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Kenwood DPX301 Service Manual
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Kenwood DPX301 Service Manual

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Table of Contents

See also: Instruction Manual
CD RECEIVER
DPX301
DPX-MP2090/MP2090S
SERVICE MANUAL
DPX301
(K type)
DPX-MP2090
DPX-MP2090S
(M type)
DPX-MP2090/MP2090S
Remote controller assy
(A70-2069-15)
SIZE AA BATTERY
(Not supplied)
RC-517
Escutcheon
(B07-3172-12)
DPX301
EXTERNAL MEDIA CONTROL
AUTO
AME
MENU
SCAN
RDM
VOL
AUD
SET UP
ATT
s
EXTERNAL MEDIA CONTROL
AUTO
AME
MENU
SCAN
RDM
VOL
AUD
SET UP
ATT
DC cord
DPX-MP2090/MP2090S: (E30-6408-05)
DPX301: (E30-6428-05)
Escutcheon
(B07-3165-02)
© 2005-12 PRINTED IN JAPAN
B53-0370-00 ( N ) 724
FM
SCRL
AM
SW
OFF
C.S.
REP
F.SEL
M.RDM
System
EX
FM
SCRL
AM
SW
OFF
REP
F.SEL
M.RDM
Screw set
(N99-1779-05)
Mounting hardware assy
(J22-0429-03)
Panel assy
(A64-3785-12)
Panel assy
(A64-3811-12) : DPX-MP2090
(A64-3812-12) : DPX-MP2090S
Escutcheon assy
(B07-3046-04)
Lever
Adhesive double-
coated tape
(D10-4589-04) x2
(H30-0595-04)
This product uses Lead Free solder.

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Summary of Contents for Kenwood DPX301

  • Page 1 M.RDM (A64-3811-12) : DPX-MP2090 SET UP (A64-3812-12) : DPX-MP2090S DPX-MP2090/MP2090S Escutcheon assy Remote controller assy DC cord (B07-3046-04) DPX-MP2090/MP2090S: (E30-6408-05) (A70-2069-15) DPX301: (E30-6428-05) Screw set SIZE AA BATTERY (Not supplied) (N99-1779-05) RC-517 Escutcheon Escutcheon Mounting hardware assy Lever Adhesive double-...

  • Page 2: Block Diagram

    DPX301 DPX-MP2090/MP2090S BLOCK DIAGRAM ELECTRIC UNIT (X34- ) PHONE PHONE OPEL DISP Q108 MARINE DISP DIMMER DIMMER POWER SP-OUT ONLY CN SERVO+B Q112 FRONT L/R ACC DET ACC-DET REAR L/R FRONT-END TUN8V NF L/R PRE+B Q109 PREF AM+B SURGE- E-VOL...

  • Page 3: Components Description

    DPX301 DPX-MP2090/MP2090S COMPONENTS DESCRIPTION SWITCH UNIT (X16-3530-xx) Ref. No. Application / Function Operation / Condition / Compatibility Remote Control IC Q1~3 GRID_DRIVER Each Transister’s base is “L” then GRID is On Q6,7 SW5V The power supply of IC1 is turned on when Q6’s base level goes “L”...

  • Page 4: Cd Player Unit (X32-5860-00)

    DPX301 DPX-MP2090/MP2090S COMPONENTS DESCRIPTION CD PLAYER UNIT (X32-5860-00) Ref. No. Application / Function Operation / Condition / Compatibility A3.3V regulator Power supply for audio 3.3V Ope amp for low-pass filter 4ch BTL driver Driving spindle motor and loading/ejection operation Mechanism µ-com BU 3.3V regulator...

  • Page 5: Microcomputer's Terminal Description

    DPX301 DPX-MP2090/MP2090S MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER: 30624MGPA76GP (X34: IC1) Truth Pin No. Pin Name Module Application Processing Operation Description value table REMO EXTRA Remote control signal input Detect pulse width LX_MUTE LX_M MUTE request from slave unit H: Mute ON, L: Mute OFF...
  • Page 6 DPX301 DPX-MP2090/MP2090S MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description value table VFD_DATA to PANEL I/O VFD data input/output terminal Data input/output VFD_INT to PANEL VFDINT input terminal INT input terminal Normal: 125kHz VFD_CLK to PANEL O VFD clock output terminal Low consumption mode: 62.5kHz...
  • Page 7 DPX301 DPX-MP2090/MP2090S MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description value table CD_DISC8_SW CD disc detection terminal (8cm) (J only) Not used (except J) Output L fixed CD_LOE_LIM_SW CD CD detection terminal (chucking SW) H: Loading completed, L: No disc...
  • Page 8 DPX301 DPX-MP2090/MP2090S MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing Operation Description value table L: When in STANDBY source, at momentary PWIC_MUTE PWIC Power IC MUTE terminal power down, L: While TEL MUTE PWIC_STBY PWIC Power IC standby control...
  • Page 9 AFS HIGH Hi-Z Not used Normal reception Brake Hi-z e TUNER TYPE TUN_TYPE1 (66PIN) TUN_TYPE2 (67PIN) Kenwood brand model OEM model 1 OEM model 2 OEM model 3 r 06 FLIP/2DIN, no USB model (MID) TYPE3 TYPE2 TYPE1 Destination X34-414 (2DIN)
  • Page 10 DPX301 DPX-MP2090/MP2090S MICROCOMPUTER’S TERMINAL DESCRIPTION CD MECHANISM MICROCOMPUTER: 703030BYGCJ21A (X32: IC4) Processing Operation Pin No. Pin Name Application Remarks Description Not used Low-fixed E2P SCL Rom correction E2P I2C clock Not used Low-fixed 5V electric potential GND electric potential Not used...
  • Page 11 DPX301 DPX-MP2090/MP2090S MICROCOMPUTER’S TERMINAL DESCRIPTION Processing Operation Pin No. Pin Name Application Remarks Description 41,42 Not used Low-fixed 3.3V driven Multiplex RD signal 3.3V driven ASTB Multiplex ASTB signal 3.3V driven Not used Low-fixed 3.3V driven Not used Low-fixed 3.3V driven...

  • Page 12: Test Mode

    DPX301 DPX-MP2090/MP2090S TEST MODE • Pressing the [ ] key goes back by 1 track from the track How to enter the test mode being played. Press and hold the [1] and [3] keys and reset. • When playing an MP3/WMA/AAC disc, display the file for- (While ”–...
  • Page 13 DPX301 DPX-MP2090/MP2090S TEST MODE • Sub Woofer Phase is adjusted by the VOL knob and [ Key pressed briefly: CD operation time is displayed. ] keys in 2 steps: Reverse ↔ Normal.(Default value: While CD operation time is displayed, press and hold for Normal) 2 seconds to clear the CD operation time.
  • Page 14 DPX301 DPX-MP2090/MP2090S TEST MODE Initializing AUDIO-related setting value CD loading error log display (switched by [ ] / [ ] keys) Press the [ ] key in the STANDBY source and reset the (Display) LDERR1: xx ↔ LDERR2: xx ↔ LDERR1: xx ↔...

  • Page 15: Dc Offset Error

    DPX301 DPX-MP2090/MP2090S TEST MODE Clearing DC error detection data Security (E2PROM (F/E) data clearing) • Forced Power-ON mode (all models) Even when security is permitted, by pressing and holding 1. Press and hold [3] and [6] keys and reset-start to go into [Q] and [4] keys and pressing RESET simultaneously, power the DC offset error display mode.

  • Page 16: Cd Load Error Detection

    DPX301 DPX-MP2090/MP2090S DC OFFSET ERROR 3. Key specification Cancel Condition • No specific limitation (Normal operation). • Press the Reset terminal on the main body. or set Backup 4. Display specification to OFF (Unplug and plug back in the DC connector).

  • Page 17: Cd Eject Error Detection

    DPX301 DPX-MP2090/MP2090S CD EJECT ERROR DETECTION Overview Operation Record the number of times when mechanism error (SW er- EJECT ror) occurred at CD EJECT. EJECT error recording shall be done in 4 patterns, by the SW (LOS SW) status illustrated below (3 patterns in models other than TYPE-...

  • Page 18: Pc Board (Component Side View)

    DPX301 DPX-MP2090/MP2090S PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-4140-xx (J76-0173-12) W120 W122 W121 W119 11 12 8 4 3 9 10 6 W125 W123 R519 W124 C529 C513 C501 R112 C512 C104 L301 D107 C530 R405 R404 Q402 R409...
  • Page 19 DPX301 DPX-MP2090/MP2090S X34-4140-xx Ref. No. Address D101 W101 R133 Q102 R111 R112 R126 C104 IC12 D109 R118 D107 R115 D108 Q104 R117 Q109 D105 R128 C103 R125 Q106 R122 C105 Q112 D111 Q107 W103 Q102 Q104 Q105 Q106 L202 Q107...
  • Page 20 DPX301 DPX-MP2090/MP2090S PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-4140-xx (J76-0173-12) R104 R106 R261 R432 R520 REMO R521 DATA R522 C209 R523 R250 R249 R244 R210 C207 R215 R234 R316 R317 R318 R319 C301...
  • Page 21 DPX301 DPX-MP2090/MP2090S X34-4140-xx Ref. No. Address Q101 Q103 Q115 D301 Q116 Q300 Q301 R321 R326 R432 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 22 DPX301 DPX-MP2090/MP2090S PC BOARD (COMPONENT SIDE VIEW) SWITCH UNIT X16-3530-xx (J76-0176-12) X16-3530-xx Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 23 DPX301 DPX-MP2090/MP2090S PC BOARD (FOIL SIDE VIEW) SWITCH UNIT X16-3530-xx (J76-0176-12) SW VFL PAN5V FL+B X16-3530-xx Ref. No. Address VFD INH VFD PAN VFD CE VFD CL VFD SYS DT REMO ENC CCW ILL+B Refer to the schematic diagram for the values of...
  • Page 24 DPX301 DPX-MP2090/MP2090S PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5860-00 (J76-0212-02) CP27 IC11 R150 X32-5860-00 Ref. No. Address IC11 Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 25 DPX301 DPX-MP2090/MP2090S PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5860-00 (J76-0212-02) 12EJE-SW CP28 A3.3V REFOUTSV SHOCK LOS-SW LOCK DOUT ADIN HOLD F- F+ DOUT DGND R152 C100 R104 CP11 CP10 S7.5V BU5V SGND TYPE LOE/LIM PON2 PON1 SPD+ DMUTE BU3.3V...
  • Page 26 DPX301 DPX-MP2090/MP2090S ∗ (X34-4140-xx) R423 C427 0.47 AU-L R422 C428 MUTE DRIVER 47u6.3 R519 AU-G R424 C426 Q116 Q115 0.47 C513 AU-R 0.01 D406 R403 C417 R421 180 10u35 D511 PRN-FL D513 SUB WO 4.7K REAR R420 180 D514 Q401...
  • Page 27 DPX301 DPX-MP2090/MP2090S Q108 R519 R505 4.3K SMALL DET SW C513 0.01 R117 ∗ Q107 C501 D502 D519 2.2K Q111 Q109 D518 POWER D511 R123 SURGE D520 D515 Q103 D104 Q104 6.8V Q105 6.8V 6.8V BU5V,BU,8V R109 Q103,106 P-CON Q106 Q104,105...
  • Page 28 DPX301 DPX-MP2090/MP2090S to DC CORD BU5V FUSE 10A Q112 R127 D111 2SB1565 (X34-4140-xx) R101, ACC DET UNIT MODEL NAME CP209 R244 242,243 DPX301 0-10 BU5V R117 DPX-MP2090/S 0-21 D108 3300u16 SIGNAL LINE Q109 D109 GND LINE B LINE DTA123JK B LINE...
  • Page 29 DPX301 DPX-MP2090/MP2090S (3G-1G) (1G) (1G) (X16-3530-xx) col3 col1 col2 GRID1 CP6 47K GRID2 KEY SCAN START SW GRID3 TP16 ILL DET PAN5V RTRY FL+B ILL+B TP22 ∗ ∗ ∗ ∗ X34- RESET ∗ ∗ ∗ ∗ TP19 ∗ ∗ VFD INH ∗...
  • Page 30 DPX301 DPX-MP2090/MP2090S DTA114EUA DTA124EUA ANODE CONNECTION DTC124EUA DTC144EUA NAME             DAP202U  DA204U  M5237ML-CF0J 1.2V 2.6V NJM4580V-ZB  col1 col2   col3   TP18  ...
  • Page 31 DPX301 DPX-MP2090/MP2090S (X32-586x-xx) IC1 : TAR5S33-F IC7 : UPD63763CGJ : DAP202U IC2 : NJM4580V-ZB IC9 : BR24L02FV-W UNIT DESTINATION IC3 : BA5824FP IC11 : TC7SET32FU-F 2SA1576A 0-00 IC4 : 703030BYGCJ21A : 2SB0970 K/M/E 0-02 IC5 : XC6219B332MR Q5,7 : DTA143XUA...
  • Page 32 DPX301 DPX-MP2090/MP2090S LOADING & SLED SPINDLE MOTOR MOTOR (X92- ) (X92- ) ATION SIGNAL LINE GND LINE B LINE 4ch BTL 2.4-4.2V 2.6-4.2V DRIVER 2.4-4.2V 2.6-4.2V TP26 TP31 S7.5V SLD+ SPD+ 1.2-5.5V 1.0-5.0V SLD+ SPD+ TP28 TP33 SLD- SPD- 1.2-5.5V 1.0-5.0V...
  • Page 33 DPX301 DPX-MP2090/MP2090S EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) : N09-4460-15 : N09-6317-05 : N09-6004-15 : N09-6007-15 : N09-6051-15 : N19-2163-04 : N39-2020-46 : N09-6108-15 : N09-6155-15 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 34: Exploded View (Unit)

    DPX301 DPX-MP2090/MP2090S EXPLODED VIEW (UNIT) Size AA battery (Not supplied) DME1 φ3x5 N83-3005-48 φ3x8 N83-3008-48 φ3x20 N83-3020-48 φ3x10 N80-3010-48 φ2.6x8 (X34) N82-2608-48 (X34) X34-414 Depends on the models. Refer to the parts list. Parts with the exploded numbers larger than 700 are not supplied.

  • Page 35: Exploded View (Panel)

    DPX301 DPX-MP2090/MP2090S EXPLODED VIEW (PANEL) φ2.6x6 N78-2660-48 φ2x6 N80-2006-48 φ2x8 N80-2008-48 (X16) (X16) X16-353 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 36: Parts List

    SCREW SET N78-2660-48 PAN HEAD TAPTITE SCREW RK73EB2E821J CHIP R J 1/4W N80-2006-48 PAN HEAD TAPTITE SCREW R92-1252-05 CHIP R 0 OHM J 1/16W K1 : DPX301 (North America) Indicates safety critical components. M5 : DPX-MP2090 M6 : DPX-MP2090S (Other Areas)
  • Page 37 CHIP C 2.2UF RK73GB2A133J CHIP R J 1/10W R40-44 RK73GB2A103J CHIP R J 1/10W CK73GB1H152K CHIP C 1500PF RK73GB2A472J CHIP R 4.7K J 1/10W K1 : DPX301 (North America) Indicates safety critical components. M5 : DPX-MP2090 M6 : DPX-MP2090S (Other Areas)
  • Page 38 CD04AS0J101M ELECTRO 100UF 6.3WV C512 CD04AS0J470M ELECTRO 47UF 6.3WV C513 CK73GB1H103K CHIP C 0.010UF K CK73FB1C105K CHIP C 1.0UF C529,530 C90-6711-05 ELECTRO 50WV K1 : DPX301 (North America) Indicates safety critical components. M5 : DPX-MP2090 M6 : DPX-MP2090S (Other Areas)

  • Page 39: Electric Unit (X34-4140-Xx)

    CHIP R 4.7K J 1/10W R316 RK73GB2A104J CHIP R 100K J 1/10W R110 R92-5024-05 CHIP R J 1/2W R317 RK73GB2A471J CHIP R J 1/10W K1 : DPX301 (North America) Indicates safety critical components. M5 : DPX-MP2090 M6 : DPX-MP2090S (Other Areas)
  • Page 40 D107 02DZ4.7F-Y ZENER DIODE Q305 2SA1577 TRANSISTOR D108,109 02DZ6.8F-Y ZENER DIODE Q306 DTC144EUA DIGITAL TRANSISTOR Q400-403 DTC143TUA DIGITAL TRANSISTOR D111 02DZ6.2F-Y ZENER DIODE K1 : DPX301 (North America) Indicates safety critical components. M5 : DPX-MP2090 M6 : DPX-MP2090S (Other Areas)
  • Page 41 TAPTITE SCREW (M1.6X6) N09-6004-15 MACHINE SCREW (M1.7X2.5) N09-6007-15 MACHINE SCREW (M2X2) N09-6051-15 TAPTITE SCREW (P 2X5) N19-2163-04 FLAT WASHER (1.6X6X0.25) N39-2020-46 PAN HEAD MACHINE SCREW K1 : DPX301 (North America) Indicates safety critical components. M5 : DPX-MP2090 M6 : DPX-MP2090S (Other Areas)
  • Page 42 Total Harmonic Distortion (1kHz) ......0.008% Signal to Noise Ratio (1kHz) ........105dB Dynamic Range ............. 93dB KENWOOD follows a policy of continuous advancements MP3 Decode ..Compliant with MPEG-1/2 Audio Layer-3 in development. For this reason specifications may be WMA Decode .....

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