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Kenwood KDC-3047M, Service Manual

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Kenwood KDC-3047M Service Manual Download Page 18

18

KDC-3047M/MP1046/MP145/MP145CR/MP146/MP2046

/MP245/MP246AM/MP246G/MP246S/MP3046

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

Q111

Q101

Q112

Q201

IC1

SW1

CN102

CN101

D101

D201

Q301

Q302

B55

B80

B57

B54

1

15

22

1

B81

B85

B52

REST

(BROWN)

(BROWN)

SGND

(ORANGE)

(ORANGE)

B60

B74
B64

B51

B67

B63

C22
C21

C1

1

18

(BROWN)

(WHITE)

C3 R82

R68

C14

R81

C13

C15

R83

R71

R69

R72

C16

R84

B5

36

19

B84

B71

B79

B78

B77

B76

B75

B69

C2

R67

B68

R85

R70

R86

B70

R103

R201

R102

R203

R202

B53

R61

B72

B13

B14

B62

B73

B56

B50

B82

B65

B58

R63

R104

R204

R205

R105

B3

C112

R112

R101

B1

C8

LO+

LO-

GND

PTSW1

PTSW2

(RED)

(RED)

(ORANGE)

C7 C5

C6

C4

FE+

FE-

SP-

SP+

(RED)

(WHITE) (YELLOW)

(BLACK)

C18

B4

B

E

B

E

BE

BE

REST SW PCB

PHOTO PCB

CD PLAYER UNIT
MAIN PCB

P

Q

R

S

T

1

2

3

4

5

6

7

CD PLAYER UNIT

Ref. No.

Address

IC1

4R

Q101

4S

Q111

4S

Q112

4S

Q201

4R

Q301

5P

Q302

6S

PC BOARD (FOIL SIDE VIEW)

Summary of Contents for KDC-3047M

Page 1: ...P246S Y33 3290 21 TDF MP246S KDC MP3046 Y33 3290 20 TDF MP246G Mounting hardware assy J22 0789 03 Lever D10 7106 04 x2 DC cord E30 xxxx xx Screw set N99 1757 15 Escutcheon B07 xxxx xx Carrying case W01 1710 05 DC cord E30 6934 05 Screw 4x16 N84 4016 48 Plastic cabinet assy A02 2755 23 Remote controller assy RC 405 A70 2104 05 Depends on the model Refer to the parts list KDC 3047M Panel assy A64 49...

Page 2: ...SW5 E2PROM SW5 BU5 FRONT J2 PANEL DET IC1 BU5 FL B IC4 FL B J3 SW5 IC10 RDS DECODER TUNER ROTARY ENCODER DRIVER FL KEY ILLUMI Rx5 1 2W KEY MATRIX 1 4W Rx2 CD SERVO IC SUPPLY POWER DC CN etc MUTE PRE IC POWER PRE OUT DET SURGE DC CN AUX SW5 BU5 SERVO IC Bolero u COM IC900 CD 3 3V CD 1 5V IC902 BU BU5 BU5 ATOMIC BU5 B ILLUMI Q7 10 MARINE REMOTE OEM REMOTE MUTE MECHA CD SERVO B DME1 ELECTRIC UNIT X34...

Page 3: ...I VFD B AVR outputs 11V Q10 CONT SW for ILLUMI VFD B ON when the Q7 s base goes Hi Q11 12 CONT SW for Servo B ON when the base goes Hi Q13 CONT SW for IC4 ON when the base goes Hi Q14 CONT SW for IC4 ON when the base goes Lo Q101 ACC DET ON when the base goes Hi during ACC is applied Q102 Surge DET When the base goes Hi surge voltage is detected Q103 BU DET ON when the base goes Hi during BU is ap...

Page 4: ...n detection H No panel L Panel found 21 CD DRIVE MUTE O Motor driver mute output H Mute Output OFF L Output ON 22 CD EJECT O LOAD EJECT control q Refer to the truth value table 23 CD LOAD O LOAD EJECT control q Refer to the truth value table 24 CD REST SW I CD inner circumference detection L Inner circumference detection 25 CD MUTE I CD mute request L Mute request 26 CD SRAM STB O 1M bit SRAM stan...

Page 5: ...O E VOL data output 79 NC Not used Output L fixed 80 PWIC STBY O Power IC standby control POWER ON H POWER OFF L 81 TYPE1 I Destination SW 82 TYPE2 I Destination SW 83 TYPE3 Not used Output L fixed 84 NC Not used Output L fixed 85 AUD DC ERR I DC offset detection If DC offset is detected 20 times in 100ms with condi tion below 1 0V it will be judged as DC offset is de tected 86 CD SW1 I Disc inser...

Page 6: ...PS1 2 PS1 3 PS2 1 ILLUMI P CON P ANT L L L OFF OFF OFF L L H ON OFF OFF H L H ON ON OFF H H H ON ON ON SEL2 Pin 11 PS1 1 AUDIO SW5 AM L OFF OFF H ON OFF H ON ON Pin No Pin Name I O Application Truth Value Table Processing Operation Description 95 PS1 3 O Power supply IC control w Refer to the truth value table 96 AVSS 97 NC Not used Output L fixed 98 VREF 99 AVCC 100 CD SW2 I 12cm disc detection M...

Page 7: ...ck resonator is disconnected When having started up in the Test mode change the LINE MUTE inhibition time from 10 seconds to 1 second In the Test mode do not write the detection information in the Data Flash ROM even if a DC Offset Error is detected Do not operate the DEMO mode in the Test mode CD Mechanism Error Log Information Clear Mode or DC Offset Error Detection Information Clear Mode Also w...

Page 8: ... 00001 10922 is displayed for xxxxx MAX 10922 hours 4 DISC operation times display C D T M 0 H X X The 00 50 is displayed for xx When less than 1 hour displayed by increments of 10 minutes C D T M X X X X X The 00001 10922 is displayed for XXXXX MAX 10922 hours 5 DISC EJECT times display E J C N T X X X X X Disc Eject times display MAX 65535 times 5 While disc EJECT times is displayed press and ho...

Page 9: ...Description of display Description BAND forward rotation CD mechanism error log display M E C H A E R 1 X X Mechanism error log 1 Latest XX Error number The is displayed in case there is no error M E C H A E R 2 X X Mechanism error log 2 Latest XX Error number The is displayed in case there is no error M E C H A E R 3 X X Mechanism error log 3 Latest XX Error number The is displayed in case there ...

Page 10: ...tation Destination terminal condition display T Y P E 2 1 1 1 TYPE indicates μ com destination and indicates condition of the destination terminal in real time Development ID condition display 0 9 2 8 W E 2 3 0 0 Development code Version system μ com Test mode in Tuner source If the following display is shown when the source is TUNER it indicates an error Status Description of display Description ...

Page 11: ...AND forward rotation Level Offset adjustment Auto A S X X L X X Press and hold the BAND key for 1 second to select the TUNER adjustment method A AUTO M MANUAL S XX Present S meter value HeX L XX Level offset value HeX When the level offset value is not yet adjusted 0XFF or 0X00 is displayed Level Offset adjustment Manual M S X X L X X Procedure in the AUTO adjustment mode Key Description of displa...

Page 12: ...ROM after the adjustment the value is not saved in the ROM When the level offset value is read out and found to be 0X00 or 0XFF it is decided that the adjustment is not yet made The adjustment starts with the default value OX3E when the adjustment is re started from the status in which it is not yet made Setting is not yet adjusted L key operation Start the adjustment L E 3 key operation Increase ...

Page 13: ...face disc TCD 731RA Tr14 3 forward rotation Information display Mechanism model name Mechanism version C D K 1 Displays mechanism model name and servo version Loading time L O A D S Displays the time in seconds required from the start of disc loading to the completion of TOC READ Make sure to clear this time before starting the disc loading 4 Jump procedure Jump to No 15 Set the volume value to 26...

Page 14: ...ected times of capacitor leaks 0 4 2 D C 2 0 Press and hold this key for 2 seconds when a capacitor leak is detected to clear the number of detection Clear the Data Flash ROM FM AM Channel space switching Except KDC 3047M Procedure Note While Power OFF pressing and holding 1 key and 5 key and press SRC key to Power ON FM200kHz AM10kHz FM50kHz AM9kHz KDC MP145 MP245 FM50kHz AM10kHz FM200kHz AM10kHz...

Page 15: ...D5 D4 J1 D8 D7 SWITCH UNIT X16 674x xx J76 0636 02 KS1 KS2 KS3 KS4 KI1 KI2 KI3 KI4 KI5 TP22 TP27 TP21 TP26 TP25 TP23 TP29 TP24 TP28 E D C B A 1 2 3 4 5 6 7 X16 674x xx Ref No Address IC1 5D X16 674x xx Ref No Address IC3 7B PC BOARD COMPONENT SIDE VIEW PC BOARD FOIL SIDE VIEW SWITCH UNIT X16 674x xx J76 0636 02 C91 C92 BAND VOL AUD 69 21 20 1 1 2 3 4 5 6 DISP SRC C93 C62 R75 C76 AUX C65 C56 VCC G ...

Page 16: ... 1 3 1 2 4 3 41 60 61 80 81 50 51 80 D G S S G D D G S S G D D G S S G D B E B E E B B E E B E B B E E B B E B E S G D E B B E B E E B E B B E E B B E B E E B ELECTRIC UNIT X34 659x xx J76 0639 02 IC1 IC8 IC900 IC902 D607 D650 Q951 Q950 D3 Q301 Q705 D101 D103 Q101 Q102 Q103 Q104 Q105 Q11 Q7 Q13 D102 D104 Q3 Q9 D951 Q901 D901 Q905 Q902 Q900 D110 Q12 Q14 Q10 Q904 Q903 C210 R109 R116 R117 C7 R306 R31...

Page 17: ...R515 R508 R713 C536 C535 C548 32 50 51 4 5 9 8 16 17 15 14 B E B E B E B E B E B E B E IC10 IC7 IC2 IC501 D607 Q705 Q707 Q708 Q701 Q702 Q703 Q704 D501 W118 R232 C401 W104 W105 R703 R704 R709 R710 C541 C543 C308 R331 R342 C701 C702 C705 C706 R208 W106 C403 W19 C519 C805 R343 R344 R345 R346 W500 R705 R706 R711 R712 W501 R715 R716 L507 L505 L504 L501 X3 X501 R330 R332 R541 R210 R209 R403 R352 R353 L5...

Page 18: ...WN WHITE C3 R82 R68 C14 R81 C13 C15 R83 R71 R69 R72 C16 R84 B5 36 19 B84 B71 B79 B78 B77 B76 B75 B69 C2 R67 B68 R85 R70 R86 B70 R103 R201 R102 R203 R202 B53 R61 B72 B13 B14 B62 B73 B56 B50 B82 B65 B58 R63 R104 R204 R205 R105 B3 C112 R112 R101 B1 C8 LO LO GND PTSW1 PTSW2 RED RED ORANGE C7 C5 C6 C4 FE FE SP SP RED WHITE YELLOW BLACK C18 B4 B E B E B E B E REST SW PCB PHOTO PCB CD PLAYER UNIT MAIN PC...

Page 19: ... 180 TP344 C874 R710 22K 680P R712 R705 180 R704 22K C872 680P C871 680P R703 22K R706 180 TP340 OUTSWR OUTSWL OUTRF OUTRR OUTLR OUTLF WINTC MUTE DC ERR WIN IN C510 C509 4 1 SE2L SE1R SE1L 3 2 R352 470 R353 470 1 1 QD1R SE3R SE3L SE2R 6 5 QD1G QD1L 9 8 7 14 13 12 11 10 FD1R FD1L FD1L CREF FD1R TP400 R756 0 C403 1u50 25 28 SDA 26 27 C404 1 VCC SCL 23 24 20 21 22 R755 17 18 19 GND 15 16 0 1 C405 C40...

Page 20: ...09 C907 0 1 C911 68P 1 C912 3300P C914 0 1 6 10 13 12 11 9 8 7 FPI2 FNI1 FNI2 RVSS3 RFO AGGI DCOFC RFEQO 2 5 4 3 1 RFRPI RFI SLCO RVDD3 VCOF VCOI LPFO PVREF TP909 CD SW1 CD SW2 2 R232 4 7K NC NC NC NC RDS DATA RDS QUAL VCC2 NC VSS 57 58 59 60 61 62 63 64 MUTE NC NC NC NC NC NC 65 66 67 68 69 70 71 72 R218 W9 22K TYPE 1 TYPE 2 TYPE3 RDS CLK NC NC AUD SDA AUD SCL NC PWIC STBY 73 74 75 76 77 78 79 80...

Page 21: ...NT P CON N C 14 4 13 3 C2 RL 5 1K R806 47K R811 TP2 TP4 TP3 TP5 TP1 TP21 TP7 TP8 TP11 TP6 TP12 22K R109 1K R1 T T T T T T T T T T T 0 1 C14 0 1 C9 2 2 C11 0 1 C4 680 R16 R17 2 7K TP372 TP371 R318 4 7K 2 2K R319 2 2K R317 470 1K R914 10 C941 10 C940 4 7 R949 4 7 R948 10K R950 10K R951 10K R952 0 R953 0 1 C933 10K R942 10K R938 0 1 C930 33K R937 0 015 C922 15K R927 330K R929 ND 0 1 C929 1 C928 DGND ...

Page 22: ...S YES YES YES YES YES YES YES 22K 47K 47K 47K 47K 47K 47K 47K 47K 47K 47K 22K 22K 22K YES 680K 680K 470K 470K 680K 680K 680K 680K 514 YES YES YES YES R525 YES YES 7P 39P YES 6P YES YES 680K 0 47uH YES 1 8uH YES 47K 47K YES YES YES YES YES 4P 27P 4P YES YES 470K 1uH 3 3uH YES 22K 47K YES YES YES YES YES YES YES YES 4P 27P 4P YES YES 470K 1uH 3 3uH YES 22K 47K YES YES YES YES YES YES YES YES YES 7P ...

Page 23: ... TP17 TP16 TP15 TP19 1 C11 220 R12 TP13 TP12 TP14 TP11 LED B PAN5V LED B PAN5V NC SW5V NC NC 51 48 49 50 47 46 43 44 45 42 41 38 40 39 37 36 33 35 34 R23 100K 1 2W FL B S34 1 2W R32 10 3 GND J1 ED1 1 2 J3 X34 CONTROL SENSOR VFD DRIVER REMOTE A IC3 SWITCH UNIT X16 674x xx A IC1 0V 5V 0V 5V 11 3V 0V 0V 11 3V 11 3V 0V 11 3V 0V 5V 0V 5V 0V 5 0V 5V 0V 0V 5V 0V 0V 3 0V 0V 5 0V RST 3G 1G 3G 2G a m r n b ...

Page 24: ...0 1780 05 YES B30 1780 05 YES B30 1780 05 B30 1780 05 YES B30 1780 05 YES B30 1780 05 YES B30 1779 05 B30 1779 05 B30 1779 05 B30 1779 05 YES B30 1779 05 B30 1779 05 B30 1779 05 B30 1779 05 YES B30 1779 05 B30 1779 05 B30 1779 05 B30 1779 05 YES B30 1779 05 B30 1779 05 B30 1779 05 B30 1779 05 76 92 E6 E3 E5 E1 E2 E4 E M4 C1 C2 M2 M1 M3 K M5 M6 K1 K2 J2 J J1 KDC MP145 CR RDT 151 KDC 3047G GY KDC 30...

Page 25: ...REF OUT VREF IN VIN4 VIN4 MUTE234 MUTE1 VCONT S GND 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VIN1 VIN1 VIN1 VCCS VCCP1 VO1 VO1 VO2 VO2 VO3 VO3 VO4 VO4 VLO VLO VCC2 REV FWD MUTE FWD REV B63 0 38 37 GND GND 0 0 FO FO TR B1 0 TR B72 0 B14 0 B73 0 B13 0 FE FE SP SP R84 8 2K R72 6 8K B79 0 0 B71 R86 8 2K B69 0 0 B68 0 B62 8 2K R85 8 2K R83 8 2K R81 15K R71 B78 0 0 B70 10K R69 B5 0 0 B76 8 2K R82 33...

Page 26: ... 3 2 1 B A Back side 802 Rest switch board 803 Mecha control board 801 Photo board W01 1737 08 W01 1743 08 W01 1738 08 Grease 11 1mm 0 1mm 11 1mm 0 1mm 53 55 54 52 51 56 58x2 59 49 50 70 47 41 42 45 23 43 31 30 43 29 27 9 10 61 4 48 48 63 63 64 63 48 15 11 13 12x2 17 18 19 20 14 16 48 8 21 14 61 71 62 32 3 2 6 7 5 44 45 43 46 28 43 60 34 34 35 36 39 36 33 37 38 1 67 57 66 ...

Page 27: ...34 F1 DME1 B C D F G H J K L N35 2610 48 N80 2006 48 N80 2008 43 N86 2606 48 N80 3008 48 N83 3005 48 N83 3014 48 N86 2606 48 N89 3010 48 D D F Dx2 C K 732 768 205 241 708 257 238 251 703 767 258 255 261 212 225 206 204 237 222 236 221 Jx2 Bx2 L L G H X34 772 F F F F F F 207 252 Depends on the models Refer to the parts list 266 264 RC1 DC1 201 262 223x2 211 243 FC1 X16 PA1 DC2 ...

Page 28: ...R DC1 1C E30 6798 05 DC CORD KK1K2 DC1 1C E30 6798 05 DC CORD M4M5C1 DC1 1C E30 6933 05 DC CORD C2 DC1 1C E30 6933 05 DC CORD M1M2M3 DC2 1C E30 6934 05 DC CORD M6 FC1 2D E39 1106 05 FLAT CABLE F1 2D F52 0023 05 FUSE MINI BLADE TYPE 10A 236 2C G01 4750 04 TORSION COIL SPRING 237 2C G01 4749 04 COMPRESSION SPRING 238 3C G01 3244 04 COMPRESSION SPRING H54 4704 03 ITEM CARTON CASE K H54 4705 03 ITEM C...

Page 29: ... 56 RK73FB2B751J CHIP R 750 J 1 8W M6K1K2 R54 56 RK73FB2B821J CHIP R 820 J 1 8W M3 R55 56 RK73FB2B751J CHIP R 750 J 1 8W K R57 RK73EB2E102J CHIP R 1 0K J 1 4W K1K2 R57 RK73EB2E102J CHIP R 1 0K J 1 4W M2M3M4 R57 RK73EB2E102J CHIP R 1 0K J 1 4W M5M6K R58 59 RK73FB2B751J CHIP R 750 J 1 8W M1C1C2 R59 RK73FB2B102J CHIP R 1 0K J 1 8W K R59 RK73FB2B751J CHIP R 750 J 1 8W M2M4M5 R59 RK73FB2B751J CHIP R 75...

Page 30: ...H471J CHIP C 470PF J K2 C528 CC73GCH1H471J CHIP C 470PF J M6KK1 C530 CK73GB1H102K CHIP C 1000PF K C531 CC73GCH1H070D CHIP C 7 0PF D K2 C531 CC73GCH1H070D CHIP C 7 0PF D M6KK1 C531 532 CC73GCH1H040C CHIP C 4 0PF C C2 C531 532 CC73GCH1H040C CHIP C 4 0PF C M1M2M3 C531 532 CC73GCH1H040C CHIP C 4 0PF C M4M5C1 C532 CC73GCH1H060D CHIP C 6 0PF D K2 C532 CC73GCH1H060D CHIP C 6 0PF D M6KK1 C533 CC73GCH1H020...

Page 31: ...J 1 10W R18 RK73GB2A473J CHIP R 47K J 1 10W R19 RK73GB2A104J CHIP R 100K J 1 10W R101 RD14BB2C472J RD 4 7K J 1 6W KK1K2 R101 102 RD14BB2C472J RD 4 7K J 1 6W C1C2 R101 102 RD14BB2C472J RD 4 7K J 1 6W M1M2M3 R101 102 RD14BB2C472J RD 4 7K J 1 6W M4M5M6 R106 RD14BB2C332J RD 3 3K J 1 6W R107 RD14BB2C333J RD 33K J 1 6W R108 RK73GB2A103J CHIP R 10K J 1 10W R109 RD14BB2C223J RD 22K J 1 6W R110 RK73FB2B683...

Page 32: ...331J CHIP R 330 J 1 10W R805 RK73GB2A473J CHIP R 47K J 1 10W R806 RK73GB2A512J CHIP R 5 1K J 1 10W R808 RK73GB2A100J CHIP R 10 J 1 10W R809 RK73GB2A102J CHIP R 1 0K J 1 10W R811 RK73GB2A473J CHIP R 47K J 1 10W R812 RK73GB2A432J CHIP R 4 3K J 1 10W R901 RK73GB2A102J CHIP R 1 0K J 1 10W R902 903 RK73GB2A000J CHIP R 0 0 J 1 10W R910 RK73GB2A104J CHIP R 100K J 1 10W R911 RK73GB2A4R7J CHIP R 4 7 J 1 10...

Page 33: ... ARM 3 2A G01 4763 08 EXTENSION SPRING 4 2A D12 0641 08 CAM 5 2A D12 0642 08 CAM 6 2B D13 3046 08 RACK GEAR 7 2B G01 4764 08 EXTENSION SPRING 8 2B D10 7117 08 LEVER 9 2A J19 7302 08 HOLDER 10 2A N09 6778 08 SPECIAL SCREW 11 3B T42 1365 08 DC MOTOR LOADING 12 3B N09 6786 08 SPECIAL SCREW 13 3B D13 3047 08 GEAR ASSY 14 3B N09 6778 08 SPECIAL SCREW 15 3B D13 3048 08 GEAR 16 3B D13 3049 08 GEAR 17 3B ...

Page 34: ...lack Red Orange Yellow Green Blue Violet ppm C 0 80 150 220 330 470 750 Tolerance More than 10pF Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More 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 ...

Page 35: ...d CD 2000mV 10kΩ Preout impedance 600Ω Auxiliary input Frequency response 3dB 20Hz 20kHz Input maximum voltage 1200mV Input impedance 10kΩ General Operating voltage 11 16V allowable 14 4V Maximum current consumption 10A Installation size W x H x D 182 x 53 x 155mm 7 3 16 x 2 1 16 x 6 1 8 inch Weight 2 9lbs 1 3kg KDC MP1046 MP146 MP2046 MP246AM MP246G MP246S MP3046 FM tuner section Frequency range ...

Page 36: ...ncy range 9kHz space 531kHz 1611kHz Usable sensitivity S N 20dB 36μV LW tuner section Frequency range 153kHz 279kHz Usable sensitivity S N 20dB 57μV CD player section Laser diode GaAlAs Digital filter D A 8 Times Over Sampling D A converter 24Bit Spindle speed 500 200rpm CLV Wow Flutter Below Measurable Limit Frequency response 1dB 20Hz 20kHz Total harmonic distortion 1kHz 0 01 Signal to noise rat...

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