Kenwood KDC-MP4028 Service Manual

Cd receiver

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Instruction manual (45 pages)

Service manual (6 pages)

Instruction manual (40 pages)

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Page 1 CD RECEIVER KDC-MP4028 KDC-MP428 KDC-MP6029 SERVICE MANUAL © 2005-2 PRINTED IN JAPAN B53-0245-00 ( N ) 764 PANEL ASSY PANEL ASSY KDC-MP4028 (A64-3481-02) KDC-MP428 (A64-3483-02) SCRL SCRL AUTO AUTO KDC-MP4028 KDC-MP428 C.S. C.S. DISP DISP DISP DISP MENU MENU MENU...
Page 2: Block Diagram
KDC-MP4028/MP428/MP6029 BLOCK DIAGRAM (X34- ) PHONE PHONE DME1 OPEL DISP CD MECHA Q108 MARINE DISP DIMMER PW-IC SP-OUT DIMMER LAND ONLY SERVO+B Q112 FRONT L/R ACC DET ACC-DET REAR L/R FRONT-END TUN8V Q109,110 PRE+B PREF AM+B SURGE- E-VOL Q402-405 DC-CN...
Page 3: Components Description
KDC-MP4028/MP428/MP6029 COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-338x-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 4 KDC-MP4028/MP428/MP6029 COMPONENTS DESCRIPTION SWITCH UNIT (X16-291x-xx) Ref. No. Application / Function Operation / Condition / Compatibility VFD DRIVER REMOTE CONTROL SW 5V The power supply of IC2 turns on when Q4’s base goes “L”. RED LED SW RED LED turns on when Q10’s base goes “H”.
Page 5: Microcomputer's Terminal Description
KDC-MP4028/MP428/MP6029 MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM µ-COM : IC1 on X34- (ELECTRIC UNIT) Pin No. Pin Name Application Processing Operation REMO Remote control signal Detects puls width LX MUTE Mute request from slave unit H : MUTE ON, L : MUTE OFF...
Page 6 KDC-MP4028/MP428/MP6029 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing Operation ROMCOR DET To VSS via a resister VFD CE VFD control request ROTARY CW VOL key Detects puls width ROTARY CCW VOL key Detects puls width CD DISC12 SW...
Page 7: Truth Table
KDC-MP4028/MP428/MP6029 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing Operation Becomes “H” when “CD MUTE R” is “L” or momentary power MUTE PRE R Rch preout mute down happens. Becomes “H” when “CD MUTE L” is “L” or momentary power...
Page 8 KDC-MP4028/MP428/MP6029 MICROCOMPUTER’S TERMINAL DESCRIPTION Processing Operation Pin No. Pin Name Application Remarks Description Not used. Low-fixed 10,11 PON1,PON2 Power ON/OFF control H : ON, L : OFF LOE/LIM_SW Down-limit SW detection L : Lim detection Used only with DXM-6590W. DAC_MUTE...
Page 9 KDC-MP4028/MP428/MP6029 MICROCOMPUTER’S TERMINAL DESCRIPTION Processing Operation Pin No. Pin Name Application Remarks Description BVdd Bus interface power supply BVss Bus interface GND 57~61 AB8~AB12 Multiplex data/address 3.3V driven 62~65 Not used. Low-fixed 3.3V driven Chip select control H : OFF, L : ON 3.3V driven...
Page 10: Test Mode
KDC-MP4028/MP428/MP6029 TEST MODE How to enter the test mode “5” • When pressed for less than 1 second While simultaneously pressing “1” and “3” keys, press “RE- : CD EJECT number display SET” button. (Display) : EJC x x x x x...
Page 11: Special Mode
Abnormal completion : CD_X_ _ _ • How to clear the programmable security code 3. Release Method: Press “RESET” button. (The last screen (KDC-MP4028/MP428 only) will not be maintained.) 1. While “– – – –” is being displayed, press “...
Page 12: Pc Board (Component Side View)
KDC-MP4028/MP428/MP6029 PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-338x-xx (J76-0039-12) W120 W119 W122 W121 13 11 12 8 4 3 2 9 10 6 W125 W123 R519 W124 C513 R503 R418 C529 C501 C512 L301 R934 C960 R417 R404 C999...
Page 13 KDC-MP4028/MP428/MP6029 X34-338x-xx Ref. No. Address W101 D101 IC11 R503 IC12 R112 R126 C501 C104 IC902 D109 R118 D107 R115 Q109 D110 D108 D905 Q104 R117 Q110 D105 R128 R125 C103 R122 Q106 C107 C105 Q112 D111 W103 O G I...
Page 14 KDC-MP4028/MP428/MP6029 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-338x-xx (J76-0039-12) R950 R104 R952 R106 R945 R947 R922 C957 R937 R935 R921 R920 R261 R432 R520 REMO R521 DATA R522 C209 R523 R250 R249 R246 R244 R210 C207 R215 R234 R316...
Page 15 KDC-MP4028/MP428/MP6029 R950 R949 D301 R945 R948 R947 R946 R321 R326 R432 X34-338x-xx Ref. No. Address Q101 Q103 D305 Q115 D306 Q116 D310 D307 Q300 Q301 R332 D308 Q304 R338 C321 Refer to the schematic diagram for the values of resistors and capacitors.
Page 16 KDC-MP4028/MP428/MP6029 PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5740-00 (J76-0065-12) CP27 IC11 R150 X32-5740-00 Ref. No. Address IC11 Refer to the schematic diagram for the values of resistors and capacitors.
Page 17 KDC-MP4028/MP428/MP6029 PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5740-00 (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 SPD+ DMUTE BU3.3V...
Page 18 KDC-MP4028/MP428/MP6029 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-291x-xx (J76-0040-32) X16-291x-xx (J76-0040-32) PAN5V D108 ILL+B D103 REMO CNDET CP13 CP12 X16-291x-xx X16-291x-xx Ref. No. Address Ref. No. Address Refer to the schematic diagram for the values...
Page 19 KDC-MP4028/MP428/MP6029 ELECTRIC UNIT (X34-338x-xx) ∗ ∗ TP87 R423 C427 0.47 BU5V,B AU-L TP88 R422 C428 PREOUT MUTE DRIVER Q15,16 47u6.3 4V PRE+B AU-G 4V PRE+B (SHORT PRO TP89 R424 C426 ∗ Q116 Q115 0.47 AU-R R519 D405 D406 TP27 C513...
Page 20 KDC-MP4028/MP428/MP6029 R114 SMALL BU5V,BU,8V 100K LAMP DET SW 4V PRE+B ACC DET Q112 R127 (SHORT PROTECTION) Q108 D111 R505 BU5V D108 R117 R120 470K D110 R119 C501 Q111 Q109 D109 Q110 R946 D502 TP129 5.6V B.U. SERGE PREOUT POEWR POEWR...
Page 21 KDC-MP4028/MP428/MP6029 2SB1565 UMC2N 30624MGPA44GP Q1,5,7,302 2SB1565 E-TDA7415 Q2,8,14,15,109,111,112,303 (F52-0006-05) M5237ML-CF0J 2SC4155A(Q,R,S F1 10A E-TDA7560A Q3,4,13,104,110,113,907 BA00CCWT-V5 2SA1603A R127 SN74HC02APWR Q6,299 UMC2N S-80836CNNB-J Q9,11,301 RT1N241M TP17 IC11 TA75S558F-F Q12,108,306 : RT1N441M TP16 IC12 SI-8050JF3NF 2SB1443 IC902 : NJM4565V-ZB Q101,103 2SB1188(Q,R) Q102,106,304...
Page 22 KDC-MP4028/MP428/MP6029 SWITCH UNIT (X16-291x-xx) (3G/1GB/2G) (1GA) R73 2.2 REMOTE TP16 SW5V CONTROL col2 col4 col1 KEY MATRIX D110 DISP Q or EQ LOW PANEL MID PANEL TR15 ILL D GND TP14 CP11 PAN5V D109 TP13 RTRY CW D108 TP12 11.25V...
Page 23 KDC-MP4028 0-10 LED SW LED SW KDC-MP428 KDC-MP6029 0-21 B30-1565-05 2.2K 2.2K • DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instru- KDC-MP4028/MP428/MP6029 (2/2) ments or/and units. X16-291x-xx (2/2)
Page 24 KDC-MP4028/MP428/MP6029 CD PLAYER UNIT (X32-574x-xx) A3.3V S7.5V 2.4-4.2V 2.6-4.2V 4CH BTL DRIVER 2.4-4.2V 2.6-4.2V TP26 TP31 SLD+ SPD+ 1.2-5.5V 1.0-5.0V TP25 TP32 SLD+ SPD+ 7.5K 7.5K SLD+ SPD+ TP28 TP33 SLD- SPD- 1.2-5.5V 1.0-5.0V TP27 TP34 SLD- SPD- C1 1...
Page 25 KDC-MP4028/MP428/MP6029 A3.3V D3.3V TP68 1000P TP93 D.GND IOP2 TP94 RESET TP92 IOP1 1.5V VDDREG15 1.13Vp-p 1.6V 1.13Vp-p 0-3.3V 0-3.3V 3.3V PWMSW0 TEST3 0.2V DGND2 TEST2 4.7K 3.3V TEST1 3.3V 3.2Vp-p PWMSW1 TP91 3.2Vp-p TESTEN C83 0.01 1.8Vp-p D1GND2 TP90 TP89 1.7V...
Page 26 KDC-MP4028/MP428/MP6029 EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (X32) φ : N09-4460-05 : N09-4472-15 M1.7x8.0 M1.7x2.5 : N09-6004-05 M2x2 : N09-6007-05 φ : N09-6051-05 2x5(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5 φ : N09-6155-05 Parts with the exploded numbers larger than 700 are not supplied.
Page 27: Exploded View (Unit)
KDC-MP4028/MP428/MP6029 EXPLODED VIEW (UNIT) DME1 : N80-2006-48 : N80-2008-43 : N83-3005-48 : N83-3008-48 : N84-2005-43 : N84-2606-43 : N80-3010-48 : N82-2608-48 : N83-3005-48 : N83-3020-48 (X34) (X34) (X34) (X34-) (X16-) Parts with the exploded numbers larger than 700 are not supplied.
Page 28: Parts List
R13,14 RK73GB2A102J CHIP R 1.0K J 1/10W H25-0337-04 PROTECTION BAG (180X300X0.03) RK73GB2A101J CHIP R J 1/10W H54-3278-13 ITEM CARTON CASE (KDC-MP4028) K H54-3279-13 ITEM CARTON CASE (KDC-MP6029) M1 R51-53 RK73FB2B471J CHIP R J 1/8W RK73EB2E681J CHIP R J 1/4W H54-3280-13...
Page 29 CHIP R J 1/10W C53,54 CK73GB0J475K CHIP C 4.7UF RK73GB2A163J CHIP R J 1/10W E : Europe K : North America K : KDC-MP4028 Indicates safety critical components. M : Other Areas W : Without Europe K1 : KDC-MP428 M1: KDC-MP6029...
Page 30 CD04AS1H2R2M ELECTRO 2.2UF 50WV C90-6746-05 ELECTRO 3300UF 16WV C417-420 CD04AS1C220M ELECTRO 22UF 16WV E : Europe K : North America K : KDC-MP4028 Indicates safety critical components. M : Other Areas W : Without Europe K1 : KDC-MP428 M1: KDC-MP6029...
Page 31 J 1/10W RK73FB2B221J CHIP R J 1/8W R211 RK73GB2A102J CHIP R 1.0K J 1/10W E : Europe K : North America K : KDC-MP4028 Indicates safety critical components. M : Other Areas W : Without Europe K1 : KDC-MP428 M1: KDC-MP6029...
Page 32 R406,407 RK73GB2A361J CHIP R J 1/10W R92-1252-05 CHIP R 0 OHM J 1/16W E : Europe K : North America K : KDC-MP4028 Indicates safety critical components. M : Other Areas W : Without Europe K1 : KDC-MP428 M1: KDC-MP6029...
Page 33 ZENER DIODE Q105 RT1P141M DIGITAL TRANSISTOR D903 UDZS6.8B ZENER DIODE Q106 DTC114YUA DIGITAL TRANSISTOR E : Europe K : North America K : KDC-MP4028 Indicates safety critical components. M : Other Areas W : Without Europe K1 : KDC-MP428 M1: KDC-MP6029...
Page 34 CHASSIS T42-1067-04 DC MOTOR (LOADING) D10-4576-83 ARM ASSY DPU1 X93-2010-00 OPTICAL PICKUP ASSY E : Europe K : North America K : KDC-MP4028 Indicates safety critical components. M : Other Areas W : Without Europe K1 : KDC-MP428 M1: KDC-MP6029...
Page 35 KDC-MP4028/MP428/MP6029 PARTS LIST CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc. 5 = Value...
Page 36: Specifications
Weight ............1.20kg (2.64lbs) Frequency Response ......10Hz~20kHz (±1dB) Total Harmonic Distortion ......... 0.01% (1kHz) S/N Ratio ............105dB (1kHz) KENWOOD follows a policy of continuous advancements Dynamic Range ............. 93dB in development. For this reason specifications may be changed without notice.

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Kenwood KDC-MP4028 Service Manual

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