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Kenwood KDC-2022V, Service Manual

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Kenwood KDC-2022V Service Manual Download Page 1

© 2002-11 PRINTED IN JAPAN
B53-0003-00 (N) 1724

COMPACT

DIGITAL AUDIO

RDM

LOUD

REP

SCAN

OFF

KDC-XXXX

CRSC

AME

AUTO

ADJ

CLK

AUD

50Wx4

Panel assy
(A64-2864-02): KDC-2022V
(A64-2865-02): KDC-2022

Escutcheon
(B07-3022-02): KDC-4023

Escutcheon
(B07-3022-02): KDC-202MR

(B07-3060-02): KDC-2022/V

(A64-2871-02): KDC-4023

CD MD-Changer Control

M. RDM

M. RDM

COMPACT

RDM

LOUD

REP

SCAN

OFF

KDC-202MR

CRSC

AME

AUTO

ADJ

CLK

AUD

45Wx4

Panel assy

(A64-2866-02): KDC-202MR

DC cord

(E30-4784-05)

CD MD-Changer Control

DIGITAL AUDIO

Depends on model. Refer to the parts list

Lever

(D10-4589-04)x2

Mounting hardware assy

(J21-9716-03)

Plastic cabinet assy

(A02-1486-13)

Remote controller assy

(A70-2025-05)

Screw set

(N99-1719-05)

Screw set

(N99-1610-15)

CD RECEIVER

KDC-2022/V
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).

CD mechanism extension cord : W05-0618-00

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

Summary of Contents for KDC-2022V

Page 1: ...4 05 CD MD Changer Control DIGITAL AUDIO Depends on model Refer to the parts list Lever D10 4589 04 x2 Mounting hardware assy J21 9716 03 Plastic cabinet assy A02 1486 13 Remote controller assy A70 2025 05 Screw set N99 1719 05 Screw set N99 1610 15 CD RECEIVER KDC 2022 V KDC 202MR KDC 4023 SERVICE MANUAL CD mechanism operation description is not in this sarvice manual Please refer to sarvice manu...

Page 2: ...H CH CON AUDIO OUT CLK REQ C RST BACK UP BU5V IC2 SW5V LO S RST LOE LIM MO LO EJ STOP MUTE 8EJE SDA SCLK AUDIO OUT 12EJE Q501 Q502 AM B FM B AM AGC OUT IC6 CH CD SERVO BU5V A8V TUNER OUT BU5V IC11 IC12 IC10 FM AGC OUT A8V SW2 SW1 ILLUMI VCC BU5V AUDIO B AM B FM B BACK LIGHT KEY ILLUMI Q51 55 SW5V Q50 SERVO BU5V FM B AM B A8V P CON P ANT IC8 Q20 Q10 IC7 MUTE Q223 224 IC4 www x ia o y u 1 6 3 c o m ...

Page 3: ...on IC8 MUTE Logic When a pin 3 4 or 5 is H P AMP mute turns ON Changer is RESET when a pin 9 10 or 11 is L IC10 Tuner E Vol FM AM tuner stereo decoder E Vol IC11 Power on reset When B U 5V voltage is less than 3 5V power reset IC12 E2P ROM Writing and read out of adjustment data for a tuner Q10 B U detector BU on base H Collector H Q20 A C C detector ACC ON bace H Collector L Q40 MUTE driver Base ...

Page 4: ... 20 NC O Not used output L 21 AFS O Noise detection time constant switching terminal H Normal L FM AM seek and AF search 3 When tuner SRC auto zero L 22 24 NC O Not used output L 25 CH CONT O Changer control H Changer on L Changer off Except changer model output L 26 TYPE REF O 5V lines output for destination setting H During destination reading 27 SD I Tuner SD input H Station detected 28 NC O No...

Page 5: ... RDS clock input Except RDS model output L H Changer detection 63 CH REQC I Request input from the changer new 5L L Request Except Changer model output L 64 LOS SW I CD mechanism loading s switch detected H No disc L DISK IN Loading Start 65 KEY REQ I Key input detected H Key no input 11pin L connected to the DATA L L Key input edge key data reading start 66 12EJE SW I 12cm disc detected L 12cm di...

Page 6: ...ound lines for analog circuit For audio output Lch and Rch in one 27 OUTR O Rch audio output 28 AVDD1 Power supply for analog circuit For audio output Lch and Rch in one 29 OUTL O Lch audio output 30 DVSS3 Ground lines for digital circuit 31 CSEL I Oscillation frequency specification terminal H 33 8488MHz L 16 9344MHz 32 NC O Not used 33 ASEL I Audio output polarity switching terminal L Reverse H ...

Page 7: ...EQ switching terminal L x2 times H x1 times 71 XSEL I During the external DAC connection MCLK external input H input 72 MCNT I CD mecha Loading Eject control ON OFF L OFF HOST control H mechanism control 73 P ON O Audio and servo origin power control terminal L power on H power off 74 MOTOR O Loading Eject control switching terminal At that time LO EJ is H 75 LO EJ O Loading Eject control terminal...

Page 8: ...with which S METER DC voltage serves as the maximum are turned and adjusted in the above mentioned SG input By the above mentioned adjustment method same adjustment is performed to both sides ANT RF Coil 1 3 Adjustment of FM_ANT RF Coil Voltage Check Point S_METER Check Land PWB Side_B around W572 Adjustment Coil ANT_Coil L505 RF_Coil L506 Setting of Signal Generator Refer to the following tables ...

Page 9: ...5 L505 E K M L31 0967 05 W Wide Band L31 0968 05 RF Coil J L31 0969 05 L506 E K M L31 0970 05 W Wide Band L31 0971 05 VCO Coil J L32 0932 05 L507 E K M L32 0933 05 W Wide Band L32 0934 05 1st MIX Coil L508 ALL L30 0770 05 2nd MIX Coil L509 ALL L30 0771 05 Variable Capacitance Diodes D504 J E K M KV1720S W Wide Band KV1735S Variable Capacitance Diodes D505 J E K M KV1720S W Wide Band KV1735S Variab...

Page 10: ...5 R83 R81 C61 R82 R84 R86 R88 R87 D3 S1 IC2 IC4 S4 S3 S2 X32 5380 00 J74 1485 12 EB Q6 PC BOARD COMPONENT SIDE VIEW 10 Refer to the schematic diagram for the values of resistors and capacitors Ref No address IC2 3B IC4 5B Q6 2C X32 5380 00 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 Q...

Page 11: ...D GCTL NRFDET RW LDCNT PWM FBAL TBAL FE B TE VDET VREF LDON A TE BDO OFT D ARF TRCRS REFNV LOS DATA 12EJE CLK 8EJE SLED IN EJECT BU 5V VCC E F IOP IOP VREF ARF RF GND R11 R15 1 1 16 22 1 1 15 30 16 32 17 16 C11 C9 C52 R38 C34 R100 CP3 R48 R33 R71 C49 R89 C38 R34 R32 C37 R51 C51 C77 R91 R92 C78 R90 R52 C17 C18 CP4 R35 C39 R14 C13 R8 D1 CN1 IC1 E B Q5 EB Q3 CN2 EB Q4 PC BOARD FOIL SIDE VIEW Ref No a...

Page 12: ...62 D263 D265 D401 D402 D403 D404 D405 D407 D408 D409 D410 D109 D110 D266 D40 D1 D10 J4 Q55 D101 D12 D14 D30 J2 J3 J5 D20 D70 D106 D251 D252 D253 P1 D51 L514 L511 C562 L516 L508 L510 C512 R143 C353 R171 L515 W404 L517 C561 C351 C505 C507 C508 C547 C563 C565 C584 C591 CF54 L509 W25 L4 L505 L506 L507 R227 R228 C204 C205 C401 C402 L501 L502 L503 L504 L512 L513 R164 R165 R166 R167 R168 R169 R170 R231 R...

Page 13: ...DATAS ILL GND PAN 5V RES KI4 KI2 KI3 KI5 KS2 KS3 KI1 KS4 Q1 J1 D22 IC1 X16 1460 1x 2370 10 J74 1285 32 VOL 1 2 4 3 SRC ATT 1 2 3 4 5 6 RST CLK TI AUD AM FM EB PC BOARD COMPONENT SIDE VIEW FOIL SIDE VIEW FOIL SIDE VIEW Ref No address IC1 5R IC2 2Q Q1 6R X16 1460 1x 2370 10 Ref No address Q221 2T Q222 2S Q225 3T X89 2590 10 R226 R221 R222 R225 C221 C222 R229 R230 W101 W102 3 1 1 5 B E B E B E Q221 Q...

Page 14: ...SO TEXTCRC SENSE RESY FLAG STOUT EFM NFLOCK CLDCK STCK PCK NTLOCK FCLK STLD DATA MSEL1 MSTOP OCD CLK RST IFZR IFZL 100Kx4 R43 CP5 61 63 62 65 64 66 R100 C100 16 934MHz X1 1000P 10 R42 4 7K 49 DRV MUTE VER HOR TEST2 TEST1 XSUB2 XSUB1 DVSS2 DVDD3 NC 60 59 58 57 56 52 55 54 53 X2 51 50 X1 CLVS VDET CRC LOE LIM SW4 12EJE SDET SW3 8EJE SW2 HOT 48 47 46 45 44 43 42 41 LRCK SRDATA VREFP 40 38 39 ICRST BC...

Page 15: ... 1000P R38 220K C31 0 1 C40 0 015 C41 C39 0 01 39K R35 R53 4 7K 10K R36 C10 0 033 R9 3 9K 4700P C14 C15 2200P B TE 17 R41 47K C3 1 16 FCS TRK TRK FCS GND C D GND VCC TBAL FBAL GCTL FEOUT FEN TEN TEOUT TEBPF VDET C52 0 1 R52 4 7K B GCTL 6 2K R37 24 VDET C13 270P R8 27K 19 18 20 22 21 23 C16 330P R11 33K 27 25 26 F E 28 D 30 29 32 C 31 A R15 4 7K IOP IOP R4 10 R1 91 12 16 15 14 13 A 9 11 10 F B 8 7 ...

Page 16: ...C523 C521 C524 R521 W400 C525 0 01 C522 GND 100K L4 C516 L501 6 8uH 45 C534 0 01 C583 0 1 L511 4 7uH 4 7uH 10 700MHz W511 W508 W401 C528 R524 100K C543 68P R544 C542 22P 18 C541 17 C544 15P 6P W500 100K R527 W504 W415 R525 330 C533 0 01 C513 0 01 C515 1 7 6 3 C514 0 01 R528 100K 15 C512 4 7u16 W533 100K C531 1 C535 2P C530 R523 100K C536 L506 10 W524 330 R529 13 R526 12 8 L510 4 7uH C511 0 01 AMMI...

Page 17: ... R107 2 2K R121 2 2K R105 470 14 15 14 13 12 16 15 CH DATAC L CLK L DATAS R QUAL R DATA VDD0 S METER AVREF0 76 75 IC XT1 XT2 74 73 72 X1 71 70 19 17 15 13 11 9 7 5 3 C583 0 1 W511 FMDEMREF FMDEM AMIF2AMP REF AMIF2AMPIN AMAGC2TC AMMIX2OUT AMMIX2IN2 FMAMP2OUT C584 10u10 L509 AMMIX2IN1 68 69 67 DEMGND SMETERC 64 65 66 61 62 63 10 700MHz 4 7K W509 GND OUT IN 3 2 1 450kHz CF54 C588 0 47 C586 C587 W510 ...

Page 18: ...34 DATA MUTE 35 CLK 36 37 43 ACC DET PS1 0 PS1 1 44 45 46 P STBY SW5V B U DET 39 N C P MUTE 38 41 42 SVR 40 R69 10K R68 10K R264 47K R255 33K W532 KDC 2022V K SERBOGND 21 R101 D GND 9 R117 R114 47K R111 0 1 R112 0 1 2W 36 35 R116 10K 1K R119 47K 37 R118 10K 1K R115 37 MSCLK 4 R143 4 7K R141 4 7K 66 64 SW2 2 D OUT 1 SW1 3 W165 4 7K R142 2 36 MSDA MECHDET 5 6 BU 5V N C 7 8 39 47K R174 R108 2 2K ADJ ...

Page 19: ...P30 TP29 TP27 TP28 TP26 TP22 TP21 TP5 TP4 TP3 TP1 TP2 TP9 TP8 TP6 TP7 T T T T T C4 R7 1 2 OUT VCC 4 3 GND2 GND1 R12 1K 2 2 R13 47 IC2 5V 5V TP33 TP24 TP34 C5 REMO C6 0 01 C7 0 01 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 KS5 KS4 KS3 KS2 N C COM3 COM2 COM1 S40...

Page 20: ... K 390 B30 1567 05 YES YES RED B30 1633 05 BLUE B30 1564 05 X16 2370 11 KDC 122S K KDC 122 K 510 B30 1567 05 NO NO RED B30 1633 05 RED B30 1567 05 X16 2370 12 KDC 222S K KDC 222 K 510 B30 1567 05 NO NO RED B30 1633 05 B30 1564 05 BLUE NO YES YES YES YES YES YES YES NO YES YES NO YES C5 R13 YES NO YES YES YES YES NO YES YES YES NO D22 YES YES YES NO YES YES YES YES NO YES YES YES NO YES YES B30 164...

Page 21: ...3 40 15 39 42 11 13 12 10 22 32 35 43 2 37 Bx2 Ax2 Jx2 DPU1 H F F G DFPC1 E A B C D E F G H J N09 4460 05 N09 4472 05 N09 6004 05 N09 6006 05 N09 6007 05 N09 6051 05 N19 2163 04 N39 2020 46 N09 6108 05 φ2x8 M1 7x8 5 M1 7x2 5 φ2x3 5 M2x2 φ2x6 BLK 1 6 WASHER M2x2 M2x3 5 X32 8 809 5 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513...

Page 22: ...10 702 722 743 241 240 229 215x2 223x2 DC1 201 RM1 708 727 728 751 742 x16 704 236 237 235 232 226 233 249 245 247 246 250 248 218 234 211 238 X16 205 216 213 224 203 214 225 Depends on the model Refer to the parts list D A A D D PA1 B B C C C C ED1 J 4 J 5 J 1 J 3 X25 X89 J 2 Fx2 F E E G D DME1 220 Dx2 H D 757 756 744 723 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4...

Page 23: ...UTO CLK FM AM Ref No A d d N e w Parts No Description 240 1C N99 1610 15 SCREW SET KK1M1 241 1C N99 1719 05 SCREW SET A 3D N30 3008 46 PAN HEAD MACHINE SCREW B 3C N80 2006 46 PAN HEAD TAPTITE SCREW C 2C N80 2008 45 PAN HEAD TAPTITE SCREW D 1D N83 3005 46 PAN HEAD TAPTITE SCREW H 1C N29 0205 04 RETAINING RING 1 5 DME1 1D X92 4640 00 MECHANISM ASSY 245 2C B11 1358 04 OPTICAL DIFFUSER K1M1 245 2C B11...

Page 24: ...6 0PF D C530 CC73GCH1H040C CHIP C 4 0PF C Ref No A d d N e w Parts No Description C531 CK73FB1C105K CHIP C 1 0UF K C533 534 CK73GB1H103K CHIP C 0 010UF K C535 CC73GCH1H020C CHIP C 2 0PF C C536 CC73GCH1H040C CHIP C 4 0PF C C537 538 CC73GCH1H080D CHIP C 8 0PF D C541 CC73GCH1H040C CHIP C 4 0PF C C542 CC73GCH1H220J CHIP C 22PF J C543 CC73GCH1H680J CHIP C 68PF J C544 CC73GCH1H150J CHIP C 15PF J C545 CK...

Page 25: ... CHIP R 6 8K J 1 10W Ref No A d d N e w Parts No Description R132 RK73GB2A222J CHIP R 2 2K J 1 10W R133 RK73GB2A123J CHIP R 12K J 1 10W R136 RK73GB2A473J CHIP R 47K J 1 10W KK1K2 R136 137 RK73GB2A473J CHIP R 47K J 1 10W M1 R138 139 RK73GB2A473J CHIP R 47K J 1 10W KK1K2 R139 RK73GB2A473J CHIP R 47K J 1 10W M1 R141 RD14BB2C472J RD 4 7K J 1 6W R143 RD14BB2C472J RD 4 7K J 1 6W R144 RK73GB2A104J CHIP R...

Page 26: ...F60 DIODE D14 AM01Z DIODE D20 MA4068 N M ZENER DIODE D40 1SS133 DIODE D50 DAN202U DIODE D51 MA4082 N L ZENER DIODE D70 MA4068 N M ZENER DIODE D101 1SS133 DIODE D103 DA204U DIODE D106 MA4062 L ZENER DIODE Ref No A d d N e w Parts No Description D107 MA3062WA ZENER DIODE D108 MA4062 L ZENER DIODE D110 HZS12A2 ZENER DIODE D201 202 MA4068 N M ZENER DIODE D251 253 1SS133 DIODE D261 263 AM01Z DIODE KK1M...

Page 27: ...2A183J CHIP R 18K J 1 10W R34 RK73GB2A103J CHIP R 10K J 1 10W R35 RK73GB2A393J CHIP R 39K J 1 10W R36 RK73GB2A103J CHIP R 10K J 1 10W R37 RK73GB2A622J CHIP R 6 2K J 1 10W R38 RK73GB2A224J CHIP R 220K J 1 10W Ref No A d d N e w Parts No Description R39 RK73GB2A104J CHIP R 100K J 1 10W R40 RK73GB2A821J CHIP R 820 J 1 10W R41 RK73GB2A473J CHIP R 47K J 1 10W R42 RK73GB2A472J CHIP R 4 7K J 1 10W R43 RK...

Page 28: ...41 1B G01 3075 04 EXTENSION SPRING 42 2A G01 3076 04 EXTENSION SPRING 43 1B G01 3077 04 EXTENSION SPRING 44 2B G02 1399 04 FLAT SPRING 45 2B G02 1408 04 FLAT SPRING 51 1A J21 9676 22 MOUNTING HARDWARE 52 3B J21 9677 02 MOUNTING HARDWARE 53 1B J21 9678 03 MOUNTING HARDWARE 55 1A J90 1001 11 GUIDE 56 1B J90 1023 03 GUIDE A 2B N09 4460 05 TAPTITE SCREW OVAL P TAPTIT B 1B N09 4472 05 MACHINE SCREW M1 ...

Page 29: ...0 40 80 100 More than 10µF 10 50 20 20 0 Less than 4 7µF 10 75 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 2 3 4 5 6 7 1 Type Chip CH RH UJ ...

Page 30: ...t Consumption 10A 10A 10A Installation Size W 182 mm 7 3 16 in 182 mm 7 3 16 in 182 mm 7 3 16 in H 53 mm 2 1 16 in 53 mm 2 1 16 in 53 mm 2 1 16 in D 157 mm 6 3 16 in 157 mm 6 3 16 in 157 mm 6 3 16 in Weight 3 1lbs 1 4kg 3 1lbs 1 4kg 3 1lbs 1 4kg KDC 2022 2022V KDC 202MR KDC 4023 KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD USA CORPORATION P O BOX 22745 2201 E...

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