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1.9Vp-p(H)

0.68Vp-p(V)

IC401

2

Q521

B

Q522

B

T551

5

T551

4

T551

1

T551

7

Q521

C

T551

2

T551

9

IC401

1

2.4Vp-p(H)

1.5Vp-p(H)

120Vp-p(H)

144Vp-p(H)

100Vp-p(H)

50Vp-p(H)

7.4Vp-p(H)

IC401

7

IC401

5

IC401

6

IC401

3

0.47Vp-p(V)

26Vp-p(H)

1040Vp-p(H)

T551

3

64Vp-p(H)

28Vp-p(H)

64Vp-p(V)

28Vp-p(V)

-97.4V

-81.4V

-82.0V

25.3V

0V

0V

0V

0.7V

0V

0V

0V

135.8V

9.1V 10.3V

5.0V 3.2V

0V

23.0V

0V

28.8V

28.8V

28.9V

21.9V

0V

0V

8.0V

12.1V

3.3V

7.1V

-37.2V

-81.2V

-189.8V

-100.5V

-99.6V

0.3V

0V

12.5V -10.1V -12.3V

12.8V 0.3V

0V

0V

0V

0V

0V

0V

0V

0V

0V

0V

0V

0V

5.0V

2.4V

2.4V

2.2V

9V 4.6V 2.1V 2.1V

1.9V 4.4V 4.4V 0V

0V

0V

0V

0V

21.8V

-0.1V

0.6V

21.6V

0V

0V

0V

0V

0V

0V

5.0V

135.4V

135.7V

560P

QCB32HK-561Z

C532

1SS133-T2

D917

MA3047/L/-X

D966

QQR1214-001Y

K955

QCB32HK-181Z

C917

X

D965

470p

QCB32HK-471Z

C955

1.5K
1/2W

R953

1.8K

1/2W

R972

560p/2kV

QCZ0364-561

C959

470p

C957

QQS0110-001

!

T901

0

R965

3.3K
1/2W

R963

10K

R964

Q953

3.3K

1/2W

R973

X

C912

QQL244K-220Z

L541

15K

R970

X

C969

8V

QCZ0325-151

C919

X

K956

1.8K

R531

QQR1214-001Y

K951

33

QRG01GJ-330

R955

RGP10J-5025-T3

D911

X

R571

QGZ5003C1-02

QQW0150-001

CNDEG

L01

X

K952

1000P/2KV

QCZ0325-102

C909

4.7K

R406

QQL26AK-820Z

L954

PC123F2

!

VOLTAGE FEEDBACK

PC901

QAD0145-2R3

TH901

ERC30-02L38

D952

470p

QCB32HK-471Z

C952

100/16

C966

QQR1356-001

!

!

!

!

!

LF901

UPC358G2-XE

IC480

0.1

NCB21HK-104X

C978

2200/35

QEHQ1VM-228

C953

RGP10J-5025-T3

D553

MTZJ27B-T2

D906

2.2/250

QENC2AM-225Z

C529

QFZ9075-104

!

C902

QGA2501C5-06Z

CN00U

X

C404

X

C979

220

1/2W

R904

STR-F6256S-F7

IC901

BW

L952

QRZ9017-100

!

!

R913

X

C571

QQR1138-001

L480

X

R409

X

C409

JLC1562BF-X

IC461

MTZJ33B-T2

D907

RGP10J-5025-T3

D950

0

D914

1SS133-T2

D919

2.2

1/2W

R414

4.7/50

C916

RGP10J-5025-T3

D401

33/50

C401

15K

R425

12K

R401

ICP-N38-Y

CP

IC PROTECT

CP952

QQR1214-001Y

K953

470p

QCZ0122-471

C920

31DF6N-FC5

D956

RO

TAT

IO

N

220/160

QEZ0203-227

C960

PR

O

TECT

330

QRL039J-330

R494

P_ON/OFF

X

R530

33K

R487

.001

C981

82K

R915

2SD1408/OY/-LB
PIN OUT

Q480

MTZJ33B-T2

D902

*3

D408

ABL

MTZJ39B-T2

D915

X

D903

47/35

C521

MTZJ15B-T2

D916

220/16

C983

MTZJ9.1B-T2

D970

5.6K

R484

X

C976

22/100

C922

X

D525

100

R478

12K

R485

MA3330/L/-X

D964

12K

1/2W

R912

MA3075/H/-X

D592

BW

D957

3.3V_STB

X

C484

82K

R483

22/50

C485

22K

1/2W

R493

ICP-N75-Y

!

!

CP

CP951

X

R407

QGZ5003C1-06

HV

CN0HV

150k

R916

X

C901

680

1/2W

R480

47/25

C593

100/35

C911

2.7K

R486

47/16

C982

BA17812T

IC973

100/16

C591

UN2212-X

FBT PROTECTOR

Q592

1K

R490

Q952

1.2K

R489

82

QRL039J-820

R958

8.2K
1/2W

R546

4.7/250

QEZ0195-475Z

C483

QCB32HK-222Z

C915

MTZJ15B-T2

D920

X

Y906

Q955

X

Y522

QFZ0199-224

C527

X

Q572

5.6K

R491

8.2K

R492

22K

R481

5.6K

R482

10/50

C480

18K

R971

X

D594

X

C537

680

R962

330

R968

X

C572

2SA1208/ST/Z1-T
FBT PROTECTOR

Q591

X

C481

X

R575

QRZ9011-4R7

R547

X

R533

X

Y903

X

Y571

X

R585

X

Y904

X

W-M

X

Y901

X

Y572

47/16

C961

X

Y902

X

W-M1

1SS133-T2

D909

1.2

2W

R974

47/35

C965

BA51W12ST-V5

IC974

120K
1/2W

R542

22
1/2W

R545

22K

1/2W

R951

3.3K

R593

2.2K

R952

BW

D921

5V_STB

X

D908

22K

R966

12V

2SC3852A

Q901

9V

BW

D959

100/16

C980

5.6
1/2W

R957

.1

NCB31CK-104X

C974

QQR1214-001Y

K902

RGP10J-5025-T3

D912

H_DRIVE

0.047

C921

100/16

C970

QQR1214-001Y

K901

.1

NCB31CK-104X

C968

10/50

C471

6.8K

R405

10K

R908

1000/35

C422

1.5k

1/2W

R911

X

1/2W

R921

390

R960

.1

TF

C540

X

C535

100/35
QEHR1VM-107Z

C403

X

C408

X

C539

220

1W OMF

R411

x

R907

X

1%
MF

R534

RGP10J-5025-T3

D541

X

D593

1SR35-400A-T2

D955

46

QQLZ034-460

L951

QQL26AK-220Z

L401

X

1%

MF

R535

47/25

C972

47/25

C964

32V

L88M33T-X

IC972

82 1/2W

R959

2.2

15W UNF R

QRF154K-2R2

R902

39K

3W

QRL039J-393

R903

12 1/2W

R956

X

L522

MTZJ75-T2

D402

470/16

C963

10/50

C962

15 1/2W

R954

100

R479

MTZJ5.1A-T2

D958

10k 3W OMF

QRL039J-103

R527

150

QRL039J-151

R523

MTZJ4.3A-T2

D480

X

C542

CN01V

CHT34KK3-16

CN02V

1.2

R413

0

D971

470
1/2W

R543

QCS32HJ-180Z

C407

1000p

C910

X

CN02H

1.5

2W

R969

.1

NCB31CK-104X

C550

NCF21HZ-334X

C412

D550

47K

R967

X

CN01H

D968

Q954

QSK0061-001

!

RY901

D969

.1

R905

QQH0139-001

!

T551

CN02Z

2SC2655/Y/-T

Q521

QQR1229-001

T521

2.2k

R595

2SA1013/RO/-T

Q951

1.5

1/4W

R906

A.GND

A.VCC

H.OUT

2SD2634-YD

Q522

QQR1214-001Y

K903

HFB

100

R521

5V

1K

R522

.0033

CC

C522

.022

CC

C523

270

QRL029J-271

R526

47K

QRL039J-473

R914

.001

AC400V

QCZ9015-102Z

C905

150

QRL039J-151

R524

SD

A

SCL

QCZ9079-102

!

C992

330/400

QEZ0371-337

C907

X

C973

.001

AC400V
QCZ9079-102

!

C991

X

R402

6.8n

C402

VDRA+

VDRB_

0

R403

CHT34KK8-32

CN01Z

X

R404

6.8K

R408

SE135N

ERROR AMP.

IC951

QQL244J-5R6Z

L953

.056/100

CC

C413

QQR1214-001Y

K954

.01

MY

C536

X

C954

RGP10J-5025-T3

D953

RGP10M-5010-T3

D913

4.7

1/4W FR

QRZ9017-4R7

R532

100/35

QETN1VM-107Z

C956

8.2M

1W

QRZ0057-825

!

R991

X

D524

EW

QGA2501C5-05Z

CN00S

X

D595

X

R539

X

R538

X

Q523

X

Q524

X

R537

2.2

QRZ0225-2R2

R592

X

R536

X

C538

X

D596

X

R577

X

R576

X

Q571

X

R574

X

R573

X

R572

EU2-T3

D551

X

C575

X

C573

X

V_DAF

Q574

X

Q575

120K
1/2W

R541

X

V_DAF

Q573

12K 1/2W

QRA14CF-1202Y

R591

1000/25

QEHR1EM-108Z

C533

X

MY

C574

X

R582

GSIB460

D901

X

R581

X

R584

LA78041

VERT OUT

IC401

1

FR 1W

QRZ9021-1R0

R528

560p/500

QCB32HK-561Z

C530

X

R579

X

R580

1

FR 1W

QRZ9021-1R0

R529

18k

1/2W

R594

10/250

C541

X

R583

X

R578

X

1/2W

R568

X

1/2W

R567

X

1/2W

R566

X

1/2W

R565

X

1/2W

R564

X

C565

220/160
QETM2CM-227

C592

QFZ0200-143

C525

X

D562

1000/25

QEHR1EM-108Z

C531

X

D561

560P

QCB32HK-561Z

C534

X

C564

X

C563

X

Y561

QFZ0200-113

C566

QFZ0196-382

C524

RGP10J-5025-T3

D554

RGP10J-5025-T3

D523

RH3G-F1

D521

31DF6N-FC5

D522

.022

400V PP

QFP32JJ-223

C526

NCF21HZ-334X

C411

22k

2W OMF

QRL029J-223

R961

0.22

QFZ0199-224

C528

.01/500

QCB32HK-103

C918

RU30A-F1

D954

ICP-N38-Y

!

CP

IC PROTECT

CP953

220/16

C975

47/25

C977

D960

1000/16

C958

.001

AC400V

QCZ9015-102Z

C903

.001

AC400V

QCZ9015-102Z

C904

QCZ9079-471

!

C993

4.7K

R410

QFLC2AJ-683Z

C406

QQR1153-001

T561

22

2W OMF

QRL029J-220

R561

12k

1/2W

R562

QFV11HJ-683Z

C561

QQLZ028-272

L561

10k

QRZ0056-103Z

R563

1N4003-T2

D405

1

1/2W

R412

QGA7901C1-02

CN00W

QQR1243-001

L523

9V

H_DRIVE

5V

5V

A.VCC

8V

9V

9V

32V

H_DRIVE

A.VCC

32V

STB

STB

8V

9V

GND
X-RAY1
X-RAY2
NC
B1

HEATER
GND
NC
HB

NC

STB

5VSTB

B1

D

DAF OUT

FB/OLP

Vcc

S/GND

C407

DY01

OCP

FBT

QQD0057-001

IN

CTL

A0

SCL

SD

A

A1

A2

D0

FOCUS1

DAF IN

(DYNAMIC)

(STATIC)

D3

D1

D2

VSS

NC

VDD

D7

D6

D5

D4

V.DY

H.DY

SCREEN

FOCUS2

EHV

ISOLATED

-Vcc

Vcc

PUMP UP

THERMAL
PROTECTION

AC
AC

LIVE

2SC2412K/QR/-X

0:

NRSA63J-0R0X

1: 

3: MA111-X

X:

NON MOUNT (OPEN)

BUS WIRE

BW:

NOTE

ANODE WIRE ASS’Y: QNZ0369-001

(Not including ANODE WIRE ASS’Y)

*1

*1

*1

*3

3

1

3

3

DEF YOKE

FOR ADJ. 
CONNECTOR

TO CRT SOCKET
PWB CN00U

TO
FRONT CONTROL
PWB CN00W

DEG COIL

MAIN PWB ASS’Y (2/2)

SCH-1108A-H2 (AV-29LS2)

AV-29LS2

No.52062

2-8

No.52062

2-7

AV-29LS2

MAIN PWB CIRCUIT DIAGRAM (2/2) [AV-29LS2]

Содержание AV-29LS2

Страница 1: ...I MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 TV RM C1024 RM C1023 1H AV 2968TEE RM C1020 1H AV 29LS2 RM C1024 1H AV 29LX2 AV 29LX2 A AV 29LS2 AV 29LX2 AV 29LX2 A AV 2968TEE No 52062 Sep 2002 AV 29LS2 AV 29LX2 AV 2968TEE BASIC CHASSIS CH COPYRIGHT 2002 VICTOR COMPANY OF JAPAN LTD SERVICE MANUAL COLO...

Страница 2: ...itance value µF withstand voltage V Type No indication Ceramic capacitor MY Mylar capacitor MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit µH Others As specified 4 Power Supply B1 B2 12V 9V 5V 9Respective voltage values are indic...

Страница 3: ...CONTENTS SEMICONDUCTOR SHAPES 2 2 BLOCK DIAGRAM 2 3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 2 AV 29LS2 2 5 MAIN PWB CIRCUIT DIAGRAM 2 2 AV 29LS2 2 7 MAIN PWB CIRCUIT DIAGRAM 1 2 AV 29LX2 AV 29LX2 A AV 2968TEE 2 9 MAIN PWB CIRCUIT DIAGRAM 2 2 AV 29LX2 AV 29LX2 A AV 2968TEE 2 11 CRT SOCKET PWB CIRCUIT DIAGRAM 2 13 FRONT CONTROL PWB CIRCUIT DIAGRAM 2 15 PATTERN DIAGRAMS MAIN PWB PATTERN 2 17 CRT ...

Страница 4: ...2 R 4 2 37 36 35 Vout2 Lout2 Rout2 43 44 42 V3 V V3 L V3 R 25 1 3 16 14 27 MTV R MTV L 15 14 MTV V 13 Lout1 26 Rout1 24 Q108 Q106 BUF BUF Q105 BUF Q110 Q104 47 48 46 Y U V 7 10 64 43 42 CIN CVBS YIN 62 63 2 3 IF IN2 24 IF IN1 23 SIF IN2 29 SIF IN1 28 IC701 V C DEF PROCESSOR 5 6 51 ROUT 52 GOUT 53 BOUT 35 QSS OUT 21 22 VDRB VDRA 33 HOUT 38 IF VOUT R G B Q150 2 30 31 13 23 9 3 L R KEY_IN REMOTE LED ...

Страница 5: ... YIN W YOUT W YOUT1 W YIN1 75 R006 10K R663 100 R731 3 9K 1 R732 27K R733 BW L730 QJK002 063231 CN00T 10 QQL244K 100Z L702 100 16 C707 100 16 C732 1 50 C736 2 2 50 C740 33p CH C704 33p CH C703 1 NCB31CK 104X C733 22 80 C731 0022 C734 2 2n C735 1 C738 1 50 C737 1 NFV41CJ 104X C739 QAX0737 001 12MHZ X701 Q702 10K R716 10K R717 Q701 100 R715 100 R714 10 QQL244K 100Z L701 MA3020 X D702 MA3120 M X D801...

Страница 6: ...W R911 X 1 2W R921 390 R960 1 TF C540 X C535 100 35 QEHR1VM 107Z C403 X C408 X C539 220 1W OMF R411 x R907 X 1 MF R534 RGP10J 5025 T3 D541 X D593 1SR35 400A T2 D955 46 QQLZ034 460 L951 QQL26AK 220Z L401 X 1 MF R535 47 25 C972 47 25 C964 32V L88M33T X IC972 82 1 2W R959 2 2 15W UNF R QRF154K 2R2 R902 39K 3W QRL039J 393 R903 12 1 2W R956 X L522 MTZJ75 T2 D402 470 16 C963 10 50 C962 15 1 2W R954 100 ...

Страница 7: ... 2 2 50 C740 33p CH C704 33p CH C703 1 NCB31CK 104X C733 22 80 C731 0022 C734 2 2n C735 1 C738 1 50 C737 1 NFV41CJ 104X C739 QAX0737 001 12MHZ X701 Q702 10K R716 10K R717 Q701 100 R715 100 R714 10 QQL244K 100Z L701 MA3020 X D702 MA3120 M X D801 MA3120 M X D802 1 C826 470 16 C709 470 R149 22 C710 10 50 C749 2 7k R737 100K R653 100 QQL244J 101Z L731 D730 D731 100K R655 100 16 C743 1 C742 100K R735 3...

Страница 8: ... Y T Q521 QQR1229 001 T521 2 2k R595 2SA1013 RO T Q951 1 5 1 4W R906 A GND A VCC H OUT 2SD2634 YD Q522 QQR1214 001Y K903 HFB 100 R521 5V 1K R522 0033 CC C522 022 CC C523 270 QRL029J 271 R526 47K QRL039J 473 R914 001 AC400V QCZ9015 102Z C905 150 QRL039J 151 R524 SDA SCL QCZ9079 102 C992 330 400 QEZ0371 337 C907 X C973 001 AC400V QCZ9079 102 C991 X R402 6 8n C402 VDRA VDRB_ 0 R403 CHT34KK8 32 CN01Z ...

Страница 9: ...001 QGZ0017C1 01Z CN0SC X R160 W A1 X R169 W A2 QGA2501C5 06Z CN00T X D128 1 50 C120 100 R122 33K 1 2 R166 X Y203 MTZJ30A T2 D141 E2 Q104 Q105 Q106 100 R110 100 R111 CE41925 001 DL262 100 R112 10K R168 9 Q135 56K R113 2 2K R252 SK001 470K QRZ0107 474Z R157 220 16 C267 0 R211 8 2K R251 01 25 NCB31HK 103X C255 3 3K R170 56K R254 22K R255 D107 K203 01 C121 680 R171 MTZJ30A T2 D142 47 R136 MTZJ30AT2 D...

Страница 10: ...1 100K R489 X R490 68K R483 33K R486 3 3K R487 150K R488 5 6K R485 22 NCB21EK 224X C482 22 NCB21EK 224X C481 22 NCB21EK 224X C484 22 NCB21EK 224X C483 47 25 C485 0 R491 5 6K R484 2 2K NRSA63J 222X R830 X R827 2 2K NRSA63J 222X R831 X R828 0 R826 BW C814 QGA2501C5 03Z CN00R X D491 QJB003 035433 CN00A 1000 35 QETM1VM 108 C661 1000 35 QETM1VM 108 C660 100 16 C815 X R820 2 7K R819 0 Y401 AUDIO_L AUDIO...

Страница 11: ...Hz 32 5MHz 5 5MHz 33 5MHz 4 5MHz Colour Sub Carrier Frequency PAL 4 43MHz SECAM 4 40625MHz 4 25MHz NTSC 3 58MHz 4 43MHz Aerial Input Terminal 75Ø Unbalanced Power Input AC110 240V 50 60Hz Power Consumption 175W Max 116W Avg Picture Tube Visible size 68cm measured diagonally High Voltage 32 0kV 1 1 5kV at cut off in service mode Speaker 5 12cm Oval type 2 Audio Output 7W 7W Video Audio Input 1 2 3 ...

Страница 12: ...E SIZE SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV TEXT TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN REVEAL SUBPAGE CANCEL TV TEXT HOLD RM C1020 INDEX STORE MODE SIZE SYSTEM COLOUR SOUND MENU CHANNEL RETURN POWER DISPLAY TV TEXT TV VIDEO VOLUME 1 2 3 4 5 6 7 8 9 0 I II MUTING OFF TIMER ECO SENSOR PICTURE MODE CHANNEL SCAN SYSTEM COLOUR SOUN...

Страница 13: ...E CONTROL BASE After removing the rear cover and the chassis 1 While pushing down the 2 claws marked as shown in Fig 2 and pull out the Control base in the direction of arrow marked Ï as shown in Fig 2 the control base can be removed If necessary take off the wire connector s etc REMOVING THE SPEAKER After removing the rear cover 1 Remove the 4 screws marked and 2 screws marked Ó as shown in Fig 1...

Страница 14: ...ey 4 Press the DISPLAY key twice to return to the normal screen 5 Receive channel setting Refer to the OPERATING INSTRUCTIONS and set the receive channels channels preset 6 User setting Check the user setting values in Table 2 and if setting value is different set the correct value For setting refer to the OPERATING INSTRUCTIONS 7 Setting of SERVICE MENU Verify the setting for each setting item in...

Страница 15: ...9LX2 AV 29LS2 SYSTEM COMB TILT TEXT SUPER BASS LANGUAGE MSP BILINGUAL B B SOUND TUNER COLOUR AUTO LOCK 1MHz 500KHz 250KHz 156 25KHz 31 25KHz 3D SURROUND 3CH VOL TONE AMP TUNER MULTI MU NO 040 040 000 240 040 030 030 YES YES NO ERCMI ERAPU NO E R C M I E R C E C ERCMI NO NO YES YES NO NO E R A P E R A P U NO NO AV 2968TEE AV 29LX2 A YES ERAPU NO NO YES E R A P U E R A P E R U E R C M I SETTING OF S...

Страница 16: ...ME 15 2 TV VIDEO TV VNR OFF COMPRESS 16 9 OFF AUTO SHUTOFF OFF CHILD LOCK OFF BLUE BACK ON VIDEO 2 SET VIDEO LANGUAGE ENG AI VOLUME ON ON SCREEN DISPLAY POSITION INDICATION COLOUR SYSTEM PAL SOUND SYSTEM B G STEREO MODE STEREO AV 29LS2 only PICTURE MODE VSM BRIGHT OFF TIMER 00 ECO SENSOR OFF BASS CENTRE TREBLE CENTRE BALANCE CENTRE USER SETTING VALUES Table 2 ...

Страница 17: ...NT BRIGHT STD SOFT 2 COLOUR 3 BRIGHT 4 PICTURE 5 DETAIL Service menu Setting item SERVICE MENU SETTING ITEMS Service menu Setting item 5 PRESET 1 PSNS 2 ACL 3 MUS 4 MAT 5 FCO 6 BPS 7 IFLH 8 VID 9 STM 10 AFCW 11 VSW 12 FFI 13 AGC 14 CL 15 AKB 16 HBL 17 BKS 18 READ STATUS 19 VNR 20 PEAK 21 IVG 22 WPL 23 SOFT CLIPPER 24 IF PLL OFFSET 25 OVERSHOOT 26 HCO 27 HP2 28 AI VOLUME ADN 31 CCCLOOP 6 A2NICAM 1 ...

Страница 18: ...ote control unit Setting item Setting value PICTURE MODE VSM BRIGHT VNR OFF BASS TREBLE BALANCE CENTRE TINT COLOUR BRIGHT DETAIL CENTRE PICTURE MAXIMUM MEASURING INSTRUMENT 1 DC voltmeter or Digital voltmeter 2 Oscilloscope 3 Signal generator Pattern generator PAL SECAM NTSC 4 Remote control unit ADJUSTMENT ITEMS B1 POWER SUPPLY FOCUS ADJUSTMENT IF CIRCUIT ADJUSTMENTS Adjustment of VCO CW Adjustme...

Страница 19: ... the keys 1 to 7 on the remote control unit and select the SUB MENU SCREEN from the SERVICE MENU See Fig 1 on the next page SERVICE MENU SUB MENU 1 IF 2 VC 3 DEF 4 VSM PRESET 5 PRESET 6 A2NICAM AV 29LS2 only 6 7 PLUG PLAY ON 3 Method of Setting Once the setting values are set they are memorized automatically It must not adjust without inputting a signal 1 1 IF 1 VCO a 1 Key Select 1 IF b 1 Key Sel...

Страница 20: ... 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 3 DEF 50Hz AUTO 1 CUTOFF R G V C PAL 1 VER SLOPE DEF MHz A2NICAM 4 3 MENU 89 SELECT MENU OPERATE DISPLAY EXIT MENU 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 5 PRESET PAL B G 1 PSNS PRESET 50Hz MENU 89 SELECT MENU OPERATE DISPLAY EXIT SUB MENU 4 VSM PRESET TINT COLOUR BRIGHT PICTURE DETAIL STANDARD MENU 89 SELECT MENU OPERATE DISPLAY EXIT 1 PSNS 2 AC...

Страница 21: ...reen gets darkened Adjustment of VCO CW VCO CW Item Measuring instrument Test point Adjustment part Description IF CIRCUIT ADJUSTMENTS Remote control unit Note Under normal conditions no adjustment is required 1 Select 1 IF from the SERVICE MENU 2 Select 1 VCO by pressing the 1 key on the remote control unit 3 Receive a broadcast signal 4 Check the characters colour of the BELOW REFERENCE displaye...

Страница 22: ...s on the remote control unit 4 Press the 1 key on the remote control unit to produce a single hori zontal line 5 Turn the SCREENVR fully counterclockwise then slowly turn it clock wise to where a red blue or green colour is faintly visible 6 Use the keys 4 and 7 or 5 and 8 on the remote control unit and adjust the other 2 colours to where the single horizontal line ap pears white 7 Turn the SCREEN...

Страница 23: ... 4 CONT with the MENU key 4 Set the initial setting value with the MENU Tkey 5 If the contrast is not best with the initial setting value make fine adjustment until you get the best contrast 6 Press the DISPLAY key twice to return to the normal screen 4 CONT Adjustment of WHITE BALANCE High light Signal generator Remote control unit 2 DRIVE R DRIVE G DRIVE B Notes Proceed to the following adjustme...

Страница 24: ...tch the YV Fig 6 and 8 3 Repeat the steps 1 and 2 obtain an optimum convergence 4 Differential coil ADJUSTMENT In case where the horizontal lines of red and blue around the center of both sides of the picture as shown in Fig 7 adjust the XV differ ence by using the differential coil on the top of the deflection yoke Fig 8 so as to minimize the XV difference After adjustment fix the wedge at the or...

Страница 25: ...otection An over current on the low B line is detected Operation of CRT NECK protec tion circuit The main microcomputer detects the possible abnormality at 30 msec intervals and judges the results in every 16 time Of the 16 times if NG is detected more than 9 times it is judged that there is an abnormality DITTO When an abnormality has been detected the SUB POWER is turned off While the SUB POWER ...

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