JVC KD-SX841R Guía del administrador

SCHEMATIC DIAGRAMS

CD RECEIVER

No.49790SCH

2003/02

KD-SX841R

Area Suffix

E ----------- Continental Europe

EX --------------- Central Europe

Contents

Block diagram

Standard schematic diagrams

Printed circuit boards

2-1

2-2

2-5~7

CD-ROM No.SML200302

KD-SX841R

2-4

!Burrs formed during molding may be left over on some parts of the chassis. Therefore,

pay attention to such burrs in the case of preforming repair of this system.

Safety precaution

!Please use enough caution not to see the beam directly or touch it in case of an

adjustment or operation check.

KD-SX841R

2-1

AB CD E F G

1

2

3

4

5

POSITION SET

SWITCH

LOAD&FEED

MOTOR

SPINDLE

MOTOR

SW1, SW2

PICK UP

PSW

SW1, SW2

CN501

IC561

CD

DRIVER

IC521

DSP

&

DAC

IC501

RF AMP

IC571

L.P.F.

VF1,VF2,

VT1,VT2,

MD,LD

FMO, DMO

FOO, TRO BUS0 ~ BUS3

BUCK, CCE

CDON

RST

RFGC

RFRP

TE, FE

RF

SEL

TEB

RFDC

OUT L

OUT R

CD.L

CD.R

CD-RW

CJ601

IC602

REMOCON

S601~S618

KEY MATRIX

KEY0

KEY1

KEY2

REMOCON

IC601

LCD

DRIVER

LCD1

CN701

TU1

FM/AM

TUNER

IC701

MICOM

IC161

E.VOL

IC301

POWER

AMP

IC901

REGULATOR

SPK

BATTERY

EACH BLOCK

TU.LCH

TU.RCH

OUT FL

OUT FR

OUT RL

OUT RR

RLO

RRO

CD.L

CD.R

RESET

EPROMCK, EPROMDO

EPROMDI

SI

SI, SO

I/O

INT

SCK

CH.L, CH.R

J301

LINE OUT

FL+, FL-

FR+, FR-

RL+, RL-

RR+, RR-

COM1

COM2

COM3

S1 ~ S50

LCD.CL

LCD.DA

LCD.CE

VOLDA

VOLCL

RDSSCK

RDSDA

DET OUT

SM

AFCK

FM/AM

SEEK/STP

MONO

SD/ST

FM VT, AM VT

FM/AM OSC

SEEK/STP

PLLDI, PLLCL

PLLDA, PLLCE

J1

ANT

SW1,SW2,PSW

LM,MSW

IC702

RESET

IC703

EEPROM

IC801

JVC BUS

IC801

CHANGER

CONTROL

FEED+

FEED-

SPINDLE+

SPINDLE-

VF1,VF2,

VT1,VT2,

LD,MD,

TRACKING+

TRACKING-

FOCUS+

FOCUS-

SPINDLE+

SPINDLE-

FEED+

FEED-

TRACKING+

TRACKING-

FOCUS+

FOCUS-

Block diagram

CN901

IC71

RDS

DETECTOR

IC31

PLL

KD-SX841R

2-2

KD-SX841R

HAB C DE FG

1

2

3

4

5

Standard schematic diagrams

Main amplifier section

To

CD servo

control section

To

LCD & Key control

section CJ601

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

Rear signal

Tuner signal

Front signal

CD signal CD-changer signal

TU1

C784

IC161

C304

R724

IC801

C39

IC71

R751

Q341

L901

R723

R728

J1 L1

C3

CN701 IC901

R808

C40

R8

R727

R726

C10

IC701

C53

R720

R719

R718

Q4

C54

IC31

C31

Q2

C186

Q73

C1

C82

C7

C305

Q71

Q5

R739

R740

C185

R91

R81

IC301

D901

Q72

C243

C76

C73

C75

C72

C71

C77

C50

R5

C182

C184

Q1

Q321

NOT USE

C177

C167

C178

C183

IC702

IC703

C36

C181

C35

R163

R191

R162

R782

C46

C94

J301

R717

R742

C47

R741

VSS

R737

C907

R77

VDD

R810

R802

R801 R804

R803

R805

R806

R807 R809

R248

VPP

C715

X1

C713

R722

RESET

C701

TD

R721

Q783

R52

RD

R34

R51

C32

D904

R31

R37

R36

C168

R245

R246

C242

Q351

R244

C84

X701

C244

Q241

X702

R53

R56

R35

R55

R54

C714

C771

R745

R752

Q891

C710

D902

C903

C783

C2

R748

R747

Q7

C905

C712

C891

R892R891

Q901

R906

Q902

C906

R746

R744

R904

R743

Q781

C904

R716

Q3

R58

Q52

D903

C92

R715

D782

R714

R43

R732

C38

R44

Q31

R749

R703

R701

R702

R704

R773

R725

C310 C311

C301

C709

R713

Q53

R11

Q331

C194

C711

C352

R902

R903

Q782

D241

C191

C74

R168

R167

R177

R178

C51

Q6

C901

C781

C332

R706

C342

C33

C37

R32

R901

C34

C322

CN901

C716

C79

R781

C78

R247

C801

C902

J801

C163

C165

C166

C173

R10

R165

R175

C306

R166R176

C910

D2

C9

R7

R6

R9

D783

D321

R322

C43

C52

C55

R42

R710

D4

C915

C5

C302

C303

R301

C4

C93

C83

R82

R92

R75

R76

X71

R71

R73

R72

R38

R4

C193

C164

C192

C174

C48

X31

D161

R173

R164

R174

C241

R172

R771

R711

D71

R2

C318

R1

R39

C8

C319

R708

R738

C908

C81

C91

R735

R59

R736

R734

C41

LM

R733

MSW

R730

R729

Q51

R712

R161

R171

R242

R241

D242

C706

C705

C704

R57

C703

C317

R772

D709

C316

C313

C312

C315

C914

C314

D891

R907

C912

Q74

L701

C913

R194

R184

D702

D703

D704

R905

D705

C6

R33

D707

D781

R3

L702

D706

D892

C911

C909

D708 D1

R731

R40

R41

C42

R709

C707

R707

C309

C308

C708

R321

R331

R323

R333

D701

R332

C45

C333

C44

D341

R74

D3

D171

C782

R750

C331

C351

C341

C321

C702

R341

R351

R353

R343

D243

R753

R342

R352

R243

C344

C162

C172

C175

C176

QAU0292-001

4.7/25

TEA6320T-X

100/16

4.7K

HD74HC126FP-X

1000P

SAA6579T-X

4.7K

2SD1781K/QR/-X

QQR1362-001

4.7K

2.2K

QNB0100-002

4.7

VMC0334-001 HA13164A

100K

10/16

47K

2.2K

1/50

UPD784215AGC198

0.1

10K

2SB709A/R/-X

0.01

TB2118F-X

100/10

2SD601A/R/-X

1/50

2SD601A/R/-X

5P

0.001

10P

22/16

UN2111-X

2SB624/4/-X

47K

1/50

10K

LA4743K

1N5401-F64

UN2111-X

22/16

0.022

0.01

560P

47P

82P

2.2/50

100P

47k

1/50

UN2211-X

2SD1781K/QR/-X

4.7/50

1/50

IC-PST600M/G/-W

BR24L16F-W-X

7P

1/50

10P

2.2K

10

22K

1K

0.01

1/50

QNN0519-001

10K

47K

0.01

47K

1K

2.2/50

10

100

100K

10K

100K

100

22K

100K 100K

220

0.1

0.047

10K

120P

10K

UN2111-X

15K

2.2K

470

47P

1SS355-X

10

2.2K

4.7/50

180K

22K

0.047

2SD1781K/QR/-X

12K

1/50

2SD601A/R/-X

10K

47K

2.2K

10K

0.1

0.047

10K

0

UN2211-X

0.047

RB160M-30-X

47/16

0.082

0.047

0

UN2211-X

220/10

100/10

0.1

1K

47K

2SA1037AK/RS/-X 8.2K

20K

UN2211-X

10/16

0

9.1K

0

UN2111-X

220/10

4.7K

UN2111-X

47K

2SD601A/R/-X

RB160M-30-X

0.001

4.7K

1SS355-X

4.7K

470

47K

1000P

220

UN2211-X

47K

10K

0

0.1 0.1

10/16

47/6.3

2.2K

UN2211-X

10K

2SD1781K/QR/-X

0.01

0.33

2.2K

UN2211-X

RB160M-30-X

47/16

47/6.3

27K

0.47/50

UN2211-X

2200/16

220/10

0.33

10M

0.33

47/6.3

10P

6.2K

1K

0.047

0.33

QNZ0112-001

0.022

0.1

47K

0.1

47K

0.01

0.1

QNZ0095-001

0.18

0.033

0.0056

0.18

8.2

47K

0.022

47K47K

100/16

1SS355-X

0.47/50

220/10

4.7K

47K

3.3K

UDZS11B-X

1SS355-X

100

0.047

4700p

330P

10

10K

1SS355-X

47/16

0.01

0.022

47/16

1K

220/10

0.0015

18K

4.7K

QAX0263-001Z

2.2K

100

4.7K

100/16

0.22

100/10

0.22

0.047

QAX0616-001Z

1SS355-X

2.2K

270

0.22

22K

270

10K

1SS355-X

10k

100P

0

0.001

100P

47K

1.2K

0.1

0.012

10K

22k

47K

10K

0.047

0

10K

2SD601A/R/-X

47K

220K

1K

47K

QAX0617-001Z

1SS355-X

QAX0401-001

22P

27P

47K

8P

100P

270

UDZS6.2B-X

100P

0.01

100P

1SS355-X

0.01

2SD601A/R/-X

4.7

22/16

47K

UDZS6.2B-X

4.7K

UDZS6.2B-X

10/16

10K

UDZS6.2B-X

1SS355-X

0

4.7

UDZS6.2B-X

1SS355-X

220/10

0.1

UDZS6.2B-X 1SS355-X

10K

39k

10k

0.01

47K

0.047

47K

0.1

0.01

820

2.2K

1SS355-X

100

0.0027

0.047

0.01

1SS355-X

0

1SS355-X

22/16

820

390P

0.047

820

2.2K

UDZS5.1B-X

0

100

47

0.047

0.0082

0.033

0.0056

SM

BUS1

CH.R

KEY1

CH.L

CDON

MUTE

PS2

CD8V

9V

SW5V

RST

CCE

BUCK

BUS3

BUS2

BUS0

MSW

LM

CDON

PSW

SW2

SW1

DETACH

KEY2

KEY0

PLLDI

ACC5V

TELMUTE

REMOCON

LCDDA

LCDCE

ENC1ENC1

ENC2

CD-RW

LCDCL

A-GND

CD.L

ACC5V

ILL10V

BUS0

RST

BUS1

SM

SI

SO

FL-

SCK

I/O

LCDDA

CD.R

A-GNDA-GND

LCDCL

LCDCE

SQ

LEVEL

ILL10V

9V

BUS3

BUS2

CCE

CD-RW

ENC2

CTRL

SW5V

BUCK

PLLCL

PLLDA

PLLCE

VOLCL

RL-

CD8V

RL+

VOLDA

FL+

FR+

FR-

RR+

RR-

KEY2

KEY1

KEY0

AFCK

9V

RDSDA

OSC

DETACH

CTRL

SEEK/STP

SW5V

POWER

RDSSCK

SD/ST

RL-

9V

MUTE

VOLCL

SI

VOLDA

MONO

RL+

FL-

FL+

FR-

CD.L

FR+

FM/AM

RR-

RR+

POWER

I/O

SCK

PS2

SO

TELMUTE

ENC1

MSW

MONO

AFCK

SEEK/STP

FM/AM

PLLCE

PLLDA

PLLCL

SD/ST

SW2

PSW

SW1

LEVEL

9V

INT

REMOCON

LM

INT

CH.L

CH.R

CD.R

SQ

A-GNDA-GND

PLLDI

RDSCL

RDSDA

KD-SX841R

2-3

AB CD E F G

1

2

3

4

5

CD signal

CD servo control section

To Main amplifier section

R539

Q522

TP1

R584

C561

Q561

C547

R565

IC521

Q521

R508

R507

C503

C514

R509

Q501

C502

C504

C505

R512 R511

R513

R514

C512

C508

C513

C501

R524

R523

R521

R522

R525

C524

C525

C526

C527

C528

R526

C533

C534

R566

C530

R529

R530

C537

C538

C529

C548

R538

D561

R516

C549

R515

C563

C555

C507

R595

R591

R517

TP2

R506

R503

R505

R504

R519

C509

R594

R563

C594

C584

R562

R581

C599

C554

X521

R567

C592

R564

C553

R585

R756

R755

C582

R572

R533

R561

R583

R592

R582

R593 C593

C583

C562

R573

R571

C567

C566

C565

C564

L523

L521

L522

C545

C551

C550

R586R587

R597 R596

C597

R510

C510

C511

C523

C531

R527

R528

C535

R531

R532

C536

C522

C540

R537

R536

R535

R534

C552

C521

IC501

C544

C539

C541

C546

R574

CN501

IC561

C595

C591C581

C598

C585

R568

R569

C596

IC571

R598

L524

1.5M

UN2211-X

150

47/6.3

2SB1322/RS/-T

0.1

20K

TC94A14FA

UN2111-X

22

100/6.3

5P

82K

2SB1241/QR/-T

0.01

100/6.3

2K 10K

1K

15K

82P

0.01

15K

470K

5.6K

47K

10K

0.015

0.01

0.0027

0.01

0.033

0

470P

8.2K

0.033

0

0.047

100/6.3

10K

1A3G-T1

820

0.01

100

100/10

100/6.3

0.0068

0

18K

0

330K

82K

330K

82K

150

100/6.3

150

4.7K

8.2K

18K

120P

10P

6.8K

4.7/25

15K

10P

0

22

4.7/25

1.5K

1M

33K

12K

33K

12K

120P

0.01

1.5K

0.047

0.0470.047

0.047

4.7

100/6.3

100/10

1/50

22K22K

22K 22K

0.001

56K

0.1

47P

0.047

100

0.047

100

0.047

100/6.3

0.01

4.7K

0.01

TA2157FN-X

0.01

100/6.3

0.01

100P

10K

QGB2027M4-22S

LA6579H-X

820P

47/6.3

820P

QAX0413-001Z

820P

0.001

47/6.3

3K

9.1K

100/16

NJM4565M-WE

0

4.7

SW5V

FMO

FOO

CD8V

DMO

GND

LM

CDON

CD-RW

SW5V

BUS0

BUS1

BUS2

BUS3

BUCK

CCE

9V

RST

FEED-

VF2

VR

CD.R

CD.L

PSW

SW1

SW2

LM

MSW

GND

BUCK

FEED+

VCC

GND

TRO

VT2

SW1

VT1

SW2

VF1

PSW

VR

SPINDLE-

LD

SPINDLE+

FOCUS-

VREF

FOCUS+

MD

TRACKING+

TRACKING-

A-GND

MD

VREF

LD

VF1

VT2

VCC

VF2

VT1

CD.L

CD.R

CDON

CCE

RF

VREF

FEED-

SEL

TEB

TE

RFRP

FEED+

RFDC

FE

9V

RFGC

SW1

SW2

PSW

SPINDLE-

SPINDLE+

FOCUS-

FOCUS+

RST

BUS3

CD-RW

BUS2

BUS1

BUS0

TRACKING+

TRACKING-

VCC

VF1

VF2

VT2

VT1

TRACKING+

FOCUS-

FOCUS+

SPINDLE+

SPINDLE-

FEED+

MSW

TRACKING-

FEED-

LD

MD

SEL

TEB

RFDC

RFGC

FE

RF

RFRP

FOO

TRO

FMO

DMO

TE

KD-SX841R

2-4

KD-SX841R

HAB C DE FG

1

2

3

4

5

LCD & Key control section

To

Main amplifier

section CN701

R658

R653

D642

C612

IC602

R671

CJ601

IC601

C603

R675

S601

C601

R654

R655

R656

S603

S608

S613

S602

S604

S605S606

S609

S610

S611S612

LCD1

S614S615S616S617S618

R614 R613

R615

R616

R606R607R610 R609 R608

R601

R602

R603

R604

R605

R651

S607

R612

D641

R672

JS690

R673

C614 C613

R662

R648

Q642

R649

R663

D607

D620

D603

D604

D605

D617

D621

D616

D622

R632

R634

R670

R646

D615

D601

D612

D613

D611

D602

D610 D609

D608

R643

R642

D606

D619 D618

R641

R635

R633

R636

R638

R640

R637

R639

R647

C611

R657

C602

R644

R645

R631

D644

D645

R674

D731

R659

Q641

D732

R660

D614

180k

10K

1SS355-X

4.7/6.3

RPM6938-SV4

470

VMC0335-001

LC75823W

10/6.3

0

0.022

10K

QLD0254-001

1.2K 8201.8K2.7K

820

2.7K 1.8K 1.2K

820

3.9K

820

1.2K

1.8K

1K

820

UDZS5.1B-X

47K

QSW0863-002

47K

0.015 0.015

0

47K

UN2211-X

1K

0

SML-310LT/MN/-X

1.2K

1K

10K

1K

680

1K

1.2K

820

390

680

820

390

1K

0.012

51K

680P

1K

820

UDZS5.1B-X

UDZS6.2B-X

0

NSPW310BS/B2RS/

430

2SB624/4/-X

NSPW310BS/B2RS/ 430

KEY0

KEY1

S32

KEY2

S17

S31

REMOCON

ACC5V

S30

S29

S28

ILL10V

S27

S26

S25

S24

S23

S22

S21

S20

S19

S18

DETACH

LCD.DA

LCD.CL

LCD.CE

LCDCE

LCDCL

LCDDA

KEY0

DIMMER

KEY1

KEY2

COM3

S1

S2

S3

S4

S33

COM2

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S5

S6

S7

S8

S9

S10

S11

S18

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

S36

S37

S38

S39

S40

S41

S42

S43

S44

S45

S46

S47

S48

S49

DIMMER

S12

S13

S14

COM1

COM3

S15

S16

COM2

S50

COM1

S49

S50

S34

S35

S36

S37

S38

S39

S40

S41

S42

S43

S44

S45

S46

S47

S48

KD-SX841R

2-5

AB C

1

2

3

4

5

Printed circuit boards

Main board

Forward side

C3

C4

C6

C9

C10

C31

C32

C33

C34

C40

C43

C48C50

C51

C54

C74

C77

C78

C84

C94

C165

C167

C168

C175

C177 C178

C181

C182

C183

C184

C185

C186

C191

C192

C193

C243

C244

C301

C303

C304

C305

C312 C314

C315

C316

C318

C319

C322

C332

C342

C352

C503

C505

C509

C510 C514

C522

C529

C530

C531

C535

C536

C539

C541

C545

C547

C548

C550

C551

C555

C561

C563

C581

C582

C584

C585

C591

C592

C593

C594

C595

C596

C709

C710

C712

C781

C782

C784

C901

C903

C904

C905

C906

C907

C910

C911

C913

C915

CN501

CN701

CN901

D71

D161

D171

D321

D341

D561

D901

IC31

IC71

IC161

IC301

IC501

IC521

IC561

IC571

IC701

IC702

IC801

IC901

J1

J301

J801

L1

L521

L522

L523

L524

L701

L901

Q53

Q71

Q72

Q73

Q74

Q321Q331 Q341

Q351

Q501

Q561

R11

R32

R33

R42

R43

R56

R58

R74

R75

R76

R77

R161

R171

R301

R321

R323

R331

R333

R341

R343

R351

R353

R510

R514

R519

R526

R529

R530

R581

R584

R586

R587

R591

R594

R596

R597

R729

R730

R731

R733

R734

R737

R738

R804

R901

TU1

X31

X71

X521

X701

X702

B6

B4

B1

IC703

C771

R771

R772

R773

B5

B3

B2

B7

B901

B902

L702

C79

B801

B802

KD-SX841R

2-6

AB CD

1

2

3

4

5

Main board

Reverse side

C1

C2

C3

C4

C5

C6

C7

C8

C9

C10

C31

C33

C35

C36

C37

C38

C39

C40

C41

C42

C43

C44

C45

C46

C47

C51

C52

C53

C55

C71

C72

C73

C74 C75

C76

C77

C81

C82

C83

C84

C91

C92

C93

C94

C162

C163

C164

C166

C167

C168

C172

C173

C174

C176

C177

C178

C181

C182

C183

C184

C185

C186

C191 C192

C193 C194

C241

C242

C243

C244

C301

C302

C303

C304

C305

C306

C308

C309

C310

C311

C313

C317

C321

C322

C331

C332

C333

C341 C342

C344

C351

C352

C501

C502

C503

C504

C505

C507

C508

C509

C511

C512

C513

C521

C522

C523

C524

C525

C526

C527

C528

C529

C533

C534

C537

C538

C539

C540

C544

C545

C546

C548

C549

C550

C551

C552

C553

C554

C555

C561

C562

C563

C564

C565

C566

C567

C582

C583

C585

C592

C595

C596

C597

C701

C702

C703

C704

C705

C706

C707

C708

C709

C711

C712

C713

C714

C715

C781

C782

C783

C784

C801

C802

C891

C901

C902

C903

C904

C905

C906

C907

C908

C909

C910

C911

C912

C913

C914

C915

CN501

CN701

CN901

D1

D2

D3

D4

D241

D242

D561

D701

D702

D703

D704

D705

D706

D707

D708

D709

D781 D782

D783

D891

D892

D901

D902

D903

D904

IC301

IC901

J1

J301

J801

L1

L521

L522

L523

L524

L701

L901

LM

MSW

Q1

Q2

Q3

Q4

Q5

Q6

Q7

Q31

Q51

Q52

Q241

Q501

Q521

Q522

Q561

Q781

Q782

Q783

Q891

Q901

Q902

R1

R2

R3

R4

R5

R6

R7

R8

R9

R10

R31

R34

R35

R36

R37

R38 R39

R40

R41

R44

R51

R52

R53

R54

R55

R57

R59

R71

R72

R73

R81

R82

R91

R92

R162

R163

R164

R165

R166

R167

R168

R172

R173

R174

R175

R176

R177

R178

R184

R191

R194

R241

R242

R243

R244

R245

R246

R247

R322

R332

R342

R352

R503

R504

R505

R506

R507

R508

R509

R511

R512

R513

R515

R516

R517

R521

R522

R523

R524

R525

R527

R528

R531

R532 R533

R534

R535

R536

R537

R538 R539

R561

R562

R563

R564

R565

R566

R567

R568

R569R571

R572

R573

R582

R583

R585

R592

R593

R595

R701

R702

R703

R704

R706

R707

R708

R709

R710

R711

R712

R713

R714

R715

R716

R717

R718

R719

R720

R721

R722

R723

R724

R725

R726

R727

R728

R732

R735

R736

R739

R740

R741

R742

R743 R744

R745

R746

R747

R748

R749

R750

R751

R752

R781

R782

R801

R802

R803

R805

R806

R807

R808

R809

R810

R891

R892

R901

R902

R903

R904

R905

R906

R907

RD

RESET

TD

TP1

TP2

TU1

VDD

VPP

VSS

X1

X31

X71

X521

X701

X702

B6

B4

B1

B5

B3

B2

B7

B901

B902

L702

R248

D243

R753

R574

R755

R756

C599

C598

R598

C716

KD-SX841R

2-7

AB C

1

2

3

4

5

Front board

Forward side

Reverse side

D601

D602

D603

D604

D605 D606

D607

D608

D609

D610

D611

D612

D613

D614

D615

D616

D617

D618

D619

D620

D621

D622

LCD1 D731

D732

JS690

IC602

R601

R602

R603

R604

R605

R606

R607

R608

R609

R610

R631 R646

R647

S601

S602

S603

S604 S605

S606

S607 S608

S609

S610

S611

S612

S613

S614

S615

S616

S617

S618

C601

C602

C603

C612

C613

C614

CJ601

D641 D642

D644

D645

D731

D732

JS690

IC601

IC602

Q641

Q642

R612

R613

R614

R615

R616

R632 R633

R634

R635

R636

R637

R638

R639

R640

R641

R642

R643

R644

R645

R648

R649

R651

R653

R654

R655

R656

R657

R658

R659

R660

R662

R663

R670

R671

R672

R673

R674

R675

C611

KD-SX841R

VICTOR COMPANY OF JAPAN, LIMITED

AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

(No.49790SCH)

Printed in Japan

2003/02

JVC KD-SX841R Guía del administrador

Manuales populares de Receptor de coche de otras marcas