Kenwood KRC-19A Service Manual Download

Page: 2 / 19

KRC-19A/G,289

BLOCK DIAGRAM

IC1

KEY

PAN 5V

MUTE

B.U. DET.

B.U.

ACC

P-CONT.

MUTE

PRE

POWER IC

EQ. AMP.

CH ISO AMP

NC/MPX

E-VOL.

CD/MD
CHANGER

FRONT Lch

FRONT Rch

REAR Lch

REAR Rch

LCD DRIVER

LCD

MAIN

TAPE MECHA.

IC5

1 Lch

2 Rch

PRE OUT

IC2

IC4

IC3,Q153

SP OUT

REAR

RST

PAN IN SW

ANT-CONT.

P-CONT.

Q370,371

Q450,451

Q50

Q350-353

Q58-61

Q54-57

Q53

Q320

Q301

Q51,52

IC1

ED1

FM+B

Q200,201

AM+B

Q202,203

AM BPF

FM BPF

SW 5V

ILLUMI.

B.U.5V

SYSTEM u-COM

RST SW

ANT-CONT.

FM ANT

AM ANT

RF GND

FM+B

AM+B

OSC GND

PLL +B

IFC OUT

SDA

SCL

DIG GND

IF1+B

IF1 GND

S-METER

IF2 GND

FM+B

SW5V

ACC DET

B.U. DET

SCL

MUTE

SDA

P CON

ANEL

HOLD

CLK

ATA

FWD/REV

MOT

CH CON

ATA

REQ H

REQ C

CH CLK

MP IN

MPX

OUT RR

OUT LR

OUT RF

Rch

LEVEL

SCL

SDA

OUT LF

Rch

STBY

MUTE

Rch

B.U.5V

B.U.

CHRST

S MUTE

B.U.5V

AM+B

VDD 5V

ACK IN

L C

ANT CON

CHMUTE

BEEP

SVR

AMP. STBY

SVR

AC GND (BEEP)

Lch

Rch

Lch

1200mV

TAPE :1681mV
CD/MD-CH :3529mV

AM :546mV

FM :1781mV

RF GND

OSC GND

IF2 +B

AUDIO OUT

S-METER

PLL CLK

PLL DATA

HEAD

PLAY

55.6mV

BU5V

SW5V

B.U.5V

AM: 170mV

FM: 400mV

PACK IN

(FF/REW)

AMP. MUTE

FF/REW

BU5V

ILL

(X13)

KRC-19A/19G/289

KRC-289

F/E

MOTOR SW

Q260,261

ACC. DET.

www . x ia o y u 1 6 3 . c o m

QQ 3 7 6 3 1 5 1 5 0

T E L 1 3 9 4 2 2 9 6 5 1 3

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for KRC-19A

Page 1: ...W PR OG KRC 19 REP RDM SCAN M RDM DISC HIGH POWER 40Wx 40Wx 4 HIGH POWER 40Wx 40Wx 4 HIGH POWER 40Wx 40Wx 4 ANTENNA ADAPTOR T90 0523 05 or T90 0534 05 KRC 19A G DC CORD E30 4784 05 KRC 289 STAY J54 0606 04 KRC 289 SCREW SET N99 1610 15 KRC 289 PLASTIC CABINET ASSY A02 1486 13 LEVER x2 D10 3031 04 MOUNTING HARDWARE ASSY J21 9491 13 KRC 289 KRC 19G KRC 19A SCREW SET N99 1632 05 KRC 289 DC CORD E30 4...

Page 2: ... PANEL HOLD L CLK L DATA S L DATA L FWD REV MOTOR CH CON DATA H DATA C REQ H REQ C CH CLK Rch COM Lch TAPE MP IN AM MPX OUT RR OUT LR OUT RF Rch LEVEL SCL SDA OUT LF Rch STBY MUTE Rch Lch T MUTE FWD REV B U 5V B U 8V B U CHRST S MUTE 8 4 10 B U 5V AM B VDD 5V PACK IN L CE ANT CON CHMUTE BEEP SVR AMP STBY SVR AC GND BEEP Lch Lch Rch Lch 1200mV TAPE 1681mV CD MD CH 3529mV AM 546mV FM 1781mV 8V RF GN...

Page 3: ...OM s mute works a base becomes Hi and Q150 is turned on Q151 DTC114YK or UN2214 SVR DISCHARGE SW When POWER IC RESET is activated a base becomes Hi Q151 is turned on When BACK UP detection SW or CHANGER Q153 DTA124EK or UN2112 PRE OUT MUTE DRIVER RESET SW or MI COM s mute works a base becomes Lo and Q153 is turned on Q200 DTC124EK or UN2212 FM B SW Q201 is turned on when Q200 s base becomes Hi Q20...

Page 4: ... Lo Standby Hi ON 35 REQ H O Request output to changers Lo Request When the momentary power down after 36 SVR O Power IC reset terminal ACC ON OFF is detected and after POWER OFF the output becomes Hi temporarily 37 AMP STBY O Power IC standby control output Hi POWER ON mode 38 AMP MUTE O Power IC mute control Lo Mute 39 P CON O Power control Hi POWER ON mode 40 ANT CON O Antenna control Hi during...

Page 5: ... O N C Not used 79 GND TEST terminal 1 Connected to GND lines 80 XOUT O Main clock resonator connection terminal 1 How to enter the test mode Reset the unit while holding the FM key and preset 6 key All indication segments go ON at the beginning of the test mode 2 How to release the test mode Simply reset the unit NOTE The test mode is not canceled by ACC OFF power OFF momentary power down or the ...

Page 6: ...stellt wird ist diese Einstellung zu wiederholen Verwendetes Band SCC 1659 hergestellt von A BEX Head Angle Adjustment Head height alignment procedure During FWD transport adjust screws F and F so that line A of 2 LINE TAPE passes trough the center of the head shield plate core center area During RVS transport adjust screws R and R so that line B of 2 LINE TAPE passes trough the center of the head...

Page 7: ...60 IC3 IC2 IC1 REMO GND W100 W28 W75 W85 W22 W33 W73 W67 W72 W65 W13 W96 W35 W36 W68 W64 W15 W8 W31 W71 W69 W27 W79 W76 W34 W39 W43 W46 W51 W98 W99 W23 L3 R50 R65 R351 R353 R66 W48 W10 X1 C50 C17 C18 C160 C152 C55 W40 W20 C15 C16 C161 C350 C352 C162 C450 C451 C150 C159 C56 C58 C53 C57 W58 W94 W95 W101 W54 W41 W53 W29 W12 W16 W18 W7 R261 L5 W200 R260 L4 C402 C400 C401 W5 W14 W17 W11 C4 C3 C9 C250 C...

Page 8: ... Q53 Q54 Q57 W58 W2 W5 W3 R261 1 6 R260 B E W27 E W31 L9 L8 GND REMO 2 1 W1 24 C206 W49 W47 W44 W14 R116 W9 W10 W26 W17 W15 W30 W24 W25 W37 W38 W45 W42 W48 W40 W52 W55 W22 W11 L3 W8 R202 W105 B C150 C152 W32 W35 W23 W36 1 L5 W200 L4 C401 C402 W21 C450 B E W13 W20 W18 W16 W7 C451 C18 C15 C17 W50 C16 W34 W46 W43 W39 W51 C400 W19 L R W12 W33 W28 C160 C159 2 1 4 5M W56 W65 2 12 11 1 W70 W78 C320 W82 W...

Page 9: ... R103 R138 22K 47K R137 1K R115 P1 47u6 3 C320 47 R323 1 2W 1 2W 1 2W T MUTE GND MOT GND MOT B GND PACK IN Lch 1 2 FWD REV Rch Ref 99 6 3 4 5 Q261 1K 1 2W Q350 Q351 352 Q51 52 Q151 Q153 IC3 Q320 10K Q54 55 IC2 Q150 J4 A1 REAR PREOUT Q450 J5 Q451 J2 D400 D401 D408 D405 D411 D409 D404 D50 WH1 D261 D260 Q260 D52 D51 Q50 B U DET D370 DRIVER ANT CON Q350 P CON Q351 D352 Q353 Q352 Q151 D151 D152 D150 Q1...

Page 10: ...D1 13 Q1 DTA114EK or UN2111 IC1 LC75853NE J3 X14 1 2 GND LINE AUTO VOL T UP 4 3 T DOWN SRC ED1 COMMON RST D1 D4 D6 D5 D8 D7 D9 D11 D12 D13 D14 D15 D10 D2 D3 D17 D14 ED1 KEY MATRIX PERMISSION SW LCD DRIVER WITH KEY MATRIX D15 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 S16 S15 S14 S13 S12 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28 S27 S26 S25 S24 S23 S22 S21 S20 S19 S...

Page 11: ...9 35 112 113 7 6 26 25 HD1 56 100 106x2 37 36 38 M1 20 5 1 23 22 105x2 113 112 16 18 17 19 102 104 D40 1136 05 MECHA 1 2 3 A B 16 KRC 19A G 289 EXPLODED VIEW MECHANISM 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 TEL 13942296513 QQ 376315150 892498299 ...

Page 12: ...arts list G G Refer to the following page CME1 A 1 F1 244 216 DC1 242 207 201 263 262 726 767 261 243 221x2 X14 J 1 X14 X14 J 5 X14 J 4 X14 J 3 X14 776 X14 778 X14 779 X14 777 X14 J 2 X14 L 1 729 703 Cx2 X14 IC4 Fx2 X14 Q60 X14 Q56 DC2 1 2 3 C D 17 KRC 19A G 289 EXPLODED VIEW UNIT 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 1394229651...

Page 13: ... 705 766 X13 X13 X13 272 X13 273 X13 274 X13 ED1 X13 271 775 208 206 235 256 259 PA1 241 227 252 253 251 257 258 255 232 232 232 254 231 1 2 3 E F KRC 19A G 289 18 EXPLODED VIEW UNIT 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 TEL 13942296513 QQ 376315150 892498299 ...

Page 14: ...0 047UF K C5 CK73GB1H102K CHIP C 1000PF K 231 1F G01 2525 04 TORSION COIL SPRING C6 CK73GB1H103K CHIP C 0 010UF K M 232 3F G01 2793 14 COMPRESSION SPRING 233 1F G01 2987 04 TORSION COIL SPRING 274 2E E29 1600 04 CONDUCTIVE RUBBER 234 1F G01 2988 04 EXTENSION SPRING J1 E59 0831 05 RECTANGULAR PLUG 12P 235 2F G01 2990 04 COMPRESSION SPRING R1 RK73EB2B331J CHIP R 330 J 1 8W H10 4685 12 POLYSTYRENE FO...

Page 15: ...73GB1H103K CHIP C 0 010UF K R110 RK73GB1J473J CHIP R 47K J 1 16W C206 CE04DW1A470M ELECTRO 47UF 10WV R114 RK73EB2B223J CHIP R 22K J 1 8W C250 CE04CW1A101M ELECTRO 100UF 10WV R115 RK73GB1J102J CHIP R 1 0K J 1 16W C251 CK73GB1E473K CHIP C 0 047UF K R116 RD14BB2C472J RD 4 7K J 1 6W C320 CE04CW0J470M ELECTRO 47UF 6 3WV R118 119 RK73GB1J222J CHIP R 2 2K J 1 16W C321 CK73GB1H103K CHIP C 0 010UF K R120 R...

Page 16: ...AMP X2 R405 RK73EB2B104J CHIP R 100K J 1 8W M Q50 2SC2412K TRANSISTOR R406 407 RK73EB2B472J CHIP R 4 7K J 1 8W M Q50 2SD601A TRANSISTOR R408 RK73EB2B102J CHIP R 1 0K J 1 8W M Q51 2SB1443 TRANSISTOR R409 410 RK73EB2B472J CHIP R 4 7K J 1 8W M Q52 2SC2412K TRANSISTOR R411 412 RK73EB2B101J CHIP R 100 J 1 8W M Q52 2SD601A TRANSISTOR R413 RK73GB1J104J CHIP R 100K J 1 16W M Q53 DTA114YK DIGITAL TRANSISTO...

Page 17: ...ER Q353 UN2214 DIGITAL TRANSISTOR 115 2B N19 2038 08 FLAT WASHER Q370 2SB1277 Q R TRANSISTOR HD1 1B T31 0229 08 PLAYBACK HEAD Q371 DTC114YK DIGITAL TRANSISTOR Q371 UN2214 DIGITAL TRANSISTOR M1 1A T42 1025 08 MOTOR ASSY Q450 451 DTC143TK DIGITAL TRANSISTOR M Q450 451 UN2216 DIGITAL TRANSISTOR M TH1 PTH9C42BD471Q POSITIVE RESISTOR A1 2D X86 3320 11 TUNER UNIT 1 2A A10 4328 08 CHASISS CALKING ASSY 4 ...

Page 18: ...G 289 23 PARTS DESCRIPTIONS 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 TEL 13942296513 QQ 376315150 892498299 ...

Page 19: ...echburi Road Bangkapi Huaykwang Bangkok 10320 Thailand KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 Level 4 Wisma Academy Lot 4A Jalan 19 1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia KRC 19A G E KRC 289 K TDF TDF Tuner Type CR2 CR2 Frequency Range 87 5MHz 108 0MHz 87 5MHz 108 0MHz Frequency Step 50kHz ...

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