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Kenwood KDC-3031A, Service Manual

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Kenwood KDC-3031A Service Manual Download Page 6

6

KDC-3031A/3031AY/3031G/3031GY

KDC-309A/309G/F331A/F331G

Pin No.

Active

Pin Name

I/O

Application

Processing Operation

(H/L)

70

X1

-

71

TEST

-

72

XT2

-

73

XT1

-

74

VDD0

-

75

AVDD

-

76~78

TYPE 3~TYPE 1

I

Destination switch

79

RDS NOISE

I

Tuner quality (Noise) input

80

TUN SMETER

I

Tuner S-meter input

MICROCOMPUTER’S TERMINAL DESCRIPTION

●

 TRUTH TABLE

 • TUN TYPE

TYPE 1

TYPE 2

General models commercially-designated as pure KENWOOD brand (Initial value)

L

L

Initial value setting

 • RDS AFSL (AF search)

High

Normal condition communication (IC10 side : High)

(Quality time constant long / Stereo Decoder PLL : Not hold)

Low

AF search (IC10 side : Middle)

(Quality time constant short / Stereo Decoder PLL : Hold)

 • POWER SUPPLY IC (IC3) CONTROL

SEL1 (Pin No. 11)

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 No. 12)

PS1-1

PS2-2

AUDIO

SW5

AM

L

L

OFF

OFF

OFF

H

L

ON

ON

OFF

H

H

ON

ON

ON

 • CD MECHA CONTROL OPERATION

CD LOEJ

CD MOTOR

CD MECHA OPERATION

L

H

Load

H

H

Eject

Hi-Z

L

Stop

Hi-Z

H

Brake

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

Summary of Contents for KDC-3031A

Page 1: ...A G Y33 2140 64 TDF 309 KDC F331A G Y33 2140 63 TDF WF431 PANEL ASSY KDC F331A G A64 3460 02 MOUNTING HARDWARE ASSY J21 9716 03 PLASTIC CABINET ASSY A02 2736 03 DC CORD E30 6413 05 LEVER D10 4589 04 x2 ESCUTCHEON B07 xxxx xx PTY MENU VOL AUD FF SET UP SCAN RDM REP VOL AUD FF SET UP MENU SCAN RDM REP PTY VOL AUD FF SET UP MENU SCAN RDM REP PTY This product uses Lead Free solder www xiaoyu163 com QQ...

Page 2: ... E Type FM J K Type AM J K Type AM E Type 1800mV 1372mV 600mV 855mV 3600mV 3600mV ELECTRIC UNIT X34 SWITCH UNIT X16 7 VREF L ch R ch A GND A8V D GND BU5V LOE LIM SW 12EJE SW LOS SW S7 5V LO EJ MOTOR S GND VREF VREF 2 2 4 DRV MUTE MUTE DOUT DATA 4 2 CLK MSTOP MRST MUTE L MUTE R 2 2 H L 12 5 2 4 3 20 21 13 15 1 14 9 7 6 8 18 12 11 10 22 19 E F A C B TR COIL FO COIL APC SERVO u COM IC2 Q1 16 934MHz C...

Page 3: ...Q501 AM RF AMP Adjusts for AM RF gain CD PLAYER UNIT X32 5750 00 Ref No Application Function Operation Condition Generation of RF signal based on the signals from the APC circuit and pickup and IC1 RF AMPLIFIER responding generation of servo error focusing error and tracking error signals to CD RW Detection of dropout anti shock track crossing and off tracking conditions included gain control func...

Page 4: ...Key reset TDF panel OFF L Display ON Key scan H 12 VFD CE O Chip enable output to VFD driver 13 ROTARY CCW I Rotary encoder input 14 L TDF DET I TDF panel detection TDF panel OFF H TDF panel ON L 15 PWIC BEEP O Beep output 16 18 NC 19 RDS AFSL O Tuner RDS mute output Refer to RDS AFSL on the TRUTH TABLE 20 L TUN ADJ I For adjusting IC10 Adjustment H PS1 1 2 L PS1 3 Hi Z PS2 1 2 Hi Z TUN DATA CLK H...

Page 5: ...hucking switch H Loading is finished L Disc does not exist 48 CD LOEJ I O CD motor control Refer to CD MECHA CONTROL OPERATION on the TRUTH TABLE 49 CD MOTOR O CD motor control Refer to CD MECHA CONTROL OPERATION on the TRUTH TABLE 50 NC 51 L CD MRST O CD mecha µ com reset H Normal condition L Reset 52 CD SCL I O CD mecha I2C clock output 53 CD DISC12 SW I 12cm CD detection 54 CD LOS SW I CD loadi...

Page 6: ...dition communication IC10 side High Quality time constant long Stereo Decoder PLL Not hold Low AF search IC10 side Middle Quality time constant short Stereo Decoder PLL Hold POWER SUPPLY IC IC3 CONTROL SEL1 Pin No 11 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 No 12 PS1 1 PS2 2 AUDIO SW5 AM L L OFF OFF OFF H L ON ON OFF H H ON ON ...

Page 7: ... and bias output for ARF 16 ARF I RF signal input 17 RFSW I DSL circuit time constant switch 18 PLLF I O Loup filter for PLL 19 PLLF2 I O Loup filter character switch for PLL 20 IREF I Reference current input 21 RFENV I RF envelope signal input 22 TRCRS I Tracking cross signal input 23 TE I Tracking error signal input 24 FE I Focusing error signal input 25 AVDD2 Power supply for analog circuit For...

Page 8: ... L RST I LSI reset input 64 OCD CLK 65 L MSTOP I Standby detection 66 DATA I O I2C bus data line Communication line to system µ com During serial writer is connected 67 SBIO I Data input During serial writer is connected 68 L CLK I O I2C bus clock line Communication line to system µ com During serial writer is connected 69 TX O Digital audio interface signal output 70 NC No connection 71 XSEL 72 M...

Page 9: ... 000 hours The display is cleared by pressing the key for more than 2 seconds PRESET When pressed for less than 1 second CD EJECT 5 key number display Display EJC x x x x x MAX 60 000 times The display is cleared by pressing the key for more than 2 seconds PRESET When pressed for less than 1 second Panel open 6 key close number display Display PNL x x x x x MAX 600 000 times The display is cleared...

Page 10: ...No Function Parts name 1st AM MIX 2nd AM MIX FM antenna IC10 E VOL TUNER YES YES YES IC11 E2PROM YES YES YES L507 VCO COIL YES YES YES L508 1st AM MIX IFT YES L509 2nd AM MIX IFT YES L518 FM ANTENNA COIL YES D504 VARIABLE YES YES YES CAPACITANCE DIODE D506 VARIABLE YES YES YES CAPACITANCE DIODE X501 CRYSTAL RESONATOR YES YES YES 1st AM MIX 2nd AM MIX ADJUSTMENT ADJUSTMENT POINT L508 1st AM MIX L50...

Page 11: ...1 R2 R11 R13 R14 R15 R16 R17 R18 R19 R21 R22 R31 R32 R33 R34 R62 R63 R71 R72 R74 R75 R77 R82 W1 W2 R23 R78 R61 R80 RTRY CW RST KS3 ESD GND CLK REMO TDF DET RTRY CCW DATAS ILL D GND 2 14 KS1 KI4 KI1 KI2 KI3 LED B DATAF CE KS4 PAN5V FL SW9 8V KS2 PAN SW5V FL B VFD RST KI5 1 80 61 60 41 40 21 20 1 15 EB EB EB C65 D96 D71 D72 D73 D74 D75 D76 D77 J1 Q1 Q2 Q21 IC1 X16 2932 7x Ref No Address IC1 4D Q21 5...

Page 12: ... R56 R82 R190 R191 R193 R194 R252 R254 R257 R367 R411 R413 R415 R417 R418 R440 L301 R456 R471 W70 C54 C55 C116 W58 W81 R51 R54 R55 R60 R75 R76 R77 R78 R83 R86 R87 R88 R89 R90 R96 R112 R113 C118 R178 R180 R181 R182 R200 R251 R255 R256 R271 R272 R273 R303 R351 R352 R353 R355 R356 R357 R358 R359 R360 R368 R369 R370 R371 R431 R432 R433 R435 R436 R437 R438 R439 R450 R451 R452 R457 R470 TH1 R131 W69 W25...

Page 13: ...164 W94 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R332 R435 R436 R501 R502 R503 R505 R507 R520 R521 R522 R543 R545 R546 R561 R566 C620 R567 R589 R590 R591 R592 R603 R594 R602 L600 W87 C602 W506 W804 W812 W814 C610 R599 W604 W611 W805 W605 W802 W832 W826 R331 W75 L 9 10 6 7 5 1 5 1 5 1 15 14 2 4 2 3 4 8 12 11 13 R W93 L601 C620 W823 W76 W79 W88 W85 W89 W86 W90 L602 R99 W808 W831 W810 W...

Page 14: ...62 C71 C72 C73 C74 C75 C76 CP1 CP2 R9 R10 R31 R36 R37 R39 R40 R41 R42 R46 R47 R49 R50 R53 R81 R82 R83 R84 R85 R86 R87 R88 X1 1 4 8 5 1 20 21 40 41 60 61 80 E B D3 Q6 S1 S2 S3 S4 IC2 IC4 CD PLAYER UNIT X32 5750 00 J76 0059 02 X32 5750 00 Ref No Address IC2 4S IC4 2S Q6 5R www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 37631...

Page 15: ...L FBAL RW SPL TRD TVD FOD PON 1 GND IOP RF F ARF E D ARF 16 PD BU 5V IOP TE SBIO RFENV TRCRS OFT BDO PWM FE B TE TBAL LDON A TE VDET LD K24 24 SPDL SPDL A GND Lch A 8V Rch S 7 5V S GND MOTOR LO EJ 8EJE GND SLED OUT LOAD SLED IN EJECT TRK IN TRK OUT FCS DOWN FCS UP D GND B C A VR VCC MUTEL MUTER 12EJE D OUT LOS LOE LIM 1 CLK DATA LDCNT MRST MSTOP NRFDET GCTL TRK DRVMUTE AA 1 15 16 30 1 16 32 17 Vre...

Page 16: ... C503 0 1 C505 4 7u16 C502 L502 33uH 1500P R501 6 8K 6 8uH R502 2 2K L518 C526 100P L521 10NH C604 C518 C520 1 C517 0 47 C606 C605 L506 100P R503 2 2K C507 22u10 C506 1K 0 68 C510 100P C509 68P R504 4 7 C508 22u10 1K C602 150P L600 TP506 L4 R505 L503 1000uH R594 10 R605 10 100uH TP507 1K R172 TP345 L602 R2 100 R1 100 C581 450 000kHz CF54 VCCIF1 IF1AMP1OUT IF1REF IF1AMP1IN GND IF1AGCIN FSTC AMAGC2T...

Page 17: ...2 TP361 6 4 TP365 TP364 TP363 TP367 TP366 0 47u50 470 470 R352 2 2K R351 2 2K R370 4 7K 0 47u50 R363 4 7K R358 2 2K R357 2 2K R356 1K R355 1K R353 1K SERVO 1 TP369 TP371 TP374 TP373 TP372 R360 2 2K R359 100 R470 TP432 R450 470 R451 470 R452 470 TP406 TP405 TP407 CD LOS SW 54 53 52 51 50 49 48 47 46 45 44 43 CD LOEJ CD MD LOE LIM SW CD MD MSTOP CD MD MUTE NC NC CD DISC12 SW CD MD MRST CD DISC8 SW C...

Page 18: ...0 CON REQ M GND B U Rch A GND 4 8 0 47 R310 100 C301 10 R311 100 DATA S RST DATA M CLK REQ S MUTE 11 10 2 3 6 7 1 5 13 9 TP308 TP310 TP309 TP312 TP311 W252 TP313 W251 C3 0 22u50 R252 47K 10K R273 470K R272 R271 100 C256 1u50 C255 R251 C258 1u50 C4 0 22u50 C6 0 22u50 C5 0 22u50 R255 12 11 OFFDET OUT1 OUT2 OUT2 OUT1 FR FL FL FR 6 4 2 10 8 9 5 3 1 7 TAB1 PWGND1 PWGND2 STBY VCC1 OUT4 OUT3 OUT4 SGND OU...

Page 19: ...ES YES YES YES YES YES YES YES YES YES YES YES 2 72 0 01 0 10 0 11 0 22 0 21 2 73 2 71 2 74 0 10 0 22 0 23 0 21 2 71 2 72 2 71 2 72 2 73 2 74 0 00 0 01 0 11 0 12 0 25 0 24 2 75 2 76 0 02 2 72 0 01 0 10 0 11 0 22 0 21 2 73 2 71 2 74 0 10 0 22 0 23 0 21 2 71 2 72 2 71 2 72 2 73 2 74 0 00 0 01 0 11 0 12 0 25 0 24 2 75 2 76 0 02 2 72 YES YES YES YES 33u YES X34 340x xx X34 341x xx X34 365x xx IC4 R72 ...

Page 20: ...S24 S25 S26 S17 S18 S19 S20 S21 KS4 S4 KS3 KS2 KS1 S2 S3 S8 S5 S6 S7 S9 S10 S11 S15 S12 S13 S14 S16 TP47 TP46 TP49 TP48 2 2 C21 IC3 100K R23 FL B FL B 470 R11 470 R13 220 R14 470 R15 470 R16 470 R17 470 R19 1K R18 2 2 C10 TP143 43 58 P24 TP150 TP149 TP148 TP146 TP145 TP144 TP147 W11 47 45 44 46 P21 P20 P22 50 48 49 P23 3GA TP157 TP153 TP152 TP151 TP154 52 51 53 P25 1GB P26 54 55 57 56 3GB P27 P29 ...

Page 21: ... 300 560 680 680 560 560 300 680 680 680 680 560 300 300 300 560 560 R62 300 300 R63 560 680 560 680 560 680 680 680 560 680 470 470 560 470 470 560 470 470 YES YES YES YES YES YES W1 MD RECEIVER E303MD J 0 02 YES YES 300 300 470 YES TP69 YES YES YES D61 65 B30 1729 05 B30 1533 05 B30 1567 05 B30 1533 05 B30 1567 05 B30 1533 05 B30 1567 05 B30 1567 05 B30 1567 05 B30 1533 05 B30 1567 05 B30 1729 0...

Page 22: ...C ASEL MSEL0 33 34 32 OUTL DVSS3 CSEL 30 29 AVDD2 AVSS1 OUTR AVDD1 27 25 26 TE FE 23 24 22 12 FBAL TVD SPL NC PWM TBAL 1 2 3 4 5 NRFDET OFT BDO LDON DSLB DVDD1 9 6 7 8 10 11 PLLF2 DVSS1 AVSS2 DSLF ARF RFSW PLLF 13 14 15 16 17 18 IREF RFENV 21 19 20 C101 1000P 1000P C102 C34 0 1 C33 0 1 C32 0 1 C48 6800P C50 4700P 4 L R 5 65 63 61 62 66 68 29 27 L R 27 29 A TE TRCRS FE RFENV 61 62 63 66 68 65 0 1 C...

Page 23: ...N RFOUT RFIN 5 3 4 C12 3300P C11 6800P PD LD 1 2 C7 0 1 3 3K R6 RF R5 3 3K C1 10 R14 100K C2 2 2 18 19 13 12 SPDL SPDL C45 0 1 C44 1000P C43 2200P R39 100K 820 R40 0 047 C42 BDO OFT NRFDET 9 7 8 4 7K CP4 1 8K CP3 16 TRK OUT TRK IN 14 15 FCS UP FCS DOWN 16 17 SLED IN EJECT LOAD SLED OUT 12 13 18 19 5 4 1 80 1 2 8 7 9 R7 3 6K 2P C5 ARF 1 C8 4700P C9 R13 240K C18 0 1 C17 0 1 R3 5 6K R2 5 6K 6 5 4 F E...

Page 24: ... 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 E F G H J K N09 4460 05 N09 4472 15 N09 6004 05 N09 6007 05 N09 6051 05 N19 2163 04 N39 2020 46 N09 6108 05 N09 6155 05 φ2x8 M1 7x8 0 M1 7x2 5 M2x2 φ2x5 BLK 1 6 WASHER M2x2 M2x3 5 φ2x6 X32 8 809 5 Cx2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 ...

Page 25: ...8 N80 2008 43 N83 3005 48 N86 2610 48 N80 3010 48 N83 3005 48 N83 3020 48 N86 2606 48 223x2 D Dx2 229 Hx2 F F J D D D G H X34 785 Ex2 772 732 701 A 705 204 237 222 236 221 224 Cx2 Cx2 771 206 B B PA1 261 259 257 213 210 241 255 708 254 253 238 252 251 226 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 T...

Page 26: ...29 04 PROTECTION BAG 280X450X0 03 E6E7 H25 0337 04 PROTECTION BAG 180X300X0 03 H25 1111 04 PROTECTION BAG 280X450X0 03 E1E2E3 H25 1111 04 PROTECTION BAG 280X450X0 03 E4E5E H54 3302 03 ITEM CARTON CASE KDC 3031A E4 H54 3303 03 ITEM CARTON CASE KDC 3031G E5 H54 3304 03 ITEM CARTON CASE KDC 309A E H54 3305 03 ITEM CARTON CASE KDC 309G E1 H54 3306 03 ITEM CARTON CASE KDC F331A E2 H54 3307 03 ITEM CART...

Page 27: ...12 CK73GB1H332K CHIP C 3300PF K C13 CC73GCH1H271J CHIP C 270PF J C14 CK73GB1H472K CHIP C 4700PF K 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 04...

Page 28: ...T1E101M ELECTRO 100UF 25WV C79 CD04AS1A220M ELECTRO 22UF 10WV C80 CD04AT1E101M ELECTRO 100UF 25WV C81 CK73GB1H103K CHIP C 0 010UF K C82 CK73GB1E223K CHIP C 0 022UF K C82 CK73GB1H223K CHIP C 0 022UF K C96 CD04AS1HR47M ELECTRO 0 47UF 50WV C97 CD04AS1C470M ELECTRO 47UF 16WV C112 113 CC73GCH1H100D CHIP C 10PF D C116 CC73GCH1H331J CHIP C 330PF J C117 CD04AS1H2R2M ELECTRO 2 2UF 50WV C118 CK73GB1H103K CH...

Page 29: ...0001 00 JUMPER WIRE W401 410 E31 0001 00 JUMPER WIRE W412 427 E31 0001 00 JUMPER WIRE W801 E31 0001 00 JUMPER WIRE W830 E31 0001 00 JUMPER WIRE CF51 53 L72 0805 05 CERAMIC FILTER 10 7MHZ CF54 L72 0804 05 CERAMIC FILTER 450KHZ L3 L33 1978 05 CHOKE COIL 22UH L4 L33 2260 05 CHOKE COIL 52UH L51 L33 1988 05 CHOKE COIL ASSY 140UH L61 L40 4795 91 SMALL FIXED INDUCTOR 4 7UH J L101 L40 4795 91 SMALL FIXED ...

Page 30: ...P R 470 J 1 10W R370 371 RK73GB2A472J CHIP R 4 7K J 1 10W R412 413 RK73GB2A223J CHIP R 22K J 1 10W R415 RK73GB2A223J CHIP R 22K J 1 10W E5E1E3 R415 RK73GB2A223J CHIP R 22K J 1 10W E7 R416 418 RK73GB2A223J CHIP R 22K J 1 10W E4EE2 R416 418 RK73GB2A223J CHIP R 22K J 1 10W E6 R417 418 RK73GB2A223J CHIP R 22K J 1 10W E5E1E3 R417 418 RK73GB2A223J CHIP R 22K J 1 10W E7 R431 RK73GB2A223J CHIP R 22K J 1 1...

Page 31: ...SR154 400 DIODE D73 AM01ZNF DIODE D73 10EDA20 DIODE D74 75 D1F60 5063 DIODE D74 75 1SR154 400 DIODE D76 DAN202U DIODE D76 KDS121 P DIODE D76 MC2848 DIODE D77 AM01ZNF DIODE D77 10EDA20 DIODE D81 UDZS4 7B ZENER DIODE D81 02DZ4 7F Y ZENER DIODE D162 MAZ4062 L ZENER DIODE D203 1SS133 DIODE D259 1SS133 DIODE D261 1SS355 DIODE D402 403 DAN202U DIODE D402 403 KDS121 P DIODE D402 403 MC2848 DIODE D501 RN7...

Page 32: ...G01 3076 04 EXTENSION SPRING 43 1B G01 3077 14 EXTENSION SPRING 44 2B G02 1399 04 FLAT SPRING 45 2B G02 1408 04 FLAT SPRING 51 1A J21 9676 32 MOUNTING HARDWARE 52 3B J21 9677 22 MOUNTING HARDWARE 53 1B J21 9678 13 MOUNTING HARDWARE 55 1A J90 1001 11 GUIDE 56 1B J90 1023 03 GUIDE DFPC1 3A J84 0141 05 FLEXIBLE PRINTED WIRING BOARD A 2B N09 4460 05 TAPTITE SCREW OVAL P TAPTIT B 1B N09 4472 15 MACHINE...

Page 33: ...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 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 2 3 4 5 6 7 1 Type Ch...

Page 34: ...ngapore 569110 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia 46300 Petaling Jaya Selangor Malaysia SPECIFICATIONS KENWOOD follows a policy of continuous advancements in development For this reason specifications may be changed without notice FM Frequency Range Frequency Step 87 5MHz 108 0MHz 5...

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