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

R503

5.6

7W

IC506

LTV-817M-VB

FEED BACK

1

2

3

4

VR501

1K

+B ADJ.

F501

50T040H

T4A_L_250V

FH502

EYF-52BC

FH501

EYF-52BC

2

1

L503

8R200015

DEGAUSS COIL

CAUTION: DIGITAL TRANSISTOR

L501

0R8A393F28Y

COIL,LINE FILTER

1

2

3

4

SW501

SDKVA30100

MAIN SWITCH

1

2

3

4

5

6

IC502

KIA7808API

8V REG. IC

123

IC501

KIA7805API

5V REG. IC

123

RY501

ALKS329

1

2

3

4

T502

0628001

1

2

3

4

5

6

7

8

9

T501

8129098S

1

10

11

12

13

14

15

16

17

18

2

3

5

6

7

8

CP501

A3963WV2-3PD

1

2

S

D

G

Q511

2SK2647-01MR

POWER

Q513

KRC102SRTK

SW

Q512

KRA102SRTK

SW

Q506

KRA102SRTK

SW

P

H

TH501

B59104-T80-B10

1

2

3

21

CD501_1

0G650809

AC220-240V_50Hz

CAUTION: DIGITAL TRANSISTOR

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

R502

0.82

1W

R508

33

3W

R511

330

1W

R510

0.22

1W

HS503

763WAA0162

B502

W4BRH3.5X6X1

B504

W5RH3.5X5X1.0

CP502

A1561WV2-2P

1

2

L502

W5T29X7.5X19

R529

100

1/4W

R516

3.3K

1/4W

R501

1.5M

1/2W

R507

100

1/4W

R538

270

1/4W

R524

1501/4W

R523

10

1/4W

R522

270

1/4W

R514

100K

1/2W

R512

1K

R513

1.5K

R531

10K

R504

2.2M

1/2W

R506

2.2M1/2W

R519

1K

1/4W

R526

100K

R528

1K

R533

1K

R515

4.7K

R525

470

R537

100

R532

3.3K

1/4W

R505

100

1/4W

R521

1K1/2W

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-EIC

D517

1SS133

D509

1SS133

D525

1SS133

D513

SB290S

D518

1SS133

D516

SB290S

D508

SB290S

D515

1SS133

D533

1N4005-EIC

D534

1N4005-EIC

D529

1N4005-EIC

D532

1N4005-EIC

D530

1SS133

D524

SB290S

D505

SB290S

D514

1SS133

D519

1SS133

Q502

KTC3203_Y

SWITCHING

Q507

KTC3198

FEED BACK

SWITCHING

Q509

KTC3209_Y

REG

Q505

2SC2412K

SW

Q503

KTC3209_Y

REG

Q501

KTC3209_Y

REG

Q504

2SC2412K

SW

Q508

KTC3198

SW

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

D520

MTZJ18B

D528

MTZJ5.6B

D507

MTZJ18B

D511

MTZJ18B

D522

MTZJ3.9B

D506

MTZJ5.6B

C533

470

10V

YK

C523

100

10V

YK

C515

1000

16V

YK

C513

1

50V

KA

C519

2200

16V

YK

C521

100

160V

YXF

C505_1

150

450V

USR

SOUND+B

P.CON+8V

SOUND_GND

GND

H.DRV+B

+B

GND

EMEGENCY

H_GND

POWER

+B

AT3.5V

P.CON+8V

AT+5.6V

P.CON+5V

GND

0

9.0

8.9

0

349

349

416.0

13.4

416.0

FROM/TO MICON/CHROMA

FROM/TO DEFLECTION/CRT

TO SOUND AMP/21PIN

(MAIN PCB)

POWER SCHEMATIC DIAGRAM

NC

NC

0

8.0

5.6

0

0

00

0

4.5

4.5

0

5.9

PCB010

TMB553

NC

NC

BLUE

BROWN

10.68

0

NC

NC

NC

NC

NC

OUT

GND

IN

OUT

GND

IN

0

BLUE

BROWN

9.0

5.0

5.6

5.0

3.3

3.9

0.1

0

0.8

0.8

0

0

0

0

0

9.0

8.9

0

0

8.9

9.0

5.0

5.6

10.9

13.9

0

0

144.0

11.2

21.7

317.0

0

21.3

9.1

0.2

9.1

0.4

9.1

8.1

8.1

0.4

6.1

5.6

8.5

5.0

10.8

G-7

G-8

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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