Kenwood KDC-MP732 Service Manual
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Kenwood KDC-MP732 Service Manual

Kenwood KDC-MP732 Service Manual

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See also: Instruction Manual
CD RECEIVER
KDC-MP732
SERVICE MANUAL
DC cord
(E30-6428-05)
Carrying case
(W01-1661-05)
Lever
(D10-4589-04) x2
CD MECHANISM EXTENSIONCORD (24P) : W05-0934-00
TDF PANEL INFORMATION
MODEL
KDC-MP732
Panel assy
(A64-3732-02)
Remote controller assy
(A70-2067-15)
RC-527
Escutcheon
(B07-3126-01)
Screw set
(N99-1758-05)
© 2005-12 PRINTED IN JAPAN
B53-0362-00 ( N ) 589
TDF PANEL No.
TDF NAME
Y33-2430-61
TDF-MP67D
SIZE AA BATTERY
(Not supplied)
Mounting hardware assy
(J21-9716-03)
Tapping screw
(N09-6280-05)
This product uses Lead Free solder.

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Summary of Contents for Kenwood KDC-MP732

  • Page 1 CD RECEIVER KDC-MP732 SERVICE MANUAL © 2005-12 PRINTED IN JAPAN B53-0362-00 ( N ) 589 CD MECHANISM EXTENSIONCORD (24P) : W05-0934-00 TDF PANEL INFORMATION MODEL TDF PANEL No. TDF NAME KDC-MP732 Y33-2430-61 TDF-MP67D Panel assy (A64-3732-02) DC cord Remote controller assy...

  • Page 2: Block Diagram

    KDC-MP732 BLOCK DIAGRAM AUX IN IC800 Q802 BU5V D3.3V A3.3V REF+B Q402 PRE OUT Q608-613 IC601-603 A3.3V (FRONT) AM+B IC300 PRE OUT IC303 IC305 IC800 MUTE (REAR) (FST) SVR REF PRE OUT (SW) IC750 E2PROM SW5V POWER FM/AM E-VOL SP OUT(FL)

  • Page 3: Components Description

    KDC-MP732 COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-3730-11) Ref. No. Application / Function Operation / Condition / Compatibility IC10 Audio 8V Ref Power Supply Output 1.27V. Power Supply for VFD & Mecha digital. IC60 Switching Regulator Controller CH1 : VFD (4.7V) CH2 : Mecha digital (DXM-680x : 4V , Other : 5V)
  • Page 4 KDC-MP732 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility This FET is governed by IC60. VFD (4.7V) AVR Switching Power Driver Frequency is decided at Q61. This FET is governed by IC60. Mecha digital AVR Power Driver Frequency is fixed 400kHz.
  • Page 5 KDC-MP732 COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility TRIANGLE RED Triangle red LED is lighting when Q2’s base level goes “H” LED SW BLUE LED SW Blue LED are lighting when Q3’s base level goes “H”...

  • Page 6: Microcomputer's Terminal Description

    KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER : 30625MGPA78GP (X34 : IC102) Pin No. Pin Name Function Processing Operation VREF Analog reference voltage AVCC LX DATA S Data from slave unit LX DATA M Data to slave unit LX CLK LX-BUS clock...
  • Page 7 KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation VCC1 PAN DATA Inside-panel communication data MAX 500kbps Communication request from system µ-com SYS REQ PAN REQ Communication request from panel I2C data input output I2C clock input output...
  • Page 8 KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation CD LOE LIM SW CD detection (Chucking SW) H : Loading complete, L : No disc MD_LOE_LIM_SW MD detection terminal (chucking SW) H : Loading completed, L : No disc...
  • Page 9 KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation L : When “MUTE PRE R” is “L” or at momentary MUTE PRE R Rch pre-out mute power down, H : Only when 2-zone Not used when MD Output L fixed L : When “MUTE PRE L”...
  • Page 10 Hi-Z t TUN TYPE setting w PANEL MOTOR TYPE1 TYPE2 OPEN CLOSE STOP WAIT Kenwood brand model PM MOT1 Setting for OEM1 PM MOT2 Setting for OEM2 Setting for OEM3 e PANEL MECHA y1 TYPE setting FULL OPEN FULL CLOSE...
  • Page 11 KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation ROTARY CCW Rotary A 1-pulse/2-click, 15-pulse/360° ROTARY CW Rotary B 1-pulse/2-click, 15-pulse/360° 35,36 TMS, TCM Not used 3.3VDD 3.3V EVSS Connect to GND Key scan L : Output, Hi-Z : Switching...
  • Page 12 KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Function Processing Operation 2.5VDD 2.5V Connect to GND Not used TYPE Whether there is customizing or not designation setting H : Flash ROM (This model), L : Mask ROM (Other model) NC (VREFCON)
  • Page 13 KDC-MP732 MICROCOMPUTER’S TERMINAL DESCRIPTION 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 14 KDC-MP732 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 15: Test Mode

    KDC-MP732 TEST MODE • “TNCON_NG” : In this condition, the communication with How to enter the test mode the front-end is not possible. In order to enter the test mode, reset the unit while simulta- neously pressing down [1] and [3] keys.
  • Page 16 KDC-MP732 TEST MODE • Using the VOL knob and [ ] / [ ] key, the Sub Woofer Audio adjust mode Level can be adjusted in 3 steps : –15 ↔ 0 ↔ +15 (The Model with DSP (KDC-W8534/W8534Y) initial value is 0) •...
  • Page 17 KDC-MP732 TEST MODE OPEL communication items [4] key Key pressed briefly : CD operation time is displayed. During the test mode, OPEL communication line outputs the During CD operation time display, by pressing for at least following (At every 500msec, the output condition of the com- 2 seconds, CD operation time is cleared.
  • Page 18 “xx”) IC1) MAX 99 (times) Mask ROM (2M) : KDC-MP732,KDC-MP8533 (X16 IC1) Disk detection SW ON/OFF is monitored, and when the 2. When entering the test mode, the manufacture code of the ejection operation is not completed within the specified...
  • Page 19 KDC-MP732 TEST MODE [Service Information] Other • Displays power ON time is displayed. • At Power ON, “CODE_OFF”, “CODE_ON” displays will not • Displays CD operation time. be made. • Displays number of CD EJECT times. • When sourcing STANDBY, by pressing [AUTO] or [TI] key •...

  • Page 20: Dc Offset Error

    KDC-MP732 TEST MODE key for less than 1 second to clear the detection informa- • Method of clearing the programmable security tion. (E2PROM clear) code 4. DC offset error display mode is released by resetting. (What 1. While “– – – –” is being displayed, press [ ] key for at was on the last screen will not be retained.)

  • Page 21: Cd Load Error Detection

    KDC-MP732 DC OFFSET ERROR 4. Display specification Note while in test mode • Display the “PROTECT” string and blink all characters at • While in test mode, even if DC leak is detected, it is not 1Hz. written into E2PROM.

  • Page 22: Cd Eject Error Detection

    KDC-MP732 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 23 KDC-MP732 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 24: Pc Board (Component Side View)

    KDC-MP732 PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-3730-11 (J76-0053-22) IC750 C613 C630 C617 C612 13 10 9 5 1 2 3 TH750 12 11 7 C757 CN600 R762 R759 D700 C702 D702 D701 L400 C634 C614 Q607 C606 C633...
  • Page 25 KDC-MP732 TH750 C757 R202 C808 Q202 IC10 R201 C807 R803 C806 R805 C805 W201 X34-3730-11 IC103 IC200 Ref. No. Address Ref. No. Address IC451 IC10 IC60 C308 IC80 C309 IC102 IC103 IC200 IC300 IC450 C307 IC451 IC600 WH100 IC601 Q100...
  • Page 26 KDC-MP732 PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-3730-11 (J76-0053-22) R811 C804 Q802 R817 R763 IC800 R217 C206 Q209 R609 R208 Q203 R207 C310 C388 R321 D302 R311 D303 R382 C385 R300 R101 IC100 R387 R107 R384 R177 C353 R385...
  • Page 27 KDC-MP732 W604 W603 W751 X34-3730-11 W401 Ref. No. Address Q609 W608 D401 IC100 R619 IC104 W612 R613 IC800 W607 C636/ W611 W616 C635/W609 C638/ R407 W615 R405 W610 R406 C637/ R640 W613 W614 R310 Q612 R320 R404 IC301 IC302 R309...
  • Page 28 KDC-MP732 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 29 KDC-MP732 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 30 KDC-MP732 PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-3540-10 (J76-0054-22) X16-3540-10 (J76-0054-22) Q4 Q5 D23 R23 R24 CP17 CP12 CP10 CP19 CP15 CP11 CP20 CP14 CP16 CP13 CP18 CP22 CP26 CP28 CP29 CP24 CP25 CP35...
  • Page 31 KDC-MP732 (X34-3730-xx / X34-4242-7x) D608 D609 CN600 5V PRE-OUT R640 AUX COMMON TP608 C621 R638 R639 C638 10u1 AUX R TP609 R643 C631 10u35 P-NL 0.47 AUX L TP607 9.4V Q613 FRONT L TP604 R642 C630 P-FL 47u6.3 4.7K TP602...
  • Page 32 KDC-MP732 (E30-6292-15) R640 C622 10u3 10u16 P-NL ∗ Q613 4.7K Q612,613 10u3 PRE- D700 ∗ MUTE R711 1K 4.7K C704 0.01 AUDIO D701 R308 R310 R311 C314 BUFFE Q612 D703 22u16 ∗ D705 10u3 R631 C619 R304 R306 D702 10u16...
  • Page 33 KDC-MP732 A3.3V ∗ SW14 C334 R342 R350 R367 10u35 2.7K 2.7K 3.3K SVR+B C333 R343 R351 R368 ∗ ∗ 10u35 2.7K 2.7K 3.3K C769 C770 IC306 0.01 0.01 C750 AUDIO BUFFER AMP POWER C332 R344 R352 R369 10u35 2.7K 2.7K 3.3K...
  • Page 34 KDC-MP732 RESET IC ∗ ∗ R136 R140 IC100 100K 100K ∗ ∗ 5.0V R137 R138 TP100 100K 100K ∗ D201 CP105 R100 R772 220 100K D755 Q200 C100 R771 22K D754 C105 0.01 VREF 5.0V AVCC CP101 R101 100K SW5V...
  • Page 35 KDC-MP732 to DC CORD TP16 FUSE 10A FUSE TP15 TP17 ∗ REF+B AVR 3900u16 R823 BU5V TP18 R810 Q800 1.5K TP108 12 10 R801 R805 2.4K PRE- MUTE D200 D201 DRIVER Q201 R803 5.1K Q200 MUTE DRIVER IC103 5.0V R163 100K...
  • Page 36 KDC-MP732 2SB1565 DTC114YUA AUDIO3.3V REF SUPPLY SVR6.8V REF SUPPLY DTC143TUA REF+B AVR DTC143ZE Q802 2SA1576A R810 2SC2713-F 1.5K 2SC4617 C806 1000P 6.8V R805 IC800 R809 Q801 3.3V 3.3V D801 R803 R806 5.1K TP802 C808 R817 100u16 2SB1188 2SC2873-F Q801 SVR6.8V REF SUPPLY...
  • Page 37 KDC-MP732 (X16-354x-xx) CORRECTION NOT USED REMOTE CONTROL SW5V VCC 3 TEST 4.7K 3.3V C2 0.01 C6 0.01 0.01 BLUE SW 3.3V GREEN SW C3 0.01 C7 0.01 4.7K RED SW 3.3V C4 0.01 C8 0.01 PON TRI RED PON LED...
  • Page 38 KDC-MP732 128X23 Pixels/2 Colors : LIGHT GREENISH BLUE : YELLOWISH ORANGE D3.3V 0.01 RESET 0.01 100K FL3.3V 3.3V AVDD0 3.3V FL+B SW AVSS0 CP26 22K 3.3V / 0V 3V / 0V IC10 AVSS1 3.3V 3.3V 2.5V 5.0V 3.3V 3.3V AVDD1 3.3V...
  • Page 39 EJECT TP35 TP36 TP37 TP38 • DC voltages are as measured with a high impedance voltmeter. TP44 TP45 TP46 TP47 TP48 Values may vary slightly due to variations between individual instruments or/and units. KDC-MP732 (2/2) X16-3540-10 (3/3), X16-2570-10 (1/1)
  • Page 40 KDC-MP732 (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 0-01...
  • Page 41 KDC-MP732 LOADING & SLED SPINDLE MOTOR MOTOR (X92- ) (X92- ) CAUTION : For contin- ued safety, replace SIGNAL LINE safety critical compo- GND LINE B LINE 4ch BTL n e n t s o n l y w i t h 2.4-4.2V...
  • Page 42 KDC-MP732 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 43: Exploded View (Unit)

    KDC-MP732 EXPLODED VIEW (UNIT) SIZE AA BATTERY (Not supplied) M2x2 : N09-6269-05 M2x2.5 : N09-6326-05 DME1 M1.7x2 : N09-6140-05 M2.6x6 : N78-2660-48 (X34) φ2x6 M2x2 : N09-6141-05 : N80-2006-48 W400 φ2x8 M2x2.5 : N09-6142-05 : N80-2008-43 φ1.7x4.5 φ3x5 : N09-6190-05 : N83-3005-48 φ3.05x5.83...

  • Page 44: Parts List

    KDC-MP732 PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref. No.
  • Page 45 KDC-MP732 PARTS LIST SWITCH UNIT (X16-3540-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C26,27 CK73GB1H103K CHIP C 0.010UF K RK73GB2A473J CHIP R J 1/10W C28,29 CK73GB1A105K CHIP C 1.0UF RK73GB2A332J CHIP R 3.3K...
  • Page 46 KDC-MP732 PARTS LIST SWITCH UNIT (X16-3540-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation 2SC2713-F TRANSISTOR C81,82 CC73GCH1H470J CHIP C 47PF 2SC4667-F TRANSISTOR CK73GB1H103K CHIP C 0.010UF K 2SB1198K TRANSISTOR CK73FB0J106K CHIP C 10UF...
  • Page 47 KDC-MP732 PARTS LIST CD PLAYER UNIT (X32-5860-00) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation RK73GB2A104J CHIP R 100K J 1/10W CK73FB0J106K CHIP C 10UF RK73GB2A4R7J CHIP R J 1/10W CK73GB1H103K CHIP C 0.010UF K...
  • Page 48 KDC-MP732 PARTS LIST ELECTRIC UNIT (X34-3730-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C610 CD04AS1C220M ELECTRO 22UF 16WV N80-3010-48 PAN HEAD TAPTITE SCREW C611 CE32CL1C100M CHIP EL 10UF 16WV N83-3020-48 PAN HEAD TAPTITE SCREW...
  • Page 49 KDC-MP732 PARTS LIST ELECTRIC UNIT (X34-3730-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R100-104 RK73GB2A104J CHIP R 100K J 1/10W R212 RK73GB2A473J CHIP R J 1/10W R105 RK73GB2A101J CHIP R J 1/10W R213,214...
  • Page 50 KDC-MP732 PARTS LIST ELECTRIC UNIT (X34-3730-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R629 RK73GB2A123J CHIP R J 1/10W R823 RK73FB2B1R0J CHIP R J 1/8W R630,631 RK73GB2A361J CHIP R J 1/10W W751 R92-1252-05...
  • Page 51 KDC-MP732 PARTS LIST ELECTRIC UNIT (X34-3730-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation IC600 ICL7660SIBAZ ANALOGUE IC CD MECHANISM ASSY (X92-5470-00) (DXM-6680W) IC601-603 NJM4565V-ZB ANALOGUE IC IC750 E-TDA7560A ANALOGUE IC A10-4827-32 CHASSIS IC800...

  • Page 52: Specifications

    Total Harmonic Distortion ....... 0.001% (1kHz) S/N Ratio ............105dB (1kHz) Dynamic Range ............. 93dB KENWOOD follows a policy of continuous advancements in devel- MP3 Decode ..Compliant with MPEG-1/2 Audio Layer-3 opment. For this reason specifications may be changed without WMA Decode ..

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