Related Manuals for LG 47LG50DC-UA
Summary of Contents for LG 47LG50DC-UA
- Page 1 Internal Use Only website:http://biz.LGservice.com LCD TV SERVICE MANUAL CHASSIS : LA85Z MODEL : 47LG50DC 47LG50DC-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 10 TROUBLE SHOOTING ................17 BLOCK DIAGRAM.................. 28 EXPLODED VIEW .................. 29 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 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 : 0 ~ 85 % Copyright 2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P Copyright 2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
- Page 8 1280*1024 63.981 60.020 108.00 VESA(SXGA) 1280*1024 79.976 75.025 VESA(SXGA) 1600*1200 75.00 60.00 VESA(UXGA) 1920*1080 62.95 55.96 138.5 HDTV 1080P Copyright 2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
- Page 9 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P Copyright 2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
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Page 10: Adjustment Instruction
7) If the adjustment is failed, check the pattern or the adjustment condition and then readjust Copyright 2008 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes... - Page 11 4.2 Device to use - PC (S/W included: EDID Data Write & Read) - EDID DOWNLOAD JIG - HDMI Cable, D-sub Cable Copyright 2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
- Page 12 O HDMI1 EDID (DDC (Display Data Channel) Data O HDMI2 EDID (DDC (Display Data Channel) Data Copyright 2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
- Page 13 - For the LCD, make sure that the back light is turned on by using no signal and the full white pattern or others. Copyright 2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 - Resisting pressure TEST = between POWER CORD volume +/- key to adjust GND and LIVE & NEUTRAL O LEAKAGE CURRENT: Set to 0.5mArms Copyright 2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 - PORT: Select the Parallel Port to use (LPT1 in general) *caution: Select the EPP as LPT from the ROM BIAS setting. Copyright 2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
- Page 16 Stick from the USB jack. 6) Press the IN-START button of the remote controller to check the upgraded S/W version. 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
TROUBLESHOOTING Copyright 2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes... - Page 18 Copyright 2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 Copyright 2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
- Page 20 Copyright 2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
- Page 21 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...
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Page 28: Block Diagram
BLOCK DIAGRAM Copyright 2008 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes... -
Page 29: 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. - 29 - LGE Internal Use Only Only for training and service purposes... - Page 30 SCHEMATIC DIAGRAM Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 31 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 32 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 33 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 34 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 35 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 36 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 37 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 38 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 39 Copyright LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 40 Aug., 2008 P/NO : MFL41524424 Printed in Korea...
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