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Kenwood DPX501 Service Manual

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2DIN CD RECEIVER
DPX501/501U/501UY
DPX-MP2090U
SERVICE MANUAL
DPX501 (K type)
EXTERNAL MEDIA CONTROL
AUTO
AME
MENU
S.MODE
SCAN
RDM
A.RDM
VOL
AUD
SET UP
ATT
DPX-MP2090U (M type)
EXTERNAL MEDIA CONTROL
AUTO
AME
MENU
VOL
S.MODE
SCAN
RDM
A.RDM
AUD
SET UP
ATT
DC cord
(E30-6408-05):(M type)
(E30-6414-05):(K type)
Escutcheon (K,E type)
Escutcheon (M type)
(B07-3172-12)
(B07-3046-04)
Panel assy (A64-3814-02)
DPX501
FM
SCRL
AM
SW
OFF
PTY/C.S.
REP
F.SEL
M.RDM
USB
Panel assy (A64-3966-02)
DPX-MP2090U
System
EX
FM
SCRL
AM
SW
OFF
REP
F.SEL
M.RDM
USB
DC cord (E type)
Cord with connector(USB)
(E30-6412-05)
(E30-6535-05)
Escutcheon (K,E type)
(B07-3165-02)
DPX501U/501UY (E type)
TI
AME
S.MODE
SCAN
VOL
AUD
SET UP
ATT
Lever (K,E type)
(D10-4589-04) x2
Screw set (K,M type)
(N99-1779-05)
Remote controller
assy (K,M type)
(A70-2067-15)
1.5m
Mounting hardware
assy (K,E type)
(J22-0429-13)
© 2006-4 PRINTED IN JAPAN
B53-0400-00 ( N ) 960
Panel assy (A64-3871-02)
EXTERNAL MEDIA CONTROL
MENU
OFF
RDM
A.RDM
REP
F.SEL
M.RDM
Antenna adaptor (E type)
(T90-0523-05)
Adhesive double-
coated tape (K,E type)
(H30-0595-04)
SIZE AA
BATTERY(K,M type)
(Not supplied)
RC-527
Compact disc
(W01-1673-05):(K,M type)
(W01-1674-05):(E type)
This product uses Lead Free solder.
DPX501U
System
EX
FM
SCRL
AM
SW
/PTY
USB

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  Summary of Contents for Kenwood DPX501

  • Page 1 2DIN CD RECEIVER DPX501/501U/501UY DPX-MP2090U SERVICE MANUAL © 2006-4 PRINTED IN JAPAN B53-0400-00 ( N ) 960 Panel assy (A64-3814-02) Panel assy (A64-3871-02) DPX501 (K type) DPX501U/501UY (E type) DPX501 DPX501U System SCRL SCRL EXTERNAL MEDIA CONTROL EXTERNAL MEDIA CONTROL...
  • Page 2: Block Diagram

    DPX501/501U/501UY DPX-MP2090U BLOCK DIAGRAM Complete view ELECTRIC UNIT (X34- ) C104,D107,R112 PON USB/C DET PHONE PHONE DME1 CN2,3 Q108 OPEL DISP USB5 MARINE RC DIMMER DIMMER AUX IN CD MECHA OEM RC SP-OUT SERVO+B Q112 ACC DET ACC-DET PW-IC FRONT L/R...
  • Page 3 DPX501/501U/501UY DPX-MP2090U BLOCK DIAGRAM AC Drive + USB Mechanism unit DXM-6810W/DXM-6820W CD_Mechanism 30Pin FFC BU14V IC19 BU5.0V BU3.3V BU5.0V P-ON SYS- Mecha- /MSTOP P-ON SW-Reg. uCOM uCOM IC20,21 D5.0V CS3.3V (CS1.8V) ( VBUS 5V ) PowerON SW High-side /CS RST...
  • Page 4: Components Description

    DPX501/501U/501UY DPX-MP2090U COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-415x-xx) Ref. No. Application / Function Operation / Condition / Compatibility System µ-COM Controls FM/AM tuner, the changer, CD mechanism, panel, volume and tone. E-VOL Controls the source, volume, tone. A8V REF Power Supply Outputs 1.27V.
  • Page 5 DPX501/501U/501UY DPX-MP2090U COMPONENTS DESCRIPTION SWITCH UNIT (X16-353x-xx) Ref. No. Application / Function Operation / Condition / Compatibility Remote Control IC Q1~3 GRID_DRIVER Each transistor’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 6: Microcomputer's Terminal Description

    DPX501/501U/501UY DPX-MP2090U MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER: 30624MWPA86GP (X34: IC1) Truth Pin No. Pin Name Application Processing Operation Description Value Table REMO Remote control signal input Detects pulse width LX MUTE Mute request from slave unit H: Mute ON, L: Mute OFF...
  • Page 7 DPX501/501U/501UY DPX-MP2090U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Application Processing Operation Description Value Table E2PROM I2C clock output for ROMCOR SCL ROM correction L: ON Panel 5V control PON PANEL Hi-Z: Momentary power down, panel detached or 11...
  • Page 8 DPX501/501U/501UY DPX-MP2090U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Application Processing Operation Description Value Table External display clock OEM DISP CLK External display (Destination K and E only) External display control request OEM DISP CE External display (Destination K and E only)
  • Page 9 CD MOTOR CONTROL DPX501U/UY CD MOTOR CD LOADING/EJECT KDC-X7533U Stop DPX-MP2090U Load DPX501 Eject DPX-U077 Brake Hi-z r TUNER TYPE TUN TYPE1 TUN TYPE2 (Pin 66) (Pin 67) Kenwood brand model OEM model 1 OEM model 2 OEM model 3...
  • Page 10 DPX501/501U/501UY DPX-MP2090U MICROCOMPUTER’S TERMINAL DESCRIPTION MECHANISM MICROCOMPUTER: M30620FCPGP (X32: IC1) Pin No. Pin Name Application Processing Operation Description Not used Opened output L fixed BYTE External data bus SW input Connects to GND L: Single chip mode CNVSS Processor mode SW...
  • Page 11 DPX501/501U/501UY DPX-MP2090U MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing Operation Description H: Mute ON, L: Mute OFF ZERO M 0-bit mute detection (No distinction of Lch/Rch) DE-EMPHASIS DAC de-emphasis control H: De-emphasis ON, L: De-emphasis OFF 50,51 Not used...
  • Page 12: Test Mode

    DPX501/501U/501UY DPX-MP2090U TEST MODE How to enter the test mode Forced switching of K3I In order to enter the test mode, reset the unit while simulta- In TUNER FM mode, each time [6] key is pressed, the func- neously pressing down [1] and [3] keys.
  • Page 13 DPX501/501U/501UY DPX-MP2090U TEST MODE Test mode specification for USB source MENU items • While in USB source, by [6] key, set the volume value to 15. • Press [Q] key briefly to enter the MENU. • The [DNPP/SBF] and [DIRECT] keys on the remote con- Audio adjust mode troller can also be used to enter the MENU.
  • Page 14 DPX501/501U/501UY DPX-MP2090U TEST MODE CD information display mode [2] key Serial number display (8 digits) (Display) xxxxxxxx Displays I2C communication status. [3] key Key pressed briefly : Power ON time is displayed. (Display) I2C_OK__ (Display) PON_0Hxx (00~50 is displayed for “xx”.
  • Page 15 DPX501/501U/501UY DPX-MP2090U TEST MODE [CD mechanism information] Initializing AUDIO-related value setting • Displays I2C communication condition During STANDBY sourcing, by pressing [ ] key for less than • Displays CD mechanism error log 1 second, AUDIO setting values are returned to the default •...
  • Page 16 DPX501/501U/501UY DPX-MP2090U TEST MODE FM/AM channel space switching (K,M type) • How to register the security code on the “Car Au- From the Power OFF condition, while pressing [1] and [5] keys dio Passport” after replacement of the E2PROM down simultaneously, press the [SRC] key and turn power ON.
  • Page 17: Dc Offset Error

    DPX501/501U/501UY DPX-MP2090U DC OFFSET ERROR 3. Key specification Purpose • No specific limitation (Normal operation). Prevent customers’ vehicle speakers damages, burnouts, and 4. Display specification smoking. • Display the “PROTECT” string and blink all characters at Avoid the connected speakers to be burned out, damaged, or 1Hz.
  • Page 18: Cd Eject Error Detection

    DPX501/501U/501UY DPX-MP2090U CD LOAD ERROR DETECTION q If the protect timer was counted up before the LOS (SW1) Operation up edge detection, it is recorded as LOAD_ERR1. LOAD w If the protect timer was counted up after the LOS (SW1) up...
  • Page 19: Installer Memory Specifications

    DPX501/501U/501UY DPX-MP2090U INSTALLER MEMORY SPECIFICATIONS At specialists (or specialty stores), when the installer sends • The contents read out by the call key shall be reflected only to the current source at the time → EQ curve is “USER” the vehicle back to the user, they may make the store-recom- mended audio configuration.
  • Page 20: Pc Board (Component Side View)

    DPX501/501U/501UY DPX-MP2090U PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-415x-xx (J76-0169-02) R530 W120 R531 W119 W122 W121 13 11 12 8 4 3 2 D501 W125 W123 R421 R519 W124 C513 R503 D106 C529 R111 C501 R112 C104 C512 D107...
  • Page 21 DPX501/501U/501UY DPX-MP2090U X34-415x-xx R531 Ref. No. Address D101 R105 D106 R111 R112 R126 IC10 R116 R115 R118 IC12 Q104 R123 D109 IC13 R117 R128 R124 D111 R114 Q112 C105 C106 W108 W109 Q107 W110 C201 R261 NOISE Q102 Q104 Q105...
  • Page 22 DPX501/501U/501UY DPX-MP2090U PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-415x-xx (J76-0169-02) TP18 TP14 TP10 TP12 TP17 TP16 TP11 TP15 TP129 R104 Q101 R106 TP13 TP19 TP22 TP126 TP27 O G I TP23 C202 TP20 TP21 C110 TP28 R432 TP25 R207...
  • Page 23 DPX501/501U/501UY DPX-MP2090U X34-415x-xx Ref. No. Address TP109 TP82 TP86 TP85 TP94 TP95 TP93 TP101 TP89 TP88 Q101 C343 TP128 TP87 Q103 R424 Q116 Q300 D515 Q301 C427 D518 Q408 TP66 TP69 TP68 TP70 TP71 TP75 TP74 TP76 TP77 TP79 TP78...
  • Page 24 DPX501/501U/501UY DPX-MP2090U PC BOARD (COMPONENT SIDE VIEW) SWITCH UNIT X16-353x-xx (J76-0176-12) X16-353x-xx Ref. No. Address DISP Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 25 DPX501/501U/501UY DPX-MP2090U PC BOARD (FOIL SIDE VIEW) SWITCH UNIT X16-353x-xx (J76-0176-12) SW VFL PAN5V FL+B X16-353x-xx Ref. No. Address VFD INH VFD PAN VFD CE VFD CL REMO SYS DT ILL+B Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 26 DPX501/501U/501UY DPX-MP2090U PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5830-00 (J76-0184-02) R121 R116 R118 R348 CP11 IC18 IC13 CP16 R112 C103 R110 R368 IC28 R369 C316 R301 IC16 CP303 CP301 R302 CP300 CP302 R300 C101 IC25 R307 R306 R339...
  • Page 27 DPX501/501U/501UY DPX-MP2090U PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5830-00 (J76-0184-02) IC20 R142 CP10 IC14 R144 R133 R311 CP24 CP25 R138 LOCK SHOCK CP26 IC15 ADCIN HOLD TRK+ MIRR CP27 R312 RF0K CP28 SW3.3 CP30 CP19 CP29 CP57 IC26 SLD+ A.GND...
  • Page 28 DPX501/501U/501UY DPX-MP2090U LX BUS ELECTRIC UNIT (X34-415x-xx) ∗ R423 C427 0.47 AUX-L Q400-407 R422 C428 Q408 PRE-OUT 47u6.3 PRE-OUT AUX-G MUTE ON/OFF MUTE SW R424 C426 AUX-R Q116 ∗ PRE-OUT Q406 0.47 MUTE DRIVER R519 Q408 Q407 C513 ∗ C417...
  • Page 29 DPX501/501U/501UY DPX-MP2090U R114 SMALL BU5V,BU,8V 100K LAMP ∗ DET SW Q14,16 Q108 4V-PRE+B 4V-PRE+B PROTECT 1/2W TP27 R505 4.3K R524 D515 C501 Q111 D502 ANALOG D520 IC11 5.6V 5.6V TP129 POEWR D518 ∗ 5.6V D501 D519 R428 R427 R426 8.0V ∗...
  • Page 30 DPX501/501U/501UY DPX-MP2090U to DC CORD IC1 : 30624MWPA86GP (F52-0023-05) IC2 : E-TDA7415C R114 IC3 : M5237ML-CF0J 100K F1 (10A) IC4 : E-TDA7560A ACC DET IC5 : BA00CCWT-V5 Q112 R127 Q108 IC6 : SN74HC02APWR D111 IC7 : S-80836CNNB-J TP17 IC8 : MIC2026-1YM...
  • Page 31 DPX501/501U/501UY DPX-MP2090U (3G-1G) (1G) (1G) (X16-353x-xx) col3 col1 col2 1.2V GRID1 CP6 47K GRID2 KEY SCAN START SW GRID3 TP16 ILL DET PAN5V RTRY CP3 100 FL+B ILL+B ∗ ∗ ∗ ∗ DGND ∗ ∗ ∗ ∗ AUDIO X34- RESET ∗...
  • Page 32 DPX501/501U/501UY DPX-MP2090U 2SB1565 ANODE CONNECTION NAME        DTA123JK   DTC114YE  DTC114YUA  DTC124EE   DTC143TUA  DTC144EE 2SC4617 2SB1188 2.6V 2SA1774 2SC4081 TP18  col1 col2   col3  ...
  • Page 33 DPX501/501U/501UY DPX-MP2090U CD PLAYER UNIT (X32-583x-xx) 8,10,16 TP74 D OUT D.OUT 12EJE-SW TP73 12EJE-SW 12EJE-SW BU3.3V LOS-SW TP100 REGULATOR TP72 LOS-SW LOS-SW IC19 TP71 3.3V R373 CP52 TP70 DATA 5.0V 4.7K DATA BU3.3V TP69 5.0V TP68 L ch A.GND TP67...
  • Page 34 DPX501/501U/501UY DPX-MP2090U IC16 COMPRESSION BU3.3V AUDIO CODEC SDRAM 3.3V VSS3 VDD1 DQ15 DECODER SOFTWARE & R300 68 UNIQUE ID STORAGE VSSQ4 3.3V FLASH ROM VDDQ1 DQ14 CP300 68 11.500MHz DQ13 IC17 RESET VDDQ4 TP29 3.3V DQ12 BYTE DQ11 VSS2 VSSQ1 3.3V...
  • Page 35 DPX501/501U/501UY DPX-MP2090U Q9,10 ANTICIPATION SUB-BEAM DELAY R369 C318 1000P CP302 SW3.3V IC28 VSS3 CLOCK 3.3V 3.3V DQ15 SSQ4 DQ14 6800P 3.3V DQ13 3.3V DDQ4 R302 DQ12 270K VREF DQ11 100K 3.0Vp-p SSQ3 C316 3.3V CP303 100 1.7V 0.01 4.7K 1.8V...
  • Page 36 DPX501/501U/501UY DPX-MP2090U TP75 DTA114EUA DTA124EUA TP76 DTC124EUA TP77 DTC144EUA TP78 DPU1 TP79 (X92-) OPTICAL PICKUP TP80 0.2Vp-p 1.1Vp-p TP81 0.1Vp-p 1.7Vp-p C100 DA : 0V ROM : 1.7V RF2- TP82 FCS+ FCS+ DA : 1.7V TP83 ROM : 0V DAN202U...
  • Page 37 DPX501/501U/501UY DPX-MP2090U EXPLODED VIEW (CD MECHANISM) DPU1 Only for Euro model. 46 : Only for Euro model. DFPC1 Refer to the parts list. (X32) φ : N09-4460-15 M1.7x8 : N09-4472-25 M1.7x2.5 : N09-6004-15 M2x2 : N09-6007-15 φ 2x5(BLK) : N09-6051-15 1.6 WASHER...
  • Page 38: Exploded View (Unit)

    DPX501/501U/501UY DPX-MP2090U EXPLODED VIEW (UNIT) Size AA battery (Not supplied) DME1 φ3x5 N83-3005-48 (X34) φ3x8 N83-3008-48 φ3x20 N83-3020-48 φ3x10 N80-3010-48 φ2.6x8 N82-2608-48 (X34) (X89) X89-283 (X89) X34-415 Depends on the model. Refer to the parts list. Parts with the exploded numbers larger than 700 are not supplied.
  • Page 39: Exploded View (Panel)

    DPX501/501U/501UY DPX-MP2090U 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 40: Parts List

    CHIP R J 1/4W H54-3803-03 ITEM CARTON CASE H30-0595-04 ADHESIVE DOUBLE-COATED TAPE K1E3E4 RK73EB2E102J CHIP R 1.0K J 1/4W E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 41 CHIP C 2200PF C12-14 CK73GB1H104K CHIP C 0.10UF C310 CK73GB1H103K CHIP C 0.010UF K C311,312 CC73GCH1H060D CHIP C 6.0PF E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 42 R337 RK73GB2A153J CHIP R J 1/10W RK73GB2A472J CHIP R 4.7K J 1/10W R339 RK73GB2A682J CHIP R 6.8K J 1/10W E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 43 7.0PF CK73EB1E105K CHIP C 1.0UF C426,427 CK73FB1E474K CHIP C 0.47UF CD04AS1HR47M ELECTRO 0.47UF 50WV C428 CD04AS0J470M ELECTRO 47UF 6.3WV E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 44 J 1/10W R236,237 RK73GB2A473J CHIP R J 1/10W RK73GB2A473J CHIP R J 1/10W R239 RK73GB2A222J CHIP R 2.2K J 1/10W E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 45 30624MWPA86GP MICROCONTROLLER IC R506 RK73GB2A223J CHIP R J 1/10W E-TDA7415C ANALOGUE IC R507 RK73GB2A221J CHIP R J 1/10W M5237ML-CF0J ANALOGUE IC E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 46 ARM ASSY N09-6155-15 SEMS (TAPTITE SCREW) (PT2X6) D10-4787-63 LEVER ASSY E3E4 D10-4901-13 LEVER ASSY K1M2 T42-1066-14 DC MOTOR (SPINDLE) E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 47 Parts No. Description Ref. No. Parts No. Description nation nation T42-1067-14 DC MOTOR (LOADING) DPU1 X93-2010-01 OPTICAL PICKUP ASSY E3 : DPX501U E4 : DPX501UY (Europe) Indicates safety critical components. K1 : DPX501 (North America) M2 : DPX-MP2090U (Other Areas)
  • Page 48: Specifications

    Laser diode ............... GaAlAs DPX-MP2090U ........178 x 100 x 155 mm Digital filter (D/A) ......8 Times Over Sampling DPX501/501U/501UY ......182 x 112 x 160 mm D/A Converter ..............1Bit ..........7-3/16 x 4-7/16 x 6-5/16 inch Spindle speed (Audio file) Weight DPX501/501U/501UY ......

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