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Daewoo Lucoms CML-710M, Руководство по обслуживанию

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13

OPERATION AND ADJUSTMENT

Adjustment Procedure

Adjust the 

CLOCK

control.

Perform the 

AUTO

POSITION

.

Is the H.Size

proper?

Is the

noise displayed on

the screen?

Perform the 

AUTO

TRACKING

.

Is the

noise displayed on

the screen yet?

Is the

noise displayed on

the screen yet?

Adjust the 

CLOCK FINE

until the screen is

cleared.

Yes

Yes

Yes

Yes

No

No

No

No

End

Содержание CML-710M

Страница 1: ...LCD COLOR MONITOR Model CML 710M http www lucoms com 2004 Service Manual DAEWOO LUCOMS CO LTD...

Страница 2: ...INFORMATION 8 GENERAL INFORMATION 9 PIN CONNECTOR 9 CAUTIONS FOR ADJUSTMENT AND REPAIR 9 OPERATION ADJUSTMENT 10 ALIGNMENT PROCEDURE 16 TROUBLESHOOTING HINTS 17 BLOCK DIAGRAM 24 SCHEMATIC DIAGRAM 25 P...

Страница 3: ...oltage circuit area if a short circuit is found replace all parts which have been overheated as a result of the short circuit All the protective devices must be reinstalled per original design Solderi...

Страница 4: ...nts indicate a personal injury hazard not immediately accessible as one reads the marking or a hazard which is properly included on the equipment itself WARNING Statements are clearly concerning indic...

Страница 5: ...ume Aceton and 90 by volume isopropyl alchohol 90 99 strength 5 Do not apply AC power to this instrument and or any other of its electrical assemblies unless all the solid state device heat sinks are...

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

Страница 7: ...in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush lt is not necessary to reapply acrylic coating...

Страница 8: ...he circuit board 3 Observing diode polarity wrap each lead out of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect the solder j...

Страница 9: ...5Hz Colors 8bit 16M Colors Display Area 337 9mm x 270 3mm PC Input Signal Sync H V separate TTL Video 15 pin mini D sub Analog RGB Audio Stereo minijack Input Output Speaker Max Output 2W Left 1W Righ...

Страница 10: ...matically scans all horizontal frequencies from 30KHz to 80KHz and all vertical frequencies from 56Hz to 77Hz 15 50KHz to 75KHz This TFT LCD monitor supports IBM PC PC XT PC AT personal System 2 PS 2...

Страница 11: ...the left or high window in the OSD window and decreases value of any selected function While the OSD screen is off you can adjust the volume directly VOLUME POWER LIGHT MENU EXIT 5 7 While the OSD scr...

Страница 12: ...11 OPERATION AND ADJUSTMENT Key Process MENU EXIT EXIT EXIT OSD OSD SHARPNESS SHARPNESS UT L TY UT L TY UT L TY 1280X1024 80K 75 SELECT SELECT...

Страница 13: ...utton you can adjust the brightness directly decreases brightness increases brightness AUTO TRACKING AUTO The screen will be brightened progressively by 10 If you carry out general PC works such as do...

Страница 14: ...Perform the AUTO POSITION Is the H Size proper Is the noise displayed on the screen Perform the AUTO TRACKING Is the noise displayed on the screen yet Is the noise displayed on the screen yet Adjust t...

Страница 15: ...tally 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 width horizontal size of the screen im...

Страница 16: ...en is displayed when the D Sub signal connector is not connected or the status of the monitor is on DPMS mode Out of Range screen is displayed when the applied frequency is under or over normal range...

Страница 17: ...uency 17 Horizontal 30KHz 80KHz Vertical 56Hz 77Hz available only non interlace mode Adjustment 1 Sharpness set to 0 2 Contrast set to 100 3 Brightness set to 100 4 Switching to factory alignment mode...

Страница 18: ...17 TROUBLESHOOTING HINTS L710M 1 Abnormal mode detect Is a input H sync of Scaler pin126 U6 correct Abnormal mode detect No Yes Trouble in the H sync input circuit Trouble in Scaler U6 Yes...

Страница 19: ...Check the power board VCC5V of CON2 Check on Scaler U6 Is the Power LED toggled between on and off Off No Yes On Is the power cord well connected Refer to No video or No raster Check if the power swit...

Страница 20: ...in pin 5 of CN2 power board No No Yes Yes Is the output of inverter correct Check the output of 12V line power board Replace the inverter Replace a LCD panal low high Check the output of Q1 or pin 15...

Страница 21: ...output signal of Scaler No Yes Is the input signal normal Check the video signal cable or R G B con ass y Trouble in the soldering of R G B data lines from output of Scaler to Scaler U6 Yes No Yes Are...

Страница 22: ...hite No Yes Next page No Yes Connection trouble Check interface scalier pin LAV 0P 3P 0M 3M and solding of CON3 No Yes Is pin 5 6 7 8 of U2 5V Check U2 its ambient circuit and pin 14 of U8 Check if th...

Страница 23: ...contrast at its maximum 3 No raster Set the contrast up to Max Yes Yes Check If the CON3 wafer is well connected at the LCD panel No Yes Is the output of Scaler correct No Yes Is the input of Scaler...

Страница 24: ...23 TROUBLESHOOTING HINTS No Yes Yes Check 3 3V 5V 12V of CN2 Check the main board Is the power cord well connected Check if the power cord is correctly connected Power problem Yes 6 Power Problem...

Страница 25: ...24 BLOCK DIAGRAM...

Страница 26: ...25 SCHEMATIC DIAGRAM L710M...

Страница 27: ...26 SCHEMATIC DIAGRAM...

Страница 28: ...SCHEMATIC DIAGRAM 27...

Страница 29: ...SCHEMATIC DIAGRAM 28...

Страница 30: ...SCHEMATIC DIAGRAM 29...

Страница 31: ...SCHEMATIC DIAGRAM 30...

Страница 32: ...31 PCB PATTERN...

Страница 33: ...32 PCB PATTERN...

Страница 34: ...33 PCB PATTERN...

Страница 35: ...34 PCB PATTERN...

Страница 36: ...0 5 F 1pF J 5 K 10 P 100 0 Z 80 Fig Part No Description Index R101 Resistors RD 4Z820J Carbon 82J R30 HRFS472JBA Chip 4 7K OHM J Tolerance F 1 J 5 K 10 M 20 G 2 Important Safety Notice Components iden...

Страница 37: ...00 DECO LINE L710 HALF MIRROR YF170 9976811200 CLAMP MOUNT NYLON 66 DAMC 20 Z2010 PCMPM1J268 PCB MAIN MANUAL AS CML 710M CN3 9979220085 CONN WAFER SMAW200 04 68163 0410 CON1 9979220118 CONN WAFER YDW2...

Страница 38: ...CHIP CERA 50V Y5V 0 1MF Z 1608 C64 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 C65 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 C66 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 C67 HCFK104ZBA C CHIP CE...

Страница 39: ...1608 R15 HRFS472JBA R CHIP 1 16 4 7K OHM J 1608 R16 HRFS103JBA R CHIP 1 16 10K OHM J 1608 R17 HRFS472JBA R CHIP 1 16 4 7K OHM J 1608 R18 HRFS472JBA R CHIP 1 16 4 7K OHM J 1608 R19 HRFS473JBA R CHIP 1...

Страница 40: ...J 1608 R7 HRFS472JBA R CHIP 1 16 4 7K OHM J 1608 R70 HRFS391JBA R CHIP 1 16 390 OHM J 1608 R74 HRFS472JBA R CHIP 1 16 4 7K OHM J 1608 R8 HRFS103JBA R CHIP 1 16 10K OHM J 1608 R9 HRFS472JBA R CHIP 1 1...

Страница 41: ...1Z10 SW TACT KPT 1115AM Z4030 PCPLJAJ265 PCB CONTROL AXIAL AS CML 710DM PCB 9979800630 PCB CONTROL CML 710D T 1 6 R207 RD AZ101J R CARBON FILM 1 6 100 OHM J R209 RD AZ101J R CARBON FILM 1 6 100 OHM J...

Страница 42: ...YP030 2TP00075CL TAPE OPP 50X75 CLEAR YP040 9978051902 BOX CARTON SW 3 466 443 134 L710M YP050 9978137200 CUSHION EPS CML 710 YP060 9978634902 MANUAL INSTRUCTION CML 710 710M YP061 W1113D831 CORD POWE...

Страница 43: ......

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