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LG 42PC5D Service Manual
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LG 42PC5D Service Manual

LG 42PC5D Service Manual

Plasma tv
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PLASMA TV
SERVICE MANUAL
CHASSIS : PB73B
MODEL : 42PC5D
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Internal Use Only
website:http://biz.LGservice.com
42PC5D-AB

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Questions and answers

Edwarda
April 6, 2025

why is it that on my option there is no language there is instead pc and some other Korean writtings in place of language as shown on the tv manual

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1 comments:
Mr. Anderson
April 6, 2025

The LG 42PC5D TV may display Korean writings because the on-screen menu language is set to Korean. The manual indicates that there is a "Language Selection" option available in the on-screen menus. To change it, access the TV’s menu settings and navigate to the language selection section to set it to your preferred language.

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Summary of Contents for LG 42PC5D

  • Page 1 Internal Use Only website:http://biz.LGservice.com PLASMA TV SERVICE MANUAL CHASSIS : PB73B MODEL : 42PC5D 42PC5D-AB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Table Of Contents

    SPECIFICATIONS ....................4 ADJUSTMENT INSTRUCTIONS .................5 TROUBLE SHOOTING GUIDE ................10 BLOCK DIAGRAM ....................30 EXPLODED VIEW .....................38 SCHEMATIC DIAGRAM..................PRINTED CIRCUIT DIAGRAM ................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: Specifications

    42X4A(LGE) Operating Environment 1) Temp 0~40deg 2) Humidity : ~80% Storage Environment 1) Temp : -20~60deg 2) Humidity : ~85% Copyright©2007 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...

  • Page 5: Adjustment Instructions

    - Turn on the JIG. - Run the DDC recording S/W (EDID Data Write & Read). (Execute in DOS mode) Copyright©2007 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Adjustment Method

    2) After turning VR951, voltage of D.M.M adjustment as same as Va voltage which on label of panel right/top. (Deviation; ±0.5V) Copyright©2007 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 3) When it enters into the adjustment mode, the screen is automatically switched to TV 3CH and the following window is displayed. Copyright©2007 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 4) Connect the HDMI Cable to the set. (Limited to the set with HDMI option) 5) Select and adjust the model applicable to PB75A chassis from the adjuster. Copyright©2007 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 C0, C5, C6, S11, C20, C35, C52, C68 COOL CA-100 0.276±0.002 0.283±0.002 Digital MEDIUM CA-100 0.285±0.002 0.293±0.002 WARM CA-100 0.313±0.002 0.329±0.002 Copyright©2007 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...

  • Page 10: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE 1. Video (1)NO OSD <FHD> Copyright©2007 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 1. Video (2)NO OSD <FHD> Copyright©2007 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 1. Video (3)Video Path Copyright©2007 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 1. Video (4)RF Mode Copyright©2007 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 1. Video (5) DTV/CAD TV Copyright©2007 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 1. Video (6) DTV Copyright©2007 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 16 1. Video (7) Component/RGB Copyright©2007 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 1. Video (8) Component/RGB Copyright©2007 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 1. Video (9) HDMI/DVI Copyright©2007 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 1. Video (10) HDMI/DVI Copyright©2007 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
  • Page 20 1. Video (11) POWER1 Copyright©2007 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 1. Video (12) POWER2 Copyright©2007 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...
  • Page 22 2. Audio (1) All path Copyright©2007 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes...
  • Page 23 2. Audio (2) Common Sound Out Copyright©2007 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...
  • Page 24 2. Audio (3) TV RF No Sound Copyright©2007 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes...
  • Page 25 2. Audio (4) DTV No Sound Copyright©2007 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...
  • Page 26 2. Audio (5) TV RF No Sound / DTV No Sound Copyright©2007 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes...
  • Page 27 2. Audio (6) AV/Component/RGB No Sound Copyright©2007 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...
  • Page 28 2. Audio (7) HDMI No Sound Copyright©2007 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes...
  • Page 29 2. Audio (8) AV/Component/RGB No Sound / HDMI No Sound Copyright©2007 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...

  • Page 30: Block Diagram

    BLOCK DIAGRAM 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: Exploded View

    EXPLODED VIEW 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. LGE Internal Use Only Only for training and service purposes...
  • Page 40 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 41 PRINTED CIRCUIT BOARD MAIN(BOTTOM) MAIN(TOP) SIDE A/V(TOP) Control B/D (TOP) Pre AMP(TOP) Control B/D (TOP) Pre AMP(BOTTOM) SIDE A/V(BOTTOM) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 42 Nov., 2007 P/NO : MFL39439102 Printed in Korea...

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