Kenwood KDC-X769 Service Manual Download Page 1

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CD mechanism extension cord : W05-0935-00

Mounting hardware assy
(J21-9823-03)

DC cord
(E30-6062-05)

Lever
(D10-4674-04) x 2

Size AA battery
(Not suplied)

Plastic cabinet assy
(A02-2731-03)

Remote controller assy
(RC-505)
(A70-2040-05)

Screw set
(N99-1734-05)

Escutcheon
(B07-3079-01)

Screw set
(N99-1723-05)

CD mechanism operation description is not in this service
manual.
Please, refer to service manual X92-4030-0x (B51-7867-00).

DIGITAL AUDIO

COMPACT

Panel assy
(A64-2980-01)

Escutcheon
(B07-3079-01)

Panel assy
(A64-3001-02)

CD RECEIVER

KDC-X769

SERVICE MANUAL

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for KDC-X769

Page 1: ... 05 CD mechanism operation description is not in this service manual Please refer to service manual X92 4030 0x B51 7867 00 s 50 4 W DIGITAL AUDIO COMPACT Panel assy A64 2980 01 Escutcheon B07 3079 01 Panel assy A64 3001 02 2003 2 PRINTED IN JAPAN B53 0037 00 N 1459 CD RECEIVER KDC X769 SERVICE MANUAL 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...

Page 2: ...F 702 SW 284 2 The slider assembly insert to bottom chassis q The bracket for display panel 284 is leave down in sert to the chassis 702 C w The slider assembly insert to the chassis 702 after that shift D direction e The bracket for display panel 284 is raised E direc tion r Keep the raising conditions the slider assembly is shift F direction Note Do not bend the knob of chassis detection switch ...

Page 3: ...A8V SERVO IC14 MOTOR DR DR MOTOR IC13 ROTARY ENCODER LCD DRIVER IC2 EEPROM EEP5V Q63 IC1 Q23 24 Q30 Q29 Q25 26 Q32 Q33 Q11 14 Q53 SW5V Q6 PANEL IC3 REMOCON WITH LCD DRIVER IC1 KEY MATRIX LCD OP AMP OP AMP OP AMP IC11 IC10 IC9 9V S METER AUDIO OUT SERVO 8V BU5V CD4 7V BACK UP FM AM CD QUAL CH KEY BU5V 8V SW5V 8V 8V SW5V BU5V BU5V BU5V SERVO BU5V BU5V BU5V BU5V 9V 9V 9V TUNER CD CH MECHA PANEL TDF U...

Page 4: ... IC IC6 9V AVR DC DC IC for 4 5V Pre out IC7 Reset IC IC8 Logic IC for muting IC9 11 AMP for 4 5V Pre out IC13 14 Motor driver IC for panel mechanism IC15 ROM IC For ROM correction Q1 2 B U 5V AVR While BU is applied BU5V AVR outputs 5V Q3 SW5V When Q3 base goes Lo SW5V outputs 5V Q4 5 SW14V When Q5 base goes Hi SW14V outputs 14V Q6 8 AUDIO 8V AVR When Q6 base goes Hi A8V AVR outputs 8 4V Q9 34 SE...

Page 5: ...4 V_ILL PAN_E2P DATA I O To panel V ILL D A converter V ILL LCD E2PROM data 5 V_ILL PAN_E2P CLK I O To panel V ILL D A converter V ILL LCD E2PROM clock 6 EVDD 7 EVSS 8 AFS O Tuner Noise detection time constant switching FM seek AF search L Receiving H Auto 0 L 9 BEEP O Audio Beep output 10 REMO I Extra Remote control input Panel External display 11 P_MUTE O Audio Power IC MUTE output Power OFF L A...

Page 6: ... clock 32 768kHz 33 XT2 Sub clock 32 768kHz 34 REGC Connect to 1µF capacitor 35 X2 Main clock 20MHz 36 X1 Main clock 20MHz 37 VSS 38 VDD 39 CLKOUT 40 LX_REQ_M O LX Communication request to external slave Request L 41 LX_MUTE I LX Mute request from external slave Mute ON H 42 LX_CON O LX External slave select ON H OFF L 43 LX_RST O LX Reset output to external slave µ com Normally L After system res...

Page 7: ...79 FPM SW2 I P mecha FPM mechanism position detection e 80 FPM SW3 I P mecha FPM mechanism position detection e 81 FPM PHOUT I P mecha FPM mechanism position detection e H 2 2V or more 82 S_METER I Tuner S meter detection Refer to S03 F E control 83 NOISE I Tuner FM noise detection Refer to S03 F E control 84 IFC_OUT I Tuner F E IFC OUT input With station 2 5V or more refer to S03 F E control 85 N...

Page 8: ...ype without ANT_CON model H Destination IC2 TYPE0 TYPE1 Market model L L Market model CRSC modiification L H OEM model CRSC modification H L OEM model CRSC and de emphasis modification H H e FPM MOTOR Slide FPM mechanism operation FPM MOTOR B FPM MOTOR F 0 0 Standby 1 0 Backward operation 0 1 Forward operation 1 1 Brake Angle FPM mechanism operation FPM MOTOR O FPM MOTOR C 0 0 Standby 1 0 Angle op...

Page 9: ... 13 No 22 No 14 No 9 The cycle restarts from here Each press of the Track Down key jumps to the previous track number to the track being played When the number of total trucks of the MP3 disc or the WMA disc is less than 9 1st truck is played When the disc media is CD A short press of the Preset 1 key jumps to the track number 28 When the model is equipped the CD mechanism assembly adapted for MP3...

Page 10: ...on Display ROM R xxx Invalid R AM key Display panel E2PROM condition Display P ROM OK Registered code P ROM NG Code is write in error P ROM WAIT Unregistered code P ROM NON Panel security nonfunctional Panel mechanism Auto panel close inhibition when set in the CD The panel operation inhibition at power ON OFF and ACC ON OFF The panel position changing Eject Last with a short press of the PLAY PAU...

Page 11: ...n is canceled and unit sets to All Off mode 4 Code request mode appears if a mistake was made in en tering the numbers 4 How to inscription the panel security code 1 Enter the test mode 2 Pressing the AM key on all lighting check the P ROMWAIT display 3 The NEXT key is long press 2 seconds writing the code 4 Display is P ROM OK 5 Exit from the test mode Note E2PROM connection is NG when display is...

Page 12: ...4 Q9 D7 D20 D14 D17 D6 Q1 D3 D16 CN2 Q24 CN1 J1 P1 D13 Q25 D1 CN3 Q13 Q8 C700 C51 C41 C115 C121 C109 C105 L3 C116 C124 B U5V C125 CLK DATA SW5V 1 28 RST ROM C47 C131 L4 C200 C48 C44 C43 C45 C42 C46 C104 C102 C108 C6 C52 L1 R126 R125 R143 R128 C49 C50 C100 R129 1 15 1 24 C252 TEST PLCL C1 PLDA C2 C126 C128 L6 MUTE C250 C256 C34 C32 C257 C33 C31 C255 IC4 ELECTRIC UNIT X25 9680 10 J74 1475 12 Refer t...

Page 13: ...10 D13 D6 S5 D5 S3 D4 S8 D3 S13 D2 D8 D9 S18 S7 S12 S20 S17 S2 S11 S6 D1 D15 D17 D10 Q3 Q2 D20 D7 D11 BE BE Q1 B E X16 2140 10 IC Address 3 6H X16 2190 10 Q Address 1 5J 2 5I 3 5I R307 L11 R403 R402 R303 R302 24 1 24 1 2 1 2 25 BE Q102 CN3 CN7 A1 D31 D30 D29 C257 C33 C258 L7 C5 C255 W2 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 13942...

Page 14: ... C204 R266 C18 C17 C127 R130 C10 C12 C254 C253 R301 C3 B E D51 Q103 D52 D50 D53 D26 D25 D24 D23 Q53 E B Q54 B E Q28 E B Q27 2 1 3 4 B E Q18 D37 D66 D38 D39 D40 D36 D35 D34 D33 D12 D11 D9 D65 D64 D63 D62 Q63 D60 D61 IC7 IC13 IC14 B U5V VDD AM B PLL B IF1 B E2P5V SW5V GND B U B U B U R L G G L R B E 8V AUDIO OUT SERVO GND DATA CLK 5V PAN5V D GND M1 M1 SERVO B M2 M2 ELECTRIC UNIT X25 9680 10 J74 1475...

Page 15: ...SI RST KI2 KS3 PAN5V RED KI3 KI1 KS1 VOLA ILL B VOLB GREEN ILLGND KS2 KI4 DGND KS4 R6 R10 1 24 R15 D21 LCD CN1 S16 C66 C65 C68 R144 C61 C62 C67 C69 C134 R104 R106 C103 C106 R139 C132 R141 R138 R132 C213 R264 R133 R102 R120 R122 R121 C122 R118 R123 C123 R114 R119 R117 R116 R145 R135 R142 C130 R140 R108 R100 R101 C107 W100 R107 R131 R124 C63 C64 C70 R60 B E Q23 B E Q4 B E Q5 E B Q14 E B B E Q7 E B Q...

Page 16: ...18 C46 R15 R16 C89 R52 C15 C14 R32 C23 R218 C51 R22 R53 8 5 1 4 D4 IC6 D3 S2 S1 S4 S3 CD PLAYER UNIT X32 5200 00 J74 1243 02 1245 02 Refer to the schematic diagram for the values of resistors and capacitors X32 5200 00 IC Address 6 5V 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 QQ 376...

Page 17: ...VCC SLED EJECT PON E F IOP IOP Vref ARF RF GCTL TOFS 12EJE TRCRS LDON RFENV MSTOP MRST MUTEL MUTER TRK TRK D GND FCS FCS BU 5V S GND MOTOR S 7 5V LO EJ RW Vref C B A LD VR 8EJE SLED LOAD DRVMUTE Rch A GND Lch A 8V LOE LIM SPDL DATA CLK EQCNT TBAL LOS FOD Q3 IC1 IC4 D1 Q4 Q1 IC2 D2 Q2 Q5 CN1 CN2 CD PLAYER UNIT X32 5200 00 J74 1243 02 1245 02 X32 5200 00 IC Q Address 1 2AB 2 3AC 4 5AB 1 3AA IC Q Add...

Page 18: ... DIMMER 25 TYPE2 MUTE PRE MUTE L PRE MUTE R BU DET ACC DET 22 23 19 20 21 IC2 CLK P STBY P CON DIMMER CON 16 TEST 17 18 14 15 R269 4 7K 10K 100K R270 470 REMO P MUTE SVR IC2 DATA 11 12 10 C106 0 47 R107 4 3K TP112 1 R108 1 5K 220u10 C108 C107 R106 24K R105 15K R104 220 TP111 R103 R102 2 2K 22K 22K R101 C105 100u6 3 100 C104 10u16 C103 0 01 R100 C102 220u16 TP110 TP121 TP109 C101 0 01 C100 3900u16 ...

Page 19: ...47u6 3 0 47 CDCHL 2 AUXL 1 CDL CDR 44 43 MDR CDCHL CDCHR CDCHR AUXR AUXC 4 3 7 6 5 SUBR CREF 42 41 40 39 MDL SUBL ACOUTR ACOUTL ACIN0L 38 37 36 35 LEVEL MPIN MPOUT MPX AM NV NV 10 9 8 11 12 13 QUAL AFS SMUTE SDA SCL FREER FREEL 14 15 16 17 18 19 20 21 0 01 C12 R301 4 7K C253 C254 R300 4 7K 4 7K 0 1 R7 0 1 C251 VDD 32 34 ACIN1R 33 ACIN2R ACIN2L ACIN1L 30 31 ACIN3L ACIN3R 27 28 29 24 OUTLF GND 25 26...

Page 20: ...K R47 2 2K R49 R29 82 C43 10u16 R53 82 R51 22K C51 10u16 R52 22K C50 22u16 R48 2 2K 82 10u16 R54 C52 TP80 L11 4 7uH IF2GND S METER IF1GND AUDIOOUT 24 23 IF1 B 22 21 20 19 IF2 B SD DIGGND IFCOUT VDD5V SDA 18 17 16 15 SCL 14 11 12 13 PLL B VT 3 OSCGND1 OSCGND2 OSCGND4 OSCGND3 OSC GND AMANTIN 7 10 9 8 6 5 4 FM B AM B RFGND FMANTIN 1 2 L7 RL FR RR RG FG NFL FL NFG NFR TP12 TP11 TP1 TP2 NFR NFL FL RL R...

Page 21: ...DI CL 100 99 KS2 KS3 KS4 KS1 KI1 KI2 KI4 KI5 KI3 R68 330 0 1 C2 0 1 C3 0 1 C4 0 1 C5 2 2K R2 2 2K R3 2 2K R4 2 2K R5 680P C1 99 100 98 97 INH R24 47K 0 01 C6 KI1 17 1 2 ESD GND ESD GND E2P DATA 3 PAN DET 4 6 E2P 5V 5 E2P CLK GREEN SW 8 7 DSI D GND 11 9 10 RST N C 14 KI4 12 13 KI5 RED SW 15 16 KI2 KI3 28 ILL B 18 19 KS4 N C 22 21 20 KS1 KS2 KS3 24 25 23 D GND VOL A VOL B 27 26 ILL B PAN 5V 31 N C 2...

Page 22: ...3 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S98 S97 S99 S100 S101 S102 S103 S104 S105 S106 S72 S71 S70 S69 S68 S67 S66 S65 S64 S63 S62 S61 S60 S59 S58 S57 S56 S55 S54 S53 S52 S51 S50 S49 S48 S47 S46 S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 S73 S74 S75 S76 S77 S78 S79 S80 ...

Page 23: ...1 KI2 KI3 KI4 KI5 470 R10 510 R9 510 R8 510 R7 330 R5 330 R4 330 R3 4 5 4 5 1K R19 1K R18 KS3 KS2 KS1 KI2 KS4 KI4 KI5 KI3 KI1 510 R6 510 R1 R2 510 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 ...

Page 24: ...RW RST MECHASEL MSTOP LDCNT DATA CLK HOT AVREF OUT R AVDD1 OUT L AVSS1 CSEL TEST1 TEST2 IOSEL NRST BCLK LRCK SRDATA SUBC SBCK DQSY DEMPH TX PSEL MSEL SSEL DVDD1 X1 X2 DVSS XSUB1 XSUB2 DVDD2 NC NC SMCK STLD PCK or DSLB 24 23 22 21 20 11 8 15 14 13 12 19 18 17 16 4 3 2 1 10 D OUT 12EJE SW LOS SW CLK DATA 8EJE SW D GND MUTE R MUTE L MRST MSTOP A 8V Lch A GND Rch LO EJ MOTOR S 7 5V S GND LOE LIM SW 16...

Page 25: ... R16 4700P C14 0 047 C15 C17 4700P 12 47K R19 330P C18 92 C19 0 1 R20 100K 10 11 R21 240K R6 2 7K R3 2 7K 27 28 32 IOP 10 R9 IOP 10u6 3 C4 6 1 32 4 6 1 0 022 C24 R218 C13 C11 C12 2 2 C3 36K 4 15 C20 0 1 R202 100K 2200P C89 47 92 C6 R34 C41 30 30 B 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC TR IN VREF SL IN LO EJ LD SLED GND VCC2 SLED SLED TRK TRK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 BIAS FC IN VREF...

Page 26: ... 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 QQ 376...

Page 27: ...G RING M2x2 5 M2 6x5 BLK M3x5 φ3x5 φ3x8 φ2x4 BLK φ3x8 φ3x10 φ2x4 763 808 FPC3 281 284 225 773 810 270 FPC1 DME1 776 252 748 279 228 256 237 223 265 239 277 238 230 232 253 251 286 285 224 250 236 227 287 PM1 267 226 266 245 FPC2 272 280 283 225 222 264 PME1 295 264 249 703 768 768 204 212 709 208 774 315 775 790 718 717 705 300 215 298 299 297 219 313 311 312 310 PA2 PA1 296 293 292 294 278 201 22...

Page 28: ...ER F1 2D F52 0006 05 FUSE MINI BLADE TYPE 264 2C G01 3162 04 EXTENSION SPRING 265 3C G01 3188 04 EXTENSION SPRING 266 3C G01 3189 04 TORSION COIL SPRING 267 3D G01 3199 04 TORSION COIL SPRING 270 2C G11 3539 04 CUSHION VOL 272 3D G11 3559 04 CUSHION H10 4854 12 POLYSTYRENE FOAMED FIXTURE H21 1151 04 PROTECTION SHEET H25 0329 04 PROTECTION BAG 280X450X0 03 H25 0337 04 PROTECTION BAG 180X300X0 03 H5...

Page 29: ...R 1 0K J 1 10W R11 RK73GB2A4R7J CHIP R 4 7 J 1 10W R12 RK73GB2A751J CHIP R 750 J 1 10W R13 RK73GB2A102J CHIP R 1 0K J 1 10W R14 RK73GB2A4R7J CHIP R 4 7 J 1 10W R15 RK73GB2A104J CHIP R 100K J 1 10W R23 RK73GB2A102J CHIP R 1 0K J 1 10W R24 RK73GB2A473J CHIP R 47K J 1 10W R26 RK73GB2A102J CHIP R 1 0K J 1 10W R31 RK73GB2A433J CHIP R 43K J 1 10W R32 35 RK73GB2A222J CHIP R 2 2K J 1 10W R36 RK73GB2A4R7J ...

Page 30: ... CK73GB1C683K CHIP C 0 068UF K C127 CK73GB1H683K CHIP C 0 068UF K C128 CE04NW1H0R1M ELECTRO 0 1UF 50WV C130 CK73GB1E223K CHIP C 0 022UF K C130 CK73GB1H223K CHIP C 0 022UF K C131 CE04NW1H010M ELECTRO 1 0UF 50WV C132 CK73GB1H102K CHIP C 1000PF K C134 135 CK73GB1H103K CHIP C 0 010UF K C200 CE04NW0J470M ELECTRO 47UF 6 3WV C201 CK73GB1H103K CHIP C 0 010UF K C202 CC73GCH1H220J CHIP C 22PF J C203 CC73GCH...

Page 31: ...3J CHIP R 47K J 1 4W R145 RK73GB2A104J CHIP R 100K J 1 10W R146 RK73EB2E102J CHIP R 1 0K J 1 4W R148 RK73EB2E103J CHIP R 10K J 1 4W R200 RK73GB2A153J CHIP R 15K J 1 10W R201 RK73GB2A103J CHIP R 10K J 1 10W R202 RK73GB2A104J CHIP R 100K J 1 10W R203 RK73GB2A103J CHIP R 10K J 1 10W R206 RK73GB2A103J CHIP R 10K J 1 10W R207 RK73GB2A104J CHIP R 100K J 1 10W R208 209 RK73GB2A103J CHIP R 10K J 1 10W R21...

Page 32: ...SISTOR Q4 UN5112 DIGITAL TRANSISTOR Q5 DTC124EUA DIGITAL TRANSISTOR Q5 UN5212 DIGITAL TRANSISTOR Q6 DTC144EUA DIGITAL TRANSISTOR Q6 UN5213 DIGITAL TRANSISTOR Q7 DTA124EUA DIGITAL TRANSISTOR Q7 UN5112 DIGITAL TRANSISTOR Q8 9 2SA2057 TRANSISTOR Q11 DTC124EUA DIGITAL TRANSISTOR Q11 UN5212 DIGITAL TRANSISTOR Q12 DTA124EUA DIGITAL TRANSISTOR Q12 UN5112 DIGITAL TRANSISTOR Q13 2SA2057 TRANSISTOR Q14 2SC4...

Page 33: ...1 10W R15 RK73GB2A824J CHIP R 820K J 1 10W R16 RK73GB2A223J CHIP R 22K J 1 10W R17 RK73GB2A393J CHIP R 39K J 1 10W R18 RK73GB2A392J CHIP R 3 9K J 1 10W R19 RK73GB2A473J CHIP R 47K J 1 10W R20 RK73GB2A104J CHIP R 100K J 1 10W R21 RK73GB2A244J CHIP R 240K J 1 10W R22 RK73GB2A623J CHIP R 62K J 1 10W R32 RK73GB2A683J CHIP R 68K J 1 10W R34 RK73GB2A363J CHIP R 36K J 1 10W R35 RK73GB2A104J CHIP R 100K J...

Page 34: ... 2382 04 SHAFT 36 1A D23 0954 04 RETAINER 37 1B D39 0246 05 DAMPER 38 2B G01 3072 04 EXTENSION SPRING 39 2A G01 3073 04 TORSION COIL SPRING 40 2A G01 3074 04 EXTENSION SPRING 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 MOUNTI...

Page 35: ...e 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 SL 2 Shape 3 Di...

Page 36: ...nwood Building Singapore 349544 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia KDC X769 FM Frequency Range Frequency step 87 9MHz 107 9MHz 200kHz Channel Space Selection 50kHz 200kHz Usable Sensitivity S N 30dB 9 3dBf 0 8µV 75Ω Quieting Sensitivity S N 50dB 15 2dBf 1 6µV 75Ω Frequency Response 3 0dB 30Hz 15kHz S N...

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