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Kenwood KDC-1028, Service Manual

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Kenwood KDC-1028 Service Manual Download Page 25

25

KDC-1028/128/128CR

KDC-129/129S/229

EXPLODED VIEW (UNIT)

Parts with the exploded numbers larger than 700 are not supplied.

3

2

1

D

C

*

(X89-)

(X34-)

(X16-)

F1

FC1

*

228

DME1

A
B
C
D
E
F
G
H
J

: N29-0205-04
: N80-2006-48
: N80-2008-43
: N83-3005-48
: N86-2610-48
: N80-3010-48
: N83-3005-48
: N83-3020-48
: N86-2606-48

*

RC1

201

242

209

266

262

767

x2

223

x2

*

233

x2

D

D

x2

H

x2

E

x2

C

x2

C

x2

A

F

H

G

773

772

D

D

D

B

B

F

J

(X34)

785

732

701

PA1

261

259

257

213

210

241

255

708

254

253

238

252

251

705

771

226

206

204

237

222

236

221

224

DC1

207

* 

Depends on the model.  Refer to the parts list.

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-1028

Page 1: ...ANEL ASSY KDC 229 A64 3451 02 MOUNTING HARDWARE ASSY J21 9716 03 LEVER D10 4589 04 x2 SCREW 4x16 N84 4016 48 DC CORD E30 6415 15 REMOTE CONTROLLER ASSY RC 507 A70 2070 05 BATTERY Not supplied SCREW SET N99 1757 05 ESCUTCHEON B07 xxxx xx PLASTIC CABINET ASSY A02 2736 03 VOL AUD FF SET UP SCAN RDM REP AUTO AME AUTO AME VOL AUD FF SET UP SCAN RDM REP AUTO AME VOL AUD FF SET UP SCAN RDM REP VOL AUD FF...

Page 2: ... J K Type AM J K Type AM E Type 1800mV 1372mV 600mV 855mV 3600mV 3600mV ELECTRIC UNIT X34 SWITCH UNIT X16 7 VREF L ch R ch A GND A8V D GND BU5V LOE LIM SW 12EJE SW LOS SW S7 5V LO EJ MOTOR S GND VREF VREF 2 2 4 DRV MUTE MUTE DOUT DATA 4 2 CLK MSTOP MRST MUTE L MUTE R 2 2 H L 12 5 2 4 3 20 21 13 15 1 14 9 7 6 8 18 12 11 10 22 19 E F A C B TR COIL FO COIL APC SERVO u COM IC2 Q1 16 934MHz CLOCK X1 DR...

Page 3: ... RF AMP Adjusts for AM RF gain CD PLAYER UNIT X32 5750 00 Ref No Application Function Operation Condition Generation of RF signal based on the signals from the APC circuit and pickup and IC1 RF AMPLIFIER responding generation of servo error focusing error and tracking error signals to CD RW Detection of dropout anti shock track crossing and off tracking conditions included gain control function du...

Page 4: ...RUTH TABLE 6 TUN TYPE2 I E VOL setting switch Refer to TUN TYPE on the TRUTH TABLE 7 AVREF1 8 VFD DATAF I Data input from VFD driver 9 VFD DATAS O Data output to VFD driver 10 VFD CLK O Clock output to VFD driver 11 L VFD RST O Reset output to VFD driver Display OFF Key reset TDF panel OFF L Display ON Key scan H 12 VFD CE O Chip enable output to VFD driver 13 ROTARY CCW I Rotary encoder input 14 ...

Page 5: ...NC 45 CD MUTE I CD mute request L Mute request 46 L CD MSTOP O CD mecha u com stop H mecha µ com operates L mecha µ com is stopped 47 CD LOE LIM SW I CD detection chucking switch H Loading is finished L Disc does not exist 48 CD LOEJ I O CD motor control Refer to CD MECHA CONTROL OPERATION on the TRUTH TABLE 49 CD MOTOR O CD motor control Refer to CD MECHA CONTROL OPERATION on the TRUTH TABLE 50 N...

Page 6: ... models commercially designated as pure KENWOOD brand CRSC is changed H L Multi Path Band Path Gain 12dB Multi Path Charge Current 0 4µA De Emphasis 75µS POWER SUPPLY IC IC3 CONTROL SEL1 Pin No 11 PS1 2 PS1 3 PS2 1 ILLUMI P CON P ANT L L L OFF OFF OFF L L H ON OFF OFF H L H ON ON OFF H H H ON ON ON SEL2 Pin No 12 PS1 1 PS2 2 AUDIO SW5 AM L L OFF OFF OFF H L ON ON OFF H H ON ON ON CD MECHA CONTROL ...

Page 7: ...output for ARF 16 ARF I RF signal input 17 RFSW I DSL circuit time constant switch 18 PLLF I O Loup filter for PLL 19 PLLF2 I O Loup filter character switch for PLL 20 IREF I Reference current input 21 RFENV I RF envelope signal input 22 TRCRS I Tracking cross signal input 23 TE I Tracking error signal input 24 FE I Focusing error signal input 25 AVDD2 Power supply for analog circuit For DSL PLL a...

Page 8: ...SI reset input 64 OCD CLK 65 L MSTOP I Standby detection 66 DATA I O I2C bus data line Communication line to system µ com During serial writer is connected 67 SBIO I Data input During serial writer is connected 68 L CLK I O I2C bus clock line Communication line to system µ com During serial writer is connected 69 TX O Digital audio interface signal output 70 NC No connection 71 XSEL 72 MCNT I Load...

Page 9: ...splay Display _ _ _ X xxxx MAX 60 000 hours The display is cleared by pressing the key for more than 2 seconds PRESET When pressed for less than 1 second CD EJECT 5 key number display Display _ _ _ X xxxx MAX 60 000 times The display is cleared by pressing the key for more than 2 seconds PRESET When pressed for less than 1 second Panel open 6 key close number display Display _ _ _ X xxxx MAX 600 0...

Page 10: ...ws REPLACED PARTS ADJUSTMENT ITEMS Ref No Function Parts name 1st AM MIX 2nd AM MIX FM antenna IC10 E VOL TUNER YES YES YES IC11 E2PROM YES YES YES L507 VCO COIL YES YES YES L508 1st AM MIX IFT YES L509 2nd AM MIX IFT YES L518 FM ANTENNA COIL YES D504 VARIABLE YES YES YES CAPACITANCE DIODE D506 VARIABLE YES YES YES CAPACITANCE DIODE X501 CRYSTAL RESONATOR YES YES YES 1st AM MIX 2nd AM MIX ADJUSTME...

Page 11: ...7 R18 R19 R21 R22 R31 R32 R33 R34 R62 R63 R71 R72 R74 R75 R77 R82 W1 W2 R23 R78 R61 R80 RTRY CW RST KS3 ESD GND CLK REMO TDF DET RTRY CCW DATAS ILL D GND 2 14 KS1 KI4 KI1 KI2 KI3 LED B DATAF CE KS4 PAN5V FL SW9 8V KS2 PAN SW5V FL B VFD RST KI5 1 80 61 60 41 40 21 20 1 15 EB EB EB C65 D96 D71 D72 D73 D74 D75 D76 D77 J1 Q1 Q2 Q21 IC1 X16 2940 xx Ref No Address IC3 2B X16 2940 xx Ref No Address IC1 4...

Page 12: ...8 W81 R51 R54 R55 R60 R75 R76 R77 R78 R83 R86 R87 R88 R89 R90 R112 R113 C118 R178 R180 R181 R1 R200 R251 R255 R256 R271 R272 R273 R351 R352 R353 R355 R356 R357 R358 R359 R360 R368 R369 R370 R371 R431 R432 R433 R437 R438 R439 R450 R451 R452 R457 R470 TH1 R131 W71 W98 W61 C152 W59 W60 R114 R199 R372 W63 W57 W66 W62 W65 W64 R480 W53 W51 26 8 1 3 1 1 5 R G L 1 12 2 24 1 23 16 9 27 W W97 W91 W83 W82 R3...

Page 13: ... R96 R98 R152 R153 R156 R157 R158 R159 R160 R161 R162 R163 R164 R178 R182 W94 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R332 R435 R436 R501 R502 R503 R505 R507 R520 R521 R522 R543 R545 R546 R561 R566 C620 R567 R589 R590 R591 R592 R603 R594 R602 W69 W252 L600 W67 W73 R480 W87 C602 W506 W804 W812 W814 C610 R599 W604 W611 W805 W605 W802 W832 W826 R331 W75 L 9 10 6 7 5 1 2 5 1 5 1 1 15 2 ...

Page 14: ...0 R53 R81 R82 R83 R84 R85 R86 R87 R88 X1 1 4 8 5 1 20 21 40 41 60 61 80 E B D3 Q6 S1 S2 S3 S4 IC2 IC4 CD PLAYER UNIT X32 5750 00 J76 0059 02 Refer to the schematic diagram for the values of resistors and capacitors X32 5750 00 Ref No Address IC2 4S IC4 2S Q6 5R 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 89249...

Page 15: ...NV TRCRS OFT BDO PWM FE B TE TBAL LDON A TE VDET LD K24 24 SPDL SPDL A GND Lch A 8V Rch S 7 5V S GND MOTOR LO EJ 8EJE GND SLED OUT LOAD SLED IN EJECT TRK IN TRK OUT FCS DOWN FCS UP D GND B C A VR VCC MUTEL MUTER 12EJE D OUT LOS LOE LIM 1 CLK DATA LDCNT MRST MSTOP NRFDET GCTL TRK DRVMUTE AA 1 15 16 30 1 16 32 17 Vref Vref Vref 2 E B E B EB E B E B P51 P50 P53 P54 P52 Refer to the schematic diagram ...

Page 16: ...503 0 1 C505 4 7u16 C502 L502 33uH 1500P R501 6 8K 6 8uH R502 2 2K L518 C526 100P L521 10NH C604 C518 C520 1 C517 0 47 C606 C605 L506 100P R503 2 2K C507 22u10 C506 1K 0 68 C510 100P C509 68P R504 4 7 C508 22u10 1K C602 150P L600 TP506 L4 R505 L503 1000uH R594 10 R605 10 100uH TP507 1K R172 TP345 L602 R2 100 R1 100 C581 450 000kHz CF54 VCCIF1 IF1AMP1OUT IF1REF IF1AMP1IN GND IF1AGCIN FSTC AMAGC2TC ...

Page 17: ...4 TP365 TP364 TP363 TP367 TP366 0 47u50 470 470 R352 2 2K R351 2 2K R370 4 7K 0 47u50 R363 4 7K R358 2 2K R357 2 2K R356 1K R355 1K R353 1K SERVO 1 TP369 TP371 TP374 TP373 TP372 R360 2 2K R359 100 R470 TP432 R450 470 R451 470 R452 470 TP406 TP405 TP407 CD LOS SW 54 53 52 51 50 49 48 47 46 45 44 43 CD LOEJ CD MD LOE LIM SW CD MD MSTOP CD MD MUTE NC NC CD DISC12 SW CD MD MRST CD DISC8 SW CD MOTOR CD...

Page 18: ...0 CON REQ M GND B U Rch A GND 4 8 0 47 R310 100 C301 10 R311 100 DATA S RST DATA M CLK REQ S MUTE 11 10 2 3 6 7 1 5 13 9 TP308 TP310 TP309 TP312 TP311 W252 TP313 W251 C3 0 22u50 R252 47K 10K R273 470K R272 R271 100 C256 1u50 C255 R251 C258 1u50 C4 0 22u50 C6 0 22u50 C5 0 22u50 R255 12 11 OFFDET OUT1 OUT2 OUT2 OUT1 FR FL FL FR 6 4 2 10 8 9 5 3 1 7 TAB1 PWGND1 PWGND2 STBY VCC1 OUT4 OUT3 OUT4 SGND OU...

Page 19: ... YES YES YES YES YES YES YES YES YES 2 72 0 01 0 10 0 11 0 22 0 21 2 73 2 71 2 74 0 10 0 22 0 23 0 21 2 71 2 72 2 71 2 72 2 73 2 74 0 00 0 01 0 11 0 12 0 25 0 24 2 75 2 76 0 02 2 72 0 01 0 10 0 11 0 22 0 21 2 73 2 71 2 74 0 10 0 22 0 23 0 21 2 71 2 72 2 71 2 72 2 73 2 74 0 00 0 01 0 11 0 12 0 25 0 24 2 75 2 76 0 02 2 72 YES YES YES YES 33u YES X34 340x xx X34 341x xx X34 365x xx IC4 R72 R82 R83 R8...

Page 20: ...S40 S39 S37 S32 S33 S34 S35 S36 S27 S28 S29 S30 S22 S23 S24 S25 S26 S17 S18 S19 S20 S21 KS4 S4 KS3 KS2 KS1 S2 S3 S8 S5 S6 S7 S9 S10 S11 S15 S12 S13 S14 S16 TP47 TP46 TP49 TP48 IC3 FL B FL B 470 R11 470 R13 220 R14 470 R15 470 R16 470 R17 470 R19 1K R18 2 2 C10 KEY MATRIX 64 TP164 1W F F TP165 65 66 R80 33 R82 33 1W W12 TP101 TP102 S8 S7 50 P31 P30 P32 P35 P34 P33 TP162 TP161 TP163 63 62 61 TP160 T...

Page 21: ...2 S13 S14 S15 S6 S4 S5 S3 S2 20 TP120 6 7 8 9 P40 P41 11 10 12 P42 16 13 14 15 17 28 1GA P10 P9 2G P11 P13 P12 34 35 32 33 TP130 TP128 TP129 TP131 30 31 29 P7 P5 P6 P4 P8 P2 P3 TP126 TP127 TP125 27 25 26 TP124 24 23 21 22 TP118 18 19 P1 F F S29 S33 S35 S32 S30 S27 S28 G2 S26 G1 S25 S24 S20 S22 S23 S21 S18 S19 S17 S16 W13 S34 KDC 1028 128 128CR 129 129S 229 2 2 1GA 2G 1GA ANODE CONNECTION b 4h 4b 4...

Page 22: ...L0 33 34 32 OUTL DVSS3 CSEL 30 29 AVDD2 AVSS1 OUTR AVDD1 27 25 26 TE FE 23 24 22 12 FBAL TVD SPL NC PWM TBAL 1 2 3 4 5 NRFDET OFT BDO LDON DSLB DVDD1 9 6 7 8 10 11 PLLF2 DVSS1 AVSS2 DSLF ARF RFSW PLLF 13 14 15 16 17 18 IREF RFENV 21 19 20 C101 1000P 1000P C102 C34 0 1 C33 0 1 C32 0 1 C48 6800P C50 4700P 4 L R 5 65 63 61 62 66 68 29 27 L R 27 29 A TE TRCRS FE RFENV 61 62 63 66 68 65 0 1 C47 0 1 C46...

Page 23: ...IN 5 3 4 C12 3300P C11 6800P PD LD 1 2 C7 0 1 3 3K R6 RF R5 3 3K C1 10 R14 100K C2 2 2 18 19 13 12 SPDL SPDL C45 0 1 C44 1000P C43 2200P R39 100K 820 R40 0 047 C42 BDO OFT NRFDET 9 7 8 4 7K CP4 1 8K CP3 16 TRK OUT TRK IN 14 15 FCS UP FCS DOWN 16 17 SLED IN EJECT LOAD SLED OUT 12 13 18 19 5 4 1 80 1 2 8 7 9 R7 3 6K 2P C5 ARF 1 C8 4700P C9 R13 240K C18 0 1 C17 0 1 R3 5 6K R2 5 6K 6 5 4 F E B CD A 6 ...

Page 24: ...36 33 33 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 E F G H J K N09 4460 05 N09 4472 15 N09 6004 05 N09 6007 05 N09 6051 05 N19 2163 04 N39 2020 46 N09 6108 05 N09 6155 05 φ2x8 M1 7x8 0 M1 7x2 5 M2x2 φ2x5 BLK 1 6 WASHER M2x2 M2x3 5 φ2x6 X32 8 809 5 Cx2 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 13...

Page 25: ...N83 3020 48 N86 2606 48 RC1 201 242 209 266 262 767x2 223x2 233x2 D Dx2 Hx2 Ex2 Cx2 Cx2 A F H G 773 772 D D D B B F J X34 785 732 701 PA1 261 259 257 213 210 241 255 708 254 253 238 252 251 705 771 226 206 204 237 222 236 221 224 DC1 207 Depends on the model Refer to the parts list 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 139422965...

Page 26: ...C J21 9716 03 MOUNTING HARDWARE ASSY 251 3C K24 4279 04 PUSH KNOB CLK 252 3C K24 4280 04 PUSH KNOB EJECT 253 3C K24 4281 04 PUSH KNOB RELEASE 254 3C K25 1689 03 PUSH KNOB ATT Q 255 3C K25 1690 02 PUSH KNOB SRC PRESET RESET K4K5M4 255 3C K25 1690 02 PUSH KNOB SRC PRESET RESET M5M6 255 3C K25 1691 02 PUSH KNOB SRC PRESET RESET K6 257 3C K29 7132 03 KNOB ASSY VOL 259 3C K29 7134 03 KNOB BASE FM AM 26...

Page 27: ... C 2200PF K C77 78 CK73GB1C104K CHIP C 0 10UF K C100 102 CK73GB1H102K CHIP C 1000PF K CN1 E41 2068 05 FLAT CABLE CONNECTOR CN1 E41 2085 15 FLAT CABLE CONNECTOR CN2 E41 2083 05 FLAT CABLE CONNECTOR X1 L78 0851 05 RESONATOR 16 934MHZ CP1 RK74GA1J101J CHIP COM 100 J 1 16W CP2 RK74GB1J101J CHIP COM 100 J 1 16W CP3 RK74GB1J182J CHIP COM 1 8K J 1 16W CP4 RK74GB1J472J CHIP COM 4 7K J 1 16W CP5 RK74GB1J10...

Page 28: ...52K CHIP C 1500PF K C503 CK73GB1C104K CHIP C 0 10UF K C504 CK73GB1H103K CHIP C 0 010UF K C505 CD04AT1C4R7M ELECTRO 4 7UF 16WV C506 CK73GB1A684K CHIP C 0 68UF K C507 508 CD04AT1A220M ELECTRO 22UF 10WV C509 CC73GCH1H680J CHIP C 68PF J C510 CC73GCH1H101J CHIP C 100PF J C512 CD04AT1C100M ELECTRO 10UF 16WV C513 514 CK73GB1H103K CHIP C 0 010UF K C515 CD04AT1H010M ELECTRO 1UF 50WV C516 CC73GCH1H100D CHIP...

Page 29: ...1 0976 15 FM RF COIL L519 L40 4763 72 SMALL FIXED INDUCTOR 4 7NH L520 L40 3381 58 SMALL FIXED INDUCTOR 0 33UH L521 L40 1073 72 SMALL FIXED INDUCTOR 10NH L600 L92 0607 05 CHIP FERRITE L601 602 L92 0397 05 CHIP FERRITE X1 L78 0879 05 RESONATOR 10 000MHZ X2 L77 2793 05 CRYSTAL RESONATOR 32 768KHZ X501 L77 2077 05 CRYSTAL RESONATOR 10 250MHZ F 2D N80 3010 48 PAN HEAD TAPTITE SCREW G 2D N83 3005 48 PAN...

Page 30: ...3J CHIP R 22K J 1 10W R543 RK73GB2A562J CHIP R 5 6K J 1 10W R544 RD14BB2C222J RD 2 2K J 1 6W R545 RK73GB2A333J CHIP R 33K J 1 10W R546 RK73GB2A432J CHIP R 4 3K J 1 10W R561 RK73GB2A472J CHIP R 4 7K J 1 10W R562 RK73GB2A106J CHIP R 10M J 1 10W R565 RK73GB2A394J CHIP R 390K J 1 10W R566 567 RK73GB2A102J CHIP R 1 0K J 1 10W R589 RK73GB2A473J CHIP R 47K J 1 10W R590 RK73GB2A103J CHIP R 10K J 1 10W R59...

Page 31: ...ISTOR Q155 2SC4081 TRANSISTOR Q252 KTA2014P Y GR TRANSISTOR Q252 2SA1576A TRANSISTOR Q252 2SA1603A TRANSISTOR Q330 DTA124EUA DIGITAL TRANSISTOR Q330 KRA303 P DIGITAL TRANSISTOR Q330 RT1P241M TRANSISTOR Q351 352 DTC143TUA DIGITAL TRANSISTOR Q351 352 KRC410 P DIGITAL TRANSISTOR Q351 352 RT1N430M TRANSISTOR Q501 HN3G01J BL F TRANSISTOR TH1 PRF21BE471QB2 POSITIVE RESISTOR C221 222 CD04AS1C100M ELECTRO...

Page 32: ...RDWARE 53 1B J21 9678 13 MOUNTING HARDWARE 55 1A J90 1001 11 GUIDE 56 1B J90 1023 03 GUIDE DFPC1 3A J84 0141 05 FLEXIBLE PRINTED WIRING BOARD A 2B N09 4460 05 TAPTITE SCREW OVAL P TAPTIT B 1B N09 4472 15 MACHINE SCREW M1 7X8 0 C 2B N09 6004 05 MACHINE SCREW M1 7X2 5 IB L E 2B N09 6007 05 MACHINE SCREW PAN M2X2 F 1A N09 6051 05 TAPTITE SCREW BIND P 2X5 G 2A N19 2163 04 FLAT WASHER H 1B N39 2020 46 ...

Page 33: ... 20 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 U...

Page 34: ...Hz 10kHz Channel Space Selection 9kHz 10kHz Usable Sensitivity S N 20dB 28dBµV 25µV CD Laser Diode GaAlAs Digital Filter D A 8 Times Over Sampling D A Converter 1 Bit Spindle Speed 500rpm 200rpm CLV Wow Flutter Below Mesurable Limit Frequency Response 10Hz 20kHz 1dB Total Harmonic Distortion 0 01 1kHz S N Ratio 93dB 1kHz Dynamic Range 93dB Channel Separation 85dB Preout Level Load 2000mV 10kΩ CD P...

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