Kenwood KDC-V7090R Service Manual Download

Page: 1 / 22

2001-1 PRINTED IN JAPAN

B51-7715-00(S) 1954

SERVICE MANUAL

CD RECEIVER

KDC-V7090R/Y

KDC-V7090R

AUD

PWR OFF

CLK

ANG

VOL ADJ

NAME.S

DISP

DAB

COMPACT

TEXT

DIGITAL AUDIO

47Wx4

LOUD

SCAN

RDM

REP

M. RDM

PTY

●

KDC-V7090R

Antenna adaptor
(T90-0523-05)
(T90-0534-05)

Plastic cabinet assy
(A02-1497-03)

DC cord
(E30-4942-05)

Lever
(D10-4562-04)

Remote controller assy
(A70-0886-15)

Mounting hardware assy
(J21-9716-03)

Knob(EJECT)
(K25-1226-03)

Front glass
(B10-3263-01)

Panel assy
(A64-2160-02)

Knob(VOL)
(K25-1222-03)

Knob(1-6)
(K25-1223-03)

Knob(FM/AM)
(K25-1225-03)

Torsion coil spring
(G01-2924-04)

Screw set
(N99-1704-05)

Remote controller assy
(A70-2015-05)

Summary of Contents for KDC-V7090R

Page 1: ...KDC V7090R Antenna adaptor T90 0523 05 T90 0534 05 Plastic cabinet assy A02 1497 03 DC cord E30 4942 05 Lever D10 4562 04 Remote controller assy A70 0886 15 Mounting hardware assy J21 9716 03 Knob EJECT K25 1226 03 Front glass B10 3263 01 Panel assy A64 2160 02 Knob VOL K25 1222 03 Knob 1 6 K25 1223 03 Knob FM AM K25 1225 03 Torsion coil spring G01 2924 04 Screw set N99 1704 05 Remote controller a...

Page 2: ...13 Q4 6 ILLUM B MATRIX KEY V ILL TYPE X13 998 X13 995 SW14V E VOL PREOUT PRE OUT LEVEL ATT CD MECHA CD MD CH FM AM LCD DRIVER RGB CONTROL CH S METER QUAL SERVO B MO SW STOP MUTE SW2 LO EJ RST SW3 SW1 SDA SCL A8V BU5V SW5V RST REQ C CLK CH CON DATA H REQ H CD AM FM MUTE PRE MUTE MC REQ PANEL PANEL RST SC REQ MC CLK SC DATA MC DATA SC CON RESET REMO SRM SW2 SRM SW3 SRM DET SRM SW1 SDA SCL AFS AFS S ...

Page 3: ...STBY terminal Power IC ON H Power IC OFF L During All OFF H 21 MUTE O MUTE termianl ON Open OFF L 22 N C O Open not used 23 N C O Open not used 24 ACC DET I ACC detection terminal L ACC H No ACC 25 DIMMER I Small detection terminal ON L OFF H 26 SW5V O 5 volt power terminal ON L OFF H 27 EXT AMP CO O External AMP control terminal 200ms L 40ms Bus boost OFF L 70ms Bus boost LOW L 100ms Bus boost HI...

Page 4: ...ion terminal Tel mute Min 1 volt Navi mute Max 2 5 volt 75 SRM SW3 I Mask mechanism position detection input See 01mask mechanical position detection chart 76 SRM SW1 I Mask mechanism position detection input See 01mask mechanical position detection chart 77 SRM SW2 I Mask mechanism position detection input See 01mask mechanical position detection chart 78 SRM DET I Mask mechanism detection input ...

Page 5: ...r is settable in 3 steps of Rear MAX CENTER Front MAX with the Track up down keys HPF is settable in 2 steps of THRU 220Hz with the Track up down keys LPF is settable in 2 steps of THRU 120Hz with the Track up down keys Bass f Bass Q Bass EXT Middle f Middle Q Treble f do not appear in the audio alignment 8 Menu items Momentarily pressing the CLK key calls up the Menu mode The DNPP SBF keys on the...

Page 6: ... controller 2 key once and press the Track Up key Enters an A Press the remote controller 7 key twice and press the Track Up key Enters an R 3 Security function is canceled and unit sets to All Off mode 4 Code request mode appears if a mistake was made in entering the numbers Mask key write method on initialized EEPROM 1 While holding the FM key and the preset 6 key reset the unit 2 Press the CLK ...

Page 7: ... 5 D 3 6 D 3 1 B 4 2 D 4 3 D 3 4 C 4 5 D 4 O N f e R s s e r d d A C I Q 1 H 4 2 G 4 4 F 2 5 F 3 6 F 3 1 H 4 2 F 4 3 F 3 4 G 4 5 F 4 PC BOARD Foil Side View CD PLAYER UNIT CD PLAYER UNIT CD PLAYER UNIT X32 5030 00 CD PLAYER UNIT X32 5030 00 Refer to the schematic diagram for the values of resistors and capacitors C85 R45 R44 C51 C34 C41 CP1 R117 X1 R121 C72 C77 R125 R104 C78 R122 R118 R126 R102 R1...

Page 8: ... 6 8 7 14 1 1 2 4 3 E B Q10 IC8 IC15 Q38 Q39 Q40 Q37 Q31 Q11 Q12 Q28 Q30 Q27 Q13 Q24 Q14 Q36 IC16 D26 D25 Q29 C124 C125 R7 C126 C127 C123 C122 C121 R202 C128 R82 R90 R89 R69 R66 R75 R50 R72 C116 R204 R231 R230 R216 R215 R214 R111 R109 R100 R102 R205 R207 R206 R115 R208 R116 R119 C21 R10 W7 C149 C141 R4 R3 X2 CP3 CP6 CP5 CP2 X1 R218 R217 R61 R60 R62 R59 R83 R84 R118 R117 CP1 CP4 R49 L R VT 5V RESET...

Page 9: ...0 R137 E R136 1 5 E B IC15 Q36 Q14 D26 D25 IC8 Q30 Q31 Q27 Q28 Q38 Q37 Q39 Q40 Q24 Q29 IC16 Q10 Q13 Q11 Q12 L10 VT L9 R212 R210 L7 1 C134 L12 7 6 2 24 1 R218 R217 E B X3 C125 W31 C126 24 25 C127 W30 C128 2 1 C121 C1 R33 L1 16 1 9 8 C94 C93 C96 FR FL 6 RL RR 1 C95 CP4 CP6 C120 R204 C116 1 3 W36 R202 E B B R208 R206 R207 R205 W34 W35 W33 C115 L C114 B E B E C67 C69 E L11 C68 C119 RL FL C117 FR C118 ...

Page 10: ...C200 W32 R10 2 2 L CE L CLK L DATA L L DATAS NC DIMMER 1K R238 17 R240 1K 10 100 21 FL FR RL RR R165 R166 R168 R167 C93 C94 C95 C96 11 13 79 4 7K R159 4 7uH L6 X86 3242 70 X86 3342 71 X86 3342 71 YES YES NO NO C161 IC1 UPD703033GC052 UPD703033GC053 UPD703033GC052 UPD703033GC053 YES NO YES NO R51 YES NO NO R52 YES NO YES YES NO R53 YES YES NO 99 239 R71 83 NO YES YES NO NO R97 98 101 W6 7 YES NO NO...

Page 11: ...0K R79 2 2K C46 1000P R77 2 2K R75 1K R76 100K R74 2 2K R73 2 2K R85 R72 1K 2 2K R69 2 2K R71 1M R117 1K R118 1K 31 64 65 57 60 58 61 63 53 54 90 91 AFS 1 2 SRM SW1 SRM SUB 7 6 C147 0 22 C148 75 76 76 77 75 79 78 86 88 87 83 82 81 80 92 2 2K R214 R216 2 2K R215 2 2K 4 7uH L11 0 01 C135 1000P C139 47K R243 83 13 11 10K 31 1K R217 4 7K R218 80 UNIT MODEL KDC V7090R KDC 7090R 2 71 KDC 7090RY KDC V709...

Page 12: ... S32 S36 25 26 27 S34 S35 22 23 24 S37 S38 S45 57 56 S42 20 19 21 S40 S41 16 18 17 55 S43 S44 63 61 60 62 58 59 S48 14 15 13 S46 S47 10 12 11 S49 S50 S74 3 75 74 67 66 68 64 65 S55 6 7 9 8 S73 S75 S72 5 4 S70 S71 S69 77 76 S57 S56 S58 2 1 S67 S68 S66 47 41 40 39 44 42 43 45 46 53 50 48 49 51 52 54 69 S53 70 72 S51 S52 73 S54 S25 S28 S26 S27 S29 S30 S19 S22 S20 S21 S23 S24 S13 S16 S14 S15 S17 S18 S...

Page 13: ...OFTR BDO C BDO 3TOUT C EA ARF C AGC RFIN RFOUT RFN VCC LD PD 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 VREF VDET TEBPF TEOUT TEN FEN FEOUT GCTL TBAL F E C A D B FBAL 1 3 2 3300P 6800P 19 0 033 C10 4700P 1000P C23 ARF C8 1 10K R10 10K R11 9 1K R12 15P C5 2P C6 RF 0 1 C7 R15 820K 43K C16 150P R17 3 9K R18 TE 22K R16 4700P C14 0 047 C15 C17 4700P 12 51K R19 220P C18 92 C19 0 1 R20 100K 10 11 R2...

Page 14: ...F F J C J Q Q Q B B B B B B D L L E K J1 237 235 236 302 251 238 239 214 212 264 211 210 232 254 225 240 242 230 250 202 213 253 263 243 FPC1 B B DC1 201 249 RM1 RM2 265 281 LV1 LV1 285 303 248x4 FC1 ME1 AC1 DN1 F1 771 770 784 772 701 P P M M P P P P 222 P P P R 802 801 S S S S WH1 IC4 226 269 277 252 782 221 799 722 257 301 304 267 304 223 228 PA1 220 271 272 245 751 273 270 276 274 275 224 N N N...

Page 15: ...G COVER F1 2D F52 0006 05 FUSE MINI BLADE TYPE 249 1C G01 2924 04 TORSION COIL SPRING 250 2C G01 3065 04 EXTENSION SPRING 251 3C G01 3066 04 TORSION COIL SPRING 252 3D G01 3069 04 EXTENSION SPRING 253 2C G01 3080 04 TORSION COIL SPRING 254 2C G09 2038 04 FORMED WIRE 257 3C G16 1177 04 SHEET H10 4763 02 POLYSTYRENE FOAMED FIXTURE H25 0329 04 PROTECTION BAG 280X450X0 03 H25 0337 04 PROTECTION BAG 18...

Page 16: ... R 390 J 1 8W R45 RK73EB2B331J CHIP R 330 J 1 8W S31 S70 0864 05 TACT SWITCH D24 MA3091 M ZENER DIODE D26 DA204U DIODE IC1 UPD780076GK501 MI COM IC IC2 LC75878W MOS IC IC3 RS 171 ANALOGUE IC Q1 2SC2412K TRANSISTOR Q2 3 2SD2114K TRANSISTOR Q4 DTA144EUA DIGITAL TRANSISTOR Q5 7 2SC2412K TRANSISTOR J1 3C E58 0903 05 RECTANGULAR RECEPTACLE FPC1 3C J84 0121 12 FLEXIBLE PRINTED WIRING BOARD X25 876 C1 C9...

Page 17: ... R8 R92 3047 05 CHIP R 24K D 1 10W R10 RK73EB2B2R2J CHIP R 2 2 J 1 8W R13 RK73EB2B102J CHIP R 1 0K J 1 8W R15 RK73EB2B103J CHIP R 10K J 1 8W R16 RK73GB1J223J CHIP R 22K J 1 16W R17 RK73GB1J473J CHIP R 47K J 1 16W R19 RK73EB2B103J CHIP R 10K J 1 8W R20 RK73GB1J104J CHIP R 100K J 1 16W R38 RD14DB2H102J SMALL RD 1 0K J 1 2W R39 RK73GB1J223J CHIP R 22K J 1 16W R40 RD14DB2H102J SMALL RD 1 0K J 1 2W R41...

Page 18: ... M ZENER DIODE D11 12 AM01Z DIODE D11 12 ERA15 01 DIODE D14 AM01Z DIODE D14 ERA15 01 DIODE D15 1SS133 DIODE D16 MA4056 N M ZENER DIODE D17 MA4062 N M ZENER DIODE D18 1SS133 DIODE D22 24 MA4062 L ZENER DIODE D25 26 RD6 8M B2 ZENER DIODE D27 28 MA4068 N M ZENER DIODE D29 MA4062 L ZENER DIODE D30 32 1SS133 DIODE D33 36 AM01Z DIODE D33 36 ERA15 01 DIODE D38 41 AM01Z DIODE D38 41 ERA15 01 DIODE D61 64 ...

Page 19: ...92J CHIP R 3 9K J 1 16W R19 RK73GB1J513J CHIP R 51K J 1 16W R20 RK73GB1J104J CHIP R 100K J 1 16W R21 RK73GB1J304J CHIP R 300K J 1 16W R32 RK73GB1J104J CHIP R 100K J 1 16W R34 RK73GB1J683J CHIP R 68K J 1 16W R36 RK73GB1J151J CHIP R 150 J 1 16W R37 RK73GB1J471J CHIP R 470 J 1 16W R38 RK73GB1J224J CHIP R 220K J 1 16W R44 RK73GB1J512J CHIP R 5 1K J 1 16W R45 RK73GB1J103J CHIP R 10K J 1 16W R46 RK73GB1...

Page 20: ... 3B D14 0674 04 ROLLER 49 3A D21 2228 14 SHAFT 50 1A D21 2229 04 SHAFT 51 1A D23 0925 24 RETAINER 52 2A D32 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 EXTENSI...

Page 21: ...8 0 80 800 8000 K 35 V EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 Type 2 Shape 5 Voltage rating 4 Temp coefficient 3 Dimension 6 Value 7 Tolerance 7 6 5 4 3 2 1 EX C K 7 3 F F 1 H 0 0 0 Z 7 6 5 4 3 2 1 Chip CH RH UJ SL Chip B F Chip resistor Carbon EX R K 7 3 E B 2 B 0 0 0 J 7 6 5 4 3 2 1 RESISTORS Chip B F Carbon resistor Nomal type EX R D 1 4 B B 2 C 0 0 0 J 7 6 5 4 3 2 1 1 Type 2 S...

Page 22: ...ter 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 Total Harmonic Distortion 0 01 1kHz S N Ratio 105dB 1kHz Dynamic Range 93dB Channel Separation 85dB AMPLIFIER Section Preout Level Load 1800mV 10kΩ CD CD CH Preout Impedance 600Ω Maximum Power 47W 4 Power Output 29W 4 DIN45324 B 14 4V TONE Section Bass 100Hz...

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