colour television - diagramas dediagramasde.com/diagramas/televisores/jvc av-20nx3...no indication :...

9
No. 52079 Nov. 2002 AV-20NX3 BASIC CHASSIS CH COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD. SCHEMATIC DIAGRAMS COLOUR TELEVISION CD-ROM No. SML200212 MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN TV RM-C1014 SYSTEM COLOUR SOUND MENU CHANNEL RETURN+ POWER DISPLAY TV/VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 -/-- CINEMA SURROUND RM-C1014-1H AV-20NX3

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Page 1: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

No. 52079Nov. 2002

AV-20NX3

BASIC CHASSIS

CH

COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.

SCHEMATIC DIAGRAMSCOLOUR TELEVISION

CD-ROM No. SML200212

MUTING

OFFTIMER

ECOSENSOR

PICTUREMODE

CHANNELSCAN

TV

RM-C1014

SYSTEMCOLOUR SOUND

MENU

CHANNEL

RETURN+

POWER

DISPLAY

TV/VIDEO

VOLUME

1 2 3

4 5 6

7 8 9

0 -/--

CINEMASURROUND

RM-C1014-1H

AV-20NX3

Page 2: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

AV-20NX3

q NOTE ON USING CIRCUIT DIAGRAMS1. SAFETY

The components identified by the symbol and shading arecritical for safety. For continued safety replace safety criticalcomponents only with manufactures recommended parts.

2. SPECIFIED VOLTAGE AND WAVEFORM VALUESThe voltage and waveform values have been measured under thefollowing conditions.

(1) Input signal : Colour bar signal(2) Setting positions of each knob/button and variable resistor

: Original setting position whenshipped

(3) Internal resistance of tester : DC 20kØ/V(4) Oscilloscope sweeping time : H ⇒ 20µS/div

: V ⇒ 5mS/div: Others ⇒ Sweeping time is

specified.(5) Voltage values : All DC voltage values

9Since the voltage values of signal circuit vary to some extent ac-cording to adjustments, use them as reference values.

3. INDICATION OF PARTS SYMBOL [EXAMPLE]• In the PW board : R1209 → R209

4. INDICATIONS ON THE CIRCUIT DIAGRAM(1) Resistors•Resistance value

No unit : [Ø]k : [kØ]M : [MØ]

•Rated allowable powerNo indication : 1/16 [W]Others : As specified

• TypeNo indication : Carbon resistorOMR : Oxide metal film resistorMFR : Metal film resistorMPR : Metal plate resistorUNFR : Non-Flammable resistorFR : Fusible resistor

9Composition resistor 1/2 [W] is specified as 1/2S or Comp.

(2) Capacitors•Capacitance value

1 or higher : [pF]less than 1 : [µF]

•Withstand voltageNo indication : DC50[V]AC indicated : AC withstand voltage [V]Others : DC withstand voltage [V]

9 Electrolytic Capacitors47/50[Example] : Capacitance value [µF]/withstand voltage[V]

• TypeNo indication : Ceramic capacitorMY : Mylar capacitorMM : Metalized mylar capacitorPP : Polypropylene capacitorMPP : Metalized polypropylene capacitorMF : Metalized film capacitorTF : Thin film capacitorBP : Bipolar electrolytic capacitorTAN : Tantalum capacitor

(3) CoilsNo unit : [µH]Others : As specified

(4) Power Supply

: B1

: B2(12V)

: 9V

: 5V

9Respective voltage values are indicated

(5) Test point

: Test point

: Only test point display

(6) Connecting method: Connector

: Wrapping or soldering

: Receptacle

(7) Ground symbol

: LIVE side ground

: ISOLATED(NEUTRAL) side ground

: EARTH ground

: DIGITAL ground

5. NOTE FOR REPAIRING SERVICEThis model’s power circuit is partly different in the GND. The differenceof the GND is shown by the LIVE : ( ) side GND and theISOLATED(NEUTRAL) : ( ) side GND. Therefore, care must be takenfor the following points.

(1) Do not touch the LIVE side GND or the LIVE side GND and theISOLATED(NEUTRAL) side GND simultaneously. If the above cau-tion is not respected, an electric shock may be caused. Therefore,make sure that the power cord is surely removed from the recepta-cle when, for example, the chassis is pulled out.

(2) Do not short between the LIVE side GND and ISOLATED(NEUTRAL)side GND or never measure the LIVE side GND andISOLATED(NEUTRAL) side GND at the same time with a measur-ing apparatus ( oscilloscope, etc.). If the above precaution is notrespected , a fuse or any parts will be broken.

• Since the circuit diagram is a standard one, the circuit and cir-cuit constants may be subject to change for improvement with-out any notice.

Nov. 2002 No. 52079

STANDARD CIRCUIT DIAGRAMAV-20NX3

Page 3: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

AV-20NX3

2-2 No.52079

E

C

B

OUT

E

IN

E C BE C

(G)(D)(S)B

IN E OUT

E C B E

C

BE C B

CHIP TR

TOP VIEWBOTTOM VIEW FRONT VIEWTRANSISTOR

TOP VIEWBOTTOM VIEW FRONT VIEWIC

TOP VIEWCHIP IC

1 N

1 N

1 N

1

NN

N

N

N

1

SEMICONDUCTOR SHAPES

CONTENTSSEMICONDUCTOR SHAPES ................................................................................................................................. 2-2

BLOCK DIAGRAM .......................................................................................................................................................... 2-3

CIRCUIT DIAGRAMSMAIN PWB CIRCUIT DIAGRAM (1/3) ............................................................................................................................. 2-5MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3) ................................................................................................................... 2-7

PATTERN DIAGRAMSMAIN PWB PATTERN ......................................................................................................................................................... 2-9MAIN PWB (CRT SOCKET) PATTERN ......................................................................................................................... 2-11

Page 4: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

J801VIDEO-1INPUT

T551

FBT

B1

FOCUS1

IC702EEPROM

TU001TUNER

VIDEO

AUDIO L/MONO

AUDIO R

IF

RGB DRIVE

SCLSDA

Cout1

MAIN (CRT SOCKET)

IC401VERT OUT

J802,J803COMPONENT

(VIDEO-2)INPUT

CB

CR

AUDIO R

J771-J773FRONT IN(VIDEO-3)

VIDEO

AUDIO L/MONO

AUDIO R

J804OUTPUT

AUDIO L

AUDIO R

VOL+

REMOCONRECEIVER

VOL- CH+ CH- MENU

POWERLED

Q522H. OUT

SCREEN

EHV

V

H

DY01DEF YOKE

SPL

SPR

SCL1SDA1

V/Y

SCLSDA

AUDIO L/MONO

VIDEO OUTCF106

4.5 TRAPBUF

Yout1

CB

CR

BUF

IC650AUDIO AMP

AC INF901

POWER SW

D901RECT

T901SW

TRANSF.

IC974REG

L951

5V

8V

9V

32V

IC951ERROR

AMP

PC901VOLTAGE

FEEDBACK

IC901POWER

REG

MAIN PWB

SCL,SDA

10

8

7

3

1

V1-V

V1-L

V1-R

V2-Y

V2-V IC801VIDEO SW

29,30

V2-L

V2-R4

2

37

36

35

Vout2

Lout2

Rout2

43

44

42

V3-V

V3-L

V3-R

25

27

MTV-R

MTV-L

15

14

MTV-V13

Lout126

Rout124

Q111 Q109

47

48

46

Y

U

V

7 10,64

43

42

CIN

CVBS/YIN

62,63

2,3

IF IN224

IF IN123

SIF IN229

SIF IN128

IC701V/C DEF.

PROCESSOR

5,6

51ROUT

52GOUT

53BOUT

35QSS OUT

21,22VDRB(-)VDRA(+)

33HOUT

38IF VOUT

R

G

B

7

12

5

2

L, R

KEY_IN

REMOTE, LED

S901

IC9723.3V REG

3.3V_STB

J770HEADPHONE

JACK

19Yin1 Vout1

23

V01

BUF

BUFBUF

Q136

Q130

CF1416.0 FILTER

SCLSDA

1011Q137

1

30

8

23

CF1405.5 FILTER

CF1426.5 FILTER

BUF BUF

Q108 Q104

BUF

Q132

SF101SAW FILTER

SF102SAW FILTER

(SIF OUT)

IC130SOUND FMDETECTOR

IC602SOUND

PROCESSOR(3D SURROUND

& VOL/TONE)

CF1304.5 FILTER

AV-20NX3AV-20NX3

BLOCK DIAGRAM

No.520792-4No.52079 2-3

Page 5: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

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V

AUDIO_L

VIDEO

LOUT2

C1

V1

SD

A

EW

SC

L

RO

UT

1

LOU

T1

R

V

SC

L

EC

O

YO

UT

1

MS

PR

ES

ET

L

SD

A

R

MS

PR

ES

ET

MS

PR

ES

ET

SC

L

SD

A

VD

RB

_

CO

UT

1

PR

OT

EC

T

A_O

UT

_R

A_O

UT

_L

P_O

N/O

FF

P_O

N/O

FF SC

L

PR

OT

EC

T EW

VD

RA

+

RE

MO

TE

KE

YIN

VD

RB

_

LED

VD

RA

+

L

SD

A

NOTEXIST

I/OTH

A MUTE

1K 1/16W

QAU0185-005

0.01/504701/16W

470 1/16W

QAX0696-001Z

QAX0697-001Z

0

X

0

X QAX0642-001Z 4.5MHz BPF

QQL24K-180Z

470 1/16W1K 1/16W

∗4

QAX0639-001Z

10K 1/16W

TDA9386N22S0866

∗5

∗6

∗6

∗2

∗4

∗1

∗1

∗1

∗4

∗6

∗4

∗4

∗1

∗6

∗1

∗6

∗4

∗6

∗4

∗2

∗2

∗2

∗2

∗6

∗6

∗4

∗6

∗1

∗1

∗6

∗2

∗2

∗6

∗6

∗6

∗1

∗6

∗6

CIRCUIT DIAGRAMS

AV-20NX3

No.52079

AV-20NX3

2-5No.52079 2-6

MAIN PWB CIRCUIT DIAGRAM (1/3)

UN2212-X

∗6: 2SB709A/QR/-X

2SD601A/QR/-X

0: NRSA63J-0R0X

∗1: ∗2: MA111-X

X: NON MOUNT (OPEN)BUS WIREBW:

NOTE

∗4:∗5: 2SC1740S/QR/-T

MAIN PWB ASS'Y (1/3)

SCH-1123A-H2

4.8V

4.3V

4.9V

4.3V

4.8V

5.2V

4.3V

4.3V

6.9V

5.9V

4.8V

4.8V

4.3V

4.3V

5.7V

0V

0V

4.8V

8.9V3.0V

2.3V

6.4V

1.6V

0V

4.8V

4.3V

4.3V

4.1V

3.4V

4.1V

4.0V

2.6V

2.6V

4.8V

4.9V

4.1V

4.1V

4.4V

4.3V

4.3V

4.8V

3.4V

3.4V

8.9V

5.0V

0V

5.0V

7.1V

1.7V

6.5V

8.9V

4.1V

0V

0V

3.0V

4.2V

0V

8.9V

4.1V 4.7V

0V

0V0V

0V 2.9V4.2V

4.8V

1.5V

0.4V

2.6V

1.9V

2.7V

4.2V

7.8V

3.3V0V

3.7V

1.4V

3.4V

1.8V

2.5V

2.6V

2.5V

2.2V

5.7V

3.4V

3.4V

3.5V

3.3V0V

3.3V0V

1.5V

1.6V0V3.3V

5.0V

5.0V

5.1V

3.3V

2.5V

2.6V

3.3V

3.3V

5.0V

3.3V

2.8V

0V 0V 0V 2.3V

7.8V

4.9V

3.0V

3.9V

4.0V

0V 0.8V

0.9V

1.8V

1.8V

3.8V

3.7V

4.4V

1.9V

1.9V

2.0V

0V 0V0V

0V3.3V

0V

2.5V

5.0V 0V

5.0V

5.0V

0V 0V 0V 0V

0V

5.1V5.4V

3.3V

0V

0V

0V 0V

3.2V

2.8V

0V 5.1V

5.1V

0V 0V 0V

5.1V

4.5V

4.4V

5.1V

2.6V

2.6V

33.6

V

0V

-0.2V0V

-0.2V0.3V

0.2V8.9V

8.9V

0V0.7V 0V

17.9V

0V 0V 24.6

V

0V 12.2

V

0.7V

25.8

V

16.1

V

12.2

V

1.7V2.3V

0V

0V

0V

2.6V

4.5V

4.5V

4.5V

4.5V

4.5V

4.5V

1.4V

3.3V

3.3V

2.7V

8.9V

4.9V

3.7V

3.8V

0V

4.5V

4.5V

4.5V

4.5V

4.5V

4.5V

4.5V

0V2.6V

0V

4.5V

8.9V5.0V

4.3V

0V

0V-0.1V

0.2V

-0.1V

5.5V

5.1V 0V

5.1V

3.2V

IC801 7 IC801 23

3727IC801 IC801

IC701 33 IC701 42

IC701 43 IC701 47

IC701 51 IC701 52

IC701 53

IC701 21

IC701 22

3.0Vp-p(H)

2.9Vp-p(H)2.8Vp-p(H)

0.7Vp-p(H)

3.0Vp-p(H)

1.6Vp-p(H)

0.96Vp-p(V)

1.1Vp-p(V)

1.1Vp-p(V)

1.0Vp-p(H) 2.0Vp-p(H)

2.0Vp-p(H)1.8Vp-p(H)

TO CRT SOCKET PWB CN00T

VIDEO 1INPUT

COMPONENT(VIDEO 2)INPUT

OUTPUT

FRONT INPUT(VIDEO 3)

TO SPEAKER

Page 6: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

C532

Y908

D966

Y909

K955

D965

C955

R953

Y907

R379

C959

C957

R533

R965

R963

R964

Q953

K903

Y911

IC974

Y912

R531

R972

T901

Y906

D901

R590

C550

D909

R406

PC901

R908D952

C952

R545

IC480

C978

C953

D553

LF902

K951

C404

C979

R385

Q952

R991

R912

L480

R409C409

IC901

Y501

Y502

D911

C911

R414

R913

D401

C401

R425

R904

R401

CP952K953

D956

R960

R907

C960

C483

R494

R530

R487

K902

R909

Q480

CNDEG

C915

R905

C917

Y910

R911

C521

R902

Y913

Y917

D904

R484

Y918

C905

R485

D964

C910

D592

R906

R971

C484

R483

C485

R493

CP951

R407

R596

D907

R480

C593

L524

R486

D550

C993

Y916

C591

Q592

R490

D902

R489

Y915

D903

C901

C907

C527

R491

R492

R481 R482

C480

Y914

D594

C537

R917

D912

Q591

C965

C481D914

R952

C914

C902

R970

R915

D908

S901

C968

R541

C969

R593

D910

T551

R910

R969

C916

C973

R966

L954

C977

F901

R405

Y901

C422

Y902

Y903

C540

C535

C403

C408

C539

R411

R534

D593

VA901

C980

L951

R535

Y904

R597

D906

C962

IC972

TH901

D402

D408

C964

C974 R957

L540

D971

D968

Q954

RY901

C972

R527

D480

CN0PWLF901

C906

R413

D969

R543

C407

C412

R962

C992

C991

Q521

T521

R595

Q522

Y951

R540

R521 R522

C522

C523

R526

R524

CN00U

R402

C402

R403

R404

R408

IC951

C413

K954

C975 C976

L953

C536

C954

D953

R532

C956

D524

CN00S

D595

R539R538

Q523

Q524

R537

R536 C538

D596

D551

R546 R542

K401

R591

C529

C533

IC401

R528

C530

R529

R594

C541

C592

C525

C531

C534

C524

D554

D523

D521

D522

C526

C411

R961

C528

D954

CP953

C958

R410

C406

D405

R412

L523

Y505

Y731

Y504

Y503

CN0HV

C542

C961

Y507

R967

Y508

K901

Y509

D350

W-K1

R356

D360

Q352

Q374

Q375

Q376

D374

R377

R378 D373

R359

R358 C354

D352

R369

D357

R384

D358

C352

W-K

R366

SC

R362

Q360

CN10U

R365

R363

C372

Q361

L351

C361

R367

C360

D372

R370

R371

Q370

R373

R350

D361

R372

Q371

L353

L352

C371

R352

R374

Q350

R376

R355

C370

SK351

SK351

C373

R353

Q351

R383

C374

TP-E

R360

R361

CN10T

D371

L350

C351

R357

C350

D351

R351

D353

D370

R368

C353

R375

VD

RB

_

8V

AB

L

P_O

N/O

FF

C90

3

PR

OT

EC

T

C90

4

Y95

5

Y95

6

3.3V

_ST

B

5V_S

TB

9V H_D

RIV

E

D54

1

C90

8

32V

A.G

ND

A.V

CC H

FB

5V

VD

RA

+

EW

R59

2

Y55

1

Y55

2

C37

5

TP

-47R

/G

R36

4

TP

-47G

/R

R38

1

R38

2

R35

4

R38

0

D35

4

D35

5

D35

6

MA3068/M/-X

QQR1214-001Y

1SS133-T2

2KVQCZ0364-561

QCB32HK-471Z

FR

1/2W

QQR1114-001Z

AN80T36

QQS0182-001

!

GSIB460

PC123F2

!

3WOMRQRL039J-333

ERC30-02L38

QCB32HK-471Z

1/2W

NCB31HK-104X

RGP10J-5025-T3

QQR1035-001

!

1/4W

QRZ9046-825Z

!

STR-F6707A/F7

RGP10J-TS-T3 1/2W

RGP10J-5025-T3

1/2W

CP

RU3AM-LFC4

QQR1114-001Z

1/2W

QGZ5003C1-02

QFLC1HJ-222Z

QRM034J-R22

1/2W

15W,UNFRQRF154K-2R2

EG01C-T2

QCZ9015-102Z

MA3330/L/-X

NDC31HJ-471X

MA3075/H/-X

2WMFR

ICP-N75-Y

!

CP

QRT029J-1R8

MA3150/M/-X

QQLZ034-320

400VACQCZ9079-152

!

UN2212-X

MTZJ12C-T2

!

QEZ0552-227

QFZ0199-474

1SS133-T2

2SA1208/ST/Z1-T

ERC30-02L38

!

QRZ0111-474

!

MTZJ27B-T2

QSW0846-001

!

1/2W

FBT

1/2W

QQL244J-5R6Z

QMF51E2-4R0J4

!

TF

QCB32HK-101Z

QEHR1VM-227Z

TF

1% MF

QAF0052-621

!

QQLZ034-460

1%MF

QRT029J-1R5

EG01C-T2

R1141Q331B-X

50/60Hz

AC120V-240V

!

QAD0134-4R5

MTZJ75-T2

1/2W

QSK0092-001

!

QRL039J-103

PW

QGA7901F1-02

QFZ9072-224

!

NCF21HZ-334X

QCZ9079-102

!

QCZ9079-102

!

2SC2655/Y/-T

CE40203-00CJ1

H.OUT2SD2634-YD

1W

MY

MY

QRL039J-220

CHGC04-400-G

U

SE115N-LF12

MY

QQL244J-5R6Z

MYQRZ9017-4R7

QGA2501C5-05Z

RGP10J-5025-T3

1/2W

1/2W

QEHR1EM-108Z

AN5522

1/2W

QEZ0203-107

QEHR1EM-108Z

QFZ0200-103

RGP10J-5025-T3

RGP10J-5025-T3

NCF21HZ-334X

QRL029J-183

RGP30B-F1

ICP-N75-Y

!

CP

QFLC2AJ-683Z

1N4003-T2

1/2W

HV

QGZ5003C1-04

1/2W

1SS244-T2

1/2W

1/2W

RGP10J-5025-T3

QRZ9017-150

1/2W

STC344-T

CHGC04-400-G

2SA1321-T

MA3075/M/-X

STC344-T2SA1321-T

STC344-T

QNZ0537-001

!

QNZ0537-001

!

2SA1321-T

1/2W

1.25KVQCZ0364-222

B

T

QJL001-065631

1SS244-T2

1/2W

QC

Z90

15-1

02Z

QC

Z90

15-1

02Z

RG

P10

J-50

25-T

3

QF

Z02

09-2

22

QC

S32

HJ-

180Z

QC

B31

HK

-682

Z

X

X

X

X

100

X

10K

560p

X

0

10K

47K

X

BW

2.2K

390

X

X

.1

12K

33K

22

X

0.1

1000/35

X

X

39K

8.2M

1.2K

X

XX

BW

X

220/25

33 1/2W

12

1/50

68K

680

220K

XX

390

56K

100/160

X

X

X

X

470K

X

X

X

5.6K

47/35

BW

X

X

X

X

470p

X

18K

X

X

X

X

X

1.8

X

47/25

X

BW

100/10

X

X

X

X

220/400

X

X

X X

X

BW

X

X

X

2.2/50

X

3.3K

220/25

15K

.1

120k

X

X

0

1.5K

BW

X

100/16

6.8K

470/10

4A

6.8K

BW

1000/35

BW

BW

.1

100p/500

220/35

0.18

X

220

X

X

100/16

46

X

BW

1.5

10/50 47/16

.1 6.8

BW

47/35

10K

X

X

3.9W

X

560

2.2K

X

4.7

100 1K

.0033

.022

180

22

X

6800p

0

X

6.8K

.056/100

220/16 100/16

.01

.001

X

4.7

X

X

X

XX

X

X

X

X X

X

8.2K

BW

2.2K

4.7/250

1000/25

.47

X

.47

22K

22/250

X

1000/25

X

X

X

X

18K

X

2200/25

12K

.068/100

1

X

X

X

BW

X

2.2/50

BW

47K

BW

BW

BW

1K

33

22K

560

2.7K1/50

10K

4.7/250

1K

12K

100

1.8K

27K

BW

680p

1.5K

470p

150

12K

330

X

X

1.8K

BW

BW

820p

12K

100

1.5K

100

470pX

1.8K

390K

.0022

X

150

X

BW

680p

1.5K

470p

X

150

3.3K

100/50

1K

X BW

X

BW

BW

470/

16

330

X

X

330

X

8V

A.VCC

8V

5V_STB

3.3V_STB

5V_STB

3.3V_STB

9V

5V

STB

A.VCC

9V

5V

8V

9V

9V

32V

H_DRIVE

H_DRIVE

PROTECT

P_ON/OFF

32V

STB

L101QQW0156-001

POWER CORD

LIVE ISOLATED

QQD0081-001DY01

U!

!

!QQH0143-001

330K 1/2W

!

A48LWX10XV01

!

G

R

CRTGND

MAIN (CRT SOCKET)PWB ASS'Y (3/3)

SCH-1123 A-H2

GOUT

BOUT

QFZ9075-224

QFZ9075-104

1SS244-T2

22/250

AV-20NX3

No.520792-8No.52079 2-7

AV-20NX3

MAIN PWB CIRCUIT DIAGRAMS (2/3, 3/3)

MAIN PWB ASS'Y (2/3)

SCH-1123A-H2

2SD601A/QR/-X

0: NRSA63J-0R0X

1:2:6:

MA111-X

X: NON MOUNT (OPEN)BUS WIREBW:

NOTE

2SB709A/QR/-XQQR1113-001Z

∗∗∗

8:∗

IC401 1 IC401 3

62IC401 IC401

1.0Vp-p(H) 32Vp-p(H)

30Vp-p(V)0.8Vp-p(V)

52Vp-p(V)

0.8Vp-p(V)

IC401 5

7IC401

2.1Vp-p(H)

28Vp-p(H)

1.7Vp-p(H) 101Vp-p(H) 120Vp-p(H)

240Vp-p(H)7.8Vp-p(V)

Q521 B Q522 B

CQ521

T551 6

9T551

T551 7

25Vp-p(H)

T551 4

54Vp-p(H)

T551 8

1050Vp-p(H)

T551 10

2T551

TO MAIN PWB CN00T

FOR ADJ. CONNECTOR

DEF YOKE

DEG COIL

CRT SOCKET

8.9V

0V

5.1V 5.0V 9.0V 5.1V 9.9V 5.1V

0V

9.9V

135.4V

0V

0.6V

5.8V

0.5V 13.7V -13.7V-14.7V 13.8V0.7V 0.5V

0V

9.3V

14.5V-0.1V

135.4V135.0V

0V

5.1V0V

139.7V

3.4V 6.7V

139.8V136.7V

2.9V

138.4V 135.

7V

6.7V

138.4V

2.9V

3.4V

130.5V132.6V

6.7V

3.5V3.0V

8.9V0V

8.9V

0V

19.4V

302.2V

0.6V

2.1V

132.6V

0V

∗2

∗8

∗8

∗2

∗6

∗1

∗1

∗1

∗2

∗2

∗2

∗2 ∗2 ∗2

∗2

∗2

∗2

∗1

∗2

∗1

∗1

∗2

∗2

Page 7: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

AV-20NX3AV-20NX3

No.52079

PATTERN DIAGRAMS

2-9No.52079 2-10

MAIN PWB PATTERN

( )

( )

FRONT

B1

H

F

3

L I

ABCDFHI

J

JKLM

2

3

44

5

66

77

88

99

M

0

1

G

E

K

E

5

G

D

NC

IF

BM

I.NATTAPONG

4

A2

5

MARK

3 1

MICON

B

MARK

MARK

2

CI

CLAMP

SYNC

IF

POWER

40 33

35

3

12 10 1

25

4550

55

FC901

30

60

1

15

AV

5

CH- MENUVOL+

20

250VT4AL

FBT

9

7

6

5

4HEATER

3ABL

GND1

B1

8HFB

HB2

GND

#NAME?

#NAME?

10COL

A2

CH+VOL-REMOCON

BT

AGC

AS

SCL

SDA

/2!

51

6

11 20

1

15

64

1

10

E

1

32

MARK3

1

MARK

31

23

34

45

STEREO

510

5

8

VOL TONE/3D

14

5VLOCK

32V

DEF

7 5

CKF1672-BH1-1

1

1

4

N2

B

1

V2

1

E

HP

MARK

12

14

1

Q

02.05'02

Y301

R686

C002

C003

C101

C102

C106

C109

C130

C132

C133

C134

C135C140

C141C142

C143

K106

R315

R313

R314

C308

C401

C408

C409

C413

R779

C480

C481

C484

C485

C521

C524

C528

C529

C532C534

C535

C536C537

C602

C605

C606

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Page 8: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

TOPC

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( )

MAIN PWB (CRT SOCKET) PATTERN

No.52079

AV-20NX3

2-11

Page 9: COLOUR TELEVISION - Diagramas dediagramasde.com/diagramas/televisores/JVC AV-20NX3...No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR :

Printed in Japan0211 WPC

VICTOR COMPANY OF JAPAN, LIMITED 12,3-chome,Moriya-cho,Kanagawa-ku,Yokohama,Kanagawa-prefecture,221-8528,JapanHOME AV NETWORK BUSINESS UNIT.

AV20NX3-H #4