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Kenwood KDC-D301 Service Manual

Cd player
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Download this manual See also: Instruction Manual
CD PLAYER
KDC-D301
SERVICE MANUAL
ESCUTCHEON
(B07-2188-02)
CD PLAYER
DIGITAL OPTMUM
60
SERVO CONTROL
PLASTIC CABINET ASSY
(A02-1486-13)
CUSHION
(G11-1860-05)
PANEL ASSY
(A64-2366-02)
KDC-D301
120
250
380
500
750
1k
MOUNTING HARDWARE ASSY
(J21-9491-13)
DC CORD
(E30-4730-05)
©
2001-3 PRINTED IN JAPAN
B51-7765-00(S) 3165
FRONT GLASS
(B10-4055-02)
INTEGRATED QUAD
1BIT D/A
CONVERTER
11BAND
2k
4k
8k
16k
SPECTRUM ANALYZER
LEVER x 2
(D10-3031-04)
SCREW SET
(N99-1632-05)
: K TYPE ONLY
KNOB
(K24-1923-14)
MENU
DISP
DPAC
STAY
(J54-0606-04)
: K TYPE ONLY
SCREW SET
(N99-1656-05)
: K TYPE ONLY

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Summary of Contents for Kenwood KDC-D301

  • Page 1 CD PLAYER KDC-D301 SERVICE MANUAL © 2001-3 PRINTED IN JAPAN B51-7765-00(S) 3165 ESCUTCHEON FRONT GLASS KNOB PANEL ASSY (B07-2188-02) (B10-4055-02) (K24-1923-14) (A64-2366-02) CD PLAYER KDC-D301 INTEGRATED QUAD MENU 1BIT D/A CONVERTER DISP DPAC 11BAND DIGITAL OPTMUM SERVO CONTROL SPECTRUM ANALYZER...

  • Page 2: Table Of Contents

    KDC-D301 CONTENTS BLOCK DIAGRAM .............. 2 SCHEMATIC DIAGRAM ........... 13 COMPONENT DESCRIPTION ........... 3 EXPLODED VIEW ............19 MICROCOMPUTER’S DESCRIPTION ....... 5 PARTS LIST ..............21 PC BOARD ................. 7 SPECIFICATIONS ..........Back cover BLOCK DIAGRAM CH CORD to H.U.

  • Page 3: Component Description

    KDC-D301 COMPONENT DESCRIPTION SWITCH UNIT(X16-110X-XX) Ref.No. Component Name Application/Function Operation/Condition/Compatibility LC75823W LCD driver When Q1's base goes "Hi", Dimmer LEDs are turned 2SC4081 Dimmer SW ELECTRIC UNIT(X25-8902-71) Ref.No. Component Name Application/Function Operation/Condition/Compatibility UPD780058GC255 System MI-COM. When BU 5V voltage is less than 3.0V, IC outputs...
  • Page 4 KDC-D301 COMPONENT DESCRIPTION CD PLAYER UNIT(X32-5010-00) Ref.No. Component Name Application/Function Operation/Condition/Compatibility Generation of RF signal based on the signals from the APC circuit and pickup, and generation of servo AN22000AA RF amplifier error(focusing error and tracking error)signals. Detection of dropout, anti-shock, track crossing and off-track conditions, Gain control function building in.

  • Page 5: Microcomputer's Description

    KDC-D301 MICROCOMPUTER'S DESCRIPTION IC1 (ELECTRIC UNIT: X25-8902-71) Terminal Description Pin No. Pin Name Description Processing Operation EJECT Eject key input "Lo": Eject key pressed REF CON A/D converter reference voltage control output "Hi": Reference voltage supplying Not used(N.C.) AVSS A/D, D/A converter ground connection terminal Connected to ground lines.
  • Page 6 KDC-D301 MICROCOMPUTER'S DESCRIPTION Pin No. Pin Name I/O Description Processing Operation 51-59 NC Not used(N.C.) RESET Reset input "Lo": System reset REQH Communication request from H/U "Lo": Communication request COMM SW 5-line communication previous/new switch input "Lo": New type, "Hi": Previous type...

  • Page 7: Pc Board

    PC BOARD (Component Side View) PC BOARD (Foil Side View) CD PLAYER UNIT CD PLAYER UNIT CD PLAYER UNIT CD PLAYER UNIT X32-5010-00 (J74-1158/1159-12) X32-5010-00 (J74-1158/1159-12) (X32-5010-00) (X32-5010-00) /MUTEL /MUTEL MOTOR /MUTER /MUTER MOTOR LOAD LOAD SLED+ SLED+ LO/EJ LO/EJ A.5V A.5V EJECT/SLED-...

  • Page 8: Schematic Diagram

    PC BOARD (Component Side View) ELECTRIC UNIT SWITCH UNIT ELECTRIC UNIT SWITCH UNIT X25-8902-72 (J74-1200-22) X16-110X-XX (J74-1260-12) (X25-8902-71) (X16-110X-XX) CP10 R113 R111R110 R108 R114 R109 R129 R126 R123 R121 R120 R122 R127 R101 R103 R102 R104 R130 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 9 PC BOARD (Foil Side View) SWITCH UNIT ELECTRIC UNIT SWITCH UNIT ELECTRIC UNIT X16-110X-XX (J74-1260-12) X25-8902-72 (J74-1200-22) (X16-110X-XX) (X25-8902-71) CP10 R110 R111 R113 R108 R114 R109 R129 R126 R123 R122 R120 R121 R127 R101 R103 R102 R104 R130 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 10 DOUT 5.0V PAN5V ILL-GND (X25-890X-XX) R3 1K G-ILLUMI EJECT PANEL MODEL NAME UNIT No. NC/LANP +B EJECT ILL RD-380(J) 0-00 PANEL KDC-D301(K,E) PAN5V 2-71 5.0V 5.0V D-GND DIMMER L-DATA 5.0V 5.0V LED +B L-RES/L-INH BU5V BU5V L-CLK : UPD780058GC255 : HZS6A3L...
  • Page 11 B LINE DIMMER (X16-110X-XX) DIMEER MODEL NAME UNIT No. RD-380(J) 0-00 KDC-D301(K) FLIP SW 0-00 KDC-D301(E) 2-71 PANEL 5V CAUTION:For continued safety, replace safety critical components only with manufacturer’s recommended parts (refer to, parts list). Indicates safety critical components. To reduce the risk...
  • Page 12 GND LINE B LINE CAUTION:For continued safety, replace safety critical components only with manufacturer’s KDC-D301 recommended parts (refer to, parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts DC voltages are as measured with a high impedance voltmeter.

  • Page 13: Exploded View

    KDC-D301 EXPLODED VIEW (CD MECHANISM) M1.7x2.5 N09-4249-05 2x3.5 N09-4172-05 M1.7x4 N09-4202-05 M2x2 N38-2020-46 N09-4294-05 WASHER 1.2 N19-2023-04 WASHER 1.6 N19-2058-04 WASHER 1.6 N19-2093-04 M2x2 N39-2020-46 DPU1 (X32-5010-00) Parts with exploded numbers larger than 700 are not suppied.
  • Page 14 KDC-D301 EXPLODED VIEW (UNIT) φ3x5 : N83-3005-46 M2.6x6(BLK) : N84-2606-45 M2x3 : N30-2003-46 M2.6x6 : N84-2606-46 E-RING : N24-3020-46 WASHER : N19-2106-04 φ2x5 : N80-2005-46 φ2x8(BLK) : N80-2008-45 DME1 (X89-2280-03) (X16-110X-XX) (X25-) (X16-) (X16-) LCD1 (X16-) (X16-) (X25-8902-71) (X16-) (X16-)

  • Page 15: Parts List

    KDC-D301 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No. Description inati Ref.No.
  • Page 16 KDC-D301 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-8902-71) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.
  • Page 17 KDC-D301 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. ELECTRIC UNIT (X25-8902-71) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.
  • Page 18 KDC-D301 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. CD PLAYER UNIT (X32-5010-00) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.
  • Page 19 KDC-D301 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. MECHANISM ASSY (X92-4130-00) Teile ohane Parts No. werden nicht geliefert. Dest Dest Ref.No. Parts No.

  • Page 20: Specifications

    S/N Ratio ..............94dB 2.9lbs Dynamic range ............. 94dB Channel separation ............85dB KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501, Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.