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Daewoo Lucoms 719B-3, Руководство по обслуживанию

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41

R161

RD-AZ122J-

R CARBON FILM

1/6 1.2K OHM J

R162

RD-AZ272J-

R CARBON FILM

1/6 2.7K OHM J

R163

RD-AZ512J-

R CARBON FILM

1/6 5.1K OHM J

R164

RD-AZ822J-

R CARBON FILM

1/6 8.2K OHM J

R201

RD-AZ331J-

R CARBON FILM

1/6 330 OHM J

R202

RD-AZ750J-

R CARBON FILM

1/6 75 OHM J

R203

RD-AZ750J-

R CARBON FILM

1/6 75 OHM J

R204

RD-AZ750J-

R CARBON FILM

1/6 75 OHM J

R205

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R206

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R207

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R208

RD-AZ622J-

R CARBON FILM

1/6 6.2K OHM J

R209

RD-AZ330J-

R CARBON FILM

1/6 33 OHM J

R210

RD-AZ330J-

R CARBON FILM

1/6 33 OHM J

R211

RD-AZ330J-

R CARBON FILM

1/6 33 OHM J

R213

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R214

RD-AZ334J-

R CARBON FILM

1/6 330K OHM J

R215

RD-AZ334J-

R CARBON FILM

1/6 330K OHM J

R219

RD-AZ334J-

R CARBON FILM

1/6 330K OHM J

R221

RD-AZ332J-

R CARBON FILM

1/6 3.3K OHM J

R234

RD-AZ220J-

R CARBON FILM

1/6 22 OHM J

R236

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R237

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R238

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R248

RD-4Z151J-

R CARBON FILM

1/4 150 OHM J

R250

RD-4Z151J-

R CARBON FILM

1/4 150 OHM J

R251

RD-4Z151J-

R CARBON FILM

1/4 150 OHM J

R259

RD-4Z330J-

R CARBON FILM

1/4 33 OHM J

R260

RD-4Z330J-

R CARBON FILM

1/4 33 OHM J

R261

RD-4Z330J-

R CARBON FILM

1/4 33 OHM J

R262

RD-2Z102J-

R CARBON FILM

1/2 1K OHM J

R301

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R302

RN-4Z1808F

R METAL FILM

1/4 1.8 OHM F

R303

RN-AZ5601F

R METAL FILM

1/6 5.6K OHM F

R304

RN-AZ5601F

R METAL FILM

1/6 5.6K OHM F

R306

RD-4Z229J-

R CARBON FILM

1/4 2.2 OHM J

R307

RN-4Z2008F

R METAL FILM

1/4 2 OHM F

R309

RD-2Z181J-

R CARBON FILM

1/2 180 OHM J

R310

RD-4Z159J-

R CARBON FILM

1/4 1.5 OHM J

R311

RN-AZ3602F

R METAL FILM

1/6 36.0K OHM F

R312

RD-4Z229J-

R CARBON FILM

1/4 2.2 OHM J

R316

RN-AZ1002F

R METAL FILM

1/6 10K OHM F

R317

RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R401

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R402

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R403

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R405

RD-AZ272J-

R CARBON FILM

1/6 2.7K OHM J

R406

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R407

RD-AZ225J-

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

RN-AZ6401F

R METAL FILM

1/6 6.4K OHM F

R412

RD-AZ332J-

R CARBON FILM

1/6 3.3K OHM J

R414

RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R415

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R421

RD-AZ475J-

R CARBON FILM

1/6 4.7M OHM J

R423

RD-4Z220J-

R CARBON FILM

1/4 22 OHM J

R425

RD-AZ624J-

R CARBON FILM

1/6 620K OHM J

R429

RD-2Z270J-

R CARBON FILM

1/2 27 OHM J

R431

RS01Z121JS

R M-OXIDE FILM

1W 120 OHM J SMALL

R434

RS01Z121JS

R M-OXIDE FILM

1W 120 OHM J SMALL

R435

RS01Z121JS

R M-OXIDE FILM

1W 120 OHM J SMALL

R436

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

R437

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R438

RD-2Z151J-

R CARBON FILM

1/2 150 OHM J

R439

RD-4Z220J-

R CARBON FILM

1/4 22 OHM J

R440

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R441

RD-AZ330J-

R CARBON FILM

1/6 33 OHM J

R442

RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R443

RS01Z828JS

R M-OXIDE FILM

1W 0.82 OHM J SMALL

R444

RS01Z828JS

R M-OXIDE FILM

1W 0.82 OHM J SMALL

R445

RD-AZ105J-

R CARBON FILM

1/6 1M OHM J

R446

RD-2Z472J-

R CARBON FILM

1/2 4.7K OHM J

R447

RD-2Z472J-

R CARBON FILM

1/2 4.7K OHM J

R449

RD-AZ472J-

R CARBON FILM

1/6 4.7K OHM J

R451

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R452

RD-AZ472J-

R CARBON FILM

1/6 4.7K OHM J

R453

RD-AZ479J-

R CARBON FILM

1/6 4.7 OHM J

R456

RD-4Z473J-

R CARBON FILM

1/4 47K OHM J

R457

RD-AZ273J-

R CARBON FILM

1/6 27K OHM J

R458

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

R459

RD-AZ563J-

R CARBON FILM

1/6 56K OHM J

R460

RD-AZ223J-

R CARBON FILM

1/6 22K OHM J

R461

RD-4Z681J-

R CARBON FILM

1/4 680 OHM J

R462

RD-4Z102J-

R CARBON FILM

1/4 1K OHM J

R463

RN-AZ1002F

R METAL FILM

1/6 10K OHM F

R464

RD-AZ184J-

R CARBON FILM

1/6 180K OHM J

R465

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R466

RD-4Z184J-

R CARBON FILM

1/4 180K OHM J

R467

RD-2Z229J-

R CARBON FILM

1/2 2.2 OHM J

R468

RD-AZ222J-

R CARBON FILM

1/6 2.2K OHM J

R469

RD-AZ822J-

R CARBON FILM

1/6 8.2K OHM J

R470

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

R507

RD-AZ272J-

R CARBON FILM

1/6 2.7K OHM J

R508

RN-AZ4303F

R METAL FILM

1/6 430K OHM F

R512

RD-AZ564J-

R CARBON FILM

1/6 560K OHM J

R514

RN-AZ2202F

R METAL FILM

1/6 22K OHM F

LOC

PART-CODE

PART-NAME PART-DESC

ELECTRICAL PARTS LIST

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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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