Memorex MT1125 Скачать руководство пользователя страница 20

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

CC005

TP-1S-05

R649

1.8K

3W

R615

1.8K 3W

R614

1.8K

3W

L202

0.22uH

L601

15uH

L201

10uH

R607

4.7K

+-1%

Q602

2SA1015Y

BUFFER

Q605

2SA1015Y

VIDEO
BUFFER

Q604

2SA1015Y

VIDEO BUFFER

CP101

W-D2506#01

1

2

3

4

5

6

IC201

LA76814M-MPB

CHR0MA

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

65

66

67

68

69

7

70

71

72

73

74

75

76

77

78

79

8

80

9

L205

3602038

VCO

1

2

3

4

6

OUT

OUT

G

IN

IN

CF201_1

SAF45MFX220ZR

1

2

3

4

5

AUDIO SIGNAL
LUMINANCE SIGNAL
COLOR SIGNAL

C636

4.7

50V

NP

C651

10
16V

KANP

TP201

W805

W819

W817

D605

HZ6B2L

D611

RD9.1EB1

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

SINCE THESE PARTS MARKED BY

CAUTION:

DANS LA NOMENCLATURE DES PIECES

N’UTILISER QUE CELLS DECRITES

DANGEREUSES AN POINT DE VUE SECURITE

ETANT

LES PIECES REPAREES PAR UN

ATTENTION:

OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE

NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME

D602

1SS133

D609

1SS133

D610

1SS133

D606

1SS133

D603

11E1N

D607

1S2472

R608

3.9K

R210

47K

R632

2.2K

R636

2.7K

R212

5.6K

R213

10K

R204

1K

R609

100 1/4W

R605

2.7K 1/4W

R613

1K

R209

7.5K

R215

5.6K

R208

220

R638

2.7K

R653

680

R637

1K

R645

4.7K

R646

4.7K

R647

4.7K

R626

100

1/4W

R663

820

R618

1M

R652

47K

R651

100

R619

270

R662

1K

R660

560

R203

1K

R655

3.3K

R664

470

R625

100

1/4W

R604

100

1/4W

R627

91K 1/4W

+-2%

R648

2.7K

R661

56K

R601

1K

R602

1K

R206

2.2K

R202

100K

R201

100K

R665

1K

R620

270

R624

24K

R623

24K

R622

1K

R666

10K

R611

22K 1/4W

R643

51 1/2W

R211

68

R612

1.3K

R606

10K

R217

6.8K

R218

2.7K

R644

331/2W

R656

1K

IC601

KIA78L09BP

9V REG.

1

2

3

C204

1

50V

KA

C618

1000

10V

YK

C637

0.47

50V

KA

C644

10

16V

KA

C625

10

16V

KA

C627

0.47

50V

KA

C617

1

50V

KA

C217

0.47

50V

KA

C626

10

16V

KA

C608

47

16V

YK

C211

1

50V

KA

C620

2.2

50V

KA

C215

1

50V

KA

C646

1

50V

KA

C623

1000

6.3V

YK

C643

100

6.3V

KA

C652

100

6.3V

KA

C202

470

6.3V

YK

C635

0.22

50V

KA

C653

47

6.3V

KA

C624

3.3

50V

KA

C615

22

16V

KA

C201

0.01 B

C611

0.01

M

C616

0.22 TF

C213 0.022 M

C208

0.01

Y

C206

0.001

Y

C610

100P SL

C619

0.01

Y

C218

0.001 Y

C612

100P A

C609

0.01

Y

C622

0.01

Y

C224

5P CH

C649

0.01

Y

C207

47P

SL

C210

47P SL

C648

33P

SL

C647

12P

CH

C654

100P

SL

C614

0.47

TF

C632

27P

SL

C214

0.01

Y

C203

0.1 M

C628 0.047 M

C645

15P

CH

C605

0.01

Y

C216

3P

SL

X601

3.579545MHz

THE DC VOLTAGE AT EACH PART WAS MEASURED

 WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST

WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

NOTE:

TUNER VIDEO SIGNAL
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL

P.CON+9V

AT+12V

TU_AUDIO_OUT

+B

VIDEO

IF

ABCL

P.CON+5V

AGC

X_RAY

AFT_IN

H_SYNC

I2C_SDA

H_OUT

I2C_SCL

V_OUT

OSD_RED

+12V

OSD_GREEN

CLAMP

OSD_BLUE

OSD_BLANKING

B.OUT

G.OUT

I2C_OFF

R.OUT

5

G-4

G-3

SAW FILTER

TEST POINT

TM9425

PCB010

CHROMA SCHEMATIC DIAGRAM

VIF

IF AGC

OSD

FIX GAIN

VC0

TINT

HOR
VCO

1/256

HOR
C/D

PHASE

SHIFTER

HOR
OUT

VER
SEP

VER
C/D

HOR

VOC

VER
RAMP

PLL

VIDEO

SPLL

BPF

BPF

FM
DET

SW

DC
VOL

AFT

BUS

VIDEO

SW

DRIVE/CUT-OFF

OSD

SW

DELAY

LINE

PEAKING

CORING

BLACK

STRETCH

BPF

COLOR
CLAMP

CONTRAST

RGB

MATRIX

SYNC

RF AGC

BRIGHT

SEP

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

1

2

3

4

5

6

7

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

H_GND

ABL

CLK

REF

AKB

RES

CLAMP

SW

ACC

DEMO

CLMP

CLMP

A2C

TRAP

AFC2

FBP

AFC1

APC1

CW
KIL

X-RAY

FILTER

ADJ

LIM
AMP

DET

TRAP

VIDEO

AMP

DC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

HOR GND

0

0

4.1

4.1

0

0

0

0

0

3.3 2.2

0

0

0

0

0

0

0

0

2.1

1.7

1.1

0.4

2.7

5.0

2.7

2.3

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

3.0

2.2

2.0

2.5

3.0

0

2.4

1.5

2.9

0

4.8

2.5

2.4

0

4.6

3.9

7.8

2.6

0

2.0

V/C GND

0.3

0

0

0

GND

IN

OUT

6

8

9

10

11

12

13

14

15

16

17

7

0

2.6

2.6

0

5.0

0.3

5.0

1.7

3.3

0.3

2.7

2.6

NC

FROM/TO MICON/TUNER

GND

I2C_SCL

I2C_SDA

I2C_OFF

R.OUT

B.OUT

2.5

2.4

2.2

2.8

9.0

12.9

TO SOUND

FROM POWER

FROM/TO DEFLECTION/CRT

0.3

0

5.0

Содержание MT1125

Страница 1: ...SERVICE MANUAL Design and specifications are subject to change without notice MT1125 ORIGINAL MFR S VERSION A COLOR TELEVISION RECEIVER...

Страница 2: ...ock while the electric current is flowing 3 USE THE DESIGNATED PARTS The parts in this equipment have the specific characters of incombustibility and withstand voltage for safety Therefore the part wh...

Страница 3: ...HE REPLACING OF MEMORY IC ELECTRICAL ADJUSTMENTS MAJOR COMPONENTS LOCATION GUIDE BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER CHROMA DEFLECTION CRT POWER SOUND AMP WAVE...

Страница 4: ...ch 13 ch CATV A5 ch I ch J ch W 29 ch GGG ch W 84 ch UHF 14 ch 69 ch Tuning System Frequency syn Voltage syn Others G 8 Preset Channel channels G 9 Intermediate Frequency Picture fP 45 75 MHz MHz MHz...

Страница 5: ...ront Phono Jack RCA 8 3 BNC Video Input Rear Phono Jack RCA 8 3 BNC Video Output Rear Phono Jack RCA 8 3 BNC Audio Input Front Phono Jack RCA 8 3 Audio Input Rear Phono Jack RCA 8 3 Audio Output Rear...

Страница 6: ...ges 6 Surfaces Height 25cm 31cm 46cm 62cm 80cm Container Stuffing 204 Sets 40 container G 30 Accessories Owner s Manual W Guarantee Card English French AC Plug Adapter Channel Film Battery UM 4 x 2 Re...

Страница 7: ...SECAM 1 Time Set Volume Up 2 Muting Volume Down 3 CH Skip CH Call 4 CH1 CH2 CH Down 5 Channel CH Up 6 Text Mix TV CH Down Page Down 7 Display Cancel CH Up Page Up 8 Initial Page 9 Store Program 10 Re...

Страница 8: ...f the Anode with the tip of the Screwdriver A cracking noise will be heard as the voltage is discharged Flip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the sup...

Страница 9: ...DEFLECTION YOKE Refer to Fig 2 1 1 2 3 4 5 Loosen the screw 1 Remove the Convergence Purity Magnet in the direction of arrow A Loosen the screw 2 Remove the 3 Wedges Remove the Deflection Yoke in the...

Страница 10: ...INIT 00 83 0010 CRTON ADDRESS DATA FIG 1 Initial setting content of MEMORY IC POWER ON total hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit...

Страница 11: ...color bar pattern Activate the adjustment mode display of Fig 2 1 and press the channel button 2 on the remote control The Fig 2 3 appears on the display Adjust the adjustment mode display of Fig 2 3...

Страница 12: ...5 Receive the crosshatch pattern Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 2 1 and press the channel button 1 on the remot...

Страница 13: ...L 400Hz R 2KHz Activate the adjustment mode display of Fig 2 1 and press the channel button 7 on the remote control The Fig 2 9 appears on the display Press the channel button 2 on the remote control...

Страница 14: ...the color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magn...

Страница 15: ...D3 1 MAJOR COMPONENTS LOCATION GUIDE TU001 FOCUS VOLUME SCREEN VOLUME FB401 CP101 MAIN VR401 L205 TP201 CP351...

Страница 16: ...PUT DY Q101 V BUFFER 17 VS Q102 H BUFFER 18 HS 3 1 5V REG IC402 KIA7805PI 5V 5 XT1 6 XT2 X101 32 768KHz X RAY TEST SW Q403 3 POWER REG IC501 STR30110 D501 D504 RECTIFIER 1 3 F501 AC IN 2 5 L501 DEGAUS...

Страница 17: ...FH501 FH502 F501 RY101 TH501 C133 D126 CP501 L501 C132 C503 R177 C440 D125 D502 D501 C504 D503 D504 R502 CP502 R449 IC501 IC401 IC402 T401_1 C443 R427 C437 C418 D403 W002 W004 R433 R 5 1 5 R429_1 C507...

Страница 18: ...647 R646 R645 R215 R613 R653 C645 R655 C647 R656 R663 R662 R661 R619 R651 R620 R652 R664 R665 R666 C654 C224 R213 R212 R217 R218 C648 I C 1 0 1 R128 R127 R142 R105 R106 R137 C129 C130 R134 R138 C109 C...

Страница 19: ...0 022 M C101 0 01 Y C129 120P SL C130 120P SL C136 0 022 M X101 32 768KHz C102 2 2 50V KA TU001 ENV56D67G3 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 SW105 SKHVBED010 POWER SW104 SKHVBED010 VOL DOWN SW103 SK...

Страница 20: ...20 2 2 50V KA C215 1 50V KA C646 1 50V KA C623 1000 6 3V YK C643 100 6 3V KA C652 100 6 3V KA C202 470 6 3V YK C635 0 22 50V KA C653 47 6 3V KA C624 3 3 50V KA C615 22 16V KA C201 0 01 B C611 0 01 M C...

Страница 21: ...419 560 R416 1 1 2W R815 4 7K R816 4 7K R814 200 R813 4 7K R809 200 R806 2 7K 1 4W R804 2 7K 1 4W R802 2 7K 1 4W R420 22K R811 200 R403 18K R406 4 7K R404 2 7K R428 6 8 1 2W R421 220K 1 4W R445 180K 1...

Страница 22: ...1 2 MS501 23MICA R515 1 5 3W R509 18K 1 W821 W818 DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS...

Страница 23: ...16V KA C780 47 16V KA C352_1 100 35V MHE C351_1 3300 35V WA C357 4 7 50V MH7 C740 4 7 50V KA C731 0 33 50V KA C730 4 7 50V KA C709 4 7 50V KA C714 4 7 50V KA C716 4 7 50V KA C720 4 7 50V KA C708 4 7 5...

Страница 24: ...AVEFORMS NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram 20V 20 s div 0 5V 20 s div 200mV 5ms div 200mV 20 s div 200mV 5ms div 4 CH...

Страница 25: ...t of the corresponding balloon number in the schematic diagram WAVEFORMS 16 1V 20 s div 1V 20 s div 17 10V 5ms div 22 DEFLECTION CRT 18 0 5V 5ms div 10V 5ms div 23 20V 20 s div 50V 20 s div 24 2V 20 s...

Страница 26: ...WAVEFORMS H 3 2V 1ms div 35 34 2V 1ms div 1V 1ms div 33 1V 1ms div 32...

Страница 27: ...1 201 201 201 I 1 J801 PCB110 CRT PCB ASS Y 118 106 119 118 118 118 V801 119 119 119 L502 113 105 105 117 117 116 114 116 PCB010 MAIN PCB ASS Y 102 202 202 TU001 ATC001 204 202 103 115 105 204 104 120...

Страница 28: ...114 7230006873 SHEET BRAND 115 759WPA0006 HOLDER ANODE WIRE 116 762WPA0007 HOLDER CRT WIRE 117 8994201000 HOLDER CRT WIRE 118 769WSA0009 WASHER CRT T 1 119 8111J50D04 SCREW TAPPING A GW22 5x40 120 HEA...

Страница 29: ...250009 C418 E5EZF3102M CE 1000 UF 25V L601 021LA6150K COIL 15 UH C433 E02LT4471M CE 470 UF 35V L701 021673101K COIL 100 UH C434 E02LT8220M CE 22 UF 100V L704 021LA6220K COIL 22 UH C437 P411F3564J CMPP...

Страница 30: ...51 070C533011 SPEAKER SA04A01DWA TH501 DF20G3R0Q0 DEGAUSS ELEMENT PTH451C460BG3R0Q140T TM101 076R074170 TRANSMITTER R25 1088 TU001 0145S00049 TUNER UHF VHF ENV56D67G3 V801 092T250501 COLOR PICTURE TUB...

Страница 31: ...M3I0 02F A953512 SPEC NO O R NO...

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