Kenwood KDC-4090R Service Manual Download Page 2 | Manualshive

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KDC-4090R/Y

2

BLOCK DIAGRAM

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Summary of Contents for KDC-4090R

Page 1: ...MPACT DIGITAL AUDIO 45Wx4 M RDM Knob EJ K24 3653 04 Front glass B10 4001 01 Panel assy A64 2213 02 Knob Q K24 3652 04 Knob VOL K25 1256 03 Knob 1 6 K25 1253 03 Knob CLK K25 1254 03 Knob FM AM K25 1255 03 DC CORD E30 4790 05 MOUNTING HARDWARE ASSY J21 9641 03 PLASTIC CABINET ASSY A02 1486 13 LEVER D10 4589 04 ANTENNA ADAPTOR T90 0523 05 4090RY T90 0534 05 4090R ...

Page 2: ...KDC 4090R Y 2 BLOCK DIAGRAM ...

Page 3: ...C12 BR24C01AForBR24C01AF W E2PROM M24C01 WMN6TorS 24C01B Q10 2SC4081or2SD1819A B U detection Detect BU voltage Q20 2SC4081or2SD1819A ACC detection Detect ACC voltage Q40 DTA124EUAorUN5112 PREOUT mute driver Mutes when base is Lo controls Q221 224 Q50 2SA1036K SW 5V ON when the base is Lo Q51 UMC2N SW 14V ON when the base is Hi controls Q55 Q53 UMC2N Switch for power supply IC ON when the base is H...

Page 4: ...M reception 26 FM B O FM B control Hi during FM reception 27 M SCL I O Clock input output with the MICOM of CD mecha 28 DSI O DSI output Hi LED ON 29 LO EJ I O CD mecha Loading Eject switching output Lo Loading Hi Eject 30 SW3 I Down limit switch detection input Hi Chucking Lo Pickup most inner position 31 R DATA I Data input from RDS decoder 32 R QUAL I Quality input from RDS decoder 33 VSS1 Grou...

Page 5: ... In the Audio adjustment mode the Seek Up Down keys on the remote controller can only be pressed shortly They cannot be held depressed The volume is 10 dB which is displayed as 30 LOUDNESS is OFF The Bass Treble Up Down and Balance Fader Up Down buttons function as full boost full cut and full front full rear respectively 6 Menu mode Pressing the CLK or the DNPP key on the remote controller initia...

Page 6: ...L304 L101 L303 L201 C222 C221 C223 C51 C52 C53 C55 C56 C54 C205 C204 C353 C257 C351 C224 C258 C203 C255 C101 C304 C201 C256 C57 C301 C306 W6 W5 W51 W57 W60 W45 W48 W25 W35 W31 W23 W30 W27 W22 W28 W40 W42 W43 W13 W15 C50 W67 W115 W102 W133 W122 W136 W135 W113 W125 W134 W111 W104 W103 W88 W89 W70 W74 W65 W68 W80 W19 W46 W75 W52 W49 W96 W92 W101 W71 W69 W18 W12 W29 W2 W20 W4 W10 W11 W7 W21 W9 W100 W7...

Page 7: ... C222 W51 W57 W60 W45 W48 W38 W46 C201 L201 W39 C256 R406 C402 C401 C403 R408 R402 R401 R403 W16 6 10 9 R410 R409 R411 R405 R407 5 1 7 R253 C251 C254 C253 R252 W50 R404 1 W52 W128 W127 R172 R163 W91 W94 W99 W83 W107 W112 W110 W106 R145 W117 R101 W131 W134 12 C55 W72 W125 W97 W82 21 22 R141 W105 W116 W98 W121 W138 W120 X1 W87 W79 W78 W85 W76 W63 W77 W66 W73 W96 C57 W103 W132 W129 W130 C101 L101 C56...

Page 8: ... 4 5 V 4 O N f e R s s e r d d A C I Q 1 Z 4 2 Y 4 4 X 2 6 X 3 1 Z 4 2 X 4 3 X 3 4 Y 4 5 X 4 PC BOARD Foil Side View CD PLAYER UNIT CD PLAYER UNIT CD PLAYER UNIT X32 5010 00 CD PLAYER UNIT X32 5010 00 PC BOARD Component Side View Refer to the schematic diagram for the values of resistors and capacitors C85 R238 C41 CP1 R117 X1 R121 C72 C77 R125 R104 C78 R122 R118 R126 R102 R107 R108 C79 C80 R32 C6...

Page 9: ... SDA SCL 64 59 58 57 56 54 100K R144 4 3 2 2K R145 0 1 C142 2 1 3 C226 0 01 0 01 C225 40 41 52mH L4 L303 4 7uH L304 4 7uH 0 01 C302 100u10 C301 R302 4 7 0 01 C308 0 01 C303 AM FM 22 27 76 L305 0 01 C305 C304 100u10 R301 2 2 9 20 10 L306 4 7uH 4 7uH 38 60 R109 4 7K 19 18 17 16 28 6 53 42 50 42 76 4 R168 1K PANEL ESD G L DATAL L DATAS REMO SW 5V L CE L CLK R165 470 R166 1K R167 100 R170 1K R164 470 ...

Page 10: ...S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 RES DATAL CE CL DATAS KI1 KI2 KI4 KI3 C3 0 047 1000P C2 0 047 56K 0 01 4 7 1K 47K 79 80 78 76 77 77 78 80 79 R5 1K R3 470 R2 470 R4 470 R13 2 2 KS5 25 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 KS4 KS3 KS2 C3 C2 C1 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 47 270 R20 0 01 C8 0 01 C9 3 1 GN...

Page 11: ...RK FCS 47K R73 R71 10K 1K R72 0 015 C43 24K R78 56K R77 R76 6 2K 33K R75 27 26 1 2 CP1 100 4 7K R49 7 6 8 5 4 1 2 3 C79 C80 330 R108 330 R107 20K R121 R117 20K 68P C77 20K R125 R118 20K R122 20K 68P C78 R126 20K R47 10K 2200P CP3 100 CP2 100 26 1 2 47 30 29 34 35 93 94 86 89 91 87 11 12 11 12 17 18 86 87 89 94 93 91 10 2 1 4 3 11 12 15 19 29 30 32 33 34 35 36 27 TVD ECS 18 17 LOAD SLED SLED EJECT ...

Page 12: ...x2 5 φ2x3 5 M1 7x4 M2x2 φ2x6 WASHERφ1 2 WASHERφ1 6 WASHERφ1 6 M2x2 N09 4249 05 N09 4172 05 N09 4202 05 N38 2020 46 N09 4294 05 N19 2023 04 N19 2058 04 N19 2093 04 N39 2020 46 18 14 54 2 13 83 51 46 50 46 51 40 26 25 72 70 873 52 75 52 D J G B B H E E H E E E 885 E H Ex2 E F E B F G B Cx2 B B B Ax2 53 37 38 39 65 45 80 17 66 16 12 71 18 11 54 54 79 77 19 43 60 60 20 DPU1 44 41 3 9 10 47x2 35 58 67 ...

Page 13: ...0 2008 45 PAN HEAD TAPTITE SCREW D 1D N83 3005 46 PAN HEAD TAPTITE SCREW N 2C N29 0205 04 RETAINING RING 1 5φ 233 1C T90 0523 05 ANTENNA ADAPTOR 233 1C T90 0534 05 ANTENNA ADAPTOR ME1 2D X92 4130 00 MECHANISM ASSY 301 2C B11 1327 04 OPTICAL DIFFUSER SWITCH UNIT X13 9872 73 302 2C B11 1328 04 REFLECTION SHEET 303 2C B19 2065 03 LIGHTING BOARD D1 14 B30 1569 05 LED 2COLOR PG RED D18 19 B30 1572 05 L...

Page 14: ...5 PIN JACK P1 E23 0745 05 TERMINAL L1 L33 1170 05 CHOKE COIL ASSY L4 L33 1123 05 LINE FILTER COIL L101 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J L201 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J L303 306 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J X1 L77 1167 05 CRYSTAL RESONATOR 4 19M X2 L77 2002 05 CRYSTAL RESONATOR D 2D N83 3005 46 PAN HEAD TAPTITE SCREW E 2D N80 3010 46 PAN HEAD TAPTITE SCREW F 2D N83...

Page 15: ...ER DIODE D251 253 1SS133 DIODE D401 402 MA4068 N M ZENER DIODE D403 404 HZS6C1 ZENER DIODE D403 404 MA4062 L ZENER DIODE D409 411 HZS6C1 ZENER DIODE D409 411 MA4062 L ZENER DIODE IC1 UPD780058GC232 MI COM IC IC2 TDA7407D ANALOGUE IC IC4 TDA7386 ANALOGUE IC IC6 TDA7479D ANALOGUE IC IC7 BA4911 V4 ANALOGUE IC IC8 HD74HC27FP MOS IC IC11 S 80830ANNP MOS IC IC12 BR24C01AF MEMORY IC IC12 BR24C01AF W MEMO...

Page 16: ...16W R37 RK73GB1J471J CHIP R 470 J 1 16W R38 RK73GB1J224J CHIP R 220K J 1 16W R46 RK73GB1J102J CHIP R 1 0K J 1 16W R47 RK73GB1J103J CHIP R 10K J 1 16W R49 RK73GB1J472J CHIP R 4 7K J 1 16W R52 RK73GB1J104J CHIP R 100K J 1 16W R54 RK73GB1J104J CHIP R 100K J 1 16W R71 RK73GB1J103J CHIP R 10K J 1 16W R72 RK73GB1J102J CHIP R 1 0K J 1 16W R73 RK73GB1J473J CHIP R 47K J 1 16W R75 RK73GB1J333J CHIP R 33K J ...

Page 17: ... 0614 04 STOPPER 53 1B D39 0223 05 DAMPER YELLOW 54 2B D39 0224 05 DAMPER BLACK 55 3B F09 1246 04 SHEET 58 3B F09 1266 14 SHEET 60 2A G01 2770 04 EXTENSION SPRING 61 3A G01 2771 04 EXTENSION SPRING 62 3A G01 2772 24 EXTENSION SPRING 63 3A G01 2773 14 EXTENSION SPRING 64 3A G01 2774 34 EXTENSION SPRING 65 1B G01 2775 04 TORSION COIL SPRING 66 1B G01 2776 14 TORSION COIL SPRING 67 3B G01 2777 24 TOR...

Page 18: ...D A 8 Times Over Sampling D A Converter 1Bit Spindle Speed 500 200 CLV Wow Flutter Below Measurable Limit Frequency Response 10 20kHz 1dB THD 0 01 1kHz S N Ratio 96dB 1kHz Dynamic Range 93dB Channel Separation 85dB AMPLIFIER Section Preout Level Load 1800mV 10kΩ CD CD CH Preout Impedance 600Ω Maximum Power 45W 4 Power DIN45324 B 14 4V 28W 4 TONE Section Bass 100Hz 10dB Middle 1kHz 10dB Treble 10kH...

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