Kenwood KDC-1023S Service Manual Download Page 10

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R37

R36

R53

C41

C54
R41

C42

R39

C47

CP1

CP2

C46

C50

C73

C74

C69

C62

R50

C70

R42

C48

C15

R10

C14

C10

C44

R40

C43

C31

C33

R49

C75

C76

R31

R46

R47

C71

C72

C36

R85

R83

R81

C61

R82

R84

R86

R88

R87

IC2

IC4

X32-5380-00 (J74-1485-12)

PC BOARD (COMPONENT SIDE VIEW)

Refer to the schematic diagram for the values of resistors and capacitors.

Ref. No address

IC2

IC4

X32-5380-00

Summary of Contents for KDC-1023S

Page 1: ... AUTO ADJ CLK AUD 50Wx4 Panel assy A64 2909 02 KDC 1023 A64 2910 02 KDC 1023S Front glass B10 4357 01 KDC 1023 B10 4358 01 KDC 1023S Escutcheon B07 3001 02 KDC 1023 B07 3022 02 KDC 1023S DIGITAL AUDIO DIGITAL AUDIO DC cord E30 4784 05 Mounting hardware assy J21 9716 03 Lever D10 4589 04 x2 Screw set N99 1719 05 CD RECEIVER KDC 1023 S KDC 122 S SERVICE MANUAL CD mechanism operation description is n...

Page 2: ... POWER MUTE LOGIC DET ACC BU DET MUTE PRE POWER IC SP ACC UP BACK OUT OUT PRE IC1 DATA H MUTE DATA C REQ 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 SW...

Page 3: ...TE turns 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 base H Collector L Q40 MUTE dri...

Page 4: ... L 19 CH REQH O Request output to the changer new 5L L Requset Except changer model output L 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 destinati...

Page 5: ...60 RESET Reset input from the System microcomputer 61 REMO I Remote control input 62 R CLK I 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 t...

Page 6: ...l input Analog input 25 AVDD2 Power supply for analog circuit For DSL PLL and AD 26 AVSS1 Ground 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...

Page 7: ...at time serial writer connected 69 TX O Digital audio interface signal output 70 EQCNT O RF 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 ...

Page 8: ... AM 1000kHz OFF 35dBuEMF B C E M J W AM 999kHz OFF 35dBuEMF B C The appearance and the coil 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 Adjustmen...

Page 9: ...L TDA7513 EEP ROM M24C01 WMN6T IC12 ALL BR24C01AF W S 24CS02AFJ TB Antenna Coil J L31 0966 05 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 W...

Page 10: ...0 C70 R42 C48 C15 R9 R10 C14 C10 C44 R40 C43 C31 C33 R49 C75 C76 R31 R46 R47 C71 C72 C36 R85 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 ...

Page 11: ...A GND DRVMUTE Rch Lch SPDL SPDL SPL SBIO TVD TRD FOD P54 P53 P52 P51 P50 D OUT PON VREF2 GND 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 C1...

Page 12: ...53 IC11 IC1 IC8 IC6 IC12 IC10 X25 9600 xx J74 1465 12 J1 CN1 WH1 D108 CN3 D201 D202 D261 D262 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 ...

Page 13: ...2 C7 R20 R17 R10 R7 R8 C4 C1 C2 C3 R16 C6 C9 R19 R18 R3 R5 R12 R4 R2 C5 R13 R22 R21 R14 R15 14 2 1 15 1 16 48 33 49 64 32 17 KS5 SW 5V ESDGND LED B DATAL REMO PAN SW D GND L CE L CLK DATAS ILL GND PAN 5V RES KI4 KI2 KI3 KI5 KS2 KS3 KI1 KS4 Q1 J1 D22 IC1 X16 1460 13 2370 11 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 Ref No address...

Page 14: ...0P R85 R44 330 C71 2200P R81 6800P C76 100 R88 2200P C70 330 R86 C72 2200P 330 R82 1K DEMPH TRCRSO 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...

Page 15: ...F2 DVSS1 AVSS2 DSLF ARF RFSW PLLF 13 14 15 16 17 18 IREF RFENV 21 19 20 C48 6800P C50 6800P 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...

Page 16: ... FMMIX1IN1 RFGND 10 9 3 14 C526 10P R501 6 8K L507 L505 R543 W507 W505 11 R522 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 C...

Page 17: ...AVCONT 80 AVSS N C 8EJE SW PANEL PHONE NOISE 79 78 N C AVREF1 L CE L RST L DATAL ACL ADA 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 6...

Page 18: ...YPE0 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 122 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 A...

Page 19: ...10 11 12 13 14 15 KI5 R19 0 01 C9 220 R21 220 R22 1000P B B 5V 5V TP35 TP32 TP31 TP30 TP29 TP27 TP28 TP26 TP22 TP21 TP5 TP4 TP3 TP1 TP2 TP9 TP8 TP6 TP7 TP15 TP14 TP13 TP12 TP11 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 1...

Page 20: ...0 21 KDC 3023 M 510 NO YES RED B30 1641 05 RED B30 1567 05 B30 1567 05 X16 2370 10 KDC 2022 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...

Page 21: ... 38 801 44 24 52 29 19 27 F DM2 834 850 849 807 806 37 43 43 43 56 37 37 53 41 51 55 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 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 ...

Page 22: ...J 3 Dx2 Fx2 F A A E E D D G D D C C C C C D B B DME1 PA1 A B C D E F G M3x8 φ2x6 φ2x8 BLK φ3x5 φ3x10 φ3x20 φ2 6x6 N30 3008 46 N80 2006 46 N80 2008 45 N83 3005 46 N80 3010 46 N83 3020 46 N86 2606 46 756 723 FC1 755 753 206 F1 210 702 722 743 241 229 215x2 DC1 708 727 728 751 742 X16 236 237 235 233 249 245 246 250 248 218 234 211 238 X16 757 ...

Page 23: ...1608 PG M1M2 D1 13 B30 1567 05 LED 1608 RED KK1 Ref No A d d N e w Parts No Description D17 18 B30 1533 05 LED 1608 PG M1M2 D17 18 B30 1567 05 LED 1608 RED KK1 D19 B30 1633 05 LED WHITE D20 B30 1533 05 LED 1608 PG M1M2 D20 B30 1567 05 LED 1608 RED KK1 ED1 B38 1079 05 LIQUID CRYSTAL C1 CK73GB1H102K CHIP C 1000PF K C2 3 CK73GB1E473K CHIP C 0 047UF K C2 3 CK73GB1H473K CHIP C 0 047UF K C4 CK73GB1H103K...

Page 24: ...UF 10WV C585 CK73GB1H103K CHIP C 0 010UF K C586 CK73GB1C104K CHIP C 0 10UF K C587 CK73GB1H103K CHIP C 0 010UF K C588 CK73GB1A474K CHIP C 0 47UF K Ref No A d d N e w Parts No Description C589 CK73GB1C104K CHIP C 0 10UF K C591 CE04CW1A330M ELECTRO 33UF 10WV C593 CK73FB1C105K CHIP C 1 0UF K C600 CE04CW1A101M ELECTRO 100UF 10WV CN1 E40 9550 05 FLAT CABLE CONNECTOR J1 E04 0312 05 RF COAXIAL CABLE RECEP...

Page 25: ...R 750 J 1 10W KK1 R261 RK73GB2A100J CHIP R 10 J 1 10W M1M2 R261 RK73GB2A431J CHIP R 430 J 1 10W KK1 R263 RK73GB2A184J CHIP R 180K J 1 10W KK1 R263 RK73GB2A432J CHIP R 4 3K J 1 10W M1M2 R264 RK73GB2A473J CHIP R 47K J 1 10W R415 RK73GB2A104J CHIP R 100K J 1 10W Ref No A d d N e w Parts No Description R501 RK73GB2A682J CHIP R 6 8K J 1 10W R502 RK73GB2A222J CHIP R 2 2K J 1 10W R503 RK73EB2E222J CHIP R...

Page 26: ... C15 CK73GB1H222K CHIP C 2200PF K C16 CC73GCH1H331J CHIP C 330PF J C17 18 CK73GB1C104K CHIP C 0 10UF K C31 34 CK73GB1C104K CHIP C 0 10UF K C36 CK73FB1A225K CHIP C 2 2UF K C37 39 CK73GB1H103K CHIP C 0 010UF K C40 CK73GB1H153K CHIP C 0 015UF K C41 CK73GB1H102K CHIP C 1000PF K C42 CK73GB1E473K CHIP C 0 047UF K C43 CK73GB1H222K CHIP C 2200PF K C44 CK73GB1H102K CHIP C 1000PF K C45 47 CK73GB1C104K CHIP ...

Page 27: ... 10 3A D10 4581 13 ARM 11 2A D10 4582 13 ARM 12 3A D10 4583 03 ARM 13 3A D10 4584 03 ARM 14 3B D10 4585 03 ARM 15 2A D10 4586 13 SLIDER 16 3B D10 4587 22 SLIDER 17 3B D10 4588 03 SLIDER 18 3B D10 4595 04 ARM 19 3B D10 4596 14 ARM 22 2A D13 2151 04 GEAR 23 2B D13 2152 04 GEAR 24 3B D13 2153 04 GEAR 25 3B D13 2154 04 GEAR Ref No A d d N e w Parts No Description 26 3B D13 2155 04 WORM 27 3B D13 2156 ...

Page 28: ...7 3 16 in 182 mm 7 3 16 in H 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 Weight 3 1lbs 1 4kg 3 1lbs 1 4kg KDC 1023 1023S KDC 122 122S KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD USA CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA90801 5745 U S A KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Ca...

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