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LCD MONITOR TV
SERVICE MANUAL
CHASSIS : LD02D
MODEL : M2250D
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL63642131(1012-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
M2250D-PZM
M2250D-PCM
M2250D-PRM
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea
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Summary of Contents for LG M2250D-PZM
- Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD MONITOR TV SERVICE MANUAL CHASSIS : LD02D MODEL : M2250D M2250D-PZM M2250D-PCM M2250D-PRM CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL63642131(1012-REV00) Printed in Korea...
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Page 2: Table Of Contents
CONTENTS ....................2 PRECAUTIONS ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION..............11 TROUBLE SHOOTING ................16 BLOCK DIAGRAM...................21 EXPLODED VIEW .................. 22 SCHEMATIC CIRCUIT DIAGRAM............... Copyright ©2010 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
Page 3: Precautions
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright ©2010 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... - Page 4 Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the Copyright ©2010 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only...
- Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright ©2010 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
80 % Contrst Ratio 1000 1000 Color Coordinates 0.637 0.330 Green 0.310 0.620 Blue 0.153 0.067 White 0.313 0.329 Copyright ©2010 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 Humidity : 20 % ~ 80 % Storage Environment Temp : -10°C~60°C non condensing Humidity : 5 % ~ 90 % non condensing Copyright ©2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 - Minimum : Below 90% - Medium : Below 80% Power S/W Off Off mode 0.5W - Maximum : Below 70% Copyright ©2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
- Page 9 HDTV 1080P 1920* 1080 56.250 148.5 HDTV 1080P 1920* 1080 67.43 / 67.5 59.94 / 60 148.35/ 148.50 HDTV 1080P Copyright ©2010 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 1920* 1080 56.25 148.5 HDTV 1080P 1920* 1080 67.432 59.94 148.350 HDTV 1080P 1920* 1080 67.5 60.00 148.5 HDTV 1080P Copyright ©2010 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
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Page 11: Adjustment Instruction
5) Click "Auto" tab and set as below 6) Click "Run". 7) After downloading, check "OK" message. filexxx.bin (8) ……….OK Copyright ©2010 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes... - Page 12 *xb 00 60 [RGB Input (1024*768)] 4) Completed selecting Tool option *ad 00 10 [Adjust 1024*768 RGB] *aa 00 90 End Adjust mode Copyright ©2010 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 (PC : 1920 x 1080 @ 60Hz - M2250D/M2350D/M2550D) 5) HDMI 6) PC Audio In * Display and Sound check is executed by Remote control. Copyright ©2010 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 1) After enter Service Mode by pushing “ADJ” key, 2) Enter “White Balance” by pushing “ ”key at “6. White Balance”. Copyright ©2010 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 5.6 Outgoing condition Configuration * After all function test., press IN-STOP Key by SVC Remote controller. And make Outgoing Condition. Copyright ©2010 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
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Page 16: Troubleshooting
TROUBLESHOOTING 1. Power- Up Boot Fail Trouble Shooting Copyright ©2010 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes... - Page 17 2. No Picture Trouble Shooting Copyright ©2010 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
- Page 18 3. Digital TV Video Trouble Shooting 4. Analog TV Video Trouble Shooting Copyright ©2010 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 5. Component Video Trouble Shooting 6. RGB Video Trouble Shooting Copyright ©2010 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
- Page 20 7. HDMI Video Trouble Shooting 8. All Source Audio Trouble Shooting Copyright ©2010 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
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Page 21: Block Diagram
BLOCK DIAGRAM Copyright ©2010 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes... -
Page 22: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes... - Page 23 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 24 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 25 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 26 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 27 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 28 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 29 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 30 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 31 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 32 PDF created with pdfFactory trial version www.pdffactory.com Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...