Kenwood KDC-3022 Service Manual

Kenwood KDC-3022 Service Manual

Cd receiver
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CD RECEIVER
KDC-3022, 322
KDC-5023/R, 5024/V/Y/YV
KDC-507, 5094RY
SERVICE MANUAL
•CD MECHANISM OPERATION DESCRIPTION is not in this sevice manual.
Please refer to service manual for X92-4450-0X (B51-7889-00).
Panel assy
(A64-2824-02 : KDC-3022)
(A64-2825-02 : KDC-322)
KDC-3022
+
OFF
-
AUD
C.S.
MENU
Panel assy
(A64-2838-02 : KDC-5024/Y)
(A64-2851-02 : KDC-5024V/YV)
KDC-5024
DAB
+
OFF
-
AUD
PTY
MENU
DC cord
(E30-4784-05)
(E30-6131-05)
Escutcheon
(B07-3022-02)
(B07-3083-02)
(B07-3089-02)
Depends on model. Refer to the parts list.
Front grass
(B10-4304-01 : KDC-3022)
(B10-4305-01 : KDC-322)
NAME.S
DISP
AUTO
AME
SCAN
RDM
REP
M.RDM
Front grass
(B10-4314-01 : KDC-5024/Y)
(B10-4324-01 : KDC-5024V/YV)
NAME.S
DISP
TI
M.RDM
SCAN
RDM
REP
DC cord
Antenna adaptor
(E30-4790-05)
(T90-0523-05)
(E30-6134-05)
Mounting hardware assy
(J21-9716-03)
© 2003-1 PRINTED IN JAPAN
B53-0024-00 ( N ) 3379
CD mechanism extension cord (22PIN) : W05-0618-00
Panel assy
(A64-2833-02 : KDC-5023R)
(A64-2834-02 : KDC-5023)
KDC-5023
DAB
+
OFF
-
AUD
PTY
MENU
Panel assy
(A64-2839-02 : KDC-5094RY)
(A64-2842-02 : KDC-507)
KDC-507
DAB
+
OFF
-
AUD
PTY
MENU
Screw set
(N99-1719-05)
Remote controller assy(RC-410)
(A70-2025-05)
Plastic cabinet assy
(A02-1486-13)
Front grass
(B10-4310-01 : KDC-5023R)
(B10-4311-01 : KDC-5023)
NAME.S
DISP
AUTO
AME
SCAN
RDM
REP
M.RDM
Front grass
(B10-4315-01 : KDC-5094RY)
(B10-4317-01 : KDC-507)
NAME.S
DISP
TI
SCAN
RDM
REP
M.RDM
Lever
Screw set
(D10-4589-04)
(N99-1730-15)
Remote controller assy(RC-505)
(A70-2040-05)
Not supplied

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Table of Contents
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Summary of Contents for Kenwood KDC-3022

  • Page 1 CD mechanism extension cord (22PIN) : W05-0618-00 Panel assy Front grass Panel assy Front grass (A64-2833-02 : KDC-5023R) (B10-4310-01 : KDC-5023R) (A64-2824-02 : KDC-3022) (B10-4304-01 : KDC-3022) (A64-2834-02 : KDC-5023) (B10-4311-01 : KDC-5023) (A64-2825-02 : KDC-322) (B10-4305-01 : KDC-322) KDC-5023 KDC-3022 NAME.S...
  • Page 2 AUX IN PRE OUT FREE PRE MUTE (REAR/NF) TUNER AM+B MP IN SW5V E-VOL PRE OUT LEVEL REAR PRE MUTE & (REAR) 3PRE AUDIO OUT PRE OUT SW5V FRONT PRE MUTE (FRONT) QUAL Q101 Q201 BUFFER DECODER BUFFER SW5V S-METER IC10 MUTE EEPROM...
  • Page 3: Components Description

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY COMPONENTS DESCRIPTION CD PLAYER UNIT (X32-5390-00/01) Ref.No. Component Name Application/Functions Operation/Condition/Compatibility AN22002AA RF amplifier adapted for CD-RW Generation of RF signal based on the signals from the APC circuit and pickup, and generation of servo error (focusing error and tracking error) signals.
  • Page 4 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY COMPONENTS DESCRIPTION Ref.No. Component Name Application/Functions Operation/Condition/Compatibility Q152 2SA1576A Panel 5V SW When panel assy attached to the unit, Q152 base gose "L" and supply to panel 5V AVR to panel assy Q153 KRC404 Illumination control When Q153 base voltage to "H", illumination is light up...
  • Page 5: Microcomputer's Terminal Description

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY MICROCOMPUTER'S TERMINAL DESCRIPTION IC1: ELECTRIC UNIT (X25-9580-xx/2232-xx) Pin No. Name Description/Processing Operation Open REMO Remote control signal input terminal Open BYTE EXT. bus width select input terminal (GND) CNVSS Pull down to GND XCIN Sub clock input terminal (32.768KHz) XCOUT Sub clock output terminal (32.768KHz)
  • Page 6 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY MICROCOMPUTER'S TERMINAL DESCRIPTION Pin No. Name Description/Processing Operation IFC OUT IFC OUT input terminal R-DATA RDS decoder data input terminal R-QUAL RDS decoder QUAL input terminal Open Noise detection (FM seek, AM search : L ) Control Data input / output terminal for electric volume, CD mechanism...
  • Page 7: Test Mode

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY TEST MODE 1. How to enter the test mode • When the number of total tracks of an MP3 disc is nine or less, unit playback from a track 1. • While holding the preset 1 key and 3 keys, reset the unit.
  • Page 8 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY TEST MODE 10. Special display when the display is all on 5. Hold down the Track up key for at least 3 seconds and the message, "RE-ENTER" appears, so once again enter Pressing the Preset keys while the power is ALL OFF dis- the code according to Step 3 above.
  • Page 9: Switch Unit

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY PC BOARD KDC-5023R,5024/Y/V/YV KDC-322/3022/5023 KDC-5094RY,507 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) SWITCH UNIT SWITCH UNIT SWITCH UNIT SWITCH UNIT X16-2xxx-xx (J74-1451-02) X16-2xxx-xx (J74-1451-02) X16-203x-xx (J74-1452-02) X16-203x-xx (J74-1452-02) FLIP DET FLIP DET VOL B...
  • Page 10: Pc Board (Component Side View)

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY PC BOARD (COMPONENT SIDE VIEW) X25-9580-xx/2232-xx Ref. No address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 11 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY PC BOARD (FOIL SIDE VIEW) C403 R314 R164 R159 W102 R106 R158 R157 R184 R185 R104 R102 R103 W101 R166 R165 D258 C411 R315 D256 D251 C304 R168 D254 R167 D252 R256 D257 R254 R257 R257 R261 R312 R259...
  • Page 12 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY PC BOARD (COMPONENT SIDE VIEW) CD PLAYER UNIT X32-5390-00/01 (J74-1485-12) X32-5390-00/01 Ref. No address Refer to the schematic diagram for the values of resistors and capacitors.
  • Page 13 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY PC BOARD (FOIL SIDE VIEW) CD PLAYER UNIT X32-5390-00/01 (J74-1485-12) B/TE VDET TRCRS RFENV NRFDET D/ARF GCTL VREF2 D.OUT SPDL- SLED IN/EJECT /MUTER /MUTEL SLED OUT/LOAD /MSTOP /MRST R100 MOTOR SPDL+ LO/EJ Lch A.+8V S7.5V A.GND 8EJE S.GND SPDL...
  • Page 14 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY CD PLAYER UNIT (X32-5390-00/01) RFENV D.GND C34 0.1 4.80V C32 0.1 BU+5V 470P 470P L.P.F. 3.10V 1.25V 2.40V 3.10V 3.10V 1.70V IREF R100 C100 8EJE(SW2) 3.10V 1000P PLLF2 12EJE/SDET(SW3) PLLF 3.84V 4.7K 4.80V 7.80V LOE/LIM(SW4) 0.87pp RFSW PCK/NTLOCK/FCLK/STLD 3.84V...
  • Page 15 DAN202U MOTOR S.7.5V MA8051-L DA204U KDC-3022, 322, 5023R (1/3) KDC-5024/V/Y/YV (1/3) KDC-507, 5094RY (1/3) CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
  • Page 16 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY PRE OUT F GND FRONT REAR ELECTRIC UNIT (X25-9580-xx/2232-xx) ∗ R361 R362 R355 R356 LX-CN C357 0.01 Q351 Q352 Q355 Q356 C356 0.01 C306 0.01 MUTE MUTE MUTE Q354 E2P-ROM ∗ R210 FM/AM IC10 R205 C211 Q201 TUNER 2.2K...
  • Page 17 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY DC-CN FUSE F1 10A POWER SUPPLY IC 14.2V PCON C2 0.01 14.1V R252 PANT 3300u16 8.1V 10u16 C255 0.47u50 D269 R255 7.9V 5.0V R2 36K 4.0V 8.1V AUDIO MUTE R3 100K SERGE ∗ 0.01 AUDIO POWER 27uH 14.4V 1000P 5.0V...
  • Page 18 DAN202U OWER SUPPLY CONTROL KDC-5023R (M,E) X25-9580-21 X86-3722-70 KDC-5024 (E) KDC-5024V (E) X25-9722-70 X86-3722-71 KDC-507 (E) KDC-5024Y (E2) X25-9582-70 X86-3722-70 KDC-5024YV (E2) KDC-3022 (K) X25-9580-11 X86-3720-11 KDC-5023 (M,K) X25-9580-22 X86-3720-11 KDC-5094RY (E2) X25-9582-71 X86-3722-72 KDC-322 (K) X25-9580-12 X86-3720-11 DA204U DTA114YUA PS2-1 5.0V...
  • Page 19 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY SWITCH UNIT (X16-203x-xx) TP18 TP19 ∗ TP20 TP21 TP22 ∗ ∗ ∗ TP23 ∗ ∗ ∗ TP24 ∗ ∗ ∗ TP25 ∗ ∗ ∗ TP26 ∗ ESD-GND 0.01 TP13 TP27 FLIP DET AUTO ∗ RESET RESET VOL A ILL-GND 0.01...
  • Page 20 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY ∗ ED1(SEGMENT) ∗ ED1(COMMON) KDC-322/3022/5023 (3/3) CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage- current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
  • Page 21: Switch Unit (X16-2Xxx-Xx)

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY SWITCH UNIT (X16-2XXX-XX) TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 TP26 ESD-GND TP13 2.2K 2.2K TP27 FLIP DET AUTO RESET RESET VOL A Q2,3 ILL-GND ILLUMINATION VOL B 1Kx4 ILL+B 1Kx4 TP11 R6 1K REMO 470x4 TP10 GND 1...
  • Page 22 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY ED1(SEGMENT) ED1(COMMON) KDC-5023R (3/3) KDC-5024/Y/V/YV (3/3) KDC-5094RY (3/3) KDC-507 (3/3) CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
  • Page 23: Exploded View (Mechanism)

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY EXPLODED VIEW (MECHANISM) DPU1 DFPC1 (X32-) φ 2x8 : N09-4460-05 M1.7x8.5 : N09-4472-05 M1.7x2.5 : N09-6004-05 M2x3.5 : N09-6108-05 M2x2 : N09-6007-05 φ 2x6(BLK) : N09-6051-05 1.6 WASHER : N19-2163-04 M2x2 : N39-2020-46 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 24: Exploded View (Unit)

    KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY EXPLODED VIEW (UNIT) DME1 φ 3x8 N30-3008-46 φ 2x6 N80-2006-46 φ 2x8(BLK) N80-2008-45 φ 3x8 N80-3008-46 φ 3x10 N80-3010-46 φ 3x5 N83-3005-46 φ 3x20 N83-3020-46 φ 2x5(BLK) N84-2005-45 φ 2.6x6(BLK) N84-2606-45 φ 2.6x6 N86-2606-46 (X25-) (X16-) (X16-) (X16-) (X16-)
  • Page 25: Parts List

    DAMPER K25-1522-04 KNOB (DISP) D10-4589-04 LEVER K25-1523-03 KNOB (PLAY.STOP) E29-1927-02 CONDUCTIVE RUBBER K25-1524-03 KNOB (FM/AM) K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 26 B38-1106-05 LIQUID CRYSTAL EE2E3 C90-2980-05 ELECTRO 220UF 16WV B38-1106-05 LIQUID CRYSTAL CE04NW1C100M ELECTRO 10UF 16WV K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 27 CHIP C 18PF RD14BB2C333J J 1/6W C402 CC73GCH1H220J CHIP C 22PF RK73GB2A223J CHIP R J 1/10W K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 28 J 1/10W W103,104 R92-2053-05 CHIP R J 1/8W R186 RK73GB2A222J CHIP R 2.2K J 1/10W K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 29 DIGITAL TRANSISTOR M2EE1 CK73GB1C104K CHIP C 0.10UF Q101 UN5216 DIGITAL TRANSISTOR CK73GB0J105K CHIP C 1.0UF K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 30 CHIP R J 1/10W DTA143XUA DIGITAL TRANSISTOR RK73GB2A392J CHIP R 3.9K J 1/10W 2SC4081 TRANSISTOR K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 31 G01-3072-04 EXTENSION SPRING G01-3073-04 TORSION COIL SPRING G01-3074-04 EXTENSION SPRING G01-3075-04 EXTENSION SPRING G01-3076-04 EXTENSION SPRING K5: KDC-3022 K6: KDC-322 M2: KDC-5023R M3: KDC-5023 E : KDC-5024Y E1: KDC-5024YV E2: KDC-5094RY E3: KDC-5024 indicates safety critical components. E4: KDC-5024V E5: KDC-507...
  • Page 32 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY SPECIFICATIONS (M type) KDC-5023 KDC-5023R FM tuner section FM tuner section Frequency range(Frequency step) Frequency range (Frequency step) ..........87.5MHz~108.0MHz (50kHz) ..........87.5MHz~108.0MHz (50kHz) ..........87.9MHz~107.9MHz (200kHz) Channel space selection .........50kHz Channel space selection......50kHz/200kHz Usable sensitivity (S/N=26dB) ......0.7µV/75Ω Usable sensitivity (S/N=30dB)....9.3dBf (0.8µV/75Ω) Quieting sensitivity (S/N=46dB) .......1.6µV/75Ω...
  • Page 33 KDC-3022,322,5023/R,5024/V/Y/YV,507,5094RY SPECIFICATIONS (E type) KDC-5024/V/Y/YV,KDC-507 KDC-5094RY FM tuner section FM tuner section Frequency range (Frequency step) Frequency range (Frequency step) ..........87.5MHz~108MHz (50kHz) ..........87.5MHz~108MHz (50kHz) Usable sensitivity (S/N=26dB) ......0.7µV/75Ω Usable sensitivity (S/N=26dB) ......0.7µV/75Ω Quieting sensitivity (S/N=46dB) .......1.6µV/75Ω Quieting sensitivity (S/N=46dB) .......1.6µV/75Ω...
  • Page 34 Installation size (WxHxD) ...................182x53x155 (mm) 7 -3/16 x 2-1/16 x 6-1/10 (inch) Weight ..........................1.2kg (2.64lbs) 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 ELECTRONICS ITALIA S.p.A.

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