Kenwood KDC-MP5028 Service Manual

Cd receiver

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Service manual (6 pages)

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Page 1 CD RECEIVER KDC-MP5028/MP528 /W6031/W6031Y © 2005-2 PRINTED IN JAPAN SERVICE MANUAL B53-0241-00 ( N ) 1553 CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 KDC-MP5028 Panel assy (A64-3509-12) Escutcheon (B07-3125-01) KDC-MP528 Panel assy (A64-3510-12) Escutcheon (B07-3126-01) KDC-W6031 KDC-W6031Y Panel assy (A64-3512-12)
Page 3: Block Diagram
KDC-MP5028/MP528 /W6031/W6031Y BLOCK DIAGRAM CD PLAYER UNIT (X32-5740) MOTHER BOARD PICKUP A3.3V REG RF AMP SERVO PROCESSOR L-ch R-ch MP3 DECODER A.GND WMA DECODER D.OUT AAC DECODER MRST 1Mbit SRAM MSTOP VREF DATA FO COIL D.GND MUTE L CLOCK MICRO MUTE R 16.934MHz...
Page 4 KDC-MP5028/MP528 /W6031/W6031Y COMPONENTS DESCRIPTION SWITCH UNIT (X16-2920-11/3142-70) Ref. No. Application / Function Operation / Condition / Compatibility VFD Driver Remote Control IC The power supply for IC2 is turned on when Q1’s base level goes “L”. Q2,Q3 FL+ SW The power supply for filament is turned on when Q3’s base level goes “H”.
Page 5 KDC-MP5028/MP528 /W6031/W6031Y COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility IC11 AMP for 4V Pre-Out Ref. IC12 Switching regulator IC for CD mecha D5V and FL filament IC902 AMP for Power IC SVR and E-vol IC 3.3V Ref.
Page 6 KDC-MP5028/MP528 /W6031/W6031Y MICROCOMPUTER’S TERMINAL DESCRIPTION MECHANISM MICROCOMPUTER 703030BYGCJ09A (X32-574 : 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 7 KDC-MP5028/MP528 /W6031/W6031Y MICROCOMPUTER’S TERMINAL DESCRIPTION Processing Operation Pin No. Pin Name Application Remarks Description 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 47~54 AD0~AD7 Multiplex address/data 3.3V driven...
Page 8 KDC-MP5028/MP528 /W6031/W6031Y MICROCOMPUTER’S TERMINAL DESCRIPTION MAIN MICROCOMPUTER 30624MWPA35GP (X34 : IC1) Module Truth Pin No. Pin Name Application Processing Operation Description (functional) Value Table REMO EXTRA Remote controller signal input Pulse width is detected. LX_MUTE LX_M Mute request from slave unit...
Page 9: Table Of Contents
KDC-MP5028/MP528 /W6031/W6031Y MICROCOMPUTER’S TERMINAL DESCRIPTION Module Truth Pin No. Pin Name Application Processing Operation Description (functional) Value Table ROM correction E2PROM I2C clock SCL/ROMCOR_SCL EXTRA output terminal POWER ON : Hi-Z, POWER OFF : L, PON_PANEL Power supply I/O Panel 5V control terminal...
Page 10 KDC-MP5028/MP528 /W6031/W6031Y MICROCOMPUTER’S TERMINAL DESCRIPTION Module Truth Pin No. Pin Name Application Processing Operation Description (functional) Value Table OEM_DISP_CE EXTRA I/O External display control request External display O Not used. (M-destination only) Output L-fixed EXTRA O Not used. Output L-fixed...
Page 11: Pm_Mot1
KDC-MP5028/MP528 /W6031/W6031Y MICROCOMPUTER’S TERMINAL DESCRIPTION PANEL General Purpose Port Functional Allocation Pin No. Active (H/L) Pin Name Application Processing Operation Description RED : H RED LED control terminal GREEN : L RED : L GREEN GREEN LED control terminal GREEN : H...
Page 12: Test Mode
KDC-MP5028/MP528 /W6031/W6031Y TEST MODE How to enter the test mode • AUTO : FM1_98.1A In order to enter the test mode, reset the unit while simulta- • Forced WIDE : FM1_98.1W neously pressing down [1] and [3] keys. • Forced MIDDLE : FM1_98.1M •...
Page 13 KDC-MP5028/MP528 /W6031/W6031Y TEST MODE 2-ZONE Items ter this, any of the item can be selected) * Normally, Sub Woofer Level is not included. In this ver- • When using sources other than the STANDBY source, us- sion, however, the Sub Woofer Level is included, and this ing a short-press on [AUTO] / [TI] key, 2-ZONE ON / OFF is has been already arranged.
Page 14: Pm_Det
KDC-MP5028/MP528 /W6031/W6031Y TEST MODE Other [5] Key Short-press : CD EJECT number of times is displayed. • At Power ON, “CODE_OFF”, “CODE_ON” displays will not During CD EJECT number of times display, be made. by long-pressing for 2 seconds, CD EJECT •...
Page 15 KDC-MP5028/MP528 /W6031/W6031Y TEST MODE Security gardless of whether a disc is in the unit or not. • Forced Power ON mode (All models) Panel full OPEN/CLOSE is conducted with a short-push. (Protection time : 3 seconds) Even in the case where security is in effect, by simultaneously...
Page 16 KDC-MP5028/MP528 /W6031/W6031Y PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-342x-xx/3762-71 (J76-0049-12) 13 11 12 8 4 3 9 10 6 D501 C529 R503 C501 R507 D107 C510 R933 C511 C512 L301 C502 R938 Q906 C959 IC902 C958 D904 W127 C428...
Page 17 KDC-MP5028/MP528 /W6031/W6031Y D101 R105 R126 C105 C108 R112 R108 D111 R128 C104 Q102 R109 Q112 R111 D103 C501 D110 D108 D107 C106 C102 EB EB R123 Q104 R114 R125 R117 Q105 R124 C107 R113 C103 Q111 R122 R938 R118 R116...
Page 18 KDC-MP5028/MP528 /W6031/W6031Y PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-342x-xx/3762-71 (J76-0049-12) R950 R104 R107 R952 R951 R945 R948 R947 R937 R927 R935 C957 R924 D903 R921 R427 R920 R432 R431 W104 R261 R129 R203 R259 R932 D516 R520 C209 C203...
Page 19 KDC-MP5028/MP528 /W6031/W6031Y D408 C429 R425 R948 C427 C426 D405 R946 Q300 R944 Q301 W123 X34-342x-xx/3762-71 Ref. No. Address C438 R401 R434 D412 Q101 Q103 Q114 R335 Q300 Q301 D305 R314 C326 Refer to the schematic diagram for the values of resistors and capacitors.
Page 20 KDC-MP5028/MP528 /W6031/W6031Y PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5740-0x (J76-0065-12) CP27 IC11 R150 X32-5740-0x Ref. No. Address IC11 Refer to the schematic diagram for the values of resistors and capacitors.
Page 21 KDC-MP5028/MP528 /W6031/W6031Y PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5740-0x (J76-0065-12) 12EJE-SW IOP- IOP+ CP28 ATEST AGND A3.3V REFOUTSV SHOCK LOS-SW LOCK HOLD DOUT DGND AGND C100 R104 WAIT CP10 CP9 S7.5V CP11 BU5V SGND TYPE LOE/LIM PON2 PON1...
Page 22: Component Side View
KDC-MP5028/MP528 /W6031/W6031Y PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-2920-11/3142-70 X16-2920-11/3142-70 (J76-0050-12) (J76-0050-12) X16-2920-11/3142-70 X16-2920-11/3142-70 Ref. No. Address Ref. No. Address PAN5 REMO ROT-A ROT-B Refer to the schematic diagram for the values of resistors and capacitors.
Page 23 KDC-MP5028/MP528 /W6031/W6031Y (X34-342x-xx/376x-xx) ∗ ∗ TP87 R423 C427 0.47 AU-L BU5V ∗ TP88 R422 C428 ∗ MUTE DRIVER 47u6.3 AU-G TP89 R424 C426 Q116 Q115 0.47 AU-R D405 D406 ∗ R519 TP27 W104 C513 R403 C417 ∗ 0.01 R419 180...
Page 24: Cd_Mrst
KDC-MP5028/MP528 /W6031/W6031Y 4V PRE+BSHORT PROTECTION BU5V,BU,8V ∗ Q15,16 4V PRE+B Q108 4V PRE+B SHORT PROTECTION TP27 W104 SMALL DET SW R505 R120 470K R119 5.6V IC11 C501 Q111 5.6V 4V PRE R946 D502 Q110 TP129 R123 SURGE DET R948 R949 R950 5.6V...
Page 25 KDC-MP5028/MP528 /W6031/W6031Y 30624MWPA35GP Q4,6 UMC2N E-TDA7415 Q9,16 2SB1443 M5237ML-CF0J Q11,17,301 DTC124EUA E-TDA7560A 2SA1577 FUSE 10A BAOOCCWT-V5 Q101,103 2SB1188(Q,R) Q112 R127 SN74HCO2APWR Q102,106,304 DTC114YUA D111 S-80836CNNB-J Q105 DTA114EUA LB1930M-E Q107 DTA123JK TP17 TP16 E-TDA7479AD Q108 DTC144EUA IC10 BR24L04FV-W Q113 2SA1774 IC11...
Page 26 KDC-MP5028/MP528 /W6031/W6031Y ANODE CONNECTION 3GA,3GB 1GA,1GB col2 (X16-292x-xx/3142-70) TP30 col2 (1G~3G) col1 col4 col3 (1G) (X16-292x-xx) DESTI- UNIT MODEL NAME R30,31 NATION KDC-X589 0-10 KDC-MP5028 0-11 KDC-MP528 0-11 TP13 KDC-W6531Y 0-11 KDC-W6031Y 0-11 RESET KDC-X7529 0-10 TP12 RST 14 R6 470...
Page 27 KDC-MP5028/MP528 /W6031/W6031Y CD PLAYER UNIT (X32-574x-xx) A3.3V S7.5V 2.4-4.2V 2.6-4.2 4CH BTL DRIVER 2.4-4.2V 2.6-4.2 TP26 SLD+ 1.2-5.5V 1.0-5.0 TP25 SLD+ SPD+ 7.5K 7.5K SLD+ TP28 SLD- 1.2-5.5V 1.0-5.0 TP27 SLD- SPD- C1 1 C2 1 SLD- 7.5V VCC2 680P 680P 7.5V...
Page 28 KDC-MP5028/MP528 /W6031/W6031Y A3.3V 2.6-4.2V 2.6-4.2V TP31 SPD+ 1.0-5.0V TP32 SPD+ TP33 SPD- 1.0-5.0V TP34 D3.3V SPD- 7.5V R29 1K 0-5.0V TP35 0-3.0V TP68 1000P TP105 D.GND 4.7K TP94 1.5V RESET 2.0-3.0V TP36 TP107 1.5V VDDREG15 1.5V 1.13Vp-p 1.6V 1.13Vp-p 0-3.3V 0-3.3V...
Page 29 KDC-MP5028/MP528 /W6031/W6031Y 2SB1565 DTA123JK 2SB1188 DTA144EUA DTC114YUA DTC143TUA 2SA1576A TP93 IOP2 TP92 IOP1 2SC2873-F 2SB1443 2SA1774 2SC4081 4.7K TP91 C83 0.01 TP90 TP89 C82 47P ADIN TP112 TP88 TP87 C81 47P TP111 VREF DTA114EUA UMC2N DAN202U C80 0.1 TP110 DTA124EUA 3.3V...
Page 30 KDC-MP5028/MP528 /W6031/W6031Y EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 M1.7x8.5 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5 φ : N09-6155-05 Refer to the service manual X92-4030-0x (B51-7867-00) for CD mechanism operation.
Page 31 KDC-MP5028/MP528 /W6031/W6031Y EXPLODED VIEW (UNIT) DME1 (X34) SIZE AA BATTERY (Not supplied) M2x2 : N09-6269-05 M2x2.5 : N09-6326-05 φ2.6x6 M1.7x2 : N09-6140-05 : N78-2660-48 φ2x6 M2x2 : N09-6141-05 : N80-2006-48 φ2x8 M2x2.5 : N09-6142-05 : N80-2008-43 φ1.7x4.5 φ3x5 : N09-6190-05 : N83-3005-48 φ3.05x5.83...
Page 32: Parts List
FUSE (MINI BLADE TYPE) 10A N83-3005-48 PAN HEAD TAPTITE SCREW N83-3008-48 PAN HEAD TAPTITE SCREW G01-3210-04 TORSION COIL SPRING N86-2004-43 BINDING HEAD TAPTITE SCREW Indicates safety critical components. E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528...
Page 33: Parts List
STZ6.8N ZENER DIODE CC73GCH1H060D CHIP C 6.0PF STZ6.2N ZENER DIODE CK73GB1H104K CHIP C 0.10UF 3-BT-226N FLUORESCENT INDICATOR TUBE LC75756W MOS-IC CC73GCH1H030C CHIP C 3.0PF E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 34 J 1/10W CD04AS1C470M ELECTRO 47UF 16WV RK73GB2A333J CHIP R J 1/10W CD04AS1C220M ELECTRO 22UF 16WV RK73GB2A333J CHIP R J 1/10W CD04AS1C470M ELECTRO 47UF 16WV E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 35 ELECTRO 0.47UF 50WV RK73GB2A103J CHIP R J 1/10W C512 CD04AS0J470M ELECTRO 47UF 6.3WV RK73SB3A220J CHIP R J 1W C513 CK73GB1H103K CHIP C 0.010UF K E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 36 RK73GB2A471J CHIP R J 1/10W R414,415 RK73FB2B181J CHIP R J 1/8W R234,235 RK73GB2A392J CHIP R 3.9K J 1/10W R420,421 RK73FB2B181J CHIP R J 1/8W E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 37 DAP202U DIODE W112,113 R92-1252-05 CHIP R 0 OHM J 1/16W D411,412 KDS120-P DIODE W114,115 R92-2053-05 CHIP R 0 OHM J 1/8W D411,412 MC2846 DIODE E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 38 TRANSISTOR RT1N241M TRANSISTOR Q906 DTA124EUA DIGITAL TRANSISTOR 2SC4081 TRANSISTOR Q906 KRA303-P DIGITAL TRANSISTOR 2SC4155A (Q,R,S) TRANSISTOR Q906 RT1P241M TRANSISTOR 2SA1576A TRANSISTOR Q907 2SA1576A TRANSISTOR E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 39 FLEXIBLE PRINTED WIRING BOARD N09-4460-05 TAPTITE SCREW (OVAL P TAPTIT) N09-4472-15 MACHINE SCREW (M1.7X8.0) N09-6004-05 MACHINE SCREW (M1.7X2.5 IB-L) N09-6007-05 MACHINE SCREW (PAN M2X2) E1 : KDC-W6031 E2 : KDC-W6031Y K1 : KDC-MP5028 K2 : KDC-MP528 Indicates safety critical components.
Page 40 Installation Size (W x H x D) ....182 x 53 x 155mm ..........7-3/16 x 2-1/16 x 6-1/10inch Weight ............3.09lbs (1.4kg) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.

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Kenwood KDC-MP5028 Service Manual

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