LG 22LN45**-Z* - Manual

LG 22LN45**-Z*

LG 22LN45**-Z* – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – CONTENTS
  • Page 3 – General Guidance; isolation Transformer should always be used; Before returning the receiver to the customer,; AC leakage current check; Leakage Current Cold Check(Antenna Cold Check); Do not use a line Isolation Transformer during this check.; Leakage Current Hot Check circuit; IMPORTANT SAFETY NOTICE; SAFETY PRECAUTIONS
  • Page 4 – SERVICING PRECAUTIONS; CAUTION
  • Page 5 – IC Remove/Replacement; Removal; Circuit Board Foil Repair; At IC Connections
  • Page 6 – SPECIFICATION; Requirement for Test; Supported satellite : 22 satellites
  • Page 9 – Specification
  • Page 10 – ADJUSTMENT INSTRUCTION; Main PCB check process
  • Page 11 – : Color Characteristics; Connection : PCBA (USB Port) → USB to Serial Adapter
  • Page 12 – Total Assembly line process
  • Page 15 – TROUBLE SHOOTING
  • Page 19 – LG; Option; BLOCK DIAGRAM
  • Page 20 – EXPLODED VIEW
  • Page 22 – M O D E L O P T I O N; M E M O R Y O P T I O N
  • Page 24 – M H L O C P; H D M I _ 2 W i t h M H L
  • Page 25 – M O D U L E & C O N T R O L; I R / L E D a n d C o n t r o l; M o d u l e
  • Page 26 – H e a d p h o n e b l o c k; A U D I O A M P
  • Page 27 – A M P _ V C C C o n t r o l
  • Page 28 – LED DRIVER
  • Page 30 – * O p t i o n n a m e o f t h i s p a g e : C I _ S L O T
  • Page 32 – F U L L S C A R T; S C A R T / C O M P O N E N T & C V B S
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Printed in Korea

P/NO : MFL67651304 (1303-REV00)

CHASSIS : LC31A / LD31T

MODEL : 22LN45**

22LN45**-Z*

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

LED TV

SERVICE MANUAL

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

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Summary

Page 2 - CONTENTS

- 2 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ................................................

Page 3 - General Guidance; isolation Transformer should always be used; Before returning the receiver to the customer,; AC leakage current check; Leakage Current Cold Check(Antenna Cold Check); Do not use a line Isolation Transformer during this check.; Leakage Current Hot Check circuit; IMPORTANT SAFETY NOTICE; SAFETY PRECAUTIONS

- 3 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View. It is e...

Page 4 - SERVICING PRECAUTIONS; CAUTION

- 4 - LGE Internal Use Only Copyright © LG Electronics. Inc. All rights reserved. Only for training and service purposes SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this ...

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