LG 32LH7000 Service Manual

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Owner's manual (194 pages)

Service manual (35 pages)

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SERVICE MANUAL

CHASSIS : LD91D

MODEL : 32LH7000

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

North/Latin America

Europe/Africa

Asia/Oceania

32LH7000-ZA

Internal Use Only

http://aic.lgservice.com

http://eic.lgservice.com

http://biz.lgservice.com

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Summary of Contents for LG 32LH7000

Page 1: Service Manual
Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LD91D MODEL : 32LH7000 32LH7000-ZA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Downloaded From TV-Manual.com Manuals...
Page 2: Table Of Contents
ADJUSTMENT INSTRUCTION ...............10 TROUBLE SHOOTING ................15 BLOCK DIAGRAM...................19 EXPLODED VIEW .................. 20 SVC. SHEET ....................Copyright © 2009 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 3: Product Safety
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2009 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...
Page 4: Servicing Precautions
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 © 2009 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright © 2009 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
Page 6: Specification
32” LGD 0.36375(H) x 0.36375(V) Backlight 16 EEFL Display Colors 1.06B(true) colors Coating 3H(Hard coating) Copyright © 2009 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 7 Dynamic CR 10000 15000 32” EAY58473201 HDMI 720p Full Black Pattern (Only HDMI mode) Copyright © 2009 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 8 47.56 59.6 84.75 WXGA 1280x1024 63.595 60.0 108.875 SXGA 1920x1080 66.647 59.988 138.625 WUXGA Copyright © 2009 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 9 WXGA HDCP 280x1024 63.595 60.0 108.875 SXGA HDCP 1920x1080 66.647 59.988 138.625 WUXGA HDCP Copyright © 2009 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 10: Adjustment Instruction
3) Click “Read” tab, and then load download file (XXXX.bin) by clicking “Read” fi lexxx.bin Copyright © 2009 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
Page 11 Inner pattern 4) Completed selecting Tool option. Y=0.293(±0.002) (216gray,85IRE) Warm 6,500k ºK X=0.313(±0.002) Y=0.329(±0.002) Copyright © 2009 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 12 • After enter Service Mode by pushing “ADJ” key, • Enter White Balance by pushing “ ” key at “3. White Balance”. Copyright © 2009 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
Page 13 (1E) 0x07 (30) (40) (80) (37) (00) (BC) (88) (21) (00) (00) (18) (00) Copyright © 2009 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 14 (3) Serial number D/L must be conformed when it is produced in production line, because serial number D/L is mandatory by D-book 4.0 Copyright © 2009 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
Page 17 Afte r c hecking thoroughly all path once again, You sh ou ld decid e to rep lace Main Bo ard or no t. Copyright © 2009 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 18 Afte r c hecking thoroughly all path once again, You sh ou ld decid e to rep lace Main Bo ard or no t. Copyright © 2009 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 19: Block Diagram
BLOCK DIAGRAM 74LCX244 Buffer IC501 CI Slot (P500) 74LVC541A Buffer IC502 TEA6420D IC405 Copyright © 2009 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 20: 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. - 20 - LGE Internal Use Only Only for training and service purposes...
Page 21: Schematic Diagram
SCHEMATIC DIAGRAM Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes Downloaded From TV-Manual.com Manuals...
Page 35 Feb., 2009 P/NO : MFL58858405 Printed in Korea Downloaded From TV-Manual.com Manuals...

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LG 32LH7000 Service Manual

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SERVICE MANUAL

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