Acer ET.L1307.150 manual Trouble shooting, Defect Mode Failure Analysis Repair Testing

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Chapter 4

Trouble shooting

This chapter provides troubleshooting information for the AL1715:

Defect Mode

Failure Analysis

Repair

Testing

Abnormal

Display

Missing Line

Bright Dot

Dark Dot

Light Leakage

Mura

Image Sticking

Dot Defect

Brightness Spot

Dot Defect

Particle

No display

Check Panel Panel Change

Check Power Board

 

Change Power Board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Main board

 

Change Main board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Panel

 

Change Panel

 

 

 

 

 

 

 

 

 

 

 

Check Keyboard

 

Change Keyboard

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Line Connected

 

 

Change Wires

 

 

Power board and Mainborad

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Noise

 

 

Check Main board

 

Change Main board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check Panel

 

Change Panel

 

 

 

 

 

 

 

 

Test

NG

A

Next

Completed

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Contents Acer AL1715 Service Guide Disclaimer CopyrightScreen Messages ConventionsPreface Page Precautions Special Notes on LCD Monitors Table of Contents Chapter Monitor FeaturesCUL, FCC, VCCI, CCC, MPRII, CE, TÜV/GS Factory Preset Timing Table Lamp Monitor Block DiagramVGA Hs / Vs Main Board DiagramSoftware Flow Chart Page Description Monitor Board LayoutInverter Board Layout Front Bezel Back Bezel Operating Instructions Power ButtonVolume down Power Indicator Volume upAuto Adjust button / Exit OSD Menu Description for control function How to adjust a settingDescription for Hot-Key function Hot-Key MenuDescription for OSD Message OSD MessagePicture Description Machine DisassemblyPicture Description Strength Defect Mode Failure Analysis Repair Testing Trouble shooting\G\B LED Connector Information FRU Field Replaceable Unit List Exploded DiagramComponent Shield Function board Page Input Schematic DiagramScaler TSU16AK Panel Interface MCU Online Support Information Appendix