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JVC KD-R420J Service Manual
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JVC KD-R420J Service Manual

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SERVICE MANUAL
2010
SERVICE MANUAL
11
MA478<Rev.001>
KD-R420J, KD-R421E, KD-R421EU, KD-R421EY,
KD-R422E, KD-R422EU, KD-R422EY, KD-R424UI,
KD-R425U, KD-R425UH, KD-R425UN, KD-R426U,
KD-R426UH, KD-R426UN, KD-R426UT,
KD-R427EE, KD-R428J, KD-R428UF, KD-R45E,
KD-R45EY, KD-R47EE, KD-R527EE
COPYRIGHT © 2010 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
CD RECEIVER
KD-R420,KD-R428
ONLY
KD-R420,KD-R424,
KD-R425,KD-R426,
KD-R428
ONLY

TABLE OF CONTENTS

COPYRIGHT © 2010 Victor Company of Japan, Limited
KD-R421,KD-R422
KD-R427, KD-R45,
KD-R47, KD-R527
ONLY
No.MA478<Rev.001>
2010/11

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Questions and answers

Edgar
May 3, 2025

Quisiera saber cuál es el integrado modo seguridad del radio

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1 comments:
Mr. Anderson
May 17, 2025

The security mode integrated circuit for the JVC KD-R420J radio is labeled as "IC: ICTNCR AOCE" in the schematic.

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Summary of Contents for JVC KD-R420J

  • Page 1: Table Of Contents

    SERVICE MANUAL CD RECEIVER MA478<Rev.001> 2010 SERVICE MANUAL KD-R420J, KD-R421E, KD-R421EU, KD-R421EY, KD-R422E, KD-R422EU, KD-R422EY, KD-R424UI, KD-R425U, KD-R425UH, KD-R425UN, KD-R426U, KD-R426UH, KD-R426UN, KD-R426UT, KD-R427EE, KD-R428J, KD-R428UF, KD-R45E, KD-R45EY, KD-R47EE, KD-R527EE KD-R421,KD-R422 KD-R427, KD-R45, KD-R420,KD-R428 KD-R47, KD-R527 ONLY ONLY KD-R420,KD-R424, KD-R425,KD-R426,...
  • Page 2 SPECIFICATION [KD-R424, KD-R425, KD-R426] AUDIO AMPLIFIER SECTION Maximum Power Output 50 W per channel 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 1% total harmonic distortion. Continuous Power Output(RMS) Signal-to-Noise Ratio 70 dB 4 Ω...
  • Page 3 SPECIFICATION [KD-R420,KD-R428] AUDIO AMPLIFIER SECTION 20 W RMS × 4 Channels at 4 Ω and ≤ 1% THD+N Power Output 80 dBA (reference : 1 W into 4 Ω) Signal-to-Noise Ratio 4 Ω (4 Ω to 8 Ω allowance) Load Impedance Frequency Response 40 Hz to 20 000 Hz Line-Out or Subwoofer-Out Level/Impedance 2.5 V/20 kΩ...
  • Page 4 SPECIFICATION [KD-R421, KD-R422, KD-R45] AUDIO AMPLIFIER SECTION Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more Continuous Power Output(RMS) Front/Rear than 1% total harmonic distortion. 4 Ω...
  • Page 5 SPECIFICATION [KD-R427, KD-R47, KD-R527] AUDIO AMPLIFIER SECTION Maximum Power Output Front/Rear 50 W per channel 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more Continuous Power Output(RMS) Front/Rear than 1% total harmonic distortion. 4 Ω...

  • Page 6: Precaution

    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 7 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 8 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 9: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Main body (Used model: KD-R421) 3.1.1 Removing the Bottom chassis (See Fig.1) 3.1.3 Removing the Main board (See Fig.3, 4 and 5) (1) Disengage the seven hooks a engaging the Bottom chas- (1) Remove the one screw A attaching the Rear Bracket.
  • Page 10 3.1.4 Removing the CD mechanism (See Fig.6) (1) Remove the three screws D attaching the CD mechanism. BLACK WHITE YELLOW ORANGE ORANGE WHITE YELLOW Fig.2 (3) Disconnect the flexible wire from the pickup connected to Fig.6 the connector CN102 on the Mecha control board. (See 3.1.5 Removing the Switch board (See Fig.7) Fig.3) (1) Remove the Volume knob.
  • Page 11 (2) Remove the three screws B attaching the bottom frame as- (2) Remove the shaft from the TM base. (See Fig.7) sembly. (See Fig.5) (3) Disengage the hook a on the pickup from the TM base. (3) Remove the three dumpers from the bottom frame assem- (See Fig.7) bly.
  • Page 12 (2) Remove the HC CL. base from th holes on the TM base. 3.2.5 Removing the Loading motor (See Fig.9) (1) Remove the roller arm assembly from the bottom frame as- sembly. (See Fig.11) Fig.9 (3) Remove the two screws D attaching the spindle motor. (See Fig.10) Fig.11 (2) Remove the two screws E attaching the loading motor as-...

  • Page 13: Adjustment

    SECTION 4 ADJUSTMENT Test instruments required for adjustment Standard volume position (1) Digital oscilloscope (100MHz) Balance and Bass &Treble volume : lndication"0" (2) Digital tester Loudness : OFF (3) Test Disc Dummy load Standard measuring conditions Exclusive dummy load should be used for AM,and FM. Power supply voltage DC14.4V(10.5 to 16V) For FM dummy load, there is a loss of 6dB between SSG output Load impedance 20K ohm (2 Speakers connection)
  • Page 14 Service mode Operating Key : [MENU] → [DOWN] (7sec) 4.6.1 Mode content Syscon shall display the information after entering this mode. The operation shown below shall be workable. Display content Detail The display is released when another operation is executed. 4.6.2 Common operation mode for all sources.
  • Page 15 4.6.3 CD error information display mode Opera- Display content Detail tion Mecha error history 1,2,3 (latest) mecha error log # = History No. (1,2,3) display X X : number of errors, " -- " when there is none. Load error switch 1,2 load error # = History No.
  • Page 16 Service information clear mode * The receiver is connected with the DC power supply (with the power supply turned off). Operating Key : [BACK] → [POWER] → [DC power supply turned ON] Mode content After entering this mode, Syscom shall clear the information stored for service an output to the display. Display content Detail When normal end...

  • Page 17: Troubleshooting

    SECTION 5 TROUBLESHOOTING 16PIN CORD DIAGRAM 5.1.1 For KD-R420 WH/BK GN/BK Black Green GY/BK VI/BK Violet Blue BR Brown White Orange BL/WH Gray Yellow OR/WH GN / BK VI / BK OR / WH BL / WH WH / BK GY / BK (No.MA478<Rev.001>)1-17...
  • Page 18 5.1.2 For KD-R421, KD-R422 White Green Black Violet Gray Light Blue Blue Yellow WH/BK GN/BK Brown GY/BK VI/BK Orange LB/YL BL/WH OR/WH VI/BK GY/BK WH/BK BL/WH OR/WH GN/BK RD 3 RD 1 RD 2 YL 1 YL 2 OR / WH BL / WH GN / BK VI / BK...
  • Page 19 5.1.3 For KD-R424, KD-R425, KD-R426, KD-R428 WH/BK GN/BK Black Green GY/BK VI/BK Violet Blue Brown White Orange Gray Yellow BL/WH OR/WH GN / BK VI / BK OR / WH BL / WH WH / BK GY / BK (No.MA478<Rev.001>)1-19...
  • Page 20 5.1.4 For KD-R427, KD-R45, KD-R47, KD-R527 WH/BK GN/BK Black Green Violet GY/BK VI/BK Blue Brown White Orange Gray Yellow BL/WH OR/WH BL/WH OR/WH RD2 BK RD 3 RD 1 RD 2 YL 1 YL 2 OR / WH BL / WH GN / BK VI / BK WH / BK...
  • Page 21 5.1.5 For KD-R428 WH/BK GN/BK Green White GY/BK VI/BK Black Violet Light Blue Gray Blue Yellow LB/YL Brown BL/WH Orange OR/WH GN / BK VI / BK OR / WH LB / YL BL / WH WH / BK GY / BK (No.MA478<Rev.001>)1-21...
  • Page 22 Victor Company of Japan, Limited Mobile Entertainment Division 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525, Japan (No.MA478<Rev.001>) Printed in Japan...

  • Page 23: Schematic Diagrams

    SCHEMATIC DIAGRAMS CD RECEIVER KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE (No.MA478<Rev.001>)1/23...
  • Page 24 ■ PRECAUTIONS ON SCHEMATIC DIAGRAMS Due to the improvement in performance, some part numbers shown in the circuit diagrams may not agree with those indicated in the Parts List. The parts numbers, values and rated voltage etc. in the Schematic Diagrams are for reference only.
  • Page 25 Block diagram CD Mechanism section CD servo control section Main amplifier & System control section IC580 CD.L, CD.R CD.L, CD.R SW1, SW2, SW3 4MHz VF1, VF2 CD LPF DETECT SW VT1, VT2 CMDREQ, CMDSO, CMDSI SDATU IC540 CD_MD, LD CMDBUCK, CMDCCE SCLTU SP+/- Q540...
  • Page 26 ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V) COMPONENTS IN () INDICATE NOT USE. R330 R254 NQR0251-002X KD-R426U Series KD-R425U Series KD-R45E KD-R421E Series KD-R521E * MODELS KD-R428J KD-R420J KD-R47EE KD-R427EE KD-A525J KD-R520J KD-R424UI Series KD-R422E Series Series NQR0251-002X KD-R428UF TOMIC R764 8.2K...
  • Page 27 <Main section 2 (J,UI,U,UH,UN,UT,UF)> MAIN PWB: GEB10301A R506 R512 BTL_DMO 6.8K R505 R511 BTL_FMO CD LPF R510 R596 8.2k D503 C585 DA2J101-X C506 C584 R507 R509 BTL_FOO R528 4.7/25 QERF1EM-475Z-E R597 R585 DSPR R580 R598 R593 R581 C503 R513 C594 C504 C582 R582...
  • Page 28 R650 S601~S611: NSW0326-001X 2SC4154/EF/-X Q631 4.0V 2.7k 0.2V 2SC4154/EF/-X R649 2.7k KD-R420J, KD-R428J KD-R428UF NOTES KD-R427EE, KD-R424UI KD-R422E SERIES * REMARKS: KD-R45E SERIES KD-R426U SERIES KD-R47EE 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL KD-R425U SERIES UNLESS OTHERWISE SPECIFIED.
  • Page 29 ALL CAPACITANCE VALUES ARE IN uF(P=pF) R350 ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V) COMPONENTS IN () INDICATE NOT USE. R330 R254 NQR0251-002X KD-R426U Series * MODELS KD-R428J KD-R420J KD-R425U Series KD-R45E KD-R47EE KD-R427EE KD-R421E Series KD-R521E KD-A525J KD-R520J KD-R424UI...
  • Page 30 <Main section 2 (E,EU,EY,EE)> MAIN PWB: GEB10301A R506 R512 BTL_DMO 6.8K R505 R511 BTL_FMO CD LPF R510 R596 8.2k D503 C585 DA2J101-X C506 C584 R507 R509 BTL_FOO R528 4.7/25 QERF1EM-475Z-E R597 R585 DSPR R580 R598 R593 R581 C503 R513 C594 C504 C582 R582...
  • Page 31 R650 S601~S611: NSW0326-001X 2SC4154/EF/-X Q631 4.0V 2.7k 0.2V 2SC4154/EF/-X R649 2.7k KD-R420J, KD-R428J KD-R428UF NOTES KD-R427EE, KD-R424UI KD-R422E SERIES * REMARKS: KD-R45E SERIES KD-R426U SERIES KD-R47EE 1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL KD-R425U SERIES UNLESS OTHERWISE SPECIFIED.
  • Page 32 < LCD & Key section (R527EE)> LCD DISPLAY 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 LCD1 HOLD LOUD MENU J601 REMOCON R670 R671 AUX IN IC681 C687 KSM2003-TN5B 4700p C688 4700p 3.3V 3.3V D682 C682...
  • Page 33 <CD section> PICKUP A'SSY OPTIMA-727A (QAL0993-001) MAIN PWB LVB11003-A1 CN102 QGF0522F3-15W FOCUS- FOCUS- FOCUS+ FOCUS+ TRACKING+ TRACKING+ TRACKING- TRACKING- SPINDLE MOTOR CN101 QGF1049F1-26X REST SW PWB LVB11003-A2 FOCUS+ TRACKING COIL FOCUSING COIL FOCUS- NSW0291-001X TRACKING+ REST REST TRACKING- REST SW MGND FEED- To Main section 2...
  • Page 34 <Main board (J,UI,U,UH,UN,UT,UF)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) B309 B310 B921 C901 B920 B922 B919 C309 J120 J321...
  • Page 35 <Main board (J,UI,U,UH,UN,UT,UF)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) R305 C891 J120 C351 R780 R894 C990 R351 C314 D704...
  • Page 36 <Switch board (J,UI,U,UH,UN,UT,UF)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) D632 D631 D633 S608 D634 D653 D654 B604 D652 D635...
  • Page 37 <Switch board (J,UI,U,UH,UN,UT,UF)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) R607 MARK JS601 IC661 LF691 R677 Q634 R652 C692 R676...
  • Page 38 <Main board (E,EU,EY,EE)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) B309 B310 B921 C901 B920 B922 B919 C309 J120 J321...
  • Page 39 <Main board (E,EU,EY,EE)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) R305 C891 J120 C351 R780 R894 C990 R351 C314 D704...
  • Page 40 <Switch board (Expect R527EE)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) D632 D631 D633 S608 D634 D653 D654 B604 D652...
  • Page 41 <Switch board (Expect R527EE)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) R607 MARK JS601 IC661 LF691 R677 Q634 R652 C692...
  • Page 42 <Switch board (R527EE)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) D630 D632 D631 S608 S611 S610 S602 S601 GEA10305- J601...
  • Page 43 <Switch board (R527EE)> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) R631 GEB10305A1 R649 IC601 LF691 R647 R648 R667 R666 R665...
  • Page 44 <Mecha control board> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) CN102 CN101 REST MGND No.MA478 created date:2010-11-08 (No.MA478<Rev.001>)22/23...
  • Page 45 <Rest switch board> (Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)) (Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade)) LVA11003-A2 No.MA478 created date:2010-11-08 (No.MA478<Rev.001>)23/23...

  • Page 46: Parts List

    PARTS LIST CD RECEIVER KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE (No.MA478<Rev.001>)1/28...
  • Page 47 ■ PRECAUTIONS ON SCHEMATIC DIAGRAMS Due to the improvement in performance, some part numbers shown in the circuit diagrams may not agree with those indicated in the Parts List. The parts numbers, values and rated voltage etc. in the Schematic Diagrams are for reference only.
  • Page 48 Exploded view of general assembly Block No.M1MM Main board Switch board The parts without symbol number are not service. No.MA478 created date:2010-11-08 (No.MA478<Rev.001>)3/28...
  • Page 49 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local General assembly <M1MM>...
  • Page 50 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local LV44800-003A...
  • Page 51 CD mechanism assembly Block No.MBMM FLM-HC2-1D Grease BOTTOM VIEW JVG-31N G332 JVS-1003 1771E BACK SIDE VIEW BOTTOM VIEW TOP VIEW TOP VIEW 11.7mm ± 0.1mm Rest switch board BOTTOM VIEW 12.7mm ± 0.1mm Mecha control board SIDE VIEW The parts without symbol number are not service. No.MA478 created date:2010-11-08 (No.MA478<Rev.001>)6/28...
  • Page 52 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local CD mechanism (FLM-HC2-1D) <MBMM>...
  • Page 53 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local LV36813-201A...
  • Page 54 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local VKZ4539-054...
  • Page 55 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local NCB21CK-105X...
  • Page 56 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local C556...
  • Page 57 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local NRSA02J-470X MG RESISTOR 47Ω...
  • Page 58 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R451...
  • Page 59 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R567...
  • Page 60 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R777...
  • Page 61 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local Main board E,EU,EY,EE<02>...
  • Page 62 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local QEKJ1CM-107Z...
  • Page 63 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local C573...
  • Page 64 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R162...
  • Page 65 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R469...
  • Page 66 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R583...
  • Page 67 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R785...
  • Page 68 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local D636...
  • Page 69 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local S609...
  • Page 70 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R654...
  • Page 71 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local R628...
  • Page 72 Packing materials and accessories Block No.M3MM No additional / supplemental order of WARRANTY CARDs are available. The parts without symbol number are not service. No.MA478 created date:2010-11-08 (No.MA478<Rev.001>)27/28...
  • Page 73 MODEL MARK MODEL MARK MODEL MARK MODEL MARK KD-R420J KD-R421E KD-R421EU KD-R421EY KD-R422E KD-R422EU KD-R422EY KD-R424UI KD-R425U KD-R425UH KD-R425UN KD-R426U KD-R426UH KD-R426UN KD-R426UT KD-R427EE KD-R428J KD-R428UF KD-R45E KD-R45EY KD-R47EE KD-R527EE Safe Symbol No. Parts No. Parts Name Description Local Packing and accessories <M3MM>...

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Kd-r421euKd-r421eyKd-r422eKd-r422euKd-r422eyKd-r424ui,kd-r425u, kd-r425uh, kd-r425un, kd-r426u,kd-r426uh, kd-r426un, kd-r426ut,kd-r427ee ... Show all