Top Cover and 5 screws A mounting the Rear Panel, then detach the Top Cover as shown in the arrow direction. 2. BACK PANEL Remove 3 screws B mounting the...

  • Page 5: Front Panel

    DCM-390/290/27/500AE 3. FRONT PANEL Remove 2 side screws D and 5 below screws B mounting the Front Panel, t hen detach the Front Panel as shown in the arrow direction. Note: Do not yet exclude FFC ( mark) 4. CONTROL P.W.B. & Phone P.W.B.
  • Page 6 DCM-390/290/27/500AE 6. LASER SHORT Reverse a Loader ass'y & Main P.W.B. unit and a Laser short-circuit in Pick-up next. LESER SHORT 7. MAIN P.W.B. Remove 2 screws I , 4 screws J , 1 screw K fixing the Main P.W.B. then detsch the Main P.W.B.
  • Page 7 DCM-390/290/27/500AE SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. IC’s CXD3059 (IC 101)
  • Page 8 DCM-390/290/27/500AE Block Diagram...
  • Page 9 DCM-390/290/27/500AE Pin Description...
  • Page 10 DCM-390/290/27/500AE...
  • Page 11 DCM-390/290/27/500AE...
  • Page 12 DCM-390/290/27/500AE...
  • Page 13 DCM-390/290/27/500AE K4S641632E (IC 202)
  • Page 14 DCM-390/290/27/500AE K4S641632E Block Diagram UPD1631 (IC 401)
  • Page 15 DCM-390/290/27/500AE UPD16311 Block Diagram UPD16311 Pin Description...
  • Page 16 DCM-390/290/27/500AE SCF5249 (IC 201) CD ROM Block Serial Audio ColdFire V2 Interface Decoder byte 3 x I S Rx Encoder I Addr Gen I-Cache 2 x I S Tx I Fetch CD Text Interface Instr Buf SPDIF/EBU Transmitter Byte Dec&Sel Op...
  • Page 17 DCM-390/290/27/500AE BA6392FP (IC 102) Pin Description...

  • Page 18: Block Diagram

    DCM-390/290/27/500AE SP233ACP (IC 104) Block Diagram LA6531 (IC 106) Pin Description CXA1511L/M (IC 105) Head Limiter Detector & Hysteresis Comparator Integrator Comparator ABLC Photo Diode C2 GND fo N.C. 470, 680 0.01µ 0.01µ 200k (fo = 40kHz)
  • Page 19 DCM-390/290/27/500AE PCM1732 (IC 107) PCM1732 BCKIN HDCD Serial Amplitude LRCIN Input HDCD Decoding Hidden Code Recovery Low-Pass Filter EXTL HDCD Enhanced Multi-Level ∆Σ Oversampling ML/I Digital Filter Modulator MC/DEM Low-Pass Filter MD/FSS EXTR Mode CS/IWO ZERO Control BPZ Control MODE...

  • Page 20: Printed Wiring Board

    DCM-390/290/27/500AE PRINTED WIRING BOARD SERVO P.W.B. UNIT (for DCM-390) COMPONENT SIDE FOIL SIDE...
  • Page 21 DCM-390/290/27/500AE SERVO P.W.B. UNIT (for DCM-290/27/500AE) COMPONENT SIDE FOIL SIDE...
  • Page 22 DCM-390/290/27/500AE CONTROL P.W.B. UNIT BUFFER P.W.B. UNIT COMPONENT SIDE FOIL SIDE PHONE P.W.B. UNIT AC SOCKET P.W.B. UNIT COMPONENT SIDE COMPONENT SIDE FOIL SIDE COMPONENT SIDE FOIL SIDE...

  • Page 23: Note For Parts List

    DCM-390/290/27/500AE NOTE FOR PARTS LIST • Part indicated with the mark "nsp" are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. • When ordering of part, clearly indicate "1" and "I" (i) to avoid mis- supplying.

  • Page 24: Parts List Of P.w.b. Unit

    DCM-390/290/27/500AE PARTS LIST OF P.W.B. UNIT The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused.
  • Page 25 DCM-390/290/27/500AE Ref. No. nsp Part No. Part Name Remarks Q'ty New CARBON FILM RESISTOR (4.7K OHM,1/6W) 412-3113-055 R101 CHIP RESISTOR (22 OHM,1/10W) 412-CDVD2001-554 R102 CHIP RESISTOR (15K OHM,1/10W) 412-007USB-687 R103 CHIP RESISTOR (470K OHM,1/10W) 412-007USB-707 R104 CHIP RESISTOR (10K OHM,1/10W)
  • Page 26 DCM-390/290/27/500AE Ref. No. nsp Part No. Part Name Remarks Q'ty New R192 CARBON FILM RESISTOR (4.7K OHM,1/6W) 412-3113-055 R195 CHIP RESISTOR (1M OHM,1/10W) 412-CDVD2001-546 R303 CHIP RESISTOR (18K OHM,1/10W) 412-007USB-703 R304 CARBON FILM RESISTOR (18K OHM,1/6W) 412-3113-061 R305,306 CHIP RESISTOR (15K OHM,1/10W)
  • Page 27 DCM-390/290/27/500AE Ref. No. nsp Part No. Part Name Remarks Q'ty New C139 ELEC.CAPACITOR (22uF/16V) 413-SPPW3-236 C140,141 CHIP CAPACITOR (220pF/50V) 413-007USB-787 C143 CERAMIC CAPACITOR (0.1uF/50V) 413-3113-035 C144 POLYESTER CAPACITOR (0.022uF/50V) 413-KT300-101 C145 ELEC.CAPACITOR (100uF/10V) 413-HMA2200-5017 C146 ELEC.CAPACITOR (220uF/10V) 413-HT801K-192 C147 CHIP CAPACITOR (0.1uF/50V)
  • Page 28 DCM-390/290/27/500AE Ref. No. nsp Part No. Part Name Remarks Q'ty New C307,308 CHIP CAPACITOR (1500pF/50V) 413-DCM280-769 C312 CHIP CAPACITOR (0.1uF/50V) 413-DCM280-773 C315 CHIP CAPACITOR (39pF/50V) 413-390-987 C316 CHIP CAPACITOR (0.1uF/50V) 413-DCM280-773 C317 ELEC.CAPACITOR (100uF/10V) 413-HMA2200-5017 OTHER PARTS GROUP CN03 00D 941 0047 104 5P SOCKET...
  • Page 29 DCM-390/290/27/500AE CONTROL P.W.B. UNIT ASS'Y Ref. No. nsp Part No. Part Name Remarks Q'ty New SEMICONDUCTORS GROUP IC401 00D 941 0048 501 IC(VFD DRIVER IC UPD1631GC-AB6) 417-HV3500K-250A D401-403 00D 941 0048 608 SWITCHING DIODE (1SS355) 414-CD1000-075 RESISTORS GROUP R401 CHIP RESISTOR (56K OHM,1/10W)
  • Page 30 DCM-390/290/27/500AE BUFFER P.W.B. UNIT ASS'Y Ref. No. nsp Part No. Part Name Remarks Q'ty New SEMICONDUCTORS GROUP IC201 00D 941 0048 909 IC(SCF5249LPV120/SCF5249LAG120) 417-MCDS4-736 IC(K4S641632E-TC/K4S641632F/ IC202 00D 941 0049 005 417-CDN88-501 K4S641632H-TC75) IC203 00D 941 0049 102 BUFFER IC ASS'Y (M29W800DB70N6Y) for 390BKE3/290BKE3/27BKE3 704-390-6144...
  • Page 31 DCM-390/290/27/500AE PHONE P.W.B. UNIT ASS'Y Ref. No. nsp Part No. Part Name Remarks Q'ty New CAPACITORS GROUP C309 CHIP CAPACITOR (0.1ÉþF/50V) 413-DCM280-773 C313,314 CHIP CAPACITOR (470pF/50V) 413-007USB-786 OTHER PARTS GROUP W301 00D 941 0049 704 3P 2.5 CONNECTOR WIRE (L=400)

  • Page 32: Exploded View

    DCM-390/290/27/500AE EXPLODED VIEW WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.

  • Page 33: Parts List Of Exploded View

    DCM-390/290/27/500AE PARTS LIST OF EXPLODED VIEW The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused.
  • Page 34 DCM-390/290/27/500AE Ref. No. nsp Part No. Part Name Remarks Q'ty New 00D 941 0050 308 TRAY ASS'Y 701-DCM280-3311 12-1 CORRECTING LEVER ASS'Y 701-KMD550-1593 12-2 WHEEL 100-KMD280-729 12-4 MIDDLE GEAR 100-KMD280-733 12-5 TRANSFER GEAR 100-KMD280-736A 12-6 BASE 100-KMD550-1214C 12-8 DRIVE GEAR...

  • Page 35: Motor Pulley

    DCM-390/290/27/500AE Ref. No. nsp Part No. Part Name Remarks Q'ty New SCREW (M3X9mm PTP) 602-SL24F-097 602-SL24F-099 SCREW (SAE1018,PTP, 2.6X8) SCREW (M2.6X4 P0.45) 602-MK7-134 SCREW (PTP M3X14) 602-KMD550-250 SCREW (W BTP 2.6X6 MC) 602-KMD550-255 00D 941 0043 205 CD DOOR for 390BKE3/290BKE3/...

  • Page 36: Exploded View Of Cd Mechanism Unit (Cd Trav/Unit Ksm-213Ccm)

    DCM-390/290/27/500AE EXPLODED VIEW OF CD MECHANISM UNIT (CD TRAV/UNIT KSM-213CCM) PARTS LIST OF CD MECHANISM UNIT The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused.

  • Page 37: Points Of Greasing

    DCM-390/290/27/500AE POINTS OF GREASING Grease Maker Note CR-S Daizo Corporation (Nichimoly) Synthetic oil based resin-use lithium grease Shin-Etsu Chemical Co., Ltd. Adhesive application (torque,damper) grease G-330...

  • Page 38: Packing View

    DCM-390/290/27/500AE PACKING VIEW PARTS LIST OF PACKING & ACCESSORIES The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused.

  • Page 39: Note For Schematic Diagram

    DCM-390/290/27/500AE NOTE FOR SCHEMATIC DIAGRAM WARNING: Parts marked with this symbol ! have critical characteristics. Use ONLY replacement parts recommended by the manufactur- CAUTION: Before returning the unit to the customer, make sure you make µ either (1) a leakage current check or (2) a line to chassis resis- tance check.

  • Page 40: Schematic Diagrams (1/3)

    DCM-390/290/27/500AE SCHEMATIC DIAGRAMS (1/3) SCHEMATIC DIAGRAMS (1/3) SERVO UNIT PHONE UNIT BUFFER UNIT AC SOCKET UNIT (for DCM-390 model)
  • Page 41 DCM-390/290/27/500AE SCHEMATIC DIAGRAMS (2/3) SCHEMATIC DIAGRAMS (2/3) SERVO UNIT PHONE UNIT BUFFER UNIT AC SOCKET UNIT (for DCM-290/27/500AE model)

  • Page 42: Schematic Diagrams

    DCM-390/290/27/500AE SCHEMATIC DIAGRAMS (3/3) SCHEMATIC DIAGRAMS (3/3) CONTROL UNIT...

  • Page 43: Documents For Weee

    DCM-390/290/27/500AE DOCUMENTS FOR WEEE Details of Recycle parts for Main Unit You have to remove the parts that marked “WEEE Mark ” when the recycling processing. (Europe model only) Ref. No. Part Name Material Q'ty SCREW ASS'Y COMPLEX DATE LABEL POLYESTER SERIAL NO.
  • Page 44 DCM-390/290/27/500AE Ref. No. Part Name Material Q'ty 14-4 LEAF SW (LSA-1119F,2PIN) COMPLEX 15-1 DISK 15-2 FIXED SHEET SWITCH CONTROL BOTTOM BASE DISK HOLDER L.FIXED PLATE SPCC R.FIXED PLATE SPCC STAY R SPCC STAY L SPCC SWIVEL PLATE SPCC MAIN P.W.B. BRACKET...
  • Page 45 DCM-390/290/27/500AE Exploded view of Main unit You have to remove the parts that marked "WEEE mark " when the recycling processing. (Europe model only)
  • Page 46 DCM-390/290/27/500AE Details of Recycle parts for Power transformer Part No.48 Material Silicon Steel Acetate Cloth Tape Enamelled Copper Wire Press Board Press Board Copper Wire Copper Wire Press Board Press Board Press Board Steel Steel Complex...

This manual is also suitable for:

Model dcm-500aeModel dcm-27Model dcm-290

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