background image

ABC

D

E

F

G

H

ABC

D

E

F

G

H

2

1

3

4

5

6

7

8

2

1

3

4

5

6

7

8

CP806

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE:

THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

:SINCE THESE PARTS MARKED BY

CAUTION

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

DANS LA NOMENCLATURE DES PIECES

N’UTILISER QUE CELLS DECRITES

DANGEREUSES AN POINT DE VUE SECURITE

:LES PIECES REPAREES PAR UN

ETANT

ATTENTION

R456_1

0.68

2W

R402

820

3W

R448

1K

1W

TP401

+B

TP803

B

TP802

G

TP801

R

R810_1

47

1/2W

R447

681/2W

R450_1

4.7

2W

L402

20416A

GND

ABL

GND

GND

8

E8

TER

HEA

E27

E12

B+

E180

S

F

AFC

COL

HV

FB401

FQI-21B103

1

10

11

2

3

4

5

6

7

8

9

B

G

R

11

6

8

10

9

1
7
5

V801

A51QAE320X 47(P)

DEFLECTION SIGNAL

D407

1SS133

D411

1SS133

Q401

2SD2499

H.OUTPUT

CD801

SM1642-001

CP401

A1561WV2-A5P

1

2

3

4

5

CP402

003P-2100

1

T401

ETH14Y47AY

1

2

3

4

5

CP802B

B2013H02-5P

1

2

3

4

5

CP802A

B2013H02-5P

1

2

3

4

5

F

J801

CVT3275-5101

1

10

11

4

5

6

7

8

9

HS402

763WSA0016

HS401

763WSA0016

HS801

763WAA0217

CP801_1

A2361WV2-2P

1

2

IS NON POLAR ONE.

THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP

THE RESISTOR MARKED F IS FUSE RESISTOR.

NOTE:

IC401

TDA8357J

V.OUTPUT IC

123456789

IC801

TDA6107Q

VIDEO AMP IC

123456789

CD803

CH243401

R405

1.5

1/2W

R413

100K

1/4W

R407

47K1/4W

R412

5.6K

1/4W

R460

100

1/4W

R410

5.6K

1/4W

R404

470

1/2W

R490

22K

1/4W

R408

1.5

1/2W

R411

3.9K

1/4W

R409

1.5M

R401

2.2K

R403

2.2K

R805

100

R804

100

R806

100

R808

1K

R809

1K

R807

1K

R423

10K

1/4W

R414

10K1/4W

R419

470

1/2W

R455

390

1/2W

R801_1

1K

1/2W

R803_1

1K

1/2W

R802_1

1K

1/2W

C404

0.0022

500V

B

C423_1

0.33

250V

PMS

C424

0.0082

1.25KV

MPP

C416

27P

500V

SL

C417_2

0.01

100V

MMTS

C403_2

0.047

100V

MMTS

C819

0.001

2KV

R

C405

0.047

B

C401

0.047

B

C407

0.1

B

C802

0.0015

B

C420

56P

500V

SL

C803

0.1

250V

MKT

C408_1

0.1

F

C432_2

0.1

100V

MMTS

W822

W821

W823

W851

W831

W807

W824

W825

W917

C431

22

250V

MHE

C406

220

25V

MHE

C422

2.2

250V

MHE

C804

10

250V

MHE

D402

AU02A-EIC

D409

AU02A-EIC

D804

AU02A-B-EIC

D413

AU02A-EIC

D401

AU02A-EIC

D802

AU02A-EIC

D801

AU02A-EIC

D803

AU02A-EIC

Q405

2SC1627_Y

H-DRIVE

WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST

NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED

D406

MTZJ12B

D408

MTZJ18B

D403

MTZJ33B

D404

MTZJ33B

D410

MTZJ6.8B

C402_1

1000

50V

YK

C409

4.7

100V

MHE

C418

22

50V

YK

L802

56uH

L401

4.7mH

0909

Q402

2SA1624

EMERGENCY

CC002

TP-1S-05

S805Y

G.OUT

R.OUT

B.OUT

ICATH

12V

25V

V+

V-

H_OUT

H.PLUSE

ABL

GND

H_GND

H.DRV+B

+B

EMEGENCY

31.0

31.0

262.0

1.3

0

1.3

0

22.3

(MAIN PCB)

DEFLECTION/CRT SCHEMATIC DIAGRAM

TO CRT

SCREEN

0

0.1

0

FROM/TO POWER

NC

180V

GND

HEATER

NC

180V

GND

HEATER

(CD803A)

0

0

0

99.6

101.6

99.6

0

6.4

96.4

(CD803B)

FROM/TO MICON/CHROMA

FROM MICON/CHROMA

20

0

NC

SCREEN

FOCUS

TO DY

262.0

FOCUS

17

NC

NC

19

0.5

0

18

PCB010

PCB110

1.0

0.9

12.7

6.9

0

26.7

7.8

1.3

7.1

117.0

115.0

7.9

1.9

28.0

0

32.0

61.0

0

3.0

3.0

3.1

0

6.6

18.5

120.0

120.0

120.0

VI(3)

GND

IOM

VDD

VOC(3)

VOC(2)

VOC(1)

INA

INB

VP

OUTB

GND

VFB

OUTA

GUARD

FEEDB

VI(1)

VI(2)

21

22

23

16

0

TCB411

TMB553

21

R.OUT

B.OUT

G.OUT

ICATH

GND

R.OUT

B.OUT

G.OUT

ICATH

GND

G-5

G-6

(CRT PCB)

Содержание TX-21JT2C

Страница 1: ...Video 38 9MHz 34MHz Audio 32 9MHz 33 16MHz 33 4MHz Colour 34 47MHz PAL 34 5MHz 34 65MHz SECAM Video Audio Terminals AV1 IN Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 10kΩ RGB 21 pin Audio RCAx1 500mV rms 10kΩ Video RCAx1 1V p p 75Ω AV1 OUT Video 21 pin 1V p p 75Ω Audio 21 pin 500mV rms 1kΩ High Voltage 29kV 1kV Picture Tube A51QAE320X47P 51cm Audio Output 3W Music Power 8Ω Impedance Headphones...

Страница 2: ...h as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite LEAKAGE CURRENT HOT CHECK 1 Plug the a c cord directly into the a c outlet Do not use an isolation transformer for this check 2 Connect a...

Страница 3: ...SERVICE HINTS How to remove the rear cover 1 Remove the 5 screws as shown in Fig 2 LOCATION OF CONTROLS 3 Fig 2 SCREWS SCREWS Focus Screen CRT Board Main Board AV Board ...

Страница 4: ...Cut 0 63 7 Green Cut 0 63 8 Red Drive 0 63 9 Green Drive 0 63 10 Blue Drive 0 63 11 AGC 0 63 12 Sub Colour 0 63 13 Sub Brightness 0 63 Sub Colour Set sub colour to 16 Sub Brightness Set sub colour to 33 G2 alignment Before entering into service mode recall the nominal picture setting remote key N From this setting increase brightness by 11 steps and reduce sharpness to minimum Tune a colour bar si...

Страница 5: ...1 F S 2 3 HV B P CON 25V V 22 1 INA 39 14 Vp1 VCC P CON 8V 44 AM OUT TV AV EEPROM IC IC199 S 24C16AFJA TB 01 J701 2 6 47 46 48 28 35 11 7 15 R_IN G_IN B_IN 3 1 AUDIO_OUT EXT A IN Q601 BUFFER 1 2 FRONT VIDEO J702 1 2 FRONT AUDIO J703 H_OUT 33 Q401 H OUTPUT Q405 H DRIVE VIDEO AMP IC IC801 TDA6107Q CRT V801 8 7 9 VOC 3 VOC 2 VOC 1 VI 1 VI 2 VI 3 2 1 3 52 53 51 B_OUT G_OUT R_OUT 6 180V 42 CVBS Yin 6 V...

Страница 6: ...ATION 7 NOTE The numbers on the exploded view below refer to the mechanical section of the Replacement Parts List This diagram is used for representative purposes only 3 9 8 7 5 11 17 6 4 12 15 10 1 2 2 14 13 16 ...

Страница 7: ...J33B LED D101 SLR 342VCT32 DIODE D401 AU02A EIC DIODE D402 AU02A EIC DIODE D403 MTZJ33B DIODE D404 MTZJ33B ZENER DIODE D406 MTZJ12BT 77 DIODE D407 MA165TA5 ZENER DIODE D408 MTZJ18BT 77 DIODE D409 AU02A EIC ZENER DIODE D410 MTZJT 776 8B DIODE D411 MA165TA5 DIODE D413 AU02A EIC DIODE D501 RM11C EIC DIODE D502 RM11C EIC DIODE D503 RM11C EIC DIODE D504 RM11C EIC DIODE D505 SB290S DIODE D506 MTZJ5 6B Z...

Страница 8: ...RD25TJ101 0 25W 5 100 Ω S M CARB R119 ERJ6GEYJ101 0 1W 5 100 Ω S M CARB R120 ERJ6GEYJ101 0 1W 5 100 Ω S M CARB R123 ERJ6GEYJ101 0 1W 5 100 Ω S M CARB R124 ERJ6GEYJ103 0 1W 5 10K Ω CARBON R126 ERD25TJ470 0 25W 5 47 Ω S M CARB R401 ERJ6GEYJ222 0 1W 5 2K2 Ω METAL R402 ERG3FJ821 3W 5 820 Ω S M CARB R403 ERJ6GEYJ222 0 1W 5 2K2 Ω CARBON R404 ERD50TJ471 0 5W 5 470 Ω CARBON R405 ERD50TJ1R5 0 5W 5 1R5 Ω CA...

Страница 9: ...8 ERD25TJ821 0 25W 5 820 Ω CARBON R719 ERD25TJ102 0 25W 5 1K Ω CARBON R801 ERD50TJ102 0 5W 5 1K Ω CARBON R802 ERD50TJ102 0 5W 5 1K Ω CARBON R803 ERD50TJ102 0 5W 5 1K Ω S M CARB R804 ERJ6GEYJ101 0 1W 5 100 Ω S M CARB R805 ERJ6GEYJ101 0 1W 5 100 Ω S M CARB R806 ERJ6GEYJ101 0 1W 5 100 Ω S M CARB R807 ERJ6GEYJ102 0 1W 5 1K Ω S M CARB R808 ERJ6GEYJ102 0 1W 5 1K Ω S M CARB R809 ERJ6GEYJ102 0 1W 5 1K Ω F...

Страница 10: ...CT C640 ECA1VM101B 35V 100µF CERAMIC C641 ECKC1H222J 50V 2 2nF CERAMIC C642 ECKC1H561J 50V 560pF CERAMIC C646 ECKC1H560JB 50V 56pF CERAMIC C647 ECKC1H560JB 50V 56pF CERAMIC C648 ECKC1H102J 50V 1nF CERAMIC C650 ECKC1H103J 50V 100µF CERAMIC C655 ECKC1H102J 50V 1nF CERAMIC C656 ECKC1H223J 50V 22nF CERAMIC C702 ECKC1H102J 50V 1nF CERAMIC C703 ECKC1H471J 50V 470pF ELECT C704 ECA1CM100GB 16V 10µF CERAMI...

Страница 11: ...g and are subject to change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the earth of th...

Страница 12: ... MEASURED D001 MTZJ33B C602 100 16V KA C002 470 6 3V YK X101 100CT01207 12MHz IC101 TDA9360 MICON CHROMA IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 61 62 63 64 7 8 9 L603 68uH 0305 L102 10uH 0305 L104 10uH 0305 L601 10uH 0305 L101 10uH 0305 L001 10uH 0305 L604 0 33uH L605 1u...

Страница 13: ... 1 4W C1010 0 001 B C1009 0 001 B C709_1 0 001 CH C702 0 001 CH C703 470P CH C1003_1 0 0022 X C1012 0 001 CH C1013_1 0 001 CH W815 W810 W813 W804 C1008 47 16V KA C1007 47 16V KA C704 10 16V KA C1006 100 16V YK C1002 10 50V YK C1001_1 470 16V YK C1011_1 470 16V YK WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART W...

Страница 14: ...10K 1 4W R414 10K 1 4W R419 470 1 2W R455 390 1 2W R801_1 1K 1 2W R803_1 1K 1 2W R802_1 1K 1 2W C404 0 0022 500V B C423_1 0 33 250V PMS C424 0 0082 1 25KV MPP C416 27P 500V SL C417_2 0 01 100V MMTS C403_2 0 047 100V MMTS C819 0 001 2KV R C405 0 047 B C401 0 047 B C407 0 1 B C802 0 0015 B C420 56P 500V SL C803 0 1 250V MKT C408_1 0 1 F C432_2 0 1 100V MMTS W822 W821 W823 W851 W831 W807 W824 W825 W9...

Страница 15: ...C507 0 001 2KV B C506 0 001 2KV B C503 220P 2KV R C501_2 0 1 275V ECQUL C535 0 0022 250V KX C508 0 001 250V KX C527 220P 250V KX C509 0 022 M C518 0 01 B C502 0 001 M C504 0 047 M C516 470P 500V B C517 680P 2KV R C526_2 0 22 275V ECQUL W809 W808 W819 W818 C511 47 25V YK C514 470 16V YK C541 1000 25V YK D512 1N4937 D503 RM11C EIC D501 RM11C EIC D504 RM11C EIC D510_1 30DF6 FC D521 1SS133 D502 RM11C ...

Страница 16: ... W012 CP802A W014 L601 W011 W026 L603 C626 R719 W037 W038 W013 W027 CP802B CP801_1 TP801 R801_1 TP803 TP802 R802_1 HS801 IC801 D802 D801 D803 R803_1 R718 R1009 R1010 CD701B J1001 J703 J702 C631 W055 CF604 L602 R633 C803 R632 C629 R631 W046 D602 W043 R001 W831 D603 R117 C1010 C1008 R521 IC401 C402_1 W049 D410 C541 C406 C1011_1 C1001_1 C1007 W050 TP002 W804 CP701A W025 W029 W016 C109 C602 C619 C616 ...

Страница 17: ... R645 R644 C642 R650 R646 R648 R640 C639 C638 C637 R639 C636 C635 R637 C627 R626 R627 C634 C632 R628 C628 R634 R625 R623 R804 R806 R807 R808 R809 C802 R805 C703 R717 Q607 R710 R629 Q606 R630 C630 Q608 R642 R641 C641 R643 R636 R624 R651 Q504 Q505 R526 C1009 R531 R652 R635 R711 C646 W815 Q513 Q506 Q512 IC199 R115 C518 R123 R124 C647 R654 R657 Q609 C650 R656 R655 C648 R621 L706 R702 C606 R537 R528 R5...

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