AUDIO-VIDEO SURROUND RECEIVER

© 2003-8 PRINTED IN KOREA

B51-5875-00 (K/K) 1362

* Refer to parts list on page 6.

VR-7070A/7080A

SERVICE MANUAL

THX

SPEAKER EQ ACTIVE EQ

DSP

STEREO INPUT MODE DIMMER

SOUND TONE

SETUP

BAND

AUTO MEMORY

MULTI CONTROL

LISTEN MODE

TUNER

MD/TAPE

VIDEO 3

VIDEO 2

VIDEO 1

PHONO

CD/DVD

THX

DTS

CS II

DOLBY DIGITAL

SPEAKER EQ

ACTIVE EQ

A SPEAKERS B

PHONES

DOWN

MUTE

AV AUX

S VIDEO

VIDEO

L-AUDIO-R

UP

VOLUME CONTROL

STANDBY

POWER

ON/STANDBY

DVD/6CH

Front glass *
(B10-)

Knob
(K29-8268-04)

Panel
(A60-2336-02)

Knob
(K29-8272-04)

Sub panel ass'y
(A22-1874-01)

Knob ass'y
(K29-8137-03)

Knob ass'y
(K29-8137-03)

Dressing panel
(A21-3983-12)

Note:

A different information will be available from this service manual. Pls refer to original service manual(B51-5843-00), too.

+

+

-

-

SPEAKERS(8-16)

SPEAKERS(8-16)

PRE OUT

FRONT A

SURROUND

SURROUND BACK/

SUBWOOFER

FRONT B

CENTER

FRONT B

-

+

PHONO

CD/DVD

MD/TAPE

REC OUT

VIDEO 1

PLAY IN

PLAY IN
VIDEO 2

VIDEO 3

PLAY IN

DVD/6CH.INPUT

FRONT

SURROUND

COAXIAL

SYSTEM CONTROL

OPTICAL

CD/DVD

OPTICAL

VIDEO 3

OPTICAL

CD/DVD

DIGITAL IN

DIGITAL OUT

IN

VIDEO

S VIDEO

IN

VIDEO

DVD/6CH

VIDEO 2

VIDEO
3
IN

DVD
IN

IN

DVD

ROOM B

FRONT

CENTER

SURROUND

IR
RECEIVER
IN

IR
REPEATER
OUT

SURROUND
BACK

SUB
WOOFER

MONITOR

OUT

ROOM B

OUT

SUB WOOFER

IN

IN

REC OUT

PLAY IN

PLAY IN

PLAY IN

PLAY IN

REC OUT

CENTER

OUT

IN

VIDEO

VIDEO

AC OUTLETS

150W 1.25A MAX.

SWITCHED TOTAL

WHITE

GREEN

RED

L

R

Y

CB

Y

Y

CB

Y

-

+

BLUE

PURPLE

GREY

L

R

L

R

COMPONENT VIDEO

MONITOR OUT

FM

75

GND

AM

ANTENNA

GND

AC power cord
(E30-2941-05)

Pin jack
(E63-1080-05)

AC outlet
(E03-0148-05)

Pin jack
(E63-1317-05)x2

Lock terminal board
(E70-0160-05)

Pin jack
(E63-1313-05)

AC power cord bushing
(J42-0349-05)

Cylindrical receptacle
(E56-0040-05)x3

Pin jack
(E63-1248-05)

Pin jack
(E63-1246-08)

Pin jack
(E63-1316-05)

Miniature phone jack
(E11-0389-05)

Miniature phone jack
(E11-0291-05)

Pin jack
(E63-1247-05)

Screw terminal board
(E70-0150-05)x2

Pin jack
(E63-1293-05)x2

Pin jack
(E63-1317-05)x2

Miniature phone jack
(E11-0293-05)

Metallic cabinet
(A01-3894-01)

Tuner ass'y
(W02-2974-15)

Oscillating module
(W02-2732-05)

Optical receiving module
(W02-2731-05)

Pin jack
(E63-1315-05)

70%

MODEL

PARTS #

BATTERY COVER

VR-7070A

K7

A70-1620-05

A09-1274-08

VR-7070A

P7

A70-1620-05

A09-1274-08

VR-7080A

K8

A70-1619-05

A09-1275-08

VR-7080A

P8

A70-1619-05

A09-1275-08

9

ABBRI.

Resetting the Microcomputer

The microcomputer may malfunction (unit cannot be operated, or
shows an erroneous display) if the power cord is unplugged while
the power is ON, or due to some other external factor. If this
happens, execute the following procedure to reset the
microcomputer and return the unit to its normal operating
condition.

Unplug the power cord from the wall outlet, then plug it
back in while holding down the POWER ON/STANDBY
key.

•

Please note that resetting the microcomputer will clear the contents

of the memory and returns the unit to the state it was in when it left
the factory.

Memory back up function

Please note that the following items will be deleted from the unit's
memory if the power cord is disconnected from the AC outlet for
approximately 1 day.

• Power mode.
• Input selector settings.
• Picture output.
• Speaker ON/OFF.
• Volume level.
• BASS, TREBLE, INPUT level.
• TONE ON/OFF.
• LOUDNESS ON/OFF.
• Dimmer level.
• MD/TAPE settings.
• Listen mode setting.
• Speaker settings.
• SW RE-MIX ON/OFF.
• Distance setting.

• Bass peak level.
• Input mode setting.
• M idnight mode setting.
• PRO LOGIC II mode setting.
• CS II mode setting.
• Broadcast band.
• Frequency setting.
• Preset stations.
• Tuning mode.
• THX mode.
• DSP mode.
• ACTIVE EQ mode.
• SPEAKER EQ mode.

FM indoor antenna (1)
(T90-0905-05)

AM loop antenna (1)
(T90-0893-05)

RF remote antenna (1)
Refer to the table on this page below.

Batteries (R6/AA) (2)

VR-7070A/7080A

2

ACCESSORIES / CAUTIONS

Accessories

Cautions

REMOTE CONTROL vs MODEL

DIFFERENT POINT

Model

Service Manual

Surround

Display

Sub

VR-7070 B51-5843-00

X09-6760-10

X25-6490-14

VR-7070A

-

X09-6830-10

X25-6620-10

VR-7080 B51-5843-00

X09-6760-10

X25-6490-14

VR-7080A

-

X09-6830-10

X25-6620-10

Audio

Change point;

R97,98,147,148,197,198, VR1-

6,Q11-14,31-34,51-54, D23

X08-3130-12

X14-7630-10

Note:

A different information will be available from this service manual. Pls refer to original service manual(B51-5843-00), too.

3

U

W

Y

V

X

2

1

3

5

7

4

6

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

PC BOARD

W52

W53

C215

W54

C216

C127

C128

C129

C101

W8

C102

C103

C104

C105

C106

C107

C108

C109

C1
10

C

111

C112

C113

C114

4

1

1

8

9

16

C1
15

C1
16

C117

C1
18

C119

C120

C121

C124

C123

C122

C201

C202

7

1

I

G

O

C203

R218

C205

C206

C207

C208

C209

C210

C21

1

C212

C213

C214

L201

L202

R101

R102

R103

R104

R105

R106

R107

R108

R109

R1
10

R

111

R1
12

R1
13

R201

R202

R203

R204

R205

R206

R207

R208

R209

R210

R21

1

R212

R213

R214

R215

R216

R217

W17

W10

R1
14

W18

W13

W1

1

W9

R120

C133

W1

W2

W5

W12

W15

W4

W6

W3

1

1

7

8

14

7

14

8

W14

C134

W16

W19

W68

W42

W20

C135

C136

C130

C131

C132

R121

R122

C137

C138

C139

R431

R337

R336

R334

R333

R328

R327

R325

R321

C312

C310

C317

C315

C302

1

2

W23

W24

C307

C308

R338

C305

R335

C306

C303

W22

W21

C304

C301

R331

W25

R332

C438

C313

C31

1

W41

R349

R339

W30

R340

C309

C457

R461

R507

R457

R463

C451

SWch

W31

R356

R308

R317

R307

R318

R357

R350

R315
R305

R326

R316

R347

R348

C435

C439

R330

C433

R358

R310

R455

R329

R320

R319

R309

R355

R352

C434

C440

R360

R359

R351

C436

R306

R313

R303

R323

R353

R345

R362

R324

R314

R311

R301

R346

R354

R341

R343

R423

C429

R417

Cch

R445

R505

C445

R405

W47

SBch

R418

R424

C430

R406

C412

C446

R506

C452

R453

R459

C453

W38

R462

1

4

5

8

1

4

5

8

1

4

5

8

1

4

5

8

W51

C449

C458

R456

SBch

W37

R458

R454

C454

W67

R460

R464

W39

R41

1

C450

C411

W35

R439

W49

R440

C406

C405

R412

C426

R502

R414

R420

C316

4

1

19

1

18

2

R442

C402

W36

W44

R421

R302

W26

R322

R312

R342

R344

SLch

R432

R433

C431

R430

SRch

C437

R428

W66

W40

C409

R503

C427

R415

R446

R403

C410

R404

R422

C428

R416

C403

C444

R444

R504

R410

FLch

FRch

R427

R426

R425

R413

R419

W28

W32

C432

C407

C425

R501

W34

R401

R441

C441

R407

C442

C401

C408

R402

R408

R409

R443

R437

C443

W63

W64

W61

W43

W46

R438

C404

C459

R448

C419

R449

W58

W60

C448

R435

W55

W57

W56

C447

R447

R450

W59

C420

R436

R451

W62

W65

W33

W29

W27

R452

W50

W45

W48

R434

B

B

E

EB

E

B

E

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

4

1

E

B

EB

EB

EB

EB

EB

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

B

E

E

B

BE

BE

B

E

D206

CN202

D205

D201

D202

D203

D204

J102

P201

Q201

Q202

Q203

Q204

J101

CN101

CN201

CN304

J303

J302

J301

CN302

Q302

Q307

Q317

Q309

WH2

Q316

Q308

Q318

Q315

Q305

Q319

Q310

Q320

Q313

Q303

Q306

Q304

Q301

Q314

Q311

Q411

Q407

Q412

Q408

CN303

Q403

Q312

WH1

Q402

D401

Q401

Q404

Q406

Q405

Q409

WH1

D402

CN301

WH2

J202

J201

IC101

IC102

IC201

IC202

IC403

IC404

IC402

IC401

(J70-1704-02)

X25-6620-10 A/2

X25 B/2

IR REPEATER

IR IN

Cr

Cb

Y

MONITOR OUT

DVD IN

Y

Cb

Cr

VIDEO3 IN

COMPONENT VIDEO

SUB WOOFER

SUB WOOFER

CENTER

L

R

SURROUND BACK/

BACK

SURROUND

SURROUND

SURROUND

FRONT

ROOM B

SPEAKERS

PRE OUT

4

AO

AP

AR

AQ

AS

2

1

3

5

7

4

6

VR-7070A/7080A

X25-6620-10 (1/2)

+3.3V

VDD

100P

R907

75

C917

VCC

Y

C

Y

C

Y

C

8

C915

IN1

GND

IN1

Y5

Y7

C7

C5

47P

100K

R905

C905

100K

R906

47P

C906

47P

75

R903

C903

75

R904

47P

C904

0.01

4

C910

3

2

VCC

IN2

SW2

5

IN3

SW1

6

OUT

7

10 1/4W

R916

C5

Y3

C7

100P

C918

+11.5V

0.01

C909

R908

0.01

C916

75

47u25

+

C912

10 1/4W

R915

+

+11.5V

Y5

7

5

6

VCC

3

IN2

4

SW2

IN3

2

SW1

OUT

+11.5V

47u25

C913

470u16

+

CX

Y3

47P

75

R901

C901

75

R902

47P

C902

1

8

X601

R604

1M

R603

1M

4

2

1

3

R602

220

GND

6

7

5

C602

1000P

12.288MHz

CLR

B

A

C604

27P

1

3

2

C603

22P

RX/CX

VCC

8

6

7

14

0.01

C920

C919

0.01

8

1

GND

GND

4

+2.5V

Q

5

36

+5V

6

7

+3.3V

100P

CTLB

2

+12V

R911 4.7K

Y7

R917

10K

R912 200

CTLA

4

+12V

6

5

V.MUTE

3

+2.5V

C908

100P

C907

2.2

R921

+5V

+3.3V

VID. D GND

1

R683

470

R684

470

8

10

9

R81

1

1

13

12

11

14

+5V

+5V

C672

+

C669

C676

SCDI0

R804

R803

R802

R801

R800

R799

R806

1 1/4W

R623 10K

+2.5V

0.01

R626

3.3K

C612

22

4.7K

4.7K

20

R633

R632

C607 22P

C675 22P

R610

220

C608

1000P

R601

220

+3.3V

R810

R605

10K

C601

0.01

C606

0.01

R609

100K

C605

0.01

1

R809

1

47u25

C616

+2.5V

R629 10K

C614

0.01

C615 470P

+

C613 2.2u50

R630

33K

+

R634

470

R631

1/4W

1

R805

0.01

0.01

100

+2.5V

R680

R608

220

13

+3.3V

2

18

470

+2.5V

36

22

39

+5V

13

AU DATA1

AU DATA0

LR CLK

S CLK

M CLK

VD1

D GND1

AU DATA3

WR

LR CLK N1

FIL

T1

CMP

REQ

31

CLK IN

22

30

29

FIL

T2

CLK SEL

32

33

CMP CLK

CMP DAT

22

28

22

27

AU DA

T

A

2

RESET

A

GND

VA

C617

34

C618

36

35

DC

DD

38

37

39

23

S CLK N1

D GND3

22

22

26

25

24

VD3

S DATA N1

EXTMEM

22

21

20

ABOOT

R797

R795 22

42

R638 22

R637 22

R692 22

40

41

40

42

41

14

+5V

+3.3V

39

19

40

22

R798

22

C609

0.01

R793 22

R794 22

44

43

+2.5V

1

44

43

2

3.3K

R611

3

4

R796 22

R642 22

R678 22

22

+5V

41

43

R679 22

R689 22

44

42

22P

0.1

18

R624

220

R627

220

3.3K

R625

R628

220

C611

1000P

20

+2.5V

19

RD

A1

C610

12

0.01

16

CS

D

ATA

0

19

18

17

D GND 2

DA

T

A

3

D

ATA

2

DA

T

A

1

14

15

13

CP601

10K

R807

1

R614

220

D

ATA

7

DA

T

A

6

DA

T

A

5

D

ATA

4

VD2

11

8

9

10

A0

7

1/4W

CP602
10K

7

100u10

R690

470

1/4W

R691

4.7

+

C657

3

2

1

+5V

+5V

6

5

3.3K

R612

R613

220

6

R808

+2.5V

1/4W

1

+5V

10u50

C670

2

1/4W

4.7

C668

0.1

R641

C636

4700P

C637

4700P

R635

R644

75

75

C635

22P

C634

22P

R693

100

R OUT

VSS

6

7

4

5

3

2

1

VDD

C622

0.01

1

3

2

13

14

11

12

6

5

4

VSS

7

10

9

8

+5V

C619

0.1

R663

220

19

20

CDT

O

SDTO

11

SDTI 1

10

9

BICK

IN T

1

IN T

0

SDTI 3

SDTI 2

14

13

12

16

15

TX

8

7

LRCK

MCKO

6

5

22P

T VDD

22

A

VSS

DZF2

CSM

C CLK

CDTI

19

18

17

21

20

A

VDD

VREF

V CO

DZ

L OUT

R OUT

L OUT

SLA

VE

XTO

D VDD

4

D VSS

3

2

XTI

PDN

44

1

C671

47P

38

39

40

41

42

43

RX2

12C

RX1

RX3

TST

P

VDD

P

VSS

L OUT

R OU

L

R

0.1

34

35

36

37

RX4

R

R639

18K

C631

100

R694

+5V

+5V

+5V

OSCILLATOR

OUT

MONITOR

PLAY IN

DVD

ONLY

PLAY IN

VIDEO2

VR-716A

J901

C

Q601

S VIDEO

Y

DETECT

DIGITAL

W

Q901

D902

D901

D900

Q902

3/

CN901

X0

D601

AUDIO
DECODER

DIGITAL

CD/DVD

J601

A601

D605

VIDEO2

DVD

OPTICAL INPUT

COAXIAL

INPUT

LEVEL
SHIFTER

(ADC&DAC)

CODEC

IC603

IC901

IC902

IC604

IC601

(X08-3230-10) USED VR-705-SA, VR-716A

IC606

IC602

CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts
list).

indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating

fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the appliance is returned to the customer.

AK-2

AK-2

5

AT

AV

AX

AU

AW

VR-7070A/7080A

X25-6620-10 (2/2)

5.1V

0V

C720

33P

1

R756 180

VDD

1/4W

R814

CTLB

2

1/4W

+12V

1 4.7K

2 200

CTLA

4

+12V

6

5

V.MUTE

3

+

C662

100u10

1

+5V

100u10

+

C659

1/4W

R813

1

+5V

+2.5V
+3.3V

VID. D GND

1

+5V

470

10

R81

1

1

13

12

11

14

+9.9V

+3.3V

5

C661

0.01

4

+

C654

10u50

C

CTL

OUT

VCC

GND

1

2

3

R670

4.7

C660

82P

+9.9V

R665

22K

+2.5V

C656

R812

1/4W

47u25

+

1

+2.5V

13

9

11

2

V OUT

3

V IN

EXT

1

VSS

CE

R664

560

1/4W

4

5

+2.5V

+9.9V

R671

1 1/4W

OUT

IN

GND

C666

0.1

C665

33P

4.7K

R676

1K

R673

R674

47K

R672

C667

220

R675

220

4700u16

+

+9.9V

10

+9.9V

18 2W

R666

R677

1.5K

+9.9V

+12V

R758 180

1/4W

12

13

R685

1

+

R757 180

1

19

10
44
20

180

CP604

14

8

9

11

CP603
180

1

12V

12V

R709

4.7K

29

R OUT2

2.7K

2200P

R718

100K

R714

C716

4

5

3

2

C623

0.01

1

3

11

12

6

5

4

VSS

7

10

9

8

26

10u50

C722

27

+

1

+

10K

C726

R724

100K

R728

8200P

18K

R726

8200P

C724

15K

R722

R730

5.6K

6

5

100K

R723

C725

47P

R727

1800P

10K

C719

2

C721

10u50

C712

10u50

R667

220

12
10

8

29

+

R725

2.2K

2200P

C723

R721

2.2K

4.7K

R729

3

R716

C714

820P

2.2K

R712

3.3K

5.6K

R720

6

5

+5V

C621

2.2u50

C619

0.1

22u50

C673

+

R663

220

19

20

CDT

O

IN T

1

16

15

+

22

A

VSS

DZF2

CSM

C CLK

CDTI

19

18

17

21

20

A

VDD

VREF H

23

26

V COM

DZF1

L OUT3

24

25

R OUT3

L OUT2

27

28

2200P

R710

4.7K

10u50

C711

+

14

44

28

R713

100K

C715

2200P

R717

2.7K

2

C713
820P

2.2K

R715

3.3K

R711

R719

5.6K

3

C702

10u50

10u50

31

+

26

28

27

30

+

R706

2.2K

C704

R702

2.2K

R704

100K

C706

5

1800P

R708

10K

6

2.2K

C705

R703

100K

2.2K

1800P

R707

10K

C700

47P

2

3

C718

100P

C737

22P

R739

10K

1K

1

+12V

12V

100P

C728

12V

4

7

100

R746

+12V

C727

100P

8

C741

1000P

R747

100

8

1

2

+12V

3

R745

12V

R744

220

4

7

R749

2.7K

R737

10K

R740

12V

C742

100P

4

7

6

5

C738

22P

1

R748

100

10K

R750

R738

10K

2.7K

14

GND

ST

N.C.

VSS

+12V

C717

8

100P

1

220

R743

+12V

12V

11

100P

15

14

C744

13

12

10

9

8

7

6

C709

4700P

12V

R742

220

7

4

C708

100P

C710

100P

+12V

C707

100P

8

1

R741

220

1

4.7K

5

4

R751

3

2

12V

R752

5.6K

20

SW

N.C.

CK

DATA

16

17

18

19

21

22

23

24

25

17

16

30

RS IN2

RS

FR

LS

LS IN2

FL

26

27

VDD

28

29

+12V

4.7K

R753

R754

5.6K

SLA

VE

38

39

RX3

P

VDD

P

VSS

31

L OUT1

R OUT1

29

30

L IN

R IN

32

33

0.1

34

35

36

37

RX4

R

R639

18K

C631

1/4W

R640

4.7

C701

+5V

30

31

C791

C703

2200P

R705

R701

470P

R791

18K

C792

R792

470P C740

10K

10K

R735

R736

C739

10u50

+

10u50

+

32

33

18K

+12V

VR-705-SA

+B

B

+12V

VR-716A

MODEL NAME

+5V

+5V

+B

+5V

+5V

SW

Q606

D607

D606

WH120

900

3/5

D614

D613

+3.3V AVR

CN901

X09-A/9-

+2.5V AVR

SW

Q608

AVR

+5V

D610

Q609

D609

D608

D604

SPACE

CHANNEL

(M)TYPE ON

IC701

IC703 (1/2)

IC703

IC702

IC702 (1/2)

(2/2)

SHIFTER

LEVEL

(2/2)

ADC&DAC)

ODEC

(2/2)

(1/2)

IC707

CENTER

SR

IC707

MIX

SW

(2/2)

SL

FR

CONFIGURATION

IC901,902

FILTER

IC701-703,707

IC701 (1/2)

D602

IC705

D603

IC604

IC609

IC612

IC611

IC606

IC605

IC603

IC602

IC601

Q609

Q608

Q606

Q601,901,902

UDZ5.6B or

:

D606,607

D900-902

D610

D609

FL

MM1228XF

NJU7311AM

NJM4565MD

:

:

:

1SR154-400

HZU5.1(B2)

UDZ5.1B or

HZU5.6(B2)
D2SBA20F03

:

:

:

D604

D603

D602,605

D601,608,613,614

TC7WH123FU

:

BA033LBSG

XC62EP2502MR

TC74HC07AF

TC74HCT7007AF

:

BA05T

:

:

:

:

CS493263-CLR

TC7WU04FU

AK4586

CS493263-CLG or

:

:

:

MA142WK

HZU3.9(B2)

MA142WA

DAP202U or

UDZ3.9B or

1SS300 or

:

:

1SS301 or
DAN202U or

MA111

:

:

DIGITAL LINE
SIGNAL LINE
GND LINE

B LINE
B LINE

2SC4081(R,S) or

:

2SB1218A(Q,R)

2SD1819A(Q,R)
2SA1576A(R,S) or

:

DTC124EUA or

2SB1375

UN5212

:

:

(X08-3230-10)

IC611

IC609

IC612

IC605

IC705

IC602

The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.

BD-1

VR-7070A/7080A

6

P

ARTS LIST

✽ New Parts

Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

Ref. No

Add-

ress

New

Parts

Description

Desti-

nation

Re-

marks

Parts No.

✽ New Parts

Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

Ref. No

Add-

ress

New
Parts

Description

Desti-

nation

Re-

marks

Parts No.

Q11 ,12

TRAIT8N*5

TRANSISTOR

Q13 ,14

TRAIT8P*5

TRANSISTOR

Q31 ,32

TRAIT8N*5

TRANSISTOR

Q33 ,34

TRAIT8P*5

TRANSISTOR

Q51 ,52

TRAIT8N*5

TRANSISTOR

Q53 ,54

TRAIT8P*5

TRANSISTOR

C101-109

CC45FCH1H100D

CERAMIC

10PF

D

C110-115

CE04LW1H100M

ELECTRO

10UF

50WV

C116

CK45FF1H103Z

CERAMIC

0.010UF

Z

C117

CE04LW1H100M

ELECTRO

10UF

50WV

C118

CE04LW1A471M

ELECTRO

470UF

10WV

C119

CK45FF1H103Z

CERAMIC

0.010UF

Z

C120

CE04LW1H100M

ELECTRO

10UF

50WV

C121

CE04LW1A471M

ELECTRO

470UF

10WV

C122

CE04KW1E330M

ELECTRO

33UF

25WV

C123

CE04LW1H100M

ELECTRO

10UF

50WV

C124

CE04LW1A471M

ELECTRO

470UF

10WV

C127-129

CK45FF1H103Z

CERAMIC

0.010UF

Z

C130-132

CQ93FMG1H104J

MYLAR

0.10UF

J

C133

CE04LW1E470M

ELECTRO

47UF

25WV

C134-139

CK45FF1H103Z

CERAMIC

0.010UF

Z

C201

CE04LW1H100M

ELECTRO

10UF

50WV

C202

CK45FF1H103Z

CERAMIC

0.010UF

Z

C203

CQ93FMG1H683J

MYLAR

0.068UF

J

C205,206

CK45FF1H103Z

CERAMIC

0.010UF

Z

C207

CE04LW1A101M

ELECTRO

100UF

10WV

C208

CE04LW1A221M

ELECTRO

220UF

10WV

C209

CK45FF1H103Z

CERAMIC

0.010UF

Z

C210

CC45FSL1H221J

CERAMIC

220PF

J

C211-213

CC45FSL1H101J

CERAMIC

100PF

J

C214,215

CK45FF1H103Z

CERAMIC

0.010UF

Z

C216

CE04LW1H010M

ELECTRO

1.0UF

50WV

C301-310

CC45FSL1H221J

CERAMIC

220PF

J

C311-313

CK45FB1H332K

CERAMIC

3300PF

K

C315-317

CC45FSL1H101J

CERAMIC

100PF

J

C401-406

CE04KW1H220M

ELECTRO

22UF

50WV

C407-412

CC45FSL1H221J

CERAMIC

220PF

J

C419

CE04KW1E221M

ELECTRO

220UF

25WV

C420

CE04KW1E101M

ELECTRO

100UF

25WV

C425,426

CC45FCH1H101J

CERAMIC

100PF

J

C427-430

CC45FCH1H100D

CERAMIC

10PF

D

C431-436

CE04KW1E470M

ELECTRO

47UF

25WV

C437,438

CE04HW1E220M

NP-ELEC

22UF

25WV

C439,440

CE04KW1E470M

ELECTRO

47UF

25WV

C441,442

CE04KW1A101M

ELECTRO

100UF

10WV

C443-446

CE04KW1H220M

ELECTRO

22UF

50WV

C447

CE04LW1H100M

ELECTRO

10UF

50WV

C448

CE04KW2A3R3M

ELECTRO

3.3UF

100WV

C449,450

CE04KW1H220M

ELECTRO

22UF

50WV

C451

CE04KW1E221M

ELECTRO

220UF

25WV

C452

CE04KW1H220M

ELECTRO

22UF

50WV

C453,454

CC45FSL1H221J

CERAMIC

220PF

J

C457

CQ93FMG1H392J

MYLAR

3900PF

J

601

1C

A01-3894-01

METALLIC CABINET

602

1C

A09-1274-08

BATTERY COVER

K7P7

602

1C

A09-1275-08

BATTERY COVER

K8P8

604

2C

A21-3983-12

DRESSING PANEL

605

2D

A22-1874-01

SUB PANEL ASSY

606

2C

A60-2336-02

PANEL

607

1C

A70-1619-05

REMOTE CONTROLLER ASSY

K8P8

607

1C

A70-1620-05

REMOTE CONTROLLER ASSY

K7P7

B12-0443-04

INDICATOR

-

B60-5341-00

INSTRUCTION MANUAL

K8P8

-

B60-5342-00

INSTRUCTION MANUAL

P8

-

B60-5343-00

INSTRUCTION MANUAL

K7P7

-

B60-5344-00

INSTRUCTION MANUAL

P7

-

✻ B60-5421-00

INSTRUCTION MANUAL

611

3A

✻ B07-2617-11

ESCUTCHEON+KNOB(#633)

612

2D

B07-2607-03

ESCUTCHEON

613

2C

B07-2609-03

ESCUTCHEON

614

2D

B07-2620-13

ESCUTCHEON

615

2C

B10-3925-12

FRONT GLASS

K7P7

615

2C

B10-3933-12

FRONT GLASS

K8P8

616

2C

B11-1571-13

COLOR FILTER

617

2D

B12-0440-04

INDICATOR

618

2D

B12-0442-04

INDICATOR

620

2C

B43-0314-04

KENWOOD BADGE

625

1E

E30-2941-05

AC POWER CORD

626

1E,2E

E35-2841-05

FLAT CABLE

628

1D,2E

E35-3216-05

FLAT CABLE

637

2E

G11-2885-04

CUSHION

638

1D,2E

G11-2886-04

CUSHION

639

2C

G11-2887-04

CUSHION

-

J61-0307-05

WIRE BAND

643

2E

J02-1532-03

FOOT

644

2E

J19-3751-04

UNIT HOLDER

654

1E

J42-0349-05

POWER CORD BUSHING

659

2D

K29-8268-04

KNOB

660

2C

K29-8272-04

KNOB

661

2D

K29-8137-03

KNOB ASSY

665

2D

✻ L07-3275-05

POWER TRANSFORMER

670

1C

T90-0893-05

LOOP ANTENNA

671

1C

✻ T90-0905-05

LEAD WIRE ANTENNA

675

1E

W02-2974-15

TUNER ASSY

R97 ,98

RD14NB2E151J

RD

150

J

1/4W

R147,148

RD14NB2E151J

RD

150

J

1/4W

R197,198

RD14NB2E151J

RD

150

J

1/4W

VR1 -6

R32-0030-05

SEMI FIXED VARIABLE RESISTOR

D23

HZS11N(B2)

ZENER DIODE

D23

MTZJ11(B)

ZENER DIODE

D23

RD11ES(B)

ZENER DIODE

L : Scandinavia

K : USA

P : Canada

R : Mexico

C : China

I : Malaysia

Y : PX(Far East, Hawaii)

T : England

E : Europe

G : Germany

V : China (Shanghai)

Y : AAFES(Europe)

X : Australia

Q : Russia

H : Korea

M : Other Areas

indicates safety critical components.

L : Scandinavia

K : USA

P : Canada

R : Mexico

C : China

I : Malaysia

Y : PX(Far East, Hawaii)

T : England

E : Europe

G : Germany

V : China (Shanghai)

Y : AAFES(Europe)

X : Australia

Q : Russia

H : Korea

M : Other Areas

indicates safety critical components.

1

2

VR-7070A(K7,P7)/VR-7080A(K8,P8)

AUDIO (X09-6830-10)

SUB(X25-6620-10)

Q409

KRA103M

DIGITAL TRANSISTOR

Q409

UN4112

DIGITAL TRANSISTOR

Q411,412

2SC2878(B)

TRANSISTOR

VR-7070A/7080A

7

P

ARTS LIST

✽ New Parts

Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

Ref. No

Add-

ress

New

Parts

Description

Desti-

nation

Re-

marks

Parts No.

✽ New Parts

Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

Ref. No

Add-

ress

New
Parts

Description

Desti-

nation

Re-

marks

Parts No.

C458

CC45FCH1H100D

CERAMIC

10PF

D

C459

CC45FSL1H470J

CERAMIC

47PF

J

CN101

E40-3262-05

PIN ASSY

CN202

E40-3251-05

PIN ASSY

CN301

E40-8483-05

FLAT CABLE CONNECTOR

CN302

E40-4101-05

PIN ASSY

CN303

E40-3248-05

PIN ASSY

CN304

E40-4248-05

PIN ASSY

J101

E63-1315-05

PIN JACK

J102

E63-1316-05

PIN JACK

J201

E11-0389-05

MINIATURE PHONE JACK(3.5 STERE

J202

E11-0291-05

MINIATURE PHONE JACK(2P)

J301

E70-0150-05

SCREW TERMINAL BOARD

J302

E63-1246-05

PIN JACK

J303

E63-1248-05

PIN JACK

L201

L40-1011-58

SMALL FIXED INDUCTOR(100UH,K)

L202

L92-0017-05

FERRITE CORE

R213,214

RD14NB2E471J

RD

470

J

1/4W

R217

RD14NB2E471J

RD

470

J

1/4W

R425

RD14NB2E561J

RD

560

J

1/4W

R434

RD14GB2E150J

FL-PROOF RD

15

J

1/4W

R450

RD14GB2E561J

FL-PROOF RD

560

J

1/4W

R451

RD14NB2E102J

RD

1.0K

J

1/4W

R452

RD14GB2E150J

FL-PROOF RD

15

J

1/4W

D201-206

HSS104A

DIODE

D201-206

1SS133

DIODE

D401

MTZJ3.9(B)

ZENER DIODE

D401

RD3.9ES(B)

ZENER DIODE

D402

MTZJ5.1(B)

ZENER DIODE

D402

RD5.1ES(B)

ZENER DIODE

IC101

NJM2584D

ANALOGUE IC

IC102

NJM2580D

ANALOGUE IC

IC201

BA05T

ANALOGUE IC

IC202

TC74HC00AP

IC(2INPUT NAND GATE)

IC401

NJM4580D-D

IC(OP AMP X2)

IC402

NJM4565D-D

IC(OP AMP X2)

IC403

NJM4580D-D

IC(OP AMP X2)

IC404

NJM4565D-D

IC(OP AMP X2)

Q201

DTC124ESA

DIGITAL TRANSISTOR

Q201

KRC103M

DIGITAL TRANSISTOR

Q201

UN4212

DIGITAL TRANSISTOR

Q202,203

KTC3199(Y,GR)

TRANSISTOR

Q202,203

2SC1740S(Q,R)

TRANSISTOR

Q202,203

2SC2785(F,E)

TRANSISTOR

Q204

KTA1267(Y,GR)

TRANSISTOR

Q204

2SA1175(F,E)

TRANSISTOR

Q204

2SA933AS(Q,R)

TRANSISTOR

Q301-320

2SC2878(B)

TRANSISTOR

Q401,402

DTA124ESA

DIGITAL TRANSISTOR

Q401,402

KRA103M

DIGITAL TRANSISTOR

Q401,402

UN4112

DIGITAL TRANSISTOR

Q403-408

2SC2878(B)

TRANSISTOR

Q409

DTA124ESA

DIGITAL TRANSISTOR

L : Scandinavia

K : USA

P : Canada

R : Mexico

C : China

I : Malaysia

Y : PX(Far East, Hawaii)

T : England

E : Europe

G : Germany

V : China (Shanghai)

Y : AAFES(Europe)

X : Australia

Q : Russia

H : Korea

M : Other Areas

indicates safety critical components.

L : Scandinavia

K : USA

P : Canada

R : Mexico

C : China

I : Malaysia

Y : PX(Far East, Hawaii)

T : England

E : Europe

G : Germany

V : China (Shanghai)

Y : AAFES(Europe)

X : Australia

Q : Russia

H : Korea

M : Other Areas

indicates safety critical components.

3

4

VR-7070A/7080A

AUDIO VIDEO SURROUND RECEIVER

VR-7080A

VR-7070A

INSTRUCTION MANUAL

KENWOOD CORPORATION

B60-5421-00 00 MA (K, P) KW 0305

Thank you for purchasing this product. This Receiver you just purchased has been upgraded with new features.

120 Watts per channel (stereo) of K-STAT ™ Power

Kenwood's exclusive K-STAT discrete amplifier features self-adjusting transistors that provide optimum
low-distortion performance at all volume levels.

HD (High Definition) Component Video Switching

The Component Video inputs will pass a High-definition video signal to an HD-capable TV or monitor, producing
significantly improved video images over conventional NTSC video.

Upgraded Specifications

AUDIO section

Rated power output during STEREO operation

Effective power output during SURROUND operation

FRONT (20 ~ 20 kHz, 0.09 % T.H.D. at 8

Ω one channel driven)

............................................................................... 120 W + 120 W

CENTER (20 ~ 20 kHz, 0.09 % T.H.D. at 8

Ω one channel

driven) .................................................................................. 120 W

SURROUND (20 ~ 20 kHz, 0.7 % T.H.D. at 8

Ω one channel

driven) ................................................................... 120 W + 120 W

SURROUND BACK/SUBWOOFER (20 ~ 20 kHz, 0.09 % T.H.D.
at 8

Ω one channel driven) ................................................. 120 W

Total harmonic distortion ....................... 0.009 % (1 kHz, 60 W, 8

Ω)

120 watts per channel minimum RMS, both channels driven, at
8

Ω from 20 Hz to 20 kHz with no more than 0.09% total harmonic

distortion. (FTC)

The VR-7070A and VR-7080A receivers are identical to the VR-7070 and VR-7080 except for the features and specifications
described in this addendum. For all other information and specifications, please refer to the VR-7070 and VR-7080 Instruction
Manuals.