Related Manuals for LG 47LY3DE
Summary of Contents for LG 47LY3DE
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Page 1: Service Manual
Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LB75B MODEL : 47LY3DE 47LY3DE-AA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. -
Page 2: Table Of Contents
TROUBLE SHOOTING & BLOCK DIAGRAM ........17 EXPLODED VIEW .................. 43 REPLACEMENT PARTS LIST ............... 45 SVC. SHEET ....................Copyright © 2007 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 © 2007 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 © 2007 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 © 2007 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 © 2007 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 85% Full white pattern Color Distortion, DG 10.0 Color Distortion, DP 10.0 Color S/N, AM/FM 43.0 Color Killer Sensitivity Copyright © 2007 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 Contrast ratio = Lw / Lb * If it does not use Prior measurement, use generally simple test measurement. The Correct measure specification is followed by IEC61988-2/CD, JAPAN EIAJ-2710 Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only...
- Page 9 108.000 VESA(SXGA) 1280*1024 79.976 75.025 135.000 VESA(SXGA) 1600*1200 75.000 60.000 162.000 VESA(UXGA) 1920*1080 67.500 60.000 148.500 HDTV 1080P Copyright © 2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 1920*1080 33.716/33.750 29.97/30.00 74.1762/74.25 HDTV 1080P 1920*1080 56.25 50.00 148.50 HDTV 1080P 1920*1080 67.43/67.50 59.94/60.00 148.50 HDTV 1080P Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 Height(H) Dimension Before Packing 1144.3 825.5 With Stant After Packing 1230 Product Only SET 37.4 With BOX 41.3 Copyright © 2007 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
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Page 12: Adjustment Instruction
- Adjust Video-Set (or Digital Board) - Adjust White Balance Device configuration diagram for HDMI EDID Data input Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes... - Page 13 60 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C 25 80 4C 70 6C 42 00 00 9E 00 00 00 00 00 00 00 00 00 00 DD Copyright © 2007 LG Electronics. Inc. All right reserved. - 13 -...
- Page 14 ‘AV-PAL Configuration Success’ is displayed. If the adjustment is failed, the message ‘AV-PAL Configuration Fail’ is displayed. Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
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Page 15: White Balance Adjustment
(D) Connect the HDMI Cable to the set. (Limited to HDMI option) (E) Select and adjust the model applicable to LB75B chassis from the adjustment device. Copyright © 2007 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only... - Page 16 Color coordinate chart when using CA-210 CH 9 * Brightness: Full white 216 gray Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
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Page 17: Trouble Shooting & Block Diagram
Copyright © 2007 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes... - Page 18 Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 Copyright © 2007 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
- Page 20 Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
- Page 21 Copyright © 2007 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
- Page 22 Copyright © 2007 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
- Page 23 Copyright © 2007 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
- Page 24 Copyright © 2007 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
- Page 25 Copyright © 2007 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
- Page 26 Copyright © 2007 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
- Page 27 Copyright © 2007 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
- Page 28 Copyright © 2007 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
- Page 29 Copyright © 2007 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...
- Page 30 Copyright © 2007 LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes...
- Page 31 Copyright © 2007 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...
- Page 32 Copyright © 2007 LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes...
- Page 33 Copyright © 2007 LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only Only for training and service purposes...
- Page 34 Copyright © 2007 LG Electronics. Inc. All right reserved. - 34 - LGE Internal Use Only Only for training and service purposes...
- Page 35 Copyright © 2007 LG Electronics. Inc. All right reserved. - 35 - LGE Internal Use Only Only for training and service purposes...
- Page 36 Copyright © 2007 LG Electronics. Inc. All right reserved. - 36 - LGE Internal Use Only Only for training and service purposes...
- Page 37 Copyright © 2007 LG Electronics. Inc. All right reserved. - 37 - LGE Internal Use Only Only for training and service purposes...
- Page 38 Copyright © 2007 LG Electronics. Inc. All right reserved. - 38 - LGE Internal Use Only Only for training and service purposes...
- Page 39 Copyright © 2007 LG Electronics. Inc. All right reserved. - 39 - LGE Internal Use Only Only for training and service purposes...
- Page 40 Copyright © 2007 LG Electronics. Inc. All right reserved. - 40 - LGE Internal Use Only Only for training and service purposes...
- Page 41 Copyright © 2007 LG Electronics. Inc. All right reserved. - 41 - LGE Internal Use Only Only for training and service purposes...
- Page 42 Copyright © 2007 LG Electronics. Inc. All right reserved. - 42 - LGE Internal Use Only Only for training and service purposes...
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Page 43: Exploded View
EXPLODED VIEW - 43 - LGE Internal Use Only Copyright LG Electronics. Inc. All right reserved. Only for training and service purposes... - Page 44 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
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Page 45: Replacement Parts List
/FLASH_CS THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes... - Page 46 Oct., 2007 P/NO : MFL40360705 Printed in Korea...