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Table of Contents
CD RECEIVER
KDC-MP628
QQ
3 7 63 1515 0
KDC-MP7028
KDC-MP728
KDC-MP8029
KDC-W7031/Y
SERVICE MANUAL
Panel assy
KDC-MP628 (A64-3507-12)
System
ATT
VOL
VOL
AUD
AUD
AUTO
AME
MENU
Panel assy
KDC-MP728 (A64-3506-12)
System
ATT
VOL
VOL
AUD
AUD
AUTO
AME
MENU
TE
L 13942296513
Panel assy
KDC-W7031/Y (A64-3508-12)
ATT
System
VOL
VOL
AUD
AUD
TI
AME
MENU
Mounting hardware assy
(J21-9716-03)
* DC cord
(E30-xxxx-xx)
www
.
* DC cord
(E30-6412-05)
KDC-MP628
SCRL
SW
SW
F.
SCAN
RDM
REP
M.RDM
SRC
KDC-MP728
SCRL
SW
SW
F.
SCAN
RDM
REP
M.RDM
SRC
KDC-W7031
SCRL
SW
SW
SCAN
RDM
REP
F.
M.RDM
SRC
Plastic cabinet assy
(A02-2732-03)
* Escutcheon
* Antenna adaptor
(B07-xxxx-xx)
(T90-0523-05)
x
ao
u163
y
i
* Depends on the model. Refer to the parts list.
2 9
8
Panel assy
KDC-MP7028 (A64-3665-02)
AN
ATT
System
C.S.
VOL
VOL
AUD
AUD
FF
FF
AUTO
AME
Panel assy
KDC-MP8029 (A64-3513-12)
AN
ATT
System
C.S.
VOL
VOL
AUD
AUD
FF
FF
AUTO
AME
Q Q
3
6 7
1 3
SPARE TDF PANEL
MAIN UNIT NAME
AN
KDC-MP628
KDC-MP7028
KDC-MP728
KDC-MP8029
PTY
KDC-W7031/Y
FF
FF
* Screw set
(N99-xxxx-xx)
Lever
(D10-4589-04) x2
.
9 4
2 8
© 2005-3 PRINTED IN JAPAN
B53-0266-00 ( N ) 1708
CD MECHANISM EXTENSION
CORD (24P) : W05-0934-00
KDC-MP7028
SCAN
RDM
REP
F.
M.RDM
MENU
KDC-MP8029
SCAN
RDM
REP
F.
M.RDM
MENU
1 5
0 5
8
2 9
9 4
TDF PARTS No.
TDF NAME
Y33-2200-62
TDF-MP75D
Y33-2200-60
TDF-MP75DB
Y33-2200-62
TDF-MP75D
Y33-2200-63
TDF-MP8029
Y33-2200-64
TDF-W7031
* Remote controller assy (RC-527)
(A70-2067-05)
Battery
(Not supplied)
* Tapping screw
(N09-xxxx-xx)
m
co
This product uses Lead Free solder.
9 9
AN
SCRL
SW
SW
C.S.
SRC
FF
FF
AN
SCRL
SW
SW
SRC
FF
FF
2 8
9 9
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Table of Contents
Related Manuals for Kenwood KDC-MP628
Summary of Contents for Kenwood KDC-MP628
- Page 1 KDC-MP7028 KDC-MP728 KDC-MP8029 KDC-W7031/Y SERVICE MANUAL © 2005-3 PRINTED IN JAPAN B53-0266-00 ( N ) 1708 CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 Panel assy Panel assy KDC-MP628 (A64-3507-12) KDC-MP7028 (A64-3665-02) KDC-MP7028 System KDC-MP628 System SCRL SCRL SCAN M.RDM SCAN M.RDM...
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Page 2: Block Diagram
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y BLOCK DIAGRAM 3 7 63 1515 0 AUX IN IC800 Q800,802 SPECTRUM BU5V D3.3V A3.3V REF+B Q402,403 ANALYZER IC500 AM+B PRE OUT FRONT-END Q608-613 IC601-603 A3.3V (FRONT) IC300 PRE OUT IC301,302 IC303 IC305 IC306-308 Q801 (REAR) MUTE E-VOL/... -
Page 3: Components Description
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y COMPONENTS DESCRIPTION 3 7 63 1515 0 ● ELECTRIC UNIT (X34-3xxx-xx) Ref. No. Application / Function Operation / Condition IC10 AUDIO8V REF POWER SUPPLY 1.27V output VFD / Mechanism digital power supply. IC60 SWITCHING REGULATOR CONTROLLER OUT1 : VFD (4.7V), OUT2 : Mechanism digital (5V) - Page 4 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application / Function Operation / Condition MECHA DIGITAL AVR SW When base is “H”, MECHA DIGITAL AVR is turned “OFF” VFD (4.7V) AVR SWITCHING POWER DRIVER Controlled by IC60 and Q61 determines frequency...
- Page 5 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application / Function Operation / Condition TRIANGLE RED LED SW Lights up when base is “H” BLUE LED SW Lights up when base is “H” GREEN LED SW Lights up when base is “H”...
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Page 6: Microcomputer's Terminal Description
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 ● SYSTEM MICROCOMPUTER : IC102 (X34- : ELECTRIC UNIT) Pin No. Pin Name Function Processing Operation VREF Analog reference voltage AVCC LX DATA S Data from slave unit LX DATA M... - Page 7 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Function Processing Operation E2PROM I2C clock MAX 100kHz ON : H (Momentary power down/Panel detached) PON PANEL Panel 5V control 11 Minutes after ACC OFF : Hi-Z...
- Page 8 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Function Processing Operation OEM DISP DATA External display DATA External display OEM DISP CLK External display CLK External display OEM DISP CE External display control request External display Not used.
- Page 9 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Truth Value Table CD MOTOR / CD LOEJ PANEL MECHA CD MOTOR CD LOEJ FULL OPEN FULL CLOSE OTHER Standby Hi-Z PM OPEN Eject PM CLOSE Load Brake Hi-Z RDS AFS...
- Page 10 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Function Processing Operation Data reception from system µ-com SYS DATA UART communication 500kbps PAN DATA Data transmission from panel UART communication 500kbps FL CLK Fruorescent indicator serial communication reference clock Reference clock 4.125MHz...
- Page 11 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Pin Name Function Processing Operation 90~93 Not used Memory data write permission L : Write, H : Wait SW3.3V start up : Hi-Z Memory data transmission permission L : Data transmission, H : Wait SW3.3V start up : Hi-Z...
- Page 12 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 ● MECHANISM MICROCOMPUTER : IC4 (X32- : CD PLAYER UNIT) Processing Operation Pin No. Pin Name Application Remarks Description Not used. Low-fixed E2P_SCL Rom correction E2P I2C clock Not used.
- Page 13 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y MICROCOMPUTER’S TERMINAL DESCRIPTION 3 7 63 1515 0 Processing Operation Pin No. Pin Name Application Remarks Description 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...
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Page 14: Test Mode
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y TEST MODE 3 7 63 1515 0 ● How to enter the test mode ● Special display when set to TUNER In order to enter the test mode, reset the unit while simulta- When in TUNER mode, if any of the following displays appear, neously pressing down [1] and [3] keys. - Page 15 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y TEST MODE 3 7 63 1515 0 ● Audio adjust mode ● MENU items Model with no DSP • Push the [ ] (NEXT) key for at least 1 second to enter the MENU. • By pressing [AUD] key for less than 1 second, the audio •...
- Page 16 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y TEST MODE 3 7 63 1515 0 ● Special display when all lights are on Press for less than 1 second : CD mechanism error log display When all lights are on with the STANDBY source, the follow- During CD mechanism error log display;...
- Page 17 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y TEST MODE 3 7 63 1515 0 3. With all lights turned on and by pressing [AM] key for at 2. When initialization is complete, the following display will be least 1 second, the data on the Flash ROM (4M) is initial- made.
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Page 18: Fm/Am Channel Space Switching
] key : Cursor Left 4. Press [ ] key for at least 3 seconds to display “RE-EN- code (KDC-MP628/MP7028/MP728) TER”. Then, re-enter the code using the method in above 1. While “– – – –” is being displayed, press [ ] key for at No. -
Page 19: Switch Unit
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT X16-2950-1x / X16-3122-72 (J76-0054-02) X16-2950-1x / X16-3122-72 (J76-0054-02) Q4 Q5 R23 R24 CP17 CP12 CP10 CP19 CP11 CP15 CP20 CP14 CP16... -
Page 20: Electric Unit
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 ELECTRIC UNIT X34-3xxx-xx (J76-0053-22) IC750 C630 C617 C612 C613 13 10 9 5 1 2 3 TH750 12 11 7 C757 CN600 R759 R762 D700 C702 D702 D701... - Page 21 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 TH750 C757 R202 C808 Q202 IC10 R201 C807 R803 C806 R805 C805 W201 IC103 IC200 IC451 X34-3xxx-xx C308 Ref. No. Address Ref. No. Address IC10 C309 L 13942296513 IC60 IC80 IC102 IC103 IC200...
- Page 22 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 ELECTRIC UNIT X34-3xxx-xx (J76-0053-22) R811 C804 Q802 R817 R763 IC800 R217 C206 Q209 R609 R208 Q203 R207 C310 C388 R321 D302 R311 D303 L 13942296513 R382 C385 R300...
- Page 23 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 W604 W603 W751 W401 Q609 W608 D401 R619 W612 R613 W607 C636/ W611 W616 C635/W609 C638/ R407 W615 R405 X34-3xxx-xx W610 R406 C637/ R640 Ref. No. Address Ref. No. Address W613 W614 IC100...
- Page 24 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 CD PLAYER UNIT X32-5740-0x (J76-0065-12) CP27 L 13942296513 IC11 R150 X32-5740-0x Ref. No. Address IC11 u163 Refer to the schematic diagram for the values of resistors and capacitors.
- Page 25 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 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 L 13942296513 WAIT CP10 CP9 S7.5V...
- Page 26 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 ELECTRIC UNIT (X34-3xxx-xx) ∗ ∗ ∗ W616 W615 CN600 D608 D609 5V PREOUT R640 C622 AUX COMMON TP608 ∗ C621 R638 R639 C638 10u16 AUX R TP609 P-NL R643 C631 10u16 P-NL 0.47...
- Page 27 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 (E30-6292-15) C334 R342 R350 R367 10u16 2.7K 2.7K 3.3K P-NL ∗ C333 R343 R351 R368 Q612,613 10u16 2.7K 2.7K 3.3K D700 PRE- ∗ MUTE R711 1K C704 0.01 AUDIO D701 BUFFER AMP R308...
- Page 28 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 A3.3V ∗ SW14 R367 3.3K SVR+B R368 ∗ ∗ 3.3K C769 C770 IC306 0.01 0.01 POWER R369 3.3K 8.0V IC750 R370 6.8V 3.3K 6.8V 6.8V R764 R765 TP751 4.3K R772 220 D755 R771 22K R371 3.3K...
- Page 29 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 TP108 RESET IC ∗ ∗ R136 R140 IC100 100K 100K ∗ ∗ ∗ 5.0V R137 R138 W200 TP100 PREOUT 100K 100K ∗ MUTE ∗ D200 D201 CP105 DRIVER R100 Q201 100K ∗ Q200...
- Page 30 POWER DRIVER SWITCHING REGULATOR MD DET FREQUENCY CONTROL (X16-2520-00) SW(IC60) WH100 FL+B PON5V TP80 TP81 4.7uH IC80 FL+B Q80,81 13.4V VFD(57V) R186 MD DET 1.2V AVR SW 2.2K 1.2V SHDN u163 TP111 13.4V : CL2011RXS(BCD) CPT184SCS(CDE) KDC-MP628/MP7028/MP728/MP8029/W7031/W7031Y ( X34-3xxx-xx (5/6)
- Page 31 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 ∗ IC1,5 : XC6204B332MR Q10,20,30,40 : 2SB1565 : S2V60 IC3,4 : NJM2864F05-ZB Q11,12,43,51 : UMC2N : RB160L-40 IC10 : M5237ML-CF0J Q21,45,91 : 2SD2351(W) D21,40,207,302,303,600 IC60 : FA3687V : 2SA1577 : UDZS5.6B IC80 : LT3467A...
- Page 32 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 SWITCH UNIT (X16-xxxx-xx) REMOTE CONTROL VCC 3 SW5V 4.7K ∗ R15 270K 1.35V 3.3V R16 270K LNNF LNIN 2.4V RENF REIN 3.3V RSTC 2.4V BISC RELV SPECTRUM ANALYZER C1 0.01 BLUE LED SW C2 0.01...
- Page 33 TP38 TP39 TP41 TP44 TP45 TP46 TP47 TP43 TP42 TP48 u163 KDC-MP628/MP7028/MP728/MP8029/W7031/W7031Y (2/2) • DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units. X16-2950-1x / X16-3122-72 (2/2)
- Page 34 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 CD PLAYER UNIT (X32-574x-xx) A3.3V S7.5V 2.4-4.2V 4CH BTL DRIVER 2.4-4.2V TP26 SLD+ 1.2-5.5V TP25 SLD+ SPD+ 7.5K 7.5K SLD+ TP28 SLD- 1.2-5.5V TP27 SLD- SPD- C1 1 C2 1 SLD- 7.5V VCC2...
- Page 35 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 A3.3V 2.6-4.2V 2.6-4.2V TP31 SPD+ 1.0-5.0V TP32 SPD+ SPD+ TP33 SPD- 1.0-5.0V TP34 SPD- D3.3V SPD- 7.5V VCC1 R29 1K 0-5.0V MUTE TP35 0-3.0V SPIN TP68 1000P 1.5V TP105 D.GND 4.7K SPIN- TP94 1.5V...
- Page 36 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 3 7 63 1515 0 2SA1774 2SB1565 BA3830F 2SC4081 M5237ML-CF0J DTA123JK DTA124EUA DTC114YUA DTA143TUA DTC143TUA DTC124EUA DTC143ZE DTC144EUA 2SA1576A 2SC2713-F TP93 IOP2 2SC4617 NJM4580V-ZB TP92 IOP1 2SB1188 4.7K UMC2N TP91 C83 0.01 LB1930M-E TP90 TP89 C82 47P ADIN...
- Page 37 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y EXPLODED VIEW (CD MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 M1.7x8.0 : N09-4472-15 M1.7x2.5 : N09-6004-05 : N09-6007-05 M2x2 u163 φ : N09-6051-05 2x5(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5...
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Page 38: Exploded View (Unit)
KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y EXPLODED VIEW (UNIT) 3 7 63 1515 0 741 (only for Euro models) (for RM1) M2x2 : N09-6269-05 M2x2.5 : N09-6326-05 DME1 M1.7x2 : N09-6140-05 M2.6x6 : N78-2660-48 φ2x6 M2x2 : N09-6141-05 : N80-2006-48 (X34) φ2x8 W400 M2x2.5... -
Page 39: Parts List
✽ H54-3343-03 INST. MANUAL (SPA, POR) ITEM CARTON CASE (KDC-MP728) K2 1C ✽ B07-3125-01 ✽ H54-3344-03 ESCUTCHEON M1E1 ITEM CARTON CASE (KDC-MP628) K3 1C ✽ B07-3125-01 ✽ H54-3346-03 ESCUTCHEON K4E2 ITEM CARTON CASE (KDC-W7031Y) E1 1C ✽ B07-3126-01 ✽ H54-3347-03... - Page 40 CHIP C 0.010UF K E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 41 CHIP C 22UF E1E2 E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
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Page 42: Electric Unit (X34-3Xxx-Xx)
CHIP C 1.0UF E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe) - Page 43 ELECTRO 100UF 16WV E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 44 CHIP R J 1/10W E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 45 CHIP R J 1/10W K4 E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 46 ZENER DIODE M1E1E2 E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 47 2SA1774 TRANSISTOR M1K4 E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 48 GEAR D13-2158-04 GEAR E1 : KDC-W7031Y E2 : KDC-W7031 K2 : KDC-MP728 Indicates safety critical components. K3 : KDC-MP628 K4 : KDC-MP7028 M1 : KDC-MP8029 (E : Europe K : North America M : Other Areas W : Without Europe)
- Page 49 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y PARTS LIST 3 7 63 1515 0 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.
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Page 50: Specifications
..... 182 x 53 x 155mm (7-3/16 x 2-1/16 x 6-1/10 inch) Usable Sensitivity (S/N : 20dB) ........45µV Weight ............1.50kHz (3.31lbs) KENWOOD follows a policy of continuous advancements Laser Diode ............... GaAlAs in development. Digital Filter (D/A) ......8 Times Over Sampling For this reason specifications may be changed without notice.