background image

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

D601

1SS133

D605

11E1-EIC

Q601

KTC3203_Y

REG

Q605

KTC3203_Y

REG

Q604

KTC3203_Y

REG

Q606

KTC3203_Y

REG

Q603

KTC3203_Y

REG

Q609

KTC3875S_Y_RTK

SW

Q610

KTC3198

H.CTL

C627

1

50V

NA

AUDIO SIGNAL

IC601

M61250BFP

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

CF603

SFSRA4M50CF00-A0

CF604

TPSRA4M50C00-A0

R629

27

3W

CAUTION: DIGITAL TRANSISTOR

GNDOUTOUT

IN

CF601

TSF5229P3

SAW FILTER

1

2

3

4

Q611

DTA114EKA

SW

CF602

MKT47.3MC110P-TF

RECORD LUMINANCE SIGNAL

CP601
TKC-M07X-A1

1

2

3

4

5

6

7

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

X602

100DT3R531

3.579545MHz

C623

0.0033

B

C622_1

0.0082

B

C639

0.01 F

C607

0.01

F

C626

0.01 F

C634

100P

CH

C606

100P

CH

C618

22P

CH

C637

0.01

F

C621

0.01

F

C613

1

63V

MKT

C602

0.01 F

C631

0.01

B

C655

0.0068 B

C616

15P

CH

C640

1

F

C630

47

16V

YK

C635

47

16V

YK

C629_1

1

50V

YK

C612

1000

10V

YK

C632

0.1

50V

KA

C628

0.22

50V

KA

C603

1

50V

KA

C605

0.47

50V

KA

C604

1

50V

KA

C619_1

2.2

50V

KA

C625

1

50V

KA

C645

47

16V

YK

C624

47

16V

YK

C647

1

50V

KA

C638

10

50V

KA

C601_1

100

10V

YK

R628

100

R616

10M

1/4W

R604

220

1/4W

R635

100

1/4W

R648

1M 1/4W

R641

22K

1/4W

R624

47 1/4W

R614

2.2K

R619

2.2K

R625

2.2K

R622

68

R605

6.8K

R615

470

R602

1K

R606

10K 1/4W

R609

220

R601

2.2K

R626

22K

1/4W

R630

100

R627

100

R617

220

R631

100

R639

1.5K

R612

4.7K

R623

120 1/4W

R638

47K

R633

8.2K

R613

1K 1/4W

R642

1K

R608

330

1/4W

R632

100

1/4W

R646

47K

R620

10K

1/4W

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

:LES PIECES REPAREES PAR UN

ETANT

ATTENTION

:SINCE THESE PARTS MARKED BY

CAUTION

DESCRIBED IN PARTS LIST ONLY

CRITICAL FOR SAFETY,USE ONES

ARE

D602

MTZJ8.2B

W820

W817

L607

15uH

L601

0.39uH

DEFLECTION SIGNAL

B.SIGNAL

G.SIGNAL

R.SIGNAL

TUNER VIDEO SIGNAL

UNREG+12V

VIDEO_IN

PROTECT_H

H_CTL

TUNER_AUDIO

RESET

SW+8V

GND

RESET

Y_VIDEO

AT+5V

VD

TUNER+5V

AGC

SYNC

V_OUT

ABCL

OSD_BLK

V_FEEDBACK

OSD_B

OSD_G

OSD_R

IF

GND

H_OUT

HD

AFT

H_SYNC

B.OUT

G.OUT

R.OUT

CLAMP

GND

HD

SCL_TP

POWER

SDA_TP

OSD_B

OSD_BLK

OSD_G

VD

OSD_R

SYNC

I2C_OFF

SDA

SCL

5.5

9.1

11.3

8.5

5.5

0

4.7

5.6

0

G-4

G-3

PCB010
TMD615

TEST POINT

8.5

11.3

7.9

FROM/TO MICON/TUNER

FROM/TO DEFLECTION/CRT

FROM MICON/TUNER

FROM SOUND/AV

TO SOUND/AV

FROM/TO MICON/TUNER

9

10

4.9

7.2

CHROMA SCHEMATIC DIAGRAM

(MAIN PCB)

FROM TV POWER

11

12

13

R OUT

G OUT

VIF Vcc

VIF Vcc

V OUT

V RAMP FEEDBACK

AFC FILTER

DEF GND

DEF GND

FBP IN

H OUT

STRAT UP Vcc

INTELLIGENT MONI

INV FBP OUT

V PULSE OUT

B IN

R IN

G IN

FAST BLK

CLOCK CONT

SDA

FM DIRECT OUT

VIF VCO F/B

VIF GND

VIF GND

VIF VIDEO OUT

RF AGC OUT

VIF APC FILTER

VIF IN (1)

IF AGC FILTER1

IF AGC FILTER2

64 VIF IN (2)

1 V RAMP CAP

2 AFT OUT

16 B OUT

17 H VCO F/B

NC

SCL

IIC_OFF

INT.MONI

GND

2.4

4.8

4.8

4.8

4.8

4.2

6

6

8

3.6

3.6

3.6

8

3.6

4.9

2.8

2.8

2.8

4.9

4.7

3.2

0

0

2.1

4.5

2.2

2.8

2.8

1.5

1.5

4.6

2.6

2.7

3.4

0

0

0

NC

SDA

B

R

QIF OUT

AUDIO OUT

AUDIO BYPASS

EXT AUDIO IN

0

5

7

NC

7.2

4.7

1.7

8.6

5.6

2.2

2.3

2.5

3.0

3.1

SCL

32 AT5.7V REG OUT

6

8.8

5.5

4.9

POWER ON CONT

MCU RESET

Y SW OUT

VIDEO/CHROMA GND

VIDEO/CHROMA GND

CHROMA APC FILTER

EXT C in

VIDEO CHROMA Vcc

VIDEO CHROMA Vcc

TV/Y IN

33 ACL/ABCL

34 X’TAL

VREG Vcc

fsc OUT 1

fsc OUT 2

Hi Vcc

47 8.7V REG OUT
48 LIMITER IN
49 P.Con5.7V REG

NC

0

8.7

2.8

4.7

2.5

0

0

3.6

NC

4.7

NC

NC

0.8

0

7.9

2.5

3.1

4.7

5.2

4.9

5.2

2.8

5.6

0

4.9

6

3.2

Содержание DT1900-C

Страница 1: ...SERVICE MANUAL DT1900 C Design and specifications are subject to change without notice COLOR TELEVISION RECEIVER ORIGINAL MFR S VERSION A...

Страница 2: ...is replaced should be used the part which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designate...

Страница 3: ...FICATIONS DISASSEMBLY INSTRUCTIONS 1 REMOVAL OF ANODE CAP 2 REMOVAL AND INSTALLATION OF FLAT PACKAGE IC SERVICE MODE LIST CONFIRMATION OF HOURS USED WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTME...

Страница 4: ...e AC 120V AC 60Hz DC Power Consumption at AC 73 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes Safety Circuit Yes IC Protector Micro Fuse No G 4 Re...

Страница 5: ...e x pcs UM 4 x 2 pcs Total Keys 23 Keys Keys Power Yes 1 Yes 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH...

Страница 6: ...t No Important Safeguard No Dew AHC Caution Sheet No AC Plug Adapter No Quick Set up Sheet No Battery No UM size x pcs OEM Brand No AC Cord No AV Cord 2Pin 1Pin No Registration Card No PTB Sheet No 30...

Страница 7: ...Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gift Box Yes Material Double Full Color Dimensions W x D x H mm 596 x 575 x 580 Design As per Buyer s Description o...

Страница 8: ...p up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT...

Страница 9: ...sing a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desold...

Страница 10: ...8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So be al...

Страница 11: ...al hours 16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value ADDRESS DATA INIT 00 00 CRT ON 0010 WHEN REPLACING EEPROM MEMORY IC If a service rep...

Страница 12: ...DRIVE 10 B DRIVE 10 R BIAS 64 G BIAS 64 B BIAS 64 BRI CENT 115 CONT MAX 65 Place the set with Aging Test for more than 15 minutes Activate the adjustment mode display of Fig 1 1 and press the channel...

Страница 13: ...uantity of the OVER SCAN on right and left becomes minimum 2 8 VERTICAL SHIFT 1 2 3 Receive the monoscope pattern Activate the adjustment mode display of Fig 1 1 and press the channel button 07 on the...

Страница 14: ...the picture is normal Press the TV VIDEO button on the remote control to set to the AV mode Activate the adjustment mode display of Fig 1 1 and press the channel button 17 on the remote control to se...

Страница 15: ...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 16: ...CP802B FB401 TU001 CP601 J704 CP803A TP001 CP802A J701 J702 J703 J1001 S501B S501A AC IN CRT DY CP401 MAIN PCB CP502 L503 DEGAUSS COIL CRT PCB CD803 CD802 CD2001 CP101 OPERATION PCB J1151 S1152 S1153...

Страница 17: ...MP FEEDBACK MCU RESET 30 RESET 30 Y SW OUT 22 CVIN 31 REMOCON 15 OS2001 1 POWER LINE KEY1 8 CH UP VOL DOWN CH DOWN MENU VOL UP KEY2 9 X602 3 579545MHz 34 X TAL AC IN F501 9 6 T501 L503 DEGAUSS COIL TH...

Страница 18: ...W048 C645 W059 L601 R613 C624 Q603 C601_1 CP802A W037 W034 W033 W036 Q606 W051 R145 R144 W049 IC101 W022 W061 Q610 W042 W038 W041 R604 W021 Q601 W003 CP101 W007 W008 W009 W005 W039 W029 W031 W025 W026...

Страница 19: ...21 R120 R153 R151 R118 R152 R102 R103 R104 R124 R150 R116 R132 R105 R106 R149 C136 C139 C141 C101 R127 C119 C114 C113 R125 C138 R134 R129 C124 C102 C103 R138 C121 R130 R135 R136 R148 R147 R140 C140 R1...

Страница 20: ...3uH L001 47uH 0305 SW2001 EVQ21505R POWER SW2007 EVQ21505R LINE SW2006 EVQ21505R CH UP SW2003 EVQ21505R MENU SW2002 EVQ21505R VOL DOWN SW2005 EVQ21505R VOL UP SW2004 EVQ21505R CH DOWN TU001 TECC1040P...

Страница 21: ...OTE 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 LES PIECES REPAREES PAR UN ETANT ATTENTION SINCE...

Страница 22: ...PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED C510 0 0039 B C514_1 0 001 2KV R C518 470P 500V B C503 0 001 500V B C506 0 0047 250V KX...

Страница 23: ...W R446 470 1 2W R423 100 1 4W R804 2 7K 1 2W R422 1 8 1 2W R427 100 1 4W R403 22K 1 4W R448 680 1 2W R449 680 1 2W R816 330 R419 560 R806 2 7K 1 4W R813 330 R815 330 R811 4 7K 1 4W R809 4 7K 1 4W R814...

Страница 24: ...0 R711 75 R1003 68K 1 4W R1001 47K R701 75 R704 47K R706 47K R705 820 R1010 220K R1006 47K R1005 270K R1004 47K R1011 220K R708 820 R1008 47 1 2W R714 100 R716 100 R717 100 OF PRINTING AND SUBJECT TO...

Страница 25: ...d at the point of the corresponding balloon number in the schematic diagram CHROMA 1 1V 0 1 s div 200mV 20 s div 7 9 200mV 20 s div 0 5V 5ms div 10 8 20V 20 s div 11 1V 20 s div 12 1V 20 s div 1V 20 s...

Страница 26: ...number in the schematic diagram 0 5V 1ms div 24 23 200mV 1ms div 10V 5ms div 19 200V 20 s div 17 50V 20 s div 20 22 50V 20 s div 21 50V 20 s div 25 200mV 1ms div 0 5V 1ms div 26 200mV 500 s div 27 200...

Страница 27: ...1G 202 202 113 101 101A 202 202 101K 202 101J 120A 120B 120 SP1001 120D 202 202 120C 202 120E 205 120F 120F 205 109 106 119B 119A SP1002 119C 202 119 118 202 119D 119E 205 202 119F 119F 205 110 102D 2...

Страница 28: ...CRT T 0 5 116 800WR0A011 SHEET CRT SUPPORT D 117 899HV3T000 HOLDER ANODE WIRE 118 A3R703QX30 SPEAKER CABI ASSY 119 7A701A274A SPEAKER CABI L ASS Y 119A 701WPAA632 CABINET FRONT SP L 119B 701WPAA633 RI...

Страница 29: ...77 J801 066F120018 SOCKET CATHODE RAY TUBE ISMS01S D103 D97U05R61B DIODE ZENER MTZJ5 6B T 77 J1001 060J131016 HEADPHONE JACK MSJ 2000_AG D104 D97U05R61B DIODE ZENER MTZJ5 6B T 77 J1150 060J421037 RCA...

Страница 30: ...REMOTE RECEIVER PIC 37143TH5 SP1001 070W132024 SPEAKER NP 300W L RCA 115 SP1002 070W132024 SPEAKER NP 300W L RCA 115 TH501 D8EE0B1400 DEGAUSS ELEMENT B59203 S1060 B14 TM101 076N0JK010 TRANSMITTER RC J...

Страница 31: ...M3R7 03Q O R NO SPEC NO K483071...

Отзывы: