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Daewoo Lucoms 719B-3, Руководство по обслуживанию

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37

C113

CMXM2A102J

C MYLAR

100V 1000PF J (TP)

C114

CEXF1H109V

C ELECTRO

50V RSS 1MF (5X11) TP

C115

CEXF1H479V

C ELECTRO

50V RSS 4.7MF (5X11) TP

C204

CMXM2A104J

C MYLAR

100V 0.1MF J (TP)

C205

CMXM2A104J

C MYLAR

100V 0.1MF J (TP)

C206

CMXM2A102J

C MYLAR

100V 1000PF J (TP)

C207

CMXM2A472J

C MYLAR

100V 4700PF J (TP)

C209

CCXB1H471K

C CERA

50V B 470PF K (TAPPING)

C210

CEXF1C470V

C ELECTRO

16V RSS 47MF (5X11) TP

C211

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C212

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C222

CEXF1C470V

C ELECTRO

16V RSS 47MF (5X11) TP

C223

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C226

CEXD2A109F

C ELECTRO

100V RND 1MF(5*11) TP

C228

CCXB2H102K

C CERA

500V B 1000PF K (TAPPING)

C229

CEXD2A109F

C ELECTRO

100V RND 1MF(5*11) TP

C232

CEXD2A109F

C ELECTRO

100V RND 1MF(5*11) TP

C234

CCXB3D102K

C CERA

2KV B 1000PF K (TAPPING)

C235

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C236

CEXF2A100V

C ELECTRO

100V RSS 10MF (6.3X11) TP

C242

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C243

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C244

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C245

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C246

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C249

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C250

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C251

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C252

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C260

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C263

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C264

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C281

CEXF1H109V

C ELECTRO

50V RSS 1MF (5X11) TP

C302

CMXM2A102J

C MYLAR

100V 1000PF J (TP)

C303

CEXF1C102V

C ELECTRO

16V RSS 1000MF (10X20) TP

C304

CMXM2A472J

C MYLAR

100V 4700PF J (TP)

C305

CEXF1V101V

C ELECTRO

35V RSS 100MF (8X11.5) TP

C307

CMXM2A224J

C MYLAR

100V 0.22MF J

C308

CEXF1C471V

C ELECTRO

16V RSS 470MF (8X12)TP

C309

CMXM2A473J

C MYLAR

100V 0.047MF J (TP)

C401

CCXF1H104Z

C CERA

50V F 0.1MF Z

C402

CEXF1C221V

C ELECTRO

16V RSS 220MF (8X11.5) TP

C403

CMXM2A154J

C MYLAR

100V 0.15MF J (TP)

C404

CMXL1J474J

C MYLAR

63V MEU 0.47MF J

C405

CEXF1C470V

C ELECTRO

16V RSS 47MF (5X11) TP

The components identified by mark 

! 

have special characteristics important for safety and x-ray radiation.

These should be replaced only with the types specified in the parts list.

BC005 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC201 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC202 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC203 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC204 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC205 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC206 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC207 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC208 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC209 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC210 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC401 5PB13890—

COIL BEAD

BI3890

BC402 5PB13890—

COIL BEAD

BI3890

BC403 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC404 5PB13857—

COIL BEAD

BI3857(AXIAL)

BC801 5PB13890—

COIL BEAD

BI3890

BC802 5PB13890—

COIL BEAD

BI3890

BC901 5PB13890—

COIL BEAD

BI3890

C001

CL1UC3104M

C LINE ACROSS

WORLD AC250V 0.1UF M R.47

C002

CEYP2G221Z

C ELECTRO

400V SMH 220MF (25.4*40)

C005

CEXF1E101V

C ELECTRO

25V RSS 100MF (6.3X11) TP

C006

CMXM2A103J

C MYLAR

100V 0.01MF J (TP)

C007

CCXB2H472K

C CERA

500V B 4700PF K (TAPPING)

C008

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C010

CMXM2A682J

C MYLAR

100V 6800PF J (TP)

C012

CMXM2A272J

C MYLAR

100V 2700PF J (TP)

C013

CCXB1H681K

C CERA

50V B 680PF K (TAPPING)

C014

CCXB3A221K

C CERA

1KV B 220PF K (TAPPING)

C018

CMXM2A224J

C MYLAR

100V 0.22MF J

C020

CMXM2A332J

C MYLAR

100V 3300PF J (TP)

C024

CH1FDF222M

C CERA AC

2.5KV 2200PF M AC250V

C025

CH1FDF222M

C CERA AC

2.5KV 2200PF M AC250V

C026

CH1FDF222M

C CERA AC

2.5KV 2200PF M AC250V

C027

CL1UC3104M

C LINE ACROSS

WORLD AC250V 0.1UF M R.47

C101

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C102

CEXF1C101V

C ELECTRO

16V RSS 100MF (6.3X11) TP

C103

CMXM2A102J

C MYLAR

100V 1000PF J (TP)

C104

CCXB1H221K

C CERA

50V B 220PF K (TAPPING)

C105

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C106

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C107

CCXF1H103Z

C CERA

50V F 0.01MF Z (TAPPING)

C108

CEXF1H479V

C ELECTRO

50V RSS 4.7MF (5X11) TP

C109

CEXF1H479V

C ELECTRO

50V RSS 4.7MF (5X11) TP

C110

CCXF1H104Z

C CERA

50V F 0.1MF Z

C112

CXCH1H560J

C CERA

50V CH 56PF J (TAPPING)

LOC

PART-CODE

PART-NAME PART-DESC

LOC

PART-CODE

PART-NAME PART-DESC

◆

Parts List for 719B-3  

ELECTRICAL PARTS LIST

!

!

!

!

Содержание 719B-3

Страница 1: ...b XGA COLOR MONITOR Model 719B 3 719BF 3 http www lucoms com July 2003 Service Manual DAEWOO LUCOMS CO LTD...

Страница 2: ...GENERAL INFORMATION 7 PIN CONNECTOR 8 CAUTIONS FOR ADJUSTMENT AND REPAIR 8 OPERATION AND ADJUSTMENT 9 ALIGNMENT PROCEDURE 15 TROUBLESHOOTING HINTS 17 BLOCK DIAGRAM 32 SCHEMATIC DIAGRAM 33 EXPLODED VI...

Страница 3: ...tial that these critical parts should be replaced with manufacturer s specified parts to prevent X Ray shock fire or other hazards Do not modify the original design without getting written permission...

Страница 4: ...ult in damage to the equipment or other property WARNING Statements identify conditions or practices that could result in personal injury or loss of life Terms as marked on equipment CAUTION Statement...

Страница 5: ...o the contacts with a pipe cleaner cotton tipped stick or comparable nonabrasive applicator 10 by volume Aceton and 90 by volume isopropyl alchohol 90 99 strength 6 Do not damage any plug socket B vol...

Страница 6: ...horted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of replacement ES devices touch the protective m...

Страница 7: ...ic suction type solder removal device or with desoldering braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the...

Страница 8: ...corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect the solder joints of the two original leads on the circuit board copper side If they are not shiny rehe...

Страница 9: ...rom 50Hz to 160Hz This color monitor supports IBM PC PC XT PC AT personal System 2 PS 2 Apple Macintosh and compatible users crisp text and vivid color graphics display when using the following graphi...

Страница 10: ...factroy The adjustment procedure described in the service manual is made by a visual check Allow 20 minutes warm up time for the display before checking or adjusting only electrical specification or...

Страница 11: ...just the screen brightness according to each situation Move cursor to the left window on the OSD window Decrease the value of any selected function Launch OSD On Screen Display MENU window Move cursor...

Страница 12: ...ightness according to each situation Move cursor to the left window on the OSD window Decrease the value of any selected function Launch OSD On Screen Display MENU window Move cursor to the high windo...

Страница 13: ...ENU MENU MENU MENU OPERATION AND ADJUSTMENT PC GAME MOVIE POWER LIGHT CONTRAST The screen brightens progressively by 10 If you carry out general PC works such as document edition on the Movie mode you...

Страница 14: ...y OSD OFF OPERATION AND ADJUSTMENT PC GAME MOVIE POWER LIGHT The screen brightens progressively by 10 If you carry out general PC works such as document edition on the Movie mode you may shorten the l...

Страница 15: ...osition of the display horizontally left or right and vertically up or down H CENTER V CENTER Choose different preset color temperatures or set your own customized color parameters Adjust the red gain...

Страница 16: ...CTIONS Reset the screen to the Factory Preset Display Settings RECALL Adjust the vertical picture moire cancellation V MOIRE Adjust the horizontal picture moire cancellation H MOIRE Display horizontal...

Страница 17: ...each mode In Factory Auto Alignment was done at each mode Therefore Factory preset mode has it s own value according to each control 3 Focus a Set brightness control to center and contrast control to...

Страница 18: ...e focus from the best over all focus on the display Also adjust the brightness to the desired condition c Vertical red and blue lines are converged by varying the angles between the two tabs of the 4...

Страница 19: ...bient circuit Trouble in 6 3Vdc line of the Main PWB Check the blanking pulse circuit Check the signal cable No Character Is whole screen bright Yes Yes Yes Yes Yes No No No No No Yes Yes Rk Gk Bk Abo...

Страница 20: ...o trouble in power supply unit Is CRT heater red hot No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Is Heater Voltage CRT PWB about 6V Turn the Brightness Contrast control to set Maximum No Rast...

Страница 21: ...G2 voltage normal Is the output of pre amp IC201 pin 19 20 21 all normal Check video signal cable or video card Trouble in IC201 or its ambient circuit Trouble in video output circuit or ambient Repl...

Страница 22: ...aveform of IC501 normal Trouble in B Booster Circuit Check the B section of IC501 Trouble in IC501 Trouble in Horizontal output circuit No Raster Yes No Yes Yes Trouble in Q406 and its ambient circuit...

Страница 23: ...Horizontal Unstable picture Is H Sync input pin of IC501 correct Check H Sync Out of Micom or its ambient circuits Is the pin 29 of IC501 12 13V Check the value of C402 R423 Yes Yes No No Trouble in I...

Страница 24: ...3V DC line correct Check PWR 13V ambient circuit No Yes Is the output waveform of IC301 pin 5 normal Trouble in V Sync line or IC501 failure Yes No 45Vp p Is the output pulse of IC501 pin 13 normal Ye...

Страница 25: ...23 6 Focus Monitor remains unfocused Check Focus VR in FBT Is focus acceptable Trouble in Focus circuit FBT Yes OK No TROUBLESHOOTING HINTS...

Страница 26: ...t ORION 300V 120V SAMSUNG 300V 120V 1 Check the CRT socket or connector wire 2 Trouble in FBT or CRT Check after adjusting the static focus finely by VR in FBT DF waveform FVH FVH FVV FVV No Yes Is th...

Страница 27: ...Is convergence on the center area bad Is convergence on the fringe area bad Adjust static convergence Refer to Adjustment procedure of convergence Yes Adjust D Y Location Yes No Poor convergence TROUB...

Страница 28: ...BLESHOOTING HINTS 8 Abnormal Picture 8 1 Horizontal Size When the H Size on the OSD is changed is the H size changed No Yes Check pin 24 of IC501 and its ambient circuit It isn t out of order Abnormal...

Страница 29: ...301 pin 5 Check the IC301 and its ambient circuit Check the pin 23 of IC501 and its ambient circuit No No Trouble V OSC Deflection Circuit Refer to V OSC Deflection circuit Yes Is the 3 5Vdc of pin 23...

Страница 30: ...r waveform normal Yes Yes No Trouble in IC501 ambient circuit Is IC501 pin 26 normal Yes No Trouble in H V circuit No Raster Trouble in IC501 ambient circuit Is the IC501 pin 1 H trigger correct Yes N...

Страница 31: ...Select the side pincushion icon on OSD menu and adjust acceptable position Yes Check IC501or their ambient circuit Is the pin 11 waveform of IC501 correct Yes No Check IC501 or it s ambient circuit Tr...

Страница 32: ...004 Q001 No Is voltage of C825 77Vdc Trouble in D813 or Video Part No Is voltage of C824 8Vdc Trouble in D812 No Is voltage of T001 pin 8 130V 370V Trouble in D001 D002 D003 D004 C004 and TH001 No Is...

Страница 33: ...31 Is voltage of C827 13Vdc No Yes Yes Is voltage of C908 12Vdc Trouble in D908 or FBT part P S U O K Trouble in D814 or horizontal part No A TROUBLESHOOTING HINTS...

Страница 34: ...32 BLOCK DIAGRAM 719B 3 719BF 3...

Страница 35: ...33 SCHEMATIC DIAGRAM 719B 3 719BF 3...

Страница 36: ...719B 719B 3 34 EXPLODED VIEW MECHANICAL PARTS LIST...

Страница 37: ...719B 719BF 3 EXPLODED VIEW MECHANICAL PARTS LIST 35...

Страница 38: ...25pF D 0 5 F 1pF J 5 K 10 P 100 0 Z 80 Fig Part No Description Index R101 Resistors RD 4Z820J Carbon 82J R102 RD 4Z201J Carbon1 4W 200J Allowance F 1 J 5 K 10 M 20 G 2 Important Safety Notice Compone...

Страница 39: ...F 5X11 TP The components identified by mark have special characteristics important for safety and x ray radiation These should be replaced only with the types specified in the parts list BC005 5PB1385...

Страница 40: ...P C904 CMXM2A473J C MYLAR 100V 0 047MF J TP C905 CCXB3A472K C CERA 1KV B 4700PF K TAPPING C906 CEXF2V109V C ELECTRO 350V RSS 1MF 8 11 5 C907 CEXF2C479V C ELECTRO 160V RSS 4 7MF 8X16 TP C908 CEXD1H478F...

Страница 41: ...TIN COATING J024 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J025 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J026 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J028 85801065GY WIRE COPPER A...

Страница 42: ...FET IRF630B Q416 TZTA1266Y TR KTA1266Y AUTO 1015Y Q417 TZTA1266Y TR KTA1266Y AUTO 1015Y LOC PART CODE PART NAME PART DESC Q418 TKTD2061 TR KTD2061 Q801 TZTC3198Y TRANSISTOR KTC3198Y 1815Y AUTO Q803 TK...

Страница 43: ...25J R CARBON FILM 1 6 2 2M OHM J LOC PART CODE PART NAME PART DESC R408 RD AZ103J R CARBON FILM 1 6 10K OHM J R409 RD AZ101J R CARBON FILM 1 6 100 OHM J R410 RD AZ101J R CARBON FILM 1 6 100 OHM J R411...

Страница 44: ...ON FILM 1 4 15K OHM J R926 RD AZ123J R CARBON FILM 1 6 12K OHM J R927 RD AZ154J R CARBON FILM 1 6 150K OHM J R928 RD AZ104J R CARBON FILM 1 6 100K OHM J LOC PART CODE PART NAME PART DESC R929 RD AZ103...

Страница 45: ...erence Components List Between 719B 3 and 719BF 3 719B 3 719BF 3 Part No Part Description Part No Part Description CDT 9979617041 M41KXU200XX021 9979617081 M41QEC200XX021 R468 RD AZ302J 1 6W 3K ohm RD...

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