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Kenwood KDC-X959, Service Manual

The Kenwood KDC-X959 is a high-quality car stereo with a wide range of features. To ensure you make the most of this product, don't forget to download the free instruction manual from manualshive.com. Find comprehensive guidance and detailed information to enhance your experience with this exceptional car stereo.

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PC BOARD (Component Side View)

ELECTRIC UNIT

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

13

14

ELECTRIC UNIT
(X25-927X-XX)

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X25-927X-XX (J74-1328-22)

C3

W115

C14

C20

C27

C28

C37

C40

C41

C42

C43

X4

C111

C144

C258

C260

C261

C262

C265

C355

C472

R7

R11

R16

R28

R37

R38

R43

R103

R140

R143

R204

R242

R251

R301

R303

R306

CP3

CP4

R474

R477

X1

C7

C25

C26

C30

C31

C256

C257

C259

C264

C266

C267

C305

CP1

L2

L14

L351

R2

R6

R8

R10

R12

R13

R15

R17

R19

R21

R23

R24

R27

R30

R31

R32

R41 R42

R44

R46

R115

R127

R144

R152

R167

R168

R177

R178

R187

R188

R203

W19

C130

R305

R358

R360

R366

CP5

CP6

C902

R389

R397

R400

R401

R402

R417

R421

R422

R471

R472 R473

R475

R476

W100

W15

W16

W17

W18

W111

C850

C803

C802

C804

L500

R800

R850

R851

CP2

W902

C903

C860

C855

R201

C854

L472

C9

W116

R905

R815

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8

1

16

9

1

11

12

22

44

34

23

33

28

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32

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RES

GND

S-MTR

CD

NOISE

IFC

MD

SDA

SCL

B

U5V

TEST

C1

C4

C8

C11

C13

C15

C704

C22

C23

C24

C29

C32

C33

C45

C53

C58

C59

C60

C63

C113

C114

C115

C116

C142

C143

C252

C255

C263

C352

C471

C473

C474

C475

C920

C479

C480

C485

L7

R45

W9

C5

C6

C34

C36

C44

C46

C47

C49

C50

C51

C52

C56

C57

C65

C66

C67

C68

C69

C76

C77

C78

C79

C81

C82

C85

C86

C93

C94

C95

C96

C99

C100

C101

C102

C105

C106

C107

C108

C117

C118

C119

C120

C129

C253

C254

L1

L471

X3

C702

C849

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C64

D5

D8

D13

D21

D33

D34

D35

D36

D39

D40

D112

D472

IC1

IC2

IC3

IC5

IC6

IC7

IC8

IC14

IC16

IC20

IC21

IC22

IC23

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Q8

Q12

Q29

Q30

Q34

Q35

Q472

D14

D51

D52

D53

D101

D102

D111

D475

IC10

IC11

IC12

Q6

Q7

Q11

Q13

Q17

Q19

Q20

Q22

Q23

Q52

Q101

Q305

Q306

Q473

Q475

IC24

D476

CN10

CN8

A1

D1

D6

D9

D10

D22

D23

D24

D50

D121

D122

D123

D124

D471

IC4

J1

D15

D16

D17

P1

Q4

Q10

Q16

Q26

Q111

Q474

Q476

Q1

D31

Q703

S1

CN1

CN2

CN6

CN9

CN3

CN4

CN7

D3

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TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

Summary of Contents for KDC-X959

Page 1: ...ass B10 4252 01 Panel assy A64 2723 11 Z738 Front glass B10 4242 01 Panel assy A64 2689 11 Z838W Front glass B10 4241 01 Panel assy A64 2688 11 KDC Z939 Screw set N99 1723 05 KDC X959 Z939 Screw set N99 1656 05 Lever D10 4674 04 x2 Mounting hardware assy J21 9823 03 Plastic cabinet assy A02 2712 13 Remote controller assy A70 2026 05 except KDC X959 Remote controller assy A70 2025 05 KDC X959 Escut...

Page 2: ...5V BU5V DSI EJECT G EJECT R G CD MD FM AM 1512mV 866mV 3795mV BU5V PRE MUTE PMUTE PSTBY MUTE BEEP AUX SW CD AUX E VOL OUT LEVEL A8V IFC OUT SW5V A8V SCL QUAL AFS SERVO BU5V Rch Lch A8V A8V A8V REQ H RST REQ C CH CON CLK A8V B B BACK UP BU5V BU5V A8V B B SERVO MI COM SW5V MI COM BU5V P5V MI COM REMO O DATA O CE O CLK 1 8V PRE 476mV 274mV 676mV 1695mV 4 5V PRE 896mV 1695mV Z838W E 4 5V PRE AUX CHANG...

Page 3: ...Vref 1 2Vcc voltage IC10 NJM4565M TE2 Op amp Amplifier for the front pre outputs IC11 NJM4565M TE2 Op amp Amplifier for the non fader pre outputs IC12 NJM4565M TE2 Op amp Amplifier for the rear pre outputs IC14 TDA7479D RDS decoder IC16 S 80837ANNP Reset IC When BU 5V voltage is less than 3 7V IC outputs Lo IC20 BA3121F Isolation amplifier AUX inputs isolation amplifier IC21 BA3129F Switched op am...

Page 4: ...W Rear L When Q41 s base goes Hi Pre output is muting Q42 DTC143TUA or UN5216 Audio mute SW Rear R When Q42 s base goes Hi Pre output is muting Q43 DTC124EUA or UN5212 FM B SW When Q43 s base goes Hi Q44 is turned on and A 8V is supplied to Q44 CPH3105 the F E Works during FM reception mode or RDS reception mode Q45 DTC124EUA or UN5212 AM B SW When Q45 s base goes Hi Q46 is turned on and A 8V is s...

Page 5: ...mmunication request output to the system MI COM Lo Standby Hi Request 52 NC O Not used N C 53 MCREQ I Communication request input from the system MI COM Hi Request 54 55 NC O Not used N C 56 FCS I O CS output to the flush ROM IC Lo Chip select 57 MODE1 I Not used Pull down to GND lines 58 MODE0 I Not used Pull down to GND lines 59 PARST I Reset input Lo Reset 60 CKSEL I Clock generator operation m...

Page 6: ...ive power supply connection terminal Connected to 3 3V lines 113 VSS Ground connection terminal Connected to GND lines 114 117 NC O Not used N C 118 123 A20 A15 I O Address bus 124 PAN3 3VDD Positive power supply connection terminal Connected to 3 3V lines 125 VSS Ground connection terminal Connected to GND lines 126 128 A14 A12 I O Address bus 129 A11 RS I O Address bus 130 133 A10 A7 I O Address...

Page 7: ...tected or BU OFF 28 ACC DET I ACC detection terminal Lo ACC ON Hi ACC OFF 29 SW5V I O SW5V control terminal Lo SW5V ON Hi Z SW5V OFF 30 MUTE I O MUTE output Lo Muting OFF Hi Z Muting ON 31 O CE I O External display CE terminal 32 O CLK I O External display clock terminal 33 O DATA I O External display data terminal 34 RESET I Reset input Lo System reset Hi Normal operation 35 XT1 I Sub clock reson...

Page 8: ...ONT O A D converter reference voltage control output Hi Active Connected to AVREF terminal 74 AVDD A D converter positive power supply connection terminal Connected to BU 5V lines 75 AVSS A D converter ground connection terminal Connected to GND lines 76 AVREF I A D converter reference voltage input terminal 77 IFC OUT I F E IFC OUT input terminal Hi Station detected Vth 2 5V 78 S METER I S meter ...

Page 9: ...lding the Preset 1 and Preset 3 keys reset the unit 2 How to exit from the test mode Reset the unit ACC OFF power OFF and Panel detached Note The test mode cannot be terminated by momentary power down 3 Initial status in the test mode Sources ALL OFF Display All segments are lit Volume 10 dB displayed as 30 Loudness OFF CRSC OFF regardless of the presence of switching function SYSTEM Q Flat BEEP W...

Page 10: ...xit from the test mode Note All Clear is not applicable to the security code of this model 3 Simple way to clear the security code K type only 1 During code request mode press the VOL UP key for at least 3 seconds while holding down the DISP key will disappear 2 Enter KCAR with the remote controller as described below Same as on 01 model Press the remote controller 5 key twice and press the Track ...

Page 11: ... SRC D12 D6 IC2 IC3 IC6 Q4 Q5 Q9 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 IC5 IC10 EB B E C3 C4 C5 C7 C8 C9 C21 C28 C30 C31 C32 C33 CP5 CP7 CP12 CP13 CP14 CP15 CP17 CP18 CP23 CP24 CP25 CP26 CP28 CP29 CP33 CP35 CP37 CP39 R10 R11 R12 R13 R14 R15 R16 R50 R53 R58 R64 R66 R67 X1 C35 R71 R72 CP20 R69 R70 R82 R2 1 9 10 18 1 4 8 5 1 23 30 44 22 1 144 109 1 36 108 73 37 72 1 4...

Page 12: ... G I 8 1 16 9 1 11 12 22 44 34 23 33 28 15 1 14 4 1 5 8 1 4 5 8 4 1 8 5 32 17 1 16 5 8 1 4 1 4 5 8 1 14 8 7 8 50 31 1 81 100 5 4 51 80 30 1 14 8 1 7 5 1 22 1 1 24 1 3 4 5 1 2 4 3 E B EB EB EB EB EB EB E B EB EB EB EB EB EB E B EB E B E B E B E B E B E B EB EB RES GND S MTR CD NOISE IFC MD SDA SCL BU5V TEST C1 C4 C8 C11 C13 C15 C704 C22 C23 C24 C29 C32 C33 C45 C53 C58 C59 C60 C63 C113 C114 C115 C11...

Page 13: ...19 R902 R36 R903 R33 R901 L501 C904 C55 R900 R361 R362 R357 R355 R353 R403 R407 R405 R58 R409 R412 R414 R406 R404 R147 R59 R410 R408 CP11 R148 C853 R49 C18 R34 R57 C205 C54 R50 C201 R146 R145 R141 R149 R142 C206 R53 C202 R54 W7 W8 R52 C17 R55 R702 C703 C12 R56 W121 W117 C857 W120 C2 L3 R161 R162 R175 R173 R166 R164 R165 R163 R170 R169 C98 C97 C83 R172 R171 R182 R181 C88 C91 C92 W5 C90 C89 W6 W3 W2...

Page 14: ...5 74 73 72 71 70 68 67 66 69 65 CP5 R401 1K R400 100 1Kx2 1000P R397 1K C351 CP6 2 2Kx2 CP12 100Kx2 M MUTE R M MUTE L CD SW3 PANEL DET SOURCE M RST M STOP LO EJ MOSW AUX SW ILL ON CH RST CH CON AVREF AVSS AVDD CH REQH AVCONT S METER IFC OUT R357 2 2K 85 82 CD SW2 NC 81 NOISE NC 83 84 R353 1K R355 1K CP13 100Kx2 87 86 CH MUTE 88 89 PHONE SC CON R359 100K R360 470 14 16 17 15 18 19 20 21 22 23 24 26...

Page 15: ...R179 R180 82 R189 82 470 22u16 R172 470 C100 R171 470 C99 R162 470 C94 R161 470 C93 22K W18 5 4 R174 R176 10K W17 R173 R175 10K BIN V 1 R187 22K 3 R178 22K 2 C107 10u16 C102 10u16 8 BOUT V BIN AOUT AIN AIN 7 6 R177 10u16 C101 5 4 R166 10K W16 R164 V R163 W15 R165 10K BIN AOUT AIN AIN 1 22K R168 3 2 10u16 C96 8 7 6 BIN BOUT V R167 22K C95 10u16 2200P C109 C103 2200P C104 2200P 2200P C98 2200P C97 1...

Page 16: ...0 31 32 SD9 SD10 SD11 33 34 SD12 4 I O2 I O1 I O0 CE A11 A12 9 8 7 6 5 A13 A14 A15 1 3 2 41 I O13 I O14 I O15 LB UB OE 36 37 38 SD13 SD14 SD15 39 40 OE 108 109 A2 A1 A0 44 42 43 A0 A2 A1 0 1 C4 0 1 RD WR A17 A18 A20 A19 A10 A11 A12 A13 A14 A1 A2 A3 A4 A5 A6 A7 A8 A9 A15 VCC NC12 A7 A1 A2 A3 A4 A5 A6 24 23 22 21 20 19 A17 A18 NC15 NC14 NC13 15 18 17 16 14 13 30 VSS1 A0 CE OE D0 D8 25 26 27 104 A0 2...

Page 17: ...X XX X89 253X XX D Bx2 B 253 743 738 251 223 226 222 221 786 205 763 785 C L 762 225 227 224 227 261 229 252 E 741 277 250 268 276 708 203 215 214 204 273 270 272 274 271 H PA1 275 H H G Fx3 Fx2 ED1 X16 FC2 X16 797 X25 795 X25 W9 X25 794 X25 793 X25 798 X25 799 X25 740 739 739 792 X25 796 X25 X25 DC2 DC1 282 200 220x2 213 260 280 281 RC2 K K 232 233 234 K K K F G K K G G F F 245x2 245x2 N F1 K J J...

Page 18: ...552 05 ANTENNA ADAPTOR E1 M1 E2 DME1 1B X92 4450 01 MECHANISM ASSY DXM 6111W E2 DME1 1B X92 4590 01 MECHANISM ASSY DXM 6511W K1 E1 M1 C3 5 CK73GB1C104K CHIP C 0 10UF K C6 CK73FB1A225K CHIP C 2 2UF K C7 CC73GCH1H101J CHIP C 100PF J C8 CK73EB0J106K CHIP C 10UF K KDC X959 Z939 Z738 Z838W SWITCH UNIT X16 169X XX 200 1A A02 2712 13 PLASTIC CABINET ASSY 202 1B A52 0811 12 TOP PLATE 203 2A A21 4175 04 DR...

Page 19: ... UNIT X16 169X XX C9 CK73FB1A225K CHIP C 2 2UF K C10 CK73GB0J105K CHIP C 1 0UF K C11 CK73GB1C104K CHIP C 0 10UF K K1 M1 E1 C16 19 CK73GB1H103K CHIP C 0 010UF K C20 21 CK73GB1C104K CHIP C 0 10UF K C22 23 C92 1736 05 CHIP TAN 2 2UF 35WV C24 35 CK73GB1C104K CHIP C 0 10UF K C36 C92 0628 05 CHIP TAN 10UF 10WV C37 CK73GB1H104K CHIP C 0 10UF K CN1 E40 5848 05 FLAT CABLE CONNECTOR 30P FC2 2A E39 0449 05 F...

Page 20: ... 82 C90 5429 05 NP ELEC 0 33UF 50WV C83 84 CK73FB1C334K CHIP C 0 33UF K C85 86 CE04NW1HR33M ELECTRO 0 33UF 50WV C87 88 CK73FB1C334K CHIP C 0 33UF K C89 92 CK73GB1C104K CHIP C 0 10UF K C93 94 CE04NW1C100M ELECTRO 10UF 16WV E2 C93 94 CE04NW1C220M ELECTRO 22UF 16WV K1 M1 E1 C95 96 CE04NW1C100M ELECTRO 10UF 16WV K1 M1 E1 C97 98 CK73GB1H222K CHIP C 2200PF K C99 100 CE04NW1C100M ELECTRO 10UF 16WV E2 C99...

Page 21: ...CP9 R90 1048 05 MULTI COMP 4 7K X2 CP10 R90 1045 05 MULTI COMP 470 X2 CP11 13 R90 1051 05 MULTI COMP 100K X2 CP14 R90 1509 05 MULTI COMP 100 X4 E1 E2 CP15 R90 1054 05 MULTI COMP 2 2K X4 CP16 R90 1058 05 MULTI COMP 100K X4 CP17 R90 1046 05 MULTI COMP 1K X2 R1 RK73GB2A104J CHIP R 100K J 1 10W R2 RK73FB2B152J CHIP R 1 5K J 1 8W R3 RK73GB2A223J CHIP R 22K J 1 10W R4 RK73GB2A222J CHIP R 2 2K J 1 10W R5...

Page 22: ...FB2B102J CHIP R 1 0K J 1 8W R211 RK73GB2A223J CHIP R 22K J 1 10W R212 RK73FB2B102J CHIP R 1 0K J 1 8W R213 RK73GB2A223J CHIP R 22K J 1 10W R230 RK73GB2A222J CHIP R 2 2K J 1 10W R231 RK73GB2A103J CHIP R 10K J 1 10W R242 RK73GB2A472J CHIP R 4 7K J 1 10W R301 RK73GB2A104J CHIP R 100K J 1 10W R303 RK73GB2A241J CHIP R 240 J 1 10W R305 RK73GB2A394J CHIP R 390K J 1 10W R306 RK73GB2A101J CHIP R 100 J 1 10...

Page 23: ...ITAL TRANSISTOR Q28 UN5112 DIGITAL TRANSISTOR Q29 DTC114YUA DIGITAL TRANSISTOR Q29 UN5214 DIGITAL TRANSISTOR Q30 31 2SC4081 TRANSISTOR Q32 33 DTA124EUA DIGITAL TRANSISTOR Q32 33 UN5112 DIGITAL TRANSISTOR Q34 2SC4081 TRANSISTOR Q35 DTC124EUA DIGITAL TRANSISTOR Q35 UN5212 DIGITAL TRANSISTOR ELECTRIC UNIT X25 927X XX W7 8 R92 1252 05 CHIP R 0 OHM J 1 16W E1 E2 W11 12 R92 1252 05 CHIP R 0 OHM J 1 16W ...

Page 24: ...TOR K1 Q201 2SC4081 TRANSISTOR E2 Q305 DTA114YUA DIGITAL TRANSISTOR K1 Q305 UN5114 DIGITAL TRANSISTOR K1 Q305 306 DTA114YUA DIGITAL TRANSISTOR M1 E1 E2 Q305 306 UN5114 DIGITAL TRANSISTOR M1 E1 E2 Q472 DTC144EUA DIGITAL TRANSISTOR K1 M1 E1 Q472 UN5213 DIGITAL TRANSISTOR K1 M1 E1 Q473 2SC4081 TRANSISTOR Q474 2SA2057 TRANSISTOR Q475 2SC4081 TRANSISTOR E2 Q476 2SA2057 TRANSISTOR E2 Q703 2SA2057 TRANSI...

Page 25: ... 6 1 4 in Weight 1 4kg 3 08lbs KDC X959 K KDC Z939 M FM Section Frequency Range 87 5MHz 108 0MHz Frequency Step 50kHz Usable Sensitivity S N 26dB 0 7µV 75Ω Quieting Sensitivity S N 46dB 1 6µV 75Ω Frequency Response 3 0dB 30Hz 15kHz S N 65dB MONO Selectivity DIN 80dB 400kHz Stereo Separation 35dB 1kHz AM Section Frequency Range 531kHz 1611kHz Frequency Step 9kHz Usable Sensitivity S N 20dB 25µV LW ...

Page 26: ...80dB 400kHz Stereo Separation 35dB 1kHz MW Section Frequency Range Frequency Step 531kHz 1611kHz 9kHz Usable Sensitivity S N 20dB 25µV LW Section Frequency Range 153kHz 281kHz Usable Sensitivity S N 20dB 45µV CD Section Laser Diode GaAlAs λ 780nm Digital Filter D A 8 Times Over Sampling D A Converter 1 Bit Spindle Speed 500 200rpm CLV Wow Flutter Below Measurable Limit Frequency Response 10Hz 20kH...

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