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Summary of Contents for LG 47LG70YD
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Page 1: Service Manual
Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LB81D MODEL : 47LG70YD 47LG70YD-AA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
PRODUCT SAFETY ..................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION..............11 TROUBLE SHOOTING ................17 BLOCK DIAGRAM...................21 EXPLODED VIEW .................. 33 SVC. SHEET ....................Copyright 2008 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 2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... -
Page 4: Servicing Precautions
Copyright 2008 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes... - Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright 2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Specification
2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 ~ 60 deg 2) Humidity : ~ 85 % Copyright 2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 6,500 85% Full white pattern Color Distortion, DG 10.0 Color Distortion, DP 10.0 Color S/N, AM/FM Color Killer Sensitivity Copyright 2008 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 1366*768 47.56 59.6 84.75 WXGA 1280*1024 63.595 60.0 108.875 SXGA 1920*1080 66.647 59.988 138.625 WUXGA Copyright 2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
- Page 9 56.250 148.500 HDTV 1080P 50Hz HDCP 1920*1080 67.433 59.94 148.352 HDTV 1080P HDCP 1920*1080 67.500 148.500 HDTV 1080P HDCP Copyright 2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 Height(H) Dimension Before Packing 1156.2 342.9 813.1 With Stant After Packing 1266 Product Only SET 29.5 With BOX 35.4 Copyright 2008 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) Fishing the version uploading, you have to put USB stick and “AC Power” off. filexxx.bin 6) After putting “AC Power” on and check updated version on your TV. Copyright 2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes... - Page 12 MODEL : 209 in Pattern Generator(480i Mode) Pattern : 65 in Pattern Generator (MSPG-925 Series, MPSG-1025D) - 7 color bar. Copyright 2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 For correct it to the model’s module from factory JIG model. * Don’t push The “IN STOP KEY” after completing the function inspection. Copyright 2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 EDID data storage EEPROM automatically when you push down “power only key”, Download progress is not needed. Copyright 2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 20 : SCART1 3-Page 0~7F Read 30 : SCART2 3-Page 80~FF Read 40 : Component 60 : RGB 90 : HDMI Copyright 2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
- Page 16 PC. (128th Data is the CheckSum of 127-bytes data : That’s OK if the value of adding 128-bytes Data is Zero) START Data 1 Data 128 STOP Copyright 2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
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Page 17: Troubleshooting
IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes... - Page 18 IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
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Page 20: Hdmi Doesn't Display
IC(IC100) have some troubles. After checking thoroughly all path once again, You should decide to replace Main Board or not. Copyright 2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes... -
Page 21: Block Diagram
BLOCK DIAGRAM Copyright 2008 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes... - Page 22 Copyright 2008 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
- Page 23 Copyright 2008 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
- Page 24 Copyright 2008 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
- Page 25 Copyright 2008 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
- Page 26 Copyright 2008 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
- Page 27 Copyright 2008 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
- Page 28 Copyright 2008 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
- Page 29 Copyright 2008 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
- Page 30 Copyright 2008 LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
- Page 31 Copyright 2008 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...
- Page 32 Copyright 2008 LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes...
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Page 33: Exploded View
X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright 2008 LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only Only for training and service purposes... -
Page 34: Schematic Diagram
SCHEMATIC DIAGRAM Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes... - Page 35 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 36 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 37 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 38 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 39 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 40 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 41 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 42 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 43 Copyright 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 44 Jun., 2008 P/NO : MFL47147109 Printed in Korea...
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