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Kenwood KDC-MP832U Service Manual
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Kenwood KDC-MP832U Service Manual

Cd receiver
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Download this manual See also: Instruction Manual
CD RECEIVER
KDC-MP832U
SERVICE MANUAL
TDF PANEL INFORMATION
MODEL
TDF PANEL No.
KDC-MP832U
Y33-2530-61
ATT
VOL
AUD
SET UP
DC cord
(E30-6414-05)
Carrying case
(W01-1661-05)
Lever
(D10-4589-04) x2
TDF NAME
TDF-MP68D
Panel assy
(A64-3737-02)
USB
RDM
AUTO
AME
MENU
S.MODE
SCAN
A.RDM
Remote controller assy
(A70-2067-15)
RC-527
Compact disc
(W01-1673-05)
Screw set
(N99-1758-05)
© 2006-4 PRINTED IN JAPAN
B53-0397-00 ( N ) 589
CD MECHANISM EXTENSIONCORD (30P) : E39-0812-05
KDC-MP832U
REP
F.SEL
M.RDM
SIZE AA BATTERY
(Not supplied)
Mounting hardware assy
(J21-9716-03)
Tapping screw
(N09-6280-05)
This product uses Lead Free solder.
FM
SCRL
ANG
PTY/C.S.
AM
SW
FF
Escutcheon
(B07-3126-01)

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Summary of Contents for Kenwood KDC-MP832U

  • Page 1 CD RECEIVER KDC-MP832U SERVICE MANUAL © 2006-4 PRINTED IN JAPAN B53-0397-00 ( N ) 589 TDF PANEL INFORMATION CD MECHANISM EXTENSIONCORD (30P) : E39-0812-05 MODEL TDF PANEL No. TDF NAME KDC-MP832U Y33-2530-61 TDF-MP68D Panel assy (A64-3737-02) KDC-MP832U SCRL PTY/C.S. AUTO MENU S.MODE...

  • Page 3: Block Diagram

    KDC-MP832U 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 Switch...
  • Page 4 KDC-MP832U COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-4100-11) Ref. No. Application / Function Operation / Condition / Compatibility IC10 Audio8V Ref Power Supply Output 1.27V. IC80 Switching Regulator Power supply for VFD. (57V) IC100 Reset IC “L” when detection voltage goes below 3.6V or less.
  • Page 5 KDC-MP832U COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition / Compatibility Q202 Acc Detect SW When Q202’base gose Hi, Acc voltage is detected. Q204 Surge Detect SW When Q204’base goes Hi, Surge voltage is detected. Q205 B.U Detected SW When Q35’base gose Hi, B.U voltage is detected.
  • Page 6 KDC-MP832U 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 leve goes “H”...
  • Page 7 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER 30625MGPA87GP (X34- : IC102) Truth Pin No. Pin Name Module Application Processing/Operation/Description value table µCOM VREF A/D analog reference voltage µCOM AVCC LX_DATA_S LX_M Data from slave unit LX_DATA_M LX_M Data to slave unit...
  • Page 8 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing/Operation/Description value table Inter-panel communication data input PAN_DATA toPANEL Data input (MAX500kbps) terminal µCOM Communication request terminal from SYS_REQ toPANEL system µ-com Communication request terminal from PAN_REQ toPANEL panel...
  • Page 9 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing/Operation/Description value table CD_MUTE_L CD MUTE (Lch) request terminal L: Lch mute request CD mechanism µ-com RST terminal CD_MRST H: Normal, L: RESET H: Mechanism µ-com in operation CD mechanism µ-com stop terminal CD_MSTOP L: Mechanism µ-com stop...
  • Page 10 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION Truth Pin No. Pin Name Module Application Processing/Operation/Description value table H: For 5 seconds at POWER OFF (PWIC_SVR) PWIC SVR discharging circuit momentary power down, L: Thereafter L: While STANDBY source, momentary PWIC_MUTE PWIC Power ICMUTE terminal...
  • Page 11 Hi-Z Normal reception t TUN TYPE setting y DESTINATION TYPE type1 type2 Destination TYPE1 TYPE2 TYPE3 TYPE4 Kenwood brand model KDC-X890 Setting for OEM 1 KDC-MP832U Setting for OEM 2 KDC-X9533U Setting for OEM 3 DPX701U DPX701UY KDC-W7534U KDC-W7534UY U717...
  • Page 12 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION PANEL MICROCOMPUTER 703134AGJ011A (X16- : IC4) Pin No. Pin Name Application Processing/Operation/Description D14~D8 Data input/output 3.3VDD 3.3V 10~17 D7~D0 Data input/output Control lighting time (brightness tone) with the pulse interval FLGCP1 FL tone control GCP=FLGCP1+FLGCP2 Output L fixed System µ-com communication request input...
  • Page 13 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing/Operation/Description CLK_IN2 Serial sync clock input Sync to FL_CLK FL_LAT FL latch control FL_DATA3 FL serial control data SI3 3.3VDD 57,58 X2,X1 Clock input 6.6MHz, internally 66MHz CVSS CKSEL Clock generator operational mode input Direct connection to GND VDD connection when the main clock is 5.5MHz or above...
  • Page 14 KDC-MP832U MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing/Operation/Description Memory data transmission permission L: Send data, H: Wait, Hi-Z when starting up at SW3.3 96,97 Not used Output L fixed 3.3VDD Repeat H and L before finalizing For product technology implementation...
  • Page 15 KDC-MP832U 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 16 KDC-MP832U 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...

  • Page 17: Test Mode

    KDC-MP832U TEST MODE • “TNE2P_NG” : Front-end E2PROM values are still default How to enter the test mode (not determined). In order to enter the test mode, reset the unit while simulta- • “TNCON_NG” : In this condition, the communication with neously pressing down [1] and [3] keys.
  • Page 18 KDC-MP832U TEST MODE FUNCTION MODE and SETUP MODE are included. 2-ZONE (Dual Zone) items • By pressing [AUD] or [FM] key briefly, switch the item to be • When using sources other than the STANDBY source, us- adjusted in the following order. (only in forward rotation)
  • Page 19 KDC-MP832U TEST MODE [3] key Key pressed briefly : Power ON time is displayed. Key pressed briefly : Forced Power OFF data displayed. During Power On time display, by pressing for at least 2 While the forced power OFF data is displayed, press and seconds, the Power ON time is cleared.
  • Page 20 KDC-MP832U TEST MODE ↓ If the manufacture code is normal, by pressing [AM] key for Displays CD time code count error data (missing count). less than 1 second, the connection checks on all terminal [FM] (Display) Count_Lose is started. If the connections are normal, the FROMCHK (Display) __CDDA_ : xx terminal stops the Hi →...
  • Page 21 KDC-MP832U TEST MODE When all initialization NG. Clearing backup/installer memory and CD mecha- nism information, and service information. Clear- C D _ E 2 P _ _ _ : A U D I O _ E 2 P : ing E2PROM data.
  • Page 22 KDC-MP832U TEST MODE Press the remote control [7] key 2 times, display “R”, and 3. Using [FM] / [AM] / [ ] / [ ] keys, enter the code. press the [ ] key. [FM] key : Number up / [AM] key : Number down 3.
  • Page 23 KDC-MP832U DC OFFSET ERROR Cancel Condition Other • Press the Reset terminal on the main body. or set Backup • Function for checking and clearing data in E2PROM by a to OFF (Unplug and plug back in the DC connector).
  • Page 24 KDC-MP832U 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 25 KDC-MP832U 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 26 KDC-MP832U PC BOARD (COMPONENT SIDE VIEW) ELECTRIC UNIT X34-4100-11 (J76-0168-02) R146 C765 C766 C630 IC750 R752 R759 R762 R766 CN600 C763 C760 C764 C767 C754 C755 C756 C805 C702 L400 R609 C752 C753 C604 C800 R801 C300 R805 D803 C802...
  • Page 27 KDC-MP832U X34-4100-11 Ref. No. Address IC10 IC80 IC102 IC103 IC10 R202 IC200 R201 IC300 C805 IC450 IC451 IC200 IC600 R801 IC601 R805 D803 IC602 Q801 Q209 IC603 R216 R809 D804 R807 IC750 R217 R220 R803 R808 R804 IC901 IC951 C801...
  • Page 28 KDC-MP832U PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-4100-11 (J76-0168-02) C803 R811 R212 R213 C773 C775 C772 C774 TP19 W754 C780 C782 C771 C768 R205 TP600 IC800 TP750 R983 R101 TP112 TP61 R102 R187 TP100 R103 R104 R181 R113 TP101...
  • Page 29 KDC-MP832U X34-4100-11 Ref. No. Address IC100 IC104 IC400 IC800 D704 D703 W401 R404 Q100 TP613 Q101 Q201 TP750 Q204 Q403 Q205 Q207 TP614 Q402 Q403 Q600 Q601 Q602 W200 Q603 Q604 Q605 RFGND Q608 Q609 Q610 Q611 Q612 Q613 Q800...
  • Page 30 KDC-MP832U 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 R370...
  • Page 31 KDC-MP832U 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 32 KDC-MP832U PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-3540-14 (J76-0054-22) X16-3540-14 (J76-0054-22) CP15 CP11 CP19 CP17 CP12 CP10 CP20 CP14 CP16 CP13 CP18 CP22 CP24 CP26 CP29 X16-3540-14 X16-3540-14 CP25 CP30 Ref. No. Address Ref. No.
  • Page 33 KDC-MP832U (X34-410x-xx) PRE OUT CORD PRE OUT CORD BU14.4V ANT. ∗ ∗ ∗ E30-6435/ E30-6436 E30-6437 L400 AUX COMMON AUX COMMON TUN GND AUX R REAR L AUX R REAR/SUB L W401 AUX L AUX L FRONT L REAR R...
  • Page 34 KDC-MP832U BU14.4V BU14.4V A GND A GND REQ M B.U. REQ S 10 DATA S MUTE DATA M A GND C105 C704 0.01 TP108 0.01 R711 IC100 D703 TP803 3.3V 0 or 1.6 or 5.0V 0~5.0V TP100 5.0V D701 D704...
  • Page 35 KDC-MP832U 3 4 5 A GND A GND A GND 3.3V R301 TP750 L101 4.0V BU5V 4.7uH TP108 C113 R335 C308 2.2u50 0.01 SACLK 3.3V R336 C309 SARES 2.2u50 3.3V SAOUT C310 0.47 SAIN TUNERR C364 REF5V5 C311 0.47 2.2u50 TUNERL ∗...
  • Page 36 KDC-MP832U to DC CORD SVR+B SVR+B F1 10A FUSE IC750 TAB1 PWGND1 C764 C760 OFFDET C750 D750 6.8V R760 OUT2- STBY R759 10K D751 6.8V OUT2+ C782 C768 TP18 D752 6.8V 14.4V C771 C780 OUT1- VCC1 D753 C752 6.8V R755...
  • Page 37 • DC voltages are as measured with a high impedance voltme- ter. Values may vary slightly due SW14V to variations between individual instruments or/and units. KDC-MP832U (1/2) X34-4100-11 (5/5)
  • Page 38 KDC-MP832U 128X23 Pixels/2 Colors IC10 (X16-354x-xx) 0.047 CORRECTION NOT USED REMOTE R58 2.2K CONTROL SENS FL3.3V BUFF FL BLK 3.3V 100K 2.5V VCC 3 3.3V 2.2K TEST 4.7K 3.3V C2 0.01 C6 0.01 BLUE SW 0.01 ∗ GREEN SW 3.3V C3 0.01...
  • Page 39 • DC voltages are as measured with a MENU high impedance voltmeter. Values may AUTO PLAY vary slightly due to variations between individual instruments or/and units. EJECT TP40 TP34 TP35 TP36 TP37 TP38 TP39 TP41 TP44 TP45 TP46 TP47 TP43 TP42 TP48 KDC-MP832U (2/2) X16-3540-14 (2/2)
  • Page 40 KDC-MP832U 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 DATA TP70 5.0V 4.7K DATA BU3.3V TP69 5.0V L ch TP68 TP67 A.GND AGND...
  • Page 41 KDC-MP832U IC16 COMPRESSION BU3.3V AUDIO CODEC SDRAM 3.3V VSS3 VDD1 DQ15 R300 68 DECODER SOFTWARE & UNIQUE ID STORAGE VSSQ4 3.3V VDDQ1 FLASH ROM DQ14 CP300 68 11.500MHz DQ13 IC17 RESET VDDQ4 TP29 3.3V DQ12 BYTE DQ11 VSS2 VSSQ1 3.3V...
  • Page 42 KDC-MP832U Q9,10 ANTICIPATION SUB-BEAM DELAY R369 C318 1000P CP302 SW3.3V IC28 VSS3 CLOCK 3.3V 3.3V DQ15 SSQ4 6800P DQ14 3.3V DQ13 3.3V R302 DQ12 270K VREF DQ11 3.0Vp-p 100K SSQ3 C316 3.3V CP303 100 1.7V 0.01 4.7K 1.8V DQ10 AUTO POWER 3.3V...
  • Page 43 KDC-MP832U TP75 2SB1443 DAP202U DA204K TP76 DA204U TP77 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- 2SA1774 M5237ML-CF0J TP82 FCS+ FCS+ 2SC4081 DA : 1.7V TP83 ROM : 0V...
  • Page 44 KDC-MP832U EXPLODED VIEW (CD MECHANISM) DPU1 DFPC1 (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 : N19-2163-04 M2x2 : N39-2020-46 φ 2x3.5 : N09-6108-15 φ : N09-6155-15 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 45 KDC-MP832U EXPLODED VIEW (UNIT) DME1 SIZE AA BATTERY (Not supplied) M2x2 : N09-6269-05 M2.6x6 : N78-2660-48 (X34) φ2x6 M1.7x2 : N09-6140-05 : N80-2006-48 W400 φ2x8 M2x2 : N09-6141-05 : N80-2008-43 φ3x5 M2x2.5 : N09-6142-05 : N83-3005-48 φ1.7x4.5 φ3x8 : N09-6190-05 : N83-3008-48 φ3.05x5.83...

  • Page 46: Parts List

    KDC-MP832U 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 47 KDC-MP832U PARTS LIST SWITCH UNIT (X16-3540-14) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C6-8 CK73GB1H103K CHIP C 0.010UF K RK73FB2B271J CHIP R J 1/8W CK73GB1A105K CHIP C 1.0UF RK73GB2A333J CHIP R J 1/10W...
  • Page 48 KDC-MP832U PARTS LIST SWITCH UNIT (X16-3540-14) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation 2SB1689 TRANSISTOR CK73GB1A105K CHIP C 1.0UF 2SA1774 TRANSISTOR CK73GB0J475K CHIP C 4.7UF DTC143ZE DIGITAL TRANSISTOR CK73GB1H473K CHIP C 0.047UF K...
  • Page 49 KDC-MP832U PARTS LIST CD PLAYER UNIT (X32-5830-00) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation RK73GB2A101J CHIP R J 1/10W R148 RK73GB2A103J CHIP R J 1/10W RK73GB2A220J CHIP R J 1/10W R151 RK73GB2A102J CHIP R 1.0K...
  • Page 50 KDC-MP832U PARTS LIST CD PLAYER UNIT (X32-5830-00) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation 2SB0970 TRANSISTOR C404 CC73GCH1H331J CHIP C 330PF DTC114YE DIGITAL TRANSISTOR C405 CD04AS1V100M ELECTRO 10UF 35WV DTC114YUA DIGITAL TRANSISTOR C407...
  • Page 51 KDC-MP832U PARTS LIST ELECTRIC UNIT (X34-4100-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C901 CC73GCH1H680J CHIP C 68PF RK73FB2B102J CHIP R 1.0K J 1/8W C902 CK73GB1H332K CHIP C 3300PF RK73FB2B152J CHIP R 1.5K...
  • Page 52 KDC-MP832U PARTS LIST ELECTRIC UNIT (X34-4100-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R200 RK73EB2E473J CHIP R J 1/4W R614 RK73GB2A103J CHIP R J 1/10W R201 RD14DB2H332J-T SMALL-RD 3.3K J 1/2W R615 RK73GB2A223J...
  • Page 53 KDC-MP832U PARTS LIST ELECTRIC UNIT (X34-4100-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R804 RK73GH2A472D CHIP R 4.7K D 1/10W D200 DAP202U DIODE R805,806 RK73GB2A102J CHIP R 1.0K J 1/10W D202 UDZS6.2B ZENER DIODE...
  • Page 54 KDC-MP832U PARTS LIST ELECTRIC UNIT (X34-4100-11) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation 2SB1565 TRANSISTOR D10-4585-03 2SB1184 TRANSISTOR D10-4586-13 SLIDER Q32,33 2SC4081 TRANSISTOR D10-4587-52 SLIDER UMC2N TRANSISTOR D10-4588-13 SLIDER 2SB1565 TRANSISTOR D10-4595-04 2SB1443...
  • Page 55 KDC-MP832U 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 56: Specifications

    AAC decode ........... AAC-LC “.m4a” files USB Interface USB Standard ............. USB1.1/2.0 Maximum Supply current ........... 500mA KENWOOD follows a policy of continuous advancements File System ............FAT16/32 in development. For this reason specifications may be changed without notice. MP3 decode ..Compliant with MPEG-1/2 Audio Layer-3 WMA decode ....

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