Related Manuals for LG 19LC2D
Summary of Contents for LG 19LC2D
- Page 1 LCD TV SERVICE MANUAL CHASSIS : LA75E MODEL : 19LC2D 19LC2D-UB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
SAFETY PRECAUTIONS ................3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION ..............8 TROUBLE SHOOTING ................12 BLOCK DIAGRAM...................16 EXPLODED VIEW .................. 18 SVC. SHEET ....................Copyright © 2007 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
Page 3: Safety Precautions
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 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
Temp : 0 ~ 40 deg Humidity : 10~90 %RH Storage Environment Temp : -20 ~ 50 deg Humidity : 10~90 %RH Copyright © 2007 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 HDTV 1080P 1920*1080 33.75 30.00 74.25 HDTV 1080P 1920*1080 67.43 59.94 148.35 HDTV 1080P 1920*1080 67.5 60.00 148.50 Copyright © 2007 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
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Page 8: Adjustment Instruction
7) After downloading, check “OK” message. MODEL : 223 in Pattern Generator (1080i Mode) PATTERN : 08 in Pattern Generator(MSPG-925 Series) Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes... - Page 9 (3) Set PSM : Standard / CSM : Cool (4) Confirm whether x = 0.283±0.015, y = 0.297±0.015(9300°K ± 1000°K) or not. Copyright © 2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
- Page 10 AUTO_INPUT CHANGE 0,1,2,4 0 : TV, 1 : AV1, 2 : AV2, 3 : Component, 4 : RGB, 5 : DVI Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 PC. (128th Data is the CheckSum of 127-bytes data : That’s OK if the value of adding 128-bytes Data is Zero) Data 128 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: Trouble Shooting
Check Output of Change IC705. IC705. Pass Fail Check LED Ass’y. Change LED Ass’y. Pass Check P304 & Connector. Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes... - Page 13 Check panel link Change panel link cable or module. cable or module. Pass Check Input source Cable and Jack. Copyright © 2007 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
- Page 14 Re-soldering of Change defect part. Check input/output Check the X100. of IC100. Pass Check input source cable and jack. Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 Re-soldering or Change the defect part. output of IC500 Pass Fail Check the Speaker. Change the Speaker. Pass Check the Speaker wire. Copyright © 2007 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
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Page 16: Block Diagram
BLOCK DIAGRAM 1. MAIN BOARD Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes... - Page 17 And the automatic regulation and horizontal/vertical location , clock/clock phase regulation which the user regulates, it will be able to regulate through OSD in order, it controls. Copyright © 2007 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only...
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Page 18: Exploded View
EXPLODED VIEW Copyright 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. LGE Internal Use Only Only for training and service purposes...
- Page 20 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 21 Dec., 2007 P/NO : MFL38731323 Printed in Korea...