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See also:
Instruction Manual
CD RECEIVER
KDC-2022/V
QQ
3 7 63 1515 0
KDC-202MR
KDC-4023
SERVICE MANUAL
CD mechanism operation description is not in this sarvice manual.
Please, refer to sarvice manual X92-4030-0x (B51-7867-00).
Panel assy
(A64-2864-02): KDC-2022V
(A64-2865-02): KDC-2022
(A64-2871-02): KDC-4023
TE
L 13942296513
Panel assy
(A64-2866-02): KDC-202MR
DC cord
(E30-4784-05)
www
.
Depends on model. Refer to the parts list
KDC-XXXX
COMPACT
DIGITAL AUDIO
LOUD
SCAN
OFF
KDC-202MR
COMPACT
DIGITAL AUDIO
LOUD
SCAN
OFF
Mounting hardware assy
(J21-9716-03)
Lever
(D10-4589-04)x2
x
ao
u163
y
i
2 9
8
CD mechanism extension cord : W05-0618-00
Escutcheon
(B07-3022-02): KDC-4023
(B07-3060-02): KDC-2022/V
CD MD-Changer Control
RDM
REP
M. RDM
CLK
Q Q
3
6 7
1 3
1 5
Escutcheon
(B07-3022-02): KDC-202MR
CD MD-Changer Control
RDM
REP
M. RDM
CLK
Plastic cabinet assy
(A02-1486-13)
Screw set
(N99-1719-05)
co
.
9 4
2 8
© 2002-11 PRINTED IN JAPAN
B53-0003-00 ( N ) 1724
CRSC
ADJ
AUTO
AME
AUD
0 5
8
2 9
9 4
2 8
CRSC
ADJ
AUTO
AME
AUD
Remote controller assy
(A70-2025-05)
Screw set
m
(N99-1610-15)
9 9
9 9
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Table of Contents
Related Manuals for Kenwood KDC-4023
Summary of Contents for Kenwood KDC-4023
- Page 1 CD mechanism operation description is not in this sarvice manual. CD mechanism extension cord : W05-0618-00 Please, refer to sarvice manual X92-4030-0x (B51-7867-00). Panel assy Escutcheon (A64-2864-02): KDC-2022V (B07-3022-02): KDC-4023 (A64-2865-02): KDC-2022 (B07-3060-02): KDC-2022/V (A64-2871-02): KDC-4023 CD MD-Changer Control KDC-XXXX...
- Page 2 3 7 6 3 1 5 1 5 0 FM(J,K) : 1800mV FM+B FM(E) : 1372mV IC10 Q502 Q223,224 AM(J,K) : 600mV CD : 3600mV AM(E) : 855mV CH : 3600mV FM AGC FM AGC OUT MUTE AM+B Q501 AM AGC POWER IC AM AGC OUT TUNER,MPX &...
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Page 3: Components Description
KDC-2022/V/202MR/4023 COMPONENTS DESCRIPTION 3 7 63 1515 0 SWITCH UNIT (X16-1460-1x/2370-10) Ref.No. Application/Functions Operation/Condition/Compatibility LCD driver & key matrix Remote Sencer Key scan start When Q1 base goes Lo, key scan start. ELECTRIC UNIT (X25-9600-xx) Ref.No. Application/Functions Operation/Condition/Compatibility System control µ-com System µ-com Power amplifire E-Vol output encoder power amplification for speaker. -
Page 4: Microcomputer's Terminal Description
KDC-2022/V/202MR/4023 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 SYSTEM MICROCOMPUTER uPD780058GC499 (X25 : IC1) Pin No. Name Description Processing Operation TDF DET Panel detection H:Panel detached L:Panel attached H:Eject is completed 8EJE SW Except 8cm CD model:always output L Not used (out put L) Avss H:Panel detached L:RESET... - Page 5 KDC-2022/V/202MR/4023 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 Pin No. Name Description Processing Operation B.U-DET Back up detection terminal H:power down L:B.U. on ACC-DET ACC detection terminal H:ACC OFF L:ACC ON Power supply IC SW1 control 0 BA4911 SW1 Power supply IC output PS1-0 Audio 8V,P-CON...
- Page 6 KDC-2022/V/202MR/4023 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 MECHANISM MICROCOMPUTER MN6627771KP (X32 : IC2) Pin No. Name Description Processing Operation Traverse driver output (PWM output) Spindle motor drive output (PWM output) Spindle motor ON output L:ON H:OFF (default ) multi-purpose PWM output It's possible to setup the TOSF2 TBAL...
- Page 7 Tracking driver output (PWM output) System mi-com Destination type list TYPE2 TYPE1 TYPE0 MODEL NAME KDC-2024SA/SYA, 2024SG/SYG KDC-2022, 2022V,202MR uPD780058GC499 RY-391CD, RX-491CD KDC-4023, 2023, 3023 KDC-122, 122S uPD780058GC501 KDC-1023, 1023S KDC-222, 222S KDC-3024G/YG, 307G/YG KDC-3023R uPD780058GC502 KDC-3024A/YA, 307A/YA KDC-4024/Y/V/YV uPD780058GC503...
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Page 8: Ic10 (Tda7513) -The Tuner Adjustment Method
KDC-2022/V/202MR/4023 ADJUSTMENT 3 7 63 1515 0 1-3. Adjustment of FM_ANT&RF Coil 1. IC10 (TDA7513) -The Tuner adjustment method Voltage Check Point : S_METER-Check Land (PWB • When IC10 and its circumference are fixed, according to the Side_B, around W572) following order, it readjusts if needed. -
Page 9: Ic10 (Tda7513) Replacement-Parts Vs Adjustment Item Table
KDC-2022/V/202MR/4023 ADJUSTMENT 3 7 63 1515 0 2.IC10 (TDA7513) Replacement-Parts vs Adjustment Item Table • When the parts in the following tables are exchanged, please readjust according to a table. • When other parts are exchanged, please perform only a check of operation. There is no necessity for readjustment. Replacement parts Adjustment Item Parts Name... -
Page 10: Pc Board (Component Side View)
PC BOARD (COMPONENT SIDE VIEW) 3 7 63 1515 0 X32-5380-00 (J74-1485-12) L 13942296513 X32-5380-00 Ref. No address u163 Refer to the schematic diagram for the values of resistors and capacitors. - Page 11 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 X32-5380-00 (J74-1485-12) B/TE VREF VDET LDON A/TE TRCRS REFNV TRK IN TRK OUT D/ARF NRFDET FCS UP GCTL FCS DOWN VREF2 D.GND BU.5V D.OUT SLED IN 12EJE /EJECT SLED OUT DATA /CLK /LOAD...
- Page 12 PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 L 13942296513 X25-9600-xx u163 Ref. No address Ref. No address Ref. No address Q101 Q223 Q224 IC10 Q251 IC11 Q501 IC12 Q502 Refer to the schematic diagram for the values of resistors and capacitors.
- Page 13 PC BOARD 3 7 63 1515 0 (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) (FOIL SIDE VIEW) X16-1460-1x/2370-10 (J74-1285-32) X16-1460-1x/2370-10 (J74-1285-32) X89-2590-10 (J74-1472-02) W102 CN90 R230 R229 R226 R225 W101 DATAS CN91 L-CE ILL GND X89-2590-10 Ref. No address L 13942296513 Q221 Q222 Q225...
- Page 14 CD PLAYER UNIT (X32-5380-00) 3 7 63 1515 0 DTC114YUA DTC143TUA UN5111 D.GND 2SA1036K C34 0.1 4.80V 2SA1362 C32 0.1 2SA1576A BU+5V 4.80V 2.40V R100 C100 8EJE(SW2) 2200P 2200P 1000P 12EJE/SDET(SW3) 4.7K 4.80V LOE/LIM(SW4) 2SC4081 PCK/NTLOCK/FCLK/STLD 2200P 2200P EFM/NFLOCK/CLDCK/STCK SENSE/RESY/FLAG/STOUT CLVS/VDET/CRC DEMPH/TRCRSO/TEXTCRC 6800P...
- Page 15 3 7 63 1515 0 RFENV IOP+ IOP- R7 3.6K 3.3K C45 0.1 C44 1000P 1.25V 2.40V C43 2200P 1.70V IREF PLLF2 0.047 0.95pp PLLF R39 100K 2.50V 0.91pp 0.87pp RFSW 1000P 4.7K 2.45V DSLF AVSS2 4.80V DVSS1 DVDD1 VDET 0-4.8V 220K 0.015...
- Page 16 J4 TOP VIEW ∗ DATA H CHCON D GND REAR 3 7 63 1515 0 (X89-2590-10) CN90 REQ C DATA C A GND MUTE REQ H R225 R226 ∗ ∗ (X25-9600-XX) Q221,222 C227 C228 680P 680P AUDIO Q221 Q222 MUTE D GND AUDIO R227...
- Page 17 3 7 63 1515 0 E2P-ROM IC12 ∗ 3.3K Q251 5.0V 1/2W SURGE W158 DETECTOR ∗ D252 R258 0.01 A. C. C DETECTOR 5.0V B. U. DETECTOR MUTE LOGIC ∗ 100K 100K POWER AMPLIFIRE W407 R252 4.7K W408 R253 4.7K L101 4.7uH CF54...
- Page 18 C51 C106 NAME SERBOGND KDC-2022V (K) R101 0-10 NO 1500P D102 KDC-2022 (K) SERBO+B KDC-202MR (K) 0-11 1500P MO SW ∗ Q101 KDC-4023 (M) 0-21 1500P LO/EJ L 13942296513 UNIT C227,228,529, C404, DRIVER C256 C521 C522 C523 557,558,590,592 528,589 5.0V 5.0V...
- Page 19 3 7 63 1515 0 SWITCH UNIT (X16-1460-1x/2370-10) (B38-1080/1081/1126-05) : KDC-4023/202MR/2024SA/2024SG/2024SYA/2024SYG/2094YA/2094YG/2022/2022V/2023/3023/RX-491CD/RY-391CD (B38 TP35 REMOTE ESD-GND SENSOR TP34 PANEL- ∗ TP24 KEY DETECT R13 47 SW5V TP9 TP8 TP33 ∗ L 13942296513 R12 1K REMO TP27 R2 470 L-DATAS X14- TP28...
- Page 20 X16-1460-01 B30-1642-05 B30-1633-05 RX-491CD (J) (GREEN) (BLUE) B30-1533-05 B30-1533-05 RY-391CD (J) X16-1460-03 B30-1633-05 TP12 (GREEN) (GREEN) VOL+ B30-1564-05 or B30-1533-05 KDC-4023 (M) X16-1460-11 B30-1642-05 B30-1633-05 (GREEN) (BLUE) B30-1533-05 B30-1533-05 KDC-202MR (K) X16-1460-12 B30-1633-05 (GREEN) (GREEN) KDC-1023 (M) B30-1533-05 B30-1533-05 X16-1460-13...
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Page 21: Exploded View (Mechanism)
KDC-2022/V/202MR/4023 EXPLODED VIEW (MECHANISM) 3 7 63 1515 0 DPU1 L 13942296513 DFPC1 (X32) φ : N09-4460-05 M1.7x8.5 : N09-4472-05 M1.7x2.5 : N09-6004-05 φ : N09-6006-05 2x3.5 u163 : N09-6007-05 M2x2 φ : N09-6051-05 2x6(BLK) : N19-2163-04 1.6 WASHER : N39-2020-46 M2x2 : N09-6108-05 M2x3.5... -
Page 22: Exploded View (Unit)
KDC-2022/V/202MR/4023 EXPLODED VIEW (UNIT) 3 7 63 1515 0 M3x8 : N30-3008-46 DME1 φ 2x6 : N80-2006-46 φ 2x8 (BLK) : N80-2008-45 φ 3x5 : N83-3005-46 φ 3x10 : N80-3010-46 φ 3x20 : N83-3020-46 φ 2.6x6 : N86-2606-46 φ 1.5 RING : N29-0205-04 (X89) L 13942296513... -
Page 23: Parts List
R21 ,22 RK73FB2B221J CHIP R J 1/8W K24-3826-04 KNOB (EJECT) MA3062WA ZENER DIODE K25-1396-03 KNOB (PRE1-6,ATT,RESET) LC75853NE MOS-IC K25-1397-03 KNOB (AUTO,CLK,FM,AM) RS-171 ANALOGUE IC K : KDC-2022V K2 : KDC-202MR indicates safety critical components. K1 : KDC-2022 M1 : KDC-4023... - Page 24 L40-3301-58 SMALL FIXED INDUCTOR(33U) C528 CC73GCH1H060D CHIP C 6.0PF L503 L40-1021-56 SMALL FIXED INDUCTOR(1MH) C530 CC73GCH1H040C CHIP C 4.0PF L504 L40-1011-58 SMALL FIXED INDUCTOR K : KDC-2022V K2 : KDC-202MR indicates safety critical components. K1 : KDC-2022 M1 : KDC-4023...
- Page 25 CHIP R 100K J 1/10W R129,130 RK73GB2A222J CHIP R 2.2K J 1/10W R528 RD14BB2C104J 100K J 1/6W R131 RK73GB2A682J CHIP R 6.8K J 1/10W K : KDC-2022V K2 : KDC-202MR indicates safety critical components. K1 : KDC-2022 M1 : KDC-4023...
- Page 26 1SS133 DIODE CK73GB1H472K CHIP C 4700PF K D103 DA204U DIODE CK73GB1C333K CHIP C 0.033UF K CK73GB1H682K CHIP C 6800PF K D106 MA4062-L ZENER DIODE K : KDC-2022V K2 : KDC-202MR indicates safety critical components. K1 : KDC-2022 M1 : KDC-4023...
- Page 27 J 1/10W D10-4579-03 LEVER ASSY RK73GB2A103J CHIP R J 1/10W D10-4581-13 RK73GB2A622J CHIP R 6.2K J 1/10W D10-4582-13 RK73GB2A224J CHIP R 220K J 1/10W D10-4583-03 K : KDC-2022V K2 : KDC-202MR indicates safety critical components. K1 : KDC-2022 M1 : KDC-4023...
- Page 28 PAN HEAD MACHIN SCREW N09-6108-05 MACHINE SCREW (M2 3.5TYPE3) T42-1066-04 DC MOTOR ASSY (SP) T42-1067-04 DC MOTOR ASSY (LO) DPU1 X93-2010-00 OPTICAL PICKUP ASSY u163 K : KDC-2022V K2 : KDC-202MR indicates safety critical components. K1 : KDC-2022 M1 : KDC-4023...
- Page 29 KDC-2022/V/202MR/4023 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. 5 = Value 101 = 100pF Multiplier...
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Page 30: Specifications
Weight 3.1lbs (1.4kg) 3.1lbs (1.4kg) 3.1lbs (1.4kg) 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. KENWOOD USA CORPORATION Via G.