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10
WA002<Rev.001>
2011
SERVICE MANUAL
B53-0894-00
KDC-202U, KDC-252U, KDC-3054UG, KDC-3054UR,
KDC-3054URY, KDC-316UR, KDC-3254URY, KDC-3354UGY,
KDC-3454UQ, KDC-3554UGM, KDC-3554URM, KDC-4054UB,
KDC-4054UR, KDC-MP152U, KDC-MP2052U, KDC-MP252U,
Tuner setting adjustment after replacing E2PROM
After replacing E2PROM (IC771 on ELECTRIC UNIT), tuner
setting adjustment is needed.
The adjustment is that to perform the "TUNER Setting
Adjustment Mode" in the TEST MODE.
Illustration is KMR-350U
M. sleeve assy
(GE34826-001A)
Tap screw (2x8)
(QYSPSF2008MA)
COPYRIGHT © 2011 JVC KENWOOD Corporation
B53-0894-00
SERVICE MANUAL
CD RECEIVER
KDC-U3553, KMR-350U
DC cord
(QAM13xx-001)
Screw set
(GE40536-001A)
COPYRIGHT © 2011 JVC KENWOOD Corporation
TDF SPARE-PANEL
MAIN UNIT NAME TDF PARTS No.
KDC-202U
KDC-252U
KDC-3054UG
KDC-3054UR
KDC-3054URY
KDC-316UR
KDC-3254URY
KDC-3354UGY
KDC-3454UQ
KDC-3554UGM
KDC-3554URM
KDC-4054UB
KDC-4054UR
KDC-MP152U
KDC-MP252U
KDC-U3553
KMR-350U
DC cord
Carrying case
(QAM13xx-001)
(GE40521-001A)
Hook
(GE40578-001A) x2
This product complies with the RoHS directive for the European market.
Y33-3530-10
Y33-3520-10
Y33-3532-72
Y33-3532-71
Y33-3532-74
Y33-3532-73
Y33-3532-75
Y33-3532-77
Y33-3532-76
Y33-3530-23
Y33-3530-22
Y33-3522-71
Y33-3522-72
Y33-3530-11
Y33-3520-12
Y33-3530-21
Y33-3520-11
Remocon unit (RC-405)
(QAL1303-001)
Hard case assy
Trim plate
(GE34332-002A)
(GE20xxx-xxxA)
This product uses Lead Free solder.
No.WA002<Rev.001>
TDF NAME
TDF-1220D
TDF-1225D
TDF-3054UG
TDF-3054UR
TDF-3054URY
TDF-316UR
TDF-3254URY
TDF-3354UGY
TDF-3454UQ
TDF-3554UGM
TDF-3554URM
TDF-4054UB
TDF-4054UR
TDF-MP1215D
TDF-MP1225D
TDF-U3553
TDF-MR1235D
PbF
2011/10

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Table of Contents

   Related Manuals for Kenwood KDC-202U

   Summary of Contents for Kenwood KDC-202U

  • Page 1 Trim plate (QYSPSF2008MA) (GE40536-001A) (GE40578-001A) x2 (GE34332-002A) (GE20xxx-xxxA) This product uses Lead Free solder. This product complies with the RoHS directive for the European market. COPYRIGHT © 2011 JVC KENWOOD Corporation B53-0894-00 No.WA002<Rev.001> COPYRIGHT © 2011 JVC KENWOOD Corporation 2011/10...
  • Page 2 SPECIFICATION Models for destination "K" (KDC-202U, KDC-252U, KDC-MP152U, KDC-MP2052U, KDC-MP252U, KMR-350U) KDC-MP152U, KDC-MP2052U, Models KDC-202U, KDC-252U, KMR-350U KDC-MP252U FM tuner section Frequency range (200 kHz space) 87.9 MHz - 107.9 MHz Frequency range (50 kHz space) 87.5 MHz - 108.0 MHz 11.2 dBf (1.0 µV/75 Ω)
  • Page 3 SPECIFICATION Models for destination "E&M" (KDC-3054UG, KDC-3054UR, KDC-3054URY, KDC-316UR, KDC-3254URY, KDC-3354UGY, KDC-3454UQ, KDC-3554UGM, KDC-3554URM, KDC-4054UB, KDC-4054UR) KDC-3054UG, KDC-3054UR, KDC-3054URY, KDC-316UR, Models KDC-3454UQ KDC-3254URY, KDC-3354UGY, KDC-3554UGM, KDC-3554URM, KDC-4054UB, KDC-4054UR FM tuner section Frequency range (50 kHz space) 87.5 MHz - 108.0 MHz Frequency range (30 kHz space) 65.00 MHz - 74.00 MHz 1.0 µV/75 Ω...
  • Page 4 SPECIFICATION Model for destination "M" (KDC-U3553) FM tuner section Frequency range (200 kHz space) 87.9 MHz - 107.9 MHz Frequency range (50 kHz space) 87.5 MHz - 108.0 MHz 11.2 dBf (1.0 µV/75 Ω) Usable sensitivity (S/N= 26 dB) 19.2 dBf (2.5 µV/75 Ω) Quieting sensitivity (DIN S/N = 46 dB) Frequency response (±...
  • Page 5 SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 6 Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. 1.5.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as laser products.
  • Page 7: Specific Service Instructions

    Important for laser products 1.CLASS 1 LASER PRODUCT 5.CAUTION : If safety switches malfunction, the laser is able to function. 2.CAUTION : (For U.S.A.) Visible and/or invisible class II laser radiation 6.CAUTION : Use of controls, adjustments or performance of when open.
  • Page 8 SECTION 3 DISASSEMBLY Main body (3) Remove the 3 screws C attaching the Electric unit. (See Fig.5) 3.1.1 Removing the Bottom chassis (See Fig.1) (4) Disconnect the board to board connector CN502 connect- (1) Disengage the 7 hooks a engaging the Bottom chassis. ing the Main board and the CD mechanism.
  • Page 9 CD mechanism assembly 3.2.1 Removing the Mecha control board 3.2.2 Removing the Traverse mechanism (See Fig.4, 5) (1) Solder the short land on the pickup. (See Fig. 1) (1) Remove the five springs from the traverse mechanism. (See Fig.4) SOLDER Fig.1 Fig.4 (2) Remove the eight wires from the Mecha control board.
  • Page 10 (2) Remove the shaft from the TM base. (See Fig.7) (2) Remove the HC CL. base from the holes on the TM base. (3) Disengage the hook on the pickup from the TM base. (See (See Fig.9) Fig.7) shaft Fig.9 (3) Remove the two screws D attaching the spindle motor.
  • Page 11 3.2.5 Removing the Loading motor (1) Remove the roller arm assembly from the bottom frame as- sembly. (See Fig.11) Fig.11 (2) Remove the two screws E attaching the loading motor as- sembly, and then remove the loading motor assembly in the direction of the arrow.
  • Page 12 SECTION 4 ADJUSTMENT TEST MODE 4.1.1 Panel SEARCH ACCENT RETURN A symbol " " in the key column indicates that the key should be pressed and held for 1 second or longer. 4.1.2 How to enter each Test Mode Test Mode name Operation Production Test Mode Press and hold [1] key and [3] key and reset.
  • Page 13 Volume BASS BOOST/LOUD NATURAL Various setting value Fader/Balance Center DEMO Mode Setting AUX Setting NAVI MUTE Setting for Japan Detecting function valid (ATT) Mode structure Some Test Modes change according to the current source. The following table shows the current source in Set and the related test mode status. Model source Test mode POWER OFF...
  • Page 14 Tuner Test Mode Specification The following display shall be indicated according to the TUNER status. Status Display content Details Communication to TUNER IC not available (indi- TUNER IC Normal Error cated unless the mode is in Clock Display Mode). For models that TUNER adjustment is necessary but not done (adjustment value: 0x00 or 0xFF), the Adjustment not implemented following TUNER Test Mode functions are valid...
  • Page 15 3. Status display during adjustment Status Display content Details When the adjustment value write-in to E2PROM Adjustment success (IC771 on X34) has been completed. xx: Level offset value (HEX) When the adjustment value write-in to E2PROM Adjustment failure (IC771 on X34) has failed 4.
  • Page 16 4.1.5 Service Test Mode In the STANDBY source, while pressing and holding [2] key, press [6] key for 7 seconds. (Starting to press [2] key and [6] key at the same time can not be entered into the mode) Default status immediately after the mode activation It shall be same as the normal activation.
  • Page 17 CD Error Information Display Mode Operation Display content Details CD error information DISP Transit to CD error information display mode. display mode Mecha error history 1,2,3 (latest) #: History No. (1,2,3) CD Mecha error log xx: kind of errors, "--" when there is none display 04: TOC read Error 99: Mecha Err...
  • Page 18 Mode operation specification Operation Display content Details When wrong connection & DC error in other detec- tion duration is detected DC ERR1display When wrong connection & DC error in other detec- tion duration is not detected Clear detection information when wrong connec- DC ERR1 clear tion &...
  • Page 19: Troubleshooting

    4.1.8 FM/AM channel space switching (KDC-U3553) Procedure Note FM200kHz/AM10kHz ↔ FM50kHz/AM9kHz While Power OFF, pressing and holding [1] key and [5] key, and press [SRC] key to Power ON. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. (No.WA002<Rev.001>)19/20...
  • Page 20 JVC KENWOOD Corporation Car Electronics Business Group 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525, Japan (No.WA002<Rev.001>) Printed in Japan...
  • Page 21: Parts List

    PARTS LIST CD RECEIVER KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U (No.WA002<Rev.001>)1/18...
  • Page 22 (No.WA002<Rev.001>)2/18...
  • Page 23 EXPLODED VIEW (UNIT) Block No.200 (X34) (X34) F901 DME1 (X34-) About KDC-MP2052U : PA1 does not exist as service part. Instead, 204, 206 and 220 exist. (X16-) Parts with the exploded numbers larger than 700 are not supplied. No.WA002 created date:2011-09-29 (No.WA002<Rev.001>)3/18...
  • Page 24 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local EXPLODED VIEW (UNIT) <200> QAM1335-001...
  • Page 25 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local GET0744-002A INST BOOK ENG GER...
  • Page 26 EXPLODED VIEW (CD MECHANISM) Block No.130 HCS-1100W Grease : W01-1737-08 : W01-1738-08 : W01-2007-08 DPU1 FPC1 (X32-) Parts with the exploded numbers larger than 700 are not supplied. No.WA002 created date:2011-10-20 (No.WA002<Rev.001>)6/18...
  • Page 27 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local EXPLODED VIEW (CD MECHANISM) <130>...
  • Page 28 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local D654 KLB-16B-X E8,C0,K4,K3 D655 SML-D12P8W-X...
  • Page 29 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local C647 NDC31HJ-100X C CAPACITOR 10pF 50V J...
  • Page 30 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local R672 NRS181J-391X MG RESISTOR 390Ω 1/8W J...
  • Page 31 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local Q321 IMX9-W PAIR TRANSISTOR K0,K2,E2,E1,E4,E3,E5,E7...
  • Page 32 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local C112 NCB31CK-104X C CAPACITOR 0.1uF 16V...
  • Page 33 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local C570 NCB31CK-104X C CAPACITOR 0.1uF 16V...
  • Page 34 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J...
  • Page 35 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local R409 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J...
  • Page 36 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local R511 NRSA63J-133X MG RESISTOR 13kΩ 1/16W J...
  • Page 37 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local R764 NRSA63J-393X MG RESISTOR 39kΩ 1/16W J...
  • Page 38 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U Safe Symbol No. Parts No. Parts Name Description Local QQR1872-001 RF COIL QQL244J-561Z COIL...
  • Page 39: Schematic Diagrams

    SCHEMATIC DIAGRAMS CD RECEIVER KDC-202U KDC-252U KDC-3054UG KDC-3054UR KDC-3054URY KDC-316UR KDC-3254URY KDC-3354UGY KDC-3454UQ KDC-3554UGM KDC-3554URM KDC-4054UB KDC-4054UR KDC-MP152U KDC-MP2052U KDC-MP252U KDC-U3553 KMR-350U (No.WA002<Rev.001>)1/13...
  • Page 40 (No.WA002<Rev.001>)2/13...
  • Page 41 BLOCK DIAGRAM J321 (2PRE) Line Out (Rear) J1 ANT RL/SWL L&R TUNER IC RR/SWR ELECTRIC UNIT (X34-) Subwoofer L&R TU/EVOL TU/EVOL MUTE MUTE CIRCUITRY Line Out (Front) FL/FR L&R -MUTE IC501 CD PLAYER UNIT (X32-) DRIVER DRV_Mute FEED + RLOUT FEED - FROUR FOCUS +...
  • Page 42 NOTES 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL ELECTRIC UNIT-1 (X34-7xxx-xx) CONDITION ---FM MODE. AM MODE. ( )CD MODE. UNLESS OTHERWISE SPECIFIED. ALL RESISTORS ARE 1/16W 5% METAL GLAZE RESISTOR. ALL CAPACITORS ARE 50V OR 25V CERAMIC CAPACITOR. ALL RESISTANCE VALUES ARE IN OHM.
  • Page 43 ELECTRIC UNIT-2 (X34-7xxx-xx) R504 BTL_TRO 270k R507 TRK- BTL_FOO TRK+ FOCUS+ R505 R511 FOCUS- BTL_FMO 100K R506 BTL_DMO TSDO VREF R595 R516 DSPR C504 CD.R S.GND CD.L 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 PON_CD R596 DSPL...
  • Page 44 SWITCH UNIT (X16-721x-xx) FL DISPLAY FL601 NOTES QLF0201-001 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL UNLESS OTHERWISE SPECIFIED. To ELECTRIC UNIT-1 (X34-7xxx-xx) ALL RESISTORS ARE 1/16W +5% METAL GLAZE RESISTOR. CN701 TAG ST ALL CAPACITORS ARE 50V OR 25V CERAMIC CAPACITOR. ALL RESISTANCE VALUES ARE IN OHM.
  • Page 45 CD PLAYER UNIT (X32-6530-00) PICKUP A'SSY OPTIMA-750B1 LVB11003-A1 CN102 QGF0522F3-15W TRACKING- TRACKING- TRACKING+ TRACKING+ FOCUS+ FOCUS+ FOCUS- FOCUS- FOCUSING COIL TRACKING COIL SPINDLE MOTOR CN101 QGF1049F1-26X FOCUS+ FOCUS- TRACKING+ TRACKING- NSW0291-001X REST REST REST SW MGND LVB11003-A2 FEED- FEED+ SPINDLE- SPINDLE+ LOADING+ To ELECTRIC UNIT-2...
  • Page 46 ELECTRIC UNIT X34-7xxx-xx (GEB10312-001A) B921 J321 D901 B919 CN901 B307 IC301 B251 B306 B920 B302 B303 B305 B933 B188 B304 B906 B163 B164 B182 B178 B171 B308 B172 B191 B916 B924 B104 B787 B190 B788 B784 B917 B186 B542 B551 B536 B105 B106...
  • Page 47 ELECTRIC UNIT X34-7xxx-xx (GEB10312-001A) D851 R941 R443 R780 R781 R906 C314 C902 C312 C315 R307 CN901 C311 R952 R951 J321 R352 C993 R351 R892 C368 R433 R891 R373 IC301 R418 C309 R788 D704 R254 R251 R321 R441 R256 R331 R341 R252 C909 Q251...
  • Page 48 SWITCH UNIT X16-721x-xx (GEB10313-001A) S614 S615 D678 R699 IC602 D652 D655 EN601 D657 GEA10313- S611 S613 D675 D654 D668 FL601 D658 D663 D661 D662 D665 D667 D666 D656 D671 D669 D672 MARK D674 D673 S603 S602 J602 S612 D683 D677 S604 S609 S608...
  • Page 49 SWITCH UNIT X16-721x-xx (GEB10313-001A) R655 R656 R697 CN603 EN601 FL601 D603 L611 R688 R622 IC601 D607 C643 C613 C612 R657 R611 LF601 R658 GEB10313A D692 D691 X16-7210-10 R693 D642 R659 R686 X16-7343-20 L602 D693 C602 TL625 L601 R653 R673 TL627 R671 TL622 R616...
  • Page 50 CD PLAYER UNIT-1 X32-6530-00 (LVB11003-003A) CN102 CN101 REST MGND No.WA002 created date:2011-09-29 (No.WA002<Rev.001>)12/13...
  • Page 51 CD PLAYER UNIT-2 X32-6530-00 (LVB11003-003A) LVA11003-A2 No.WA002 created date:2011-09-29 (No.WA002<Rev.001>)13/13...

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