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LG BX401C Service Manual
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LG BX401C Service Manual

Chassis fm84e
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DLP PROJECTOR
SERVICE MANUAL
CHASSIS : FM84E
MODEL : BX401C
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL62399103 (0909-REV00)
Internal Use Only
website:http://biz.LGservice.com
BX401C-JD
Printed in Korea

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Summary of Contents for LG BX401C

  • Page 1 Internal Use Only website:http://biz.LGservice.com DLP PROJECTOR SERVICE MANUAL CHASSIS : FM84E MODEL : BX401C BX401C-JD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL62399103 (0909-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    REPLACING THE LAMP ..................4 SPECIFICATIONS.....................6 ADJUSTMENT INSTRUCTION.................9 BLOCK DIAGRAM..................15 EXPLODED VIEW...................20 SVC. SHEET ....................... PRINTED CIRCUIT BOARD ................Copyright © 2009 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 © 2009 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Replacing The Lamp

    - Never touch the lamp unit glass otherwise image quality may be compromised or lamp life maybe reduced. 3. To obtain a replacement Lamp unit Lamp model number is on page 41. Check the lamp model and then purchase it from an LG Electronics Service Center. Using another manufacturers lamp may cause damage to the projector.
  • Page 5 Make sure the lamp cover is securely fastened. If the lamp cover is not installed correctly the unit will not power on. If this fault persists contact an LG Authorized Service Center. Copyright © 2009 LG Electronics. Inc. All right reserved.

  • Page 6: Specifications

    4.286 / 50Hz Power SMPS Input Voltage AC90V-240V~@ 50/60Hz Market World wide Operating Temperature Operating Humidity Storage Temperature Storage Humidity Copyright © 2009 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 6 - Only for training and service purposes...
  • Page 7 Black level Low / High HDMI(YCbCr input),HDMI(RGB DTV input) Video 4:3 / 16:9 Overscan Off~10% Component1,Component2, RGB1, RGB2, HDMI Copyright © 2009 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 RGB2 only) Vertical Position The Min and max value can be different depends on input resolutions. (RGB1, RGB2 only) Copyright © 2009 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...

  • Page 9: Adjustment Instruction

    Left and right adjustment screw C Left and right adjustment screw B <Fig. 4-1> Illuminator Adjustment Part by Folding Mirror Copyright © 2009 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 (2) Optical axis : Adjust so that it is set at the center. <Fig. 4-3> Coherent Light Source Copyright © 2009 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 EDID Write Protection may not be released, perform (2) ~ (4) again. DLP PJTR SET <Fig. 6-1> Device setting diagram for EDID data input Copyright © 2009 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 * When there is no adjustment, no OSD is displayed. * When there is no input signal, the sub-item ‘Auto Gain/Offset Set’ of the COMPONENT1 ADJUSTMENT is not displayed. Copyright © 2009 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only...
  • Page 13 <Fig. 12> Device Setting Diagram at the center, the color coordinates of the illuminometer. <Fig. 10-2> Full RED Pattern Copyright © 2009 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 - Correctly set to the screen size by model as shown at <Fig. 12-3>. <Fig. 6-3> Brightness Measuring Screen Size Copyright © 2009 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...

  • Page 15: Block Diagram

    BLOCK DIAGRAM Copyright © 2009 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. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 Copyright © 2009 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 Copyright © 2009 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 Copyright © 2009 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...

  • Page 20: Exploded View

    EXPLODED VIEW Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 Window,CUTTING GLASS FILTER DX540-JD GLASS PRODISC UV/IR CUT FILTER MAZ41605601 Bracket,CASTING MG AZ91D BRACKET DX630 - MG DX630 BRACKET INTERFACE AKB36144901 Remote Controller Assembly,PROJECTOR REMOCON Copyright © 2009 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
  • Page 22 Copyright © 2009 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
  • Page 23 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 24 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 25 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 26 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 27 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 28 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 29 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 30 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 31 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 32 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 33 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 34 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 35 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 36 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 37 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 38 Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Onl...

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