Table of Contents
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CD RECEIVER
KDC-MP2028
KDC-MP228
KDC-MP3029
KDC-MP4029/G
SERVICE MANUAL
PANEL ASSY
KDC-MP2028 (A64-3442-02)
VOL
AUD
SET UP
MENU
FF
SCAN
PANEL ASSY
KDC-MP3029 (A64-3465-02)
VOL
AUD
SET UP
MENU
FF
SCAN
MOUNTING HARDWARE ASSY
(J21-9716-03)
DC CORD
(E30-6415-15)
* Depends on the model. Refer to the parts list.
External Media Control
/C.S.
RDM
REP
F.SEL
M.RDM
DISP
RDM
REP
F.SEL
PLASTIC CABINET ASSY
(A02-2736-03)
* ESCUTCHEON
LEVER
(B07-xxxx-xx)
(D10-4589-04) x2
© 2004-12 PRINTED IN JAPAN
B53-0229-00 ( N ) 1033
PANEL ASSY
KDC-MP228 (A64-3443-02)
VOL
AUD
SET UP
MENU
FF
SCAN
PANEL ASSY
KDC-MP4029
(A64-3447-02)
KDC-MP4029G (A64-3464-02)
VOL
AUD
SET UP
FF
SCAN
MENU
* REMOTE CONTROLLER ASSY (RC-517)
(A70-2069-05)
SCREW SET
(N99-1757-05)
SPARE TDF PANEL
MAIN UNIT NAME
TDF PARTS No.
KDC-MP2028
Y33-2120-63
KDC-MP228
Y33-2120-64
KDC-MP3029
Y33-2130-62
KDC-MP4029
Y33-2130-60
KDC-MP4029G
Y33-2130-61
This product uses Lead Free solder.
External Media Control
/C.S.
RDM
REP
F.SEL
M.RDM
External Media Control
DISP
RDM
REP
F.SEL
M.RDM
BATTERY
(Not supplied)
SCREW (4x16)
(N84-4016-48)
TDF NAME
TDF-MP52DB
TDF-MP52D
TDF-MP3029
TDF-MP4029
TDF-MP4029G
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Table of Contents
Related Manuals for Kenwood KDC-MP2028
Summary of Contents for Kenwood KDC-MP2028
- Page 1 CD RECEIVER KDC-MP2028 KDC-MP228 KDC-MP3029 KDC-MP4029/G SERVICE MANUAL © 2004-12 PRINTED IN JAPAN B53-0229-00 ( N ) 1033 PANEL ASSY PANEL ASSY KDC-MP2028 (A64-3442-02) KDC-MP228 (A64-3443-02) External Media Control External Media Control /C.S. /C.S. SET UP SET UP MENU SCAN F.SEL...
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Page 2: Block Diagram
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G BLOCK DIAGRAM ELECTRIC UNIT (X34-) L506 FM AGC AM+B Q501 Q351,352 AM AGC PRE MUTE PRE OUT IC10 FM (J/K Type) : 1800mV FM (E Type) 1372mV AM (J/K Type) 600mV MPX OUT SERVO AM (E Type) 855mV... -
Page 3: Components Description
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-3400-xx) Ref. No. Application / Function Operation / Condition SYSTEM µ-COM System control. POWER SUPPLY DC5Vx2, 7.9Vx1, 8.1Vx1, 10.3V, P.CON, P-ANT output. POWER IC Audio signal amplifier. MUTE LOGIC Mute control. RDS DECODER For other models. -
Page 4: Daughter Unit (X89-2690-10)
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G COMPONENTS DESCRIPTION Ref. No. Application / Function Operation / Condition SELECTOR (SERIAL DATA) Serial audio data switch. DAC 3.3V AVR 3.3V power supply for IC2. LEVEL SHIFT 3.3V to 5.0V. Q3~7 LEVEL SHIFT 3.3V to 5.0V. AUTOMATIC POWER CONTROL LD driver. -
Page 5: Microcomputer's Terminal Description
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G MICROCOMPUTER’S TERMINAL DESCRIPTION SYSTEM µ-COM : IC1 on X34- (ELECTRIC UNIT) Active Pin No. Pin Name Application Processing Operation (H/L) DC ERR DC offset detection input LINE MUTE Phone detection NAVI MUTE : Over 2.5V, TEL MUTE : Below 1V... - Page 6 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G MICROCOMPUTER’S TERMINAL DESCRIPTION Active Pin No. Pin Name Application Processing Operation (H/L) BU exists : L BU DET Momentary power-down detection BU does not exist (Momentary power-down) : H PS2-2 Power supply control output Refer to “POWER IC CONTROL” on the TRUTH TABLE...
- Page 7 TYPE 2 General models commercially-designated as pure KENWOOD brand (Initial value) Initial value setting General models commercially-designated as pure KENWOOD brand (CRSC is changed) Multi-Path Band-Path Gain=12dB, Multi-Path Charge Current=0.4µA, De-Emphasis=75µS • POWER SUPPLY IC (IC3) CONTROL • CD MECHA CONTROL OPERATION SEL1 (Pin No.
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Page 8: Cd Mechanism Μ-Com : Ic1 On X32- (Cd Player Unit)
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G MICROCOMPUTER’S TERMINAL DESCRIPTION CD MECHANISM µ-COM : IC1 on X32- (CD PLAYER UNIT) Active Pin No. Pin Name Application Processing Operation (H/L) VREFL Reference power supply input terminal for ADC (L). AVSS GND terminal for ADC. AVCC Power supply terminal for ADC. - Page 9 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G MICROCOMPUTER’S TERMINAL DESCRIPTION Active Pin No. Pin Name Application Processing Operation (H/L) L : Correction is possible. FLAGIN C2Err impossibility detection. H : Correction is impossible. 51~61 DVSS GND. Non-maskable interrupt request. DVCC Power supply terminal. 65~77 NC/BOOT Mask : Not connected.
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Page 10: Test Mode
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G TEST MODE How to enter the test mode PRESET • When pressed for less than 1 second : CD EJECT While simultaneously press PRESET “1” key and PRESET “3” “5” key number display key, press “RESET” button. (Display) : EJC x x x x x... -
Page 11: Special Mode
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G SPECIAL MODE Security (KDC-MP2028/MP228/MP4029/MP4029G only) DC offset error detection confirmation mode • How to enter the forced POWER ON mode Confirmation mode : While depressing PRESET “3” key and PRESET “6” key While “– – – –” is being displayed, while simultaneously simultaneously, press on the “RESET”... - Page 12 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G ADJUSTMENT After replacing the following parts, adjust as follows. 1st AM MIX / 2nd AM MIX ADJUSTMENT ADJUSTMENT POINT : L508 (1st AM MIX) / L509 (2nd AM MIX) REPLACED PARTS ADJUSTMENT ITEMS VOLTAGE VALUE CHECK POINT : S-METER check land (X34-) Ref.
- Page 13 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT X16-2930-xx (J76-0055-02) SWITCH UNIT X16-2930-xx (J76-0055-02) PAN-SW5V FL-SW9.8V LED+B PAN5V FL+B X16-2930-xx X16-2930-xx DATAS Ref. No. Address Ref. No. Address REMO RTRY-CCW TDF-DET ESD-GND Refer to the schematic dia- gram for the values of resis- tors and capacitors.
- Page 14 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G PC BOARD (FOIL SIDE VIEW) ELECTRIC UNIT X34-3400-xx (J76-0048-12) DAUGHTER UNIT X89-2690-10 (J76-0057-02) J1/L51 W351 W352 W423 R230 R229 R226 R225 W101 W398 W405 W406 W346 R222 R221 R273 R252 R257 R251 R271 Q252 W333 W340 W318 L101...
- Page 15 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G W312 W335 2 3 4 8 12 11 13 W251 C256 W252 C257 C258 C255 R254 R253 Q352 Q351 C521 W346 R257 L505 L518 C303 C525 L600 W331 C507 D503 L501 L520 W333 Q330 W317 W306 W323 C516...
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Page 16: Pc Board (Component Side View)
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5500-00 (J74-1552-12) RFOK CP12 CP13 CP15 MIACK X32-5500-00 Ref. No. Address Refer to the schematic diagram for the values of resistors and capacitors. - Page 17 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5500-00 (J74-1552-12) Vref FLAG HOLD MIRR LOCK TRK IN TRK OUT FCS DOWN FCS UP C22 C23 D3.3V DAVdd3.3V SDIO BCKIA 12EJE A.+8V LRCKIA /EJECT SLED IN SLED OUT A.GND...
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Page 18: Electric Unit (X34-3Xxx-Xx)
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G DAUGHTER UNIT (X89-2690-10) ELECTRIC UNIT (X34-3xxx-xx) 2-PREOUT MUTE L602 C221 R229 R221 10u16 Q221 CN91 CN90 4.7K L509 MUTE CF51 CF52 2 VDD L508 Q222 CF53 10.700MHz 10.700MHz Q225 10.700MHz W101 4.7K C222 R230 R222 10u16 CF54 450.000kHz... - Page 19 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G L602 D203 C201 0.01 3,43 TP404 MUTE LOGIC CF54 000kHz S-METER 4.5V ∗ R431 C565 TP408 ∗ R471 ∗ R470 C512 2.2K 10u16 5.0V TUN SMETER TP411 0.5V or RDS NOISE TUN SD 5.0V TYPE 1 LX RST 1.6V...
- Page 20 D203,259,260 1SS133 R252 TP31 D401 B30-1567-05 Q252 D501 RN739F D502,503 KP2311ETR-G D504 KV1430STL-G CONTROL STBY D506 HVC383B-E SIGNAL LINE R141 R140 R139 R138 R137 R136 R135 GND LINE FL+B B LINE KDC-MP2028/MP228/MP3029/MP4029/MP4029G (1/2) UMC2N DAN202U DA204U TC7SH08FU DTA114YUA X34-3400-xx (3/4)
- Page 21 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G (X34-3xxx-xx) CATEGORY/ DESTI- C333, C605, D72, MODEL NAME X34-340x-xx X34-341x-xx X34-365x-xx C152 C255 C526 C604 606 CN3 D162 D260 Q151 FUNCTION NATION E303/S 0-01 YES YES YES YES YES YES YES YES 784225GC256A KDC-MP2028 0-10 YES YES YES YES YES...
- Page 22 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G SWITCH UNIT (X16-293x-xx) ANODE CONNECTION 3GA,3GB 1GA,1GB NAME — col (Downside) (3GB/1GB/3GA/2G) R80 33 R82 33 col (Upside) — — — — — REMOTE ∗ SW5V SENSOR (14-SEGMENT) KEY MATRIX DISP ∗ Q or EQ EJECT 100K PANEL...
- Page 23 KRA302E-P or RT1P141U D31-33,37-39,43-45,49-51,70 B30-1567-05 (COLOR:RED) D34-36,40-42,46-48,52-54 Refer to the parts list. ∗ D61-65 D71-77 UDZS5.6B or 02DZ5.6F-Y : DA204U ∗ GND LINE B LINE ∗ ∗ ∗ GREEN ∗ LED SW LED SW 2.2K 2.2K KDC-MP2028/MP228/MP3029/MP4029/MP4029G (2/2) X16-2930-xx (2/2)
- Page 24 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G CD PLAYER UNIT (X32-5500-00) LEVEL SHIFT (DA) 0V (3.3V 5.0V) IOP1 IOP2 R34 4.7K (MP3) 0/3.3V C28 10 LEVEL SHIFT (3.3V 5.0V) 16.00MHz R35 100K 3.3V 0.2V 100K RESET 3.3V 3.8/0V 3.3V AVDD1 DGND1 2.4/0V 1000P 3.3V RFOK RFOK 3.3V...
- Page 25 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G Q9,10 Vref DPU1(X92- ) 1.7Vp-p 390K OPTICAL 6800P PICKUP 0.3Vp-p 1.65V 1.65V RF2- 1.65V 1.0Vp-p FCS+ 1.0Vp-p TRK+ 3.9K TRK- 1.7Vp-p 3.3V FCS- 3300P ADVDD 3.3V 1.65V 0.01 3.0/0.3V 0.01 ADGND 91CW12AFG-5AR1 3.3/0V UPD63712GC TEST0 RF AMP/SERVO TC94A20F-010...
- Page 26 KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G 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.
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Page 27: Exploded View (Unit)
KDC-MP2028/MP228/MP3029 KDC-MP4029/MP4029G EXPLODED VIEW (UNIT) DME1 : N29-0205-04 : N80-2006-48 : N80-2008-43 : N83-3005-48 : N86-2610-48 : N80-3010-48 : N83-3005-48 : N83-3020-48 : N86-2606-48 (X34) (X89-) (X16-) (X34-) Depends on the model. Refer to the parts list. Parts with the exploded numbers larger than 700 are not supplied. -
Page 28: Parts List
J 1/10W H25-0329-04 PROTECTION BAG (280X450X0.03) R15-17 RK73GB2A471J CHIP R J 1/10W H25-0337-04 PROTECTION BAG (180X300X0.03) H54-3286-03 ITEM CARTON CASE (KDC-MP2028) K1 RK73GB2A102J CHIP R 1.0K J 1/10W H54-3287-03 ITEM CARTON CASE (KDC-MP228) K2 RK73GB2A471J CHIP R J 1/10W RK73GB2A104J... - Page 29 J 1/10W CK73GB1H332K CHIP C 3300PF RK73GB2A104J CHIP R 100K J 1/10W K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America M : Other Areas...
- Page 30 CC73GCH1H680J CHIP C 68PF 2SK3018F C510 CC73GCH1H101J CHIP C 100PF K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America M : Other Areas...
- Page 31 FM OSCILLATING COIL C623,624 CK73GB1H103K CHIP C 0.010UF K L508 L30-0776-15 FM IFT K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America M : Other Areas...
- Page 32 RK73GB2A104J CHIP R 100K 1/10W R368,369 RK73GB2A471J CHIP R 1/10W K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America M : Other Areas...
- Page 33 MC2848 DIODE W61-63 R92-2053-05 CHIP R 0 OHM J 1/8W AM01ZNF DIODE K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America M : Other Areas...
- Page 34 Q252 2SA1603A TRANSISTOR Q330 DTA124EUA DIGITAL TRANSISTOR G01-3072-04 EXTENSION SPRING K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America M : Other Areas...
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Page 35: Mechanism Unit (X92-4850-00)
SEMS (TAPTITE SCREW) (PT2X6) T42-1066-04 DC MOTOR (SPINDLE) T42-1067-04 DC MOTOR (LOADING) DPU1 X93-2010-00 OPTICAL PICKUP ASSY K1 : KDC-MP2028 K2 : KDC-MP228 M : KDC-MP4029 M7 : KDC-MP4029G M8 : KDC-MP3029 Indicates safety critical components. (E : Europe K : North America... -
Page 36: Specifications
(Height) ............53mm (Depth) ............155mm Weight ............... 1.40kg (3.1 lbs) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan KENWOOD USA CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.