Memorex MT2272, Service Manual

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

2

1

3

4

5

6

7

8

2

1

3

4

5

6

7

8

R408

3.9K

+-1%

R424

18K +-1%

R409

15K +-1%

VR403

22K

SIDE PCC

VR404
22K

H SIZE

VR401 2.2K

V-POSI

VR402

470

V-LINER

T401

ETH19Y203AY

1

2

345

CD801

CU822501

CP801

A2361WV2-2P

1

2

B
G
R

11

6
8

10

9

1

7

5

V801

M68LWF088X

Q401

2SD2499(LBOEC1)

H.OUTPUT

R457

10 1/2W

R461

1 1W

R429

2.2 2W

IC401

LA78041

V-OUT IC

1

2

3

4

5

6

7

TP024

TP023

TP022

HS402

763WAE0110

IS NON POLAR ONE.

THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP

THE RESISTOR MARKED F IS FUSE RESISTOR.

NOTE:

L401

ELH5L4132N

VIDEO

8

E8

E25

E12

GND

TER

HEA

AFC

B+

GND

ABL

GND

COL

HV

F

S

FB401

3227010F

1

10

11

2

3

4

5

6

7

8

9

CP806_1

IC402

KIA78L09BP-AT

9V REG. IC

1

2

3

CP401

B06B-DVS

1

2

3

4

5

6

CP802B
B2013H02-5P

1

2

3

4

5

CP802A
B2013H02-5P

1

2

3

4

5

CP803B

B2013H02-6P

1

2

3

4

5

6

CP803A B2013H02-6P

1

2

3

4

5

6

F

J801

CVT3275-5102

1

10

11

5

6

7

8

9

HS401

763WAA0214

L403_1

02DK000058

L402

HF57T18.5*10*10

C442

6.8

50V

UHT

R402

1K

1W

R805

12K

2W

R807

12K

2W

R803

12K

2W

R439

68

1W

CAUTION: DIGITAL TRANSISTOR

Q403

KRA104MAT

X-RAY TEST SW.

L801

100uH

0607

DEFLECTION SIGNAL

B.SIGNAL

G.SIGNAL

R.SIGNAL

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

C434

22

100V

YK

C427

10

50V

YK

C402

0.001

2KV

RR

C440

0.01

100V

MKT

C452_1

0.015

1.25KV

MPP

C449

0.39

250V

PMS

C810

560P

W

C802

0.001

2KV

R

C401_1

68P

500V

SL

C455

100P

500V

B

C412

0.033 M

C451

0.027

630V

PP

C801

100P

SL

C453_1

390P

1.25KV

MPP

C435

0.1

100V

MKT

C403

0.22

100V

MKT

C437

0.068 TF

C436

0.33

TF

C430

0.068

100V

MKT

C408

150P

SL

C811

560P

W

C809

560P

W

C420

0.0022

500V

B

C456

0.022

TF

C439

47

50V

YK

C444

47

16V

YK

C631

1

50V

KA

C414

100

35V

YK

C448

10

250V

YK

C446

22

50V

YK

C445

10

50V

YK

C441

0.47

50V

KA

C418

1000

25V

YK

C433

2200

35V

YK

C417

4.7

50V

KA

C447

330

16V

YK

R460

1K

1/4W

R417

12K

1/4W

R446

470

1/2W

R431

47K

1/4W

R815

270

R421_1

68K

1/2W

R422

8.2K

1/2W

R404

220

1/4W

R447_1

1.8K

1/4W

R418

27K

1/4W

R437

2.7K

R804

2.7K

1/4W

R819

68

R810

220

R816

270

R818

68

R808

220

R813

270

R817

68

R806

2.7K

1/4W

R801

220

R802

2.7K

1/4W

R450

100K 1/2W

R427

100

1/4W

R443

4.7K

1/4W

R445

22K

1/4W

R441

27K

1/4W

R438

10K

1/4W

R458

1.5K

1/2W

R419

1K

1/4W

R434

1

1/2W

R407

1

1/2W

R456

15K

1/4W

R430

6.8K

1/4W

R412

270

1/2W

R433

270

1/2W

R436

1

1/2W

R435

1

1/2W

R406

1

1/2W

R444

22K

1/4W

R440

220K 1/4W

R411

1K

1/2W

R415

560

1/2W

R410

560

1/2W

R420

6.8K 1/4W

R455

2.7K

1/4W

R454

2.2K

1/2W

R809

2.7K

R814

2.7K

R811

2.7K

R405

1K 1/4W R403

10K

R459

820 1/2W

D407

AU02A-EIC

D417

1SS133

D803

1SS133

D802

1SS133

D801

1SS133

D410

AU02A-EIC

D408

AU02A-EIC

D406

1SS133

D451

RU-4AM

D411

AU02A-EIC

D452

RS-4FS

D414

RGP10JE

D415

RGP10JE

D412

11E1-EIC

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

DANS LA NOMENCLATURE DES PIECES

N’UTILISER QUE CELLS DECRITES

DANGEREUSES AN POINT DE VUE SECURITE

ETANT

LES PIECES REPAREES PAR UN

ATTENTION:

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

SINCE THESE PARTS MARKED BY

CAUTION:

D404

MTZJ5.1B

D418

MTZJ30B

D419

MTZJ30B

D405

MTZJ9.1B

Q806

KTC4217

BLUE OUT

Q805

KTC4217

GREEN OUT

Q804

KTC4217

RED OUT

Q407

KTC3198

PIN SW

Q402_1

KTC3227_Y

H.DRIVE

Q802

KTC3199_Y

BLUE OUT

Q803

KTC3199_Y

GREEN OUT

Q801

KTC3199_Y

RED OUT

Q406

KTC3198

PROTECT

Q409

2SC4159

PIN DRIVE

Q405

KTC3199_Y

PROTECT

W867

W844

Q408

KTA1266

PIN DRIVE

Q404

KRC102MAT

X-RAY TEST SW

CAUTION: DIGITAL TRANSISTOR

S103Y S103X

GND

CLAMP

CLAMP

G.OUT

G.OUT

B.OUT

B.OUT

R.OUT

R.OUT

V_OUT

180V

ABCL

H_OUT

V_FEEDBACK

H_SYNC

HEATER

P.CON+5V

GND

H_SYNC

X-RAY

X-RAY_TEST

POWER

P.CON+9V

P.CON+9V

UNREG+18V

+B

GND

(MT2272)

(MAIN PCB)

DEFLECTION/CRT SCHEMATIC DIAGRAM

100.6

100.6

100.6

100.6

100.6

100.6

13

123.0

123.0

100.6

100.6

112.0

G-6

G-5

0

0

NC

0.2

0

0

TO SOUND

TO AV

FROM/TO MICON/TUNER

NC

NC

TCB403

FROM POWER

SCREEN

FOCUS

3.2

3.2

3.2

100.6

FROM/TO CHROMA

0

3.9

26.1

2.2

13

26

AMP

+
-

UP

PUMP

PROTECTION

THERMAL

GND

VCC

3.9

18

6.4

0

0

21

22

20

R.OUT

B.OUT

CLAMP

GND

G.OUT

180V

HEATER

GND

GND

HEATER

180V

R.OUT

B.OUT

G.OUT

CLAMP

GND

PCB110

2

1

180V

HEATER

GND

GND

NC

NC

B.OUT

GND

CLAMP

G.OUT

R.OUT

NC

NC

-27.0

112.0

128.0

128.0

0

0

0

0.3

IN

GND

OUT

17

16

9.6

16.0

16.1

16.0

0

0

8.7

0.6

0

3.8

7.8

3.2

15

19

0

8.1

0

PCB010

TMB544

NC

NC

NC

NC

2.7

2.7

2.7

0

0

0.6

0.6

8.2

7.4

123.0

7.4

7.4

14

27.0

0.3

0

5.0

9.0

13.0