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LCD TV
SERVICE MANUAL
CHASSIS : LD91B
MODEL : 37H5000
MODEL :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL61862202 (0904-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
37H5010
37H5020
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
37LH5000-ZB
37LH5010-ZD
37LH5020-ZE
Printed in Korea
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Summary of Contents for LG 37H5000
- 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 TV SERVICE MANUAL CHASSIS : LD91B MODEL : 37H5000 37LH5000-ZB MODEL : 37H5010 37LH5010-ZD MODEL : 37H5020 37LH5020-ZE CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
CONTENTS ....................2 PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............9 BLOCK DIAGRAM...................14 EXPLODED VIEW .................. 15 SVC. SHEET ....................Copyright ©2009 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
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 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...
- 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...
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Page 6: Specification
877.0 (H) x 516.8 (V) x 55.5 (D) Without inverter Pixel Pitch 0.42675 mm(D) Back Light EEFL Display Colors 1.06Billion(FHD LGD),16.7M (others) Coating 3H, AG Copyright ©2009 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 HDTV 1080i 1920x1080 33.75 60.00 HDTV 1080i 1920x1080 33.72 59.94 HDTV 1080i 1920x1080 56.250 HDTV 1080p 1920x1080 67.5 HDTV 1080p Copyright ©2009 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 47.72 59.8 84.75 WXGA HDCP 1280*1024 63.595 60.0 108.875 SXGA HDCP/FHD model 1920*1080 67.5 60.00 138.625 WUXGA HDCP/FHD model Copyright ©2009 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
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Page 9: 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. - 9 - LGE Internal Use Only Only for training and service purposes... - Page 10 4) RGB (PC : 1024 x 768 @ 60hz) 5) HDMI 6) PC Audio In * Display and Sound check is executed by Remote controller. Copyright ©2009 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 **: Month : Controlled / Data:00 ***:Year : Controlled R Gain ****:Check sum G Gain B Gain R Cut G Cut B Cut Copyright ©2009 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
- Page 12 ⓔ Checksum: Changeable by total EDID data. Revision Digital : 3 ⓕ Vendor Specific(HDMI) INPUT MODEL NAME(HEX) HDMI1 67030C001000B82D HDMI2 67030C002000B82D HDMI3 67030C003000B82D HDMI4 67030C003000B82D Copyright ©2009 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 C. 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. - 13 - LGE Internal Use Only Only for training and service purposes...
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Page 14: Block Diagram
I C501 CI Slot ( P5 00 ) 74LVC541A Buffer I C502 Tu ner ( TDFW-G235 D1 ) TU10 00 Copyright ©2009 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes... -
Page 15: 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. - 15 - LGE Internal Use Only Only for training and service purposes... - Page 16 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 17 AUDIO OUT AUDIO IN LVDS OUT Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 18 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 19 USB DOWN STREAM Fiber Optic Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 20 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 21 UI_HW_PORT3 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 22 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 23 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 24 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 25 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 26 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 27 Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...