DOWNLOAD LG 55LV770S (CHASSIS:LD12D) Service Manual ↓ Size: 14.21 MB | Pages: 86 in PDF or view online for FREE

Model
55LV770S (CHASSIS:LD12D)
Pages
86
Size
14.21 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
55lv770s-chassis-ld12d.pdf
Date
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Standard Repair Process Detail Technical Manual
Adjustment Test pattern - ADJ Key
A. Video error_Color error 
You can view 6 types of patterns using the ADJ Key
Checking item : 1. Defective pixel
2. Residual image
3. MODULE error (ADD-BAR,SCAN BAR..)
4.Video error (Classification of MODULE or Main-B/D!)
A12
Established 
date 
Revised 
date 
Error 
symptom
Content
LCD  TV
A12
2010.12.14
Solder defect, CNT Broken
T-Con Defect, CNT Broken
T-Con Defect, CNT Broken
T-Con Defect, CNT Broken
Solder defect, CNT Broken
Solder defect, CNT Broken
Solder defect, CNT Broken
Solder defect, CNT Broken
Abnormal Power Section
Solder defect, Short/Crack
Abnormal Power Section
Solder defect, Short/Crack
Appendix : Exchange T-Con Board (1)
A - 1/5
Abnormal Power Section
Solder defect, Short/Crack
Abnormal Power Section
Solder defect, Short/Crack
Fuse Open, Abnormal power section
Noise
GRADATION
GRADATION
Abnormal Display
Appendix : Exchange T-Con Board (2)
A - 2/5
Appendix : Exchange PSU(LED driver)
No Light
Dim Light
Dim Light
Dim Light
No picture/Sound Ok
A - 3/5
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