LCD/LED Screen Panel Repair Guide
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Copyright @ All Rights Reserved Warning! No part of this E-book/guide may be reproduced or transmitted in any form whatsoever, electronic, or mechanical, including photocopying, printing, recording, or transmitting by any informational storage or retrieval system without expressed written, dated and signed permission from the author. You cannot alter, change, or repackage this document in any manner.
Disclaimer And/ Or Legal Notices The reader is expressly warned to consider and adopt all safety precaution that might be indicated by the activities herein and to avoid all potential hazards.
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LCD/LED Screen Panel Repair Guide
You CANNOT give this E-book away for free. You do not have the rights to redistribute this Ebook in internet or no matter where it is.
Copyright @ All Rights Reserved Warning! No part of this E-book/guide may be reproduced or transmitted in any form whatsoever, electronic, or mechanical, including photocopying, printing, recording, or transmitting by any informational storage or retrieval system without expressed written, dated and signed permission from the author. You cannot alter, change, or repackage this document in any manner.
Disclaimer And/ Or Legal Notices The reader is expressly warned to consider and adopt all safety precaution that might be indicated by the activities herein and to avoid all potential hazards.
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LCD/LED Screen Panel Repair Guide
Limit of Liability/ Disclaimer of Warranty: The author and publisher of this E-book and the accompanying materials have used their best efforts in preparing this program. The authors and publisher make no representation or warranties with respect to the accuracy, applicability, fitness, or completeness of the contents of this program. They disclaim any warranties (expressed or implied), merchantability, or fitness for any particular purpose. The reader is expressly warned to consider and adapt all safety precautions that might be indicated by the activities here in and to avoid all potential hazards. By following the instructions contained herein, the reader willingly assumes all risks in connection with such instructions. The authors and publisher shall in no event be held liable for any loss or other damages, including but not limited to special, incidental, consequential, or other damages. As always, the advice of a competent legal, tax, accounting or other professional should be sought. No this parts of this E-book/Guide/Manual shall be reproduced or transmitted by any means, electronic, mechanical, photocopying, printing and recording or otherwise . Any unauthorized use of this material is prohibited. All product illustration, product names and logo are trademark
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LCD/LED Screen Panel Repair Guide
Thank You for Contribution Here is to thank you to Mr. Vladimir, Mr. Lei Yang, Mr. Jonathan, Mr. Maronga Tapera, Mr. Ganesh and Mr. Huang. Because they had contributed the good repair information in part of this repair guides.
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LCD/LED Screen Panel Repair Guide
Table of Contents How to Use This Repair Guide ........................................................................ 11
Part-1: Basic Theory of How an LCD Screen Work ...................... ...... .................. .. 12 How LCD/LED TV Works? ............................................................................ 14 How an LCD Display Work ............................................................................. 16 What are LCD Screen and LCD Panel? ........................................................ 19 T-con Boar Part Number ................................................................................. 20 TAB/COF IC Part Number ............................................................................. 20 LCD Panel Part or Model Number ................................................................. 21
............................... ................... 22 Part-2: How an LCD/LED Screen Panel Works .............. Types of LCD Panel and Their Structure ...................................................... 23
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LCD/LED Screen Panel Repair Guide The Resolution of an LCD Panel with TAB/COF .......................................... 37 A Block Diagram of Driving an LCD Panel ................................................... 38 Gate Driver Signals & Supply Lines ............................................................... 38 How a CPT CLAA320WB02 LCD Panel Work ............................................ 39 Terminology of the T-con Board and LCD Panel .......................................... 40 Typical Waveform of Gate Driver Control Signals ....................................... 46 Timing Control (TCON) IC CM2681A-KQ Diagram ................................... 51 If These Supply Voltages & Control Signals Missing What will Happen in LCD Panel? .................................................................................................. 52
Part-3: How to Troubleshooting & Repairing LCD/LED Screen & Panel ............................................................................................................. 53 Tools and Equipment for LCD Screen Panel Repair .................................... 54 How to Isolate Display Problem from Mainboard, T-con Board or LCD
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LCD/LED Screen Panel Repair Guide TAB Bypass Modification Repair Case Histories .......................................... 93 How to Solve LG LCD Panel Display Upside Down Problem ...................... 98 How to Solve BOE HV320WXC-200 Panel Upside Down Problem .......... 102 Display Left Right Reverse Problem Solved ................................................ 104 White Screen Problem on V315B3-C04 T-con Board ................................. 106 No Display or Grey Screen - Common Fault on LG 370WX4-SLA1 (6870C-0158A) ................................................................................................ 108 AUO T460HB01 V0 (46T12-C01) T-con Board with Randomly No Display Problem ............................................................................................................ 109 LG 470WU5-SLA1(6870C-0140B) No Display Problem Solved ................ 110 How to Solve Samsung LCD TV Oil Painting Display Problem ................ 112 How to Repair LCD TV Symptom with Blue Screen and Vertical Bars .. 116 How to Repair the Display Washed Out Screen Problem .......................... 118 How to Easily Remove AS-15F or AS-15HF IC without 3 Minutes .......... 120
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LCD/LED Screen Panel Repair Guide Samsung Display Distortion (Oily Painting Display) Repair Solution ...... 159 This LCD Panel Display Problem is Beyond Repair ................................... 164
BONUS-A: LG LED/LCD TV Interconnect Schematic Diagrams 32LD350-Interconnect…………………………..168 32LG40-Interconnect……………………………171 42LG70-Interconnect……………………………173 42LH20-Interconnect……………………………177 42LK520-Interconnect…………………………..179 42SL80-Interconnect…………………………….186 47GA6400-Interconnect…………………………190 47LG90-Interconnect……………………………202 47LH85- Interconnect……………………………206 55GA6400-Interconnect…………………………210
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LCD/LED Screen Panel Repair Guide LG LC470WUN-SAA2-731_6870C-4200C ……257 Samsung LTA320AP02…………………………276
BONUS-B (This bonus NOT listed in this Ebook, it’s on the Download Page)
* Collection of T-con Board Repairing Information (Over 50+ Models of T-con Board) * LG TFT-LCD-Production-Process-Explained * LG 2012 Understanding T-con Troubleshooting & Training Guide
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