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LG HW300Y Service Manual
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LG HW300Y Service Manual

LG HW300Y Service Manual

Chassis: fm12a
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See also: Owner's Manual
DLP PROJECTOR

SERVICE MANUAL

CHASSIS : FM12A
MODEL : HW300Y
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67213602(1105-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
HW300Y-JE
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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Summary of Contents for LG HW300Y

  • Page 1: Service Manual

    Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com DLP PROJECTOR SERVICE MANUAL CHASSIS : FM12A MODEL : HW300Y HW300Y-JE CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67213602(1105-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS .......................2 SAFETY PRECAUTIONS .................3 SPECIFICATION ....................4 ADJUSTMENT INSTRUCTION.................5 BLOCK DIAGRAM..................13 EXPLODED VIEW...................14 SCHEMATIC CIRCUIT DIAGRAM..............Copyright © 2011 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 © 2011 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Specification

    Picture size WXGA (1280 x 800) Aspect ratio 16:10 Operating Temperature Operating Humidity Storage Temperature 10. Storage Humidity Copyright © 2011 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...

  • Page 5: Adjustment Instruction

    (Fig. 4-1-3) Illuminator Left/Right Adjustment Sequence 2 three locations and complete the adjustment of the lights when they are tightened to the maximum. Copyright © 2011 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
  • Page 6 C Left At first, right illuminator goes down and (loosen upside illuminator also goes down. direction) Copyright © 2011 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 (Fig. 4-4) Bushing verification location (Fig.6-2-1) Adjustment Menu when ADJ is selected (Left) (Fig.6-2-2) Selection Category on ADJ Adjustment Menu (Right) Copyright © 2011 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 (8) To verify the adjustment result, enter ADC Calibration or IN-START and verify.(Fig. 7-2-3, Fig. 7-2-4) (Fig. 8-3-2) Play file: keydownload.exe icon(Left) (Fig. 8-3-3) Play file: keydownload.exe(Right) Copyright © 2011 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...

  • Page 9: White Balance Adjustment

    (Fig. 10-3-1) Selection Category on ADJ Adjustment Menu (5) To exit, press IN-START or EXIT of the adjustment remote controller again to exit. Copyright © 2011 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 CCA, it can be judged as a deviation due to meter/environment. (Only for Warm Mode and Cool Mode) (Fig. 11-1-2) Copyright © 2011 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 - Verify if it is at least HW300 Brightness Min Spec 210 brightness are displayed. ANSI lm.(Type : 255 ANSI-lm) Copyright © 2011 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 60 26 36 80 A0 70 38 1F 40 30 20 25 00 7E 8A 42 00 70 00 1A 00 00 00 00 00 00 00 00 00 00 00 00 00 AF Copyright © 2011 LG Electronics. Inc. All right reserved. - 12 -...

  • Page 13: Block Diagram

    BLOCK DIAGRAM Copyright © 2011 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...

  • Page 14: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 2010.09.01 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. GP2_BCM_ATSC Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 16 09/10/xx ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM-BOOT/FLASH/GPIO Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 17 2010.09.01 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. BCM-DDR Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 18 HW300-JE 2010.09.01 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 19: Fan Control

    2010.09.01 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Power Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 20 HS151 PP 2008.12.15 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 21 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HW300 2010.12.20 Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 22 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR KEYPAD THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 23 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LED DRIVER LED Driver Copyright © 2011 LG Electronics Inc. All rights reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 25: Trouble Shooting

    Trouble shooting Applied chassis: FM12A/B LG Electronics/ LCD TV Division Projector Team PHS Gr. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 5.Check 14.6V : L205 6. Check R8059, IC8004 6. Check 2.5V : L8017 7. Check R8082, IC8006 7. Check 1.9V : L8022 Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 (Main) R526, R529 Check R815, R816 Check IF_P/N Signal Replace Q803, Q804 Q803, Q804 (Main) L802 Replace BCM(IC10) or Main Board. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 (Main) R526, R529 Check IF_P/N Signal Check R921, R923 (Main) R530, R531 Check C891 (Main) Replace C891 Replace BCM (10) or Main Board. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 Check JK902 CVBS Signal Line 1.Resolder R904, C903 1.R904, C903 Check CVBS_DET Signal 1.Replace R911 1.R911 Replace BCM3549(IC10) or Main Board. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 -.Replace IC1402 Check P901 Replace P901 H/V_Sync/R/G/B Signal LineR1437, R1438 Check DSUB_DET Replace P901 R908, R975 Replace BCM3549(IC10) or Main Board. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Replace IC10 or Main Board (Main) R993, 964, 999, 988, 930 If no problem, check signal line Replace BCM(IC10) or Main Board. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 Check Output Signal R1508,R1510 Replace R1508, R1511 -.Re-solder Pin5.9 Check Ic1501 of pin 5,9 -.Replace IC1501 Check speaker resistance Replace speaker. and connector damage. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 Bad Tuner. Replace Tuner(IC501). R526, R505 Check TU_SIF path Replace component Including Q803 TR buffer Follow procedure ‘8. All source audio’ trouble shooting guide. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 (Main) L515 Check SIF Signal Bad Tuner. Replace Tuner(IC501). Check R530, R923 Follow procedure ‘ All source audio’ trouble shooting guide. Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 Replace or rework IC1501 Check JK1501 (Main B/D JK1501 Pin 1, 4) Replace or rework R1514, R1515, C1505, C1511 Replace JK1501 Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 - USB power could be disabled by inrushing current - In this case, remove the device and try to reboot the TV (AC power off/on) Copyright © 2011 LG Electronics Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 12. Trouble shooting - SW download The latest S/W put in the ‘LG DTV’ folder of USB Memory USB connects to USB jack If SW update screen appears, push the OK button. The SW update is finished, please check new SW version by in-start menu.

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