Contents
How To Use This Guide ..................................................................................... 8
LCD & LED TV Repair Tips ............................................................................. 9
AMOI ......................................................................................................... 9
CHANGHONG ......................................................................................... 9
HISENSE ................................................................................................. 10
KONKA ................................................................................................... 13
LG ............................................................................................................. 14
PHILIPS .................................................................................................. 17
SAMSUNG .............................................................................................. 17
SHARP ..................................................................................................... 22
SKYWORTH .......................................................................................... 26
SONY ....................................................................................................... 26
How to Self Test Power Supply Board/IP Board without Connect
Mainboard ........................................................................................................ 28
LCD TV Power Supply (PSU) ............................................................... 30
LCD TV IP Board ................................................................................... 31
SAMSUNG UN46D6900 LED Testing LED Edges Lights Method ... 37
LCD & LED Mainboard Secret Repair Tips ................................................ 39
Mainboard Repair Tips .......................................................................... 41
Another Method to Reset the EEPROM IC......................................... 43
All About T-CON Board .................................................................................. 49
Top 5 Voltages in LCD T-CON Board ................................................. 50
What is T-CON Board ........................................................................... 52
How the T-CON Board Work? ............................................................. 52
How to Know It Is T-CON Board Problem or Mainboard or LCD
Panel Problems? ................................................................................................ 53
T-CON Board Can Do Their Self Test Like PSU Self Test?............55
Various of T-CON Board DC-DC Converter Diagrams and Their
Output Voltages ................................................................................................. 58
Various of T-CON Board Good Voltage Testing Points ..................... 60
Case Study for LCD T-CON Board ...................................................... 67
LCD TV T-CON Board Repair Tips .................................................... 73
Conclusion .......................................................................................................... 93
BONUS-1: LG LCD & LED TV Interconnect Schematic Diagrams.......... 94
LG 32LC50C...................................................95
LG 32LH30 .................................................... 96
LG 37LH55 .................................................... 97
LG 42LH40 .................................................. 100
LG 42LH40 .................................................. 102
LG 47LE8500................................................ 104
BONUS-2: T-CON Board Schematic/Circuits Diagrams
AUO T260XW02-VS ....................................... 110
AUO T315HW02-V2 ....................................... 121
AUO T315HW02-V3 ........................................125
AUO T315XW02-VV .......................................135
AUO T370HW02-VC .......................................146
AUO T370XW02-VF ....................................... 150
AUO T400HW02-V3 ....................................... 154
AUO T400XW01-V7 ....................................... 158
AUO T460HW03-V4 ....................................... 162
LG LC420WX7-SLA1-731 ................................ 166
How To Use This Guide ..................................................................................... 8
LCD & LED TV Repair Tips ............................................................................. 9
AMOI ......................................................................................................... 9
CHANGHONG ......................................................................................... 9
HISENSE ................................................................................................. 10
KONKA ................................................................................................... 13
LG ............................................................................................................. 14
PHILIPS .................................................................................................. 17
SAMSUNG .............................................................................................. 17
SHARP ..................................................................................................... 22
SKYWORTH .......................................................................................... 26
SONY ....................................................................................................... 26
How to Self Test Power Supply Board/IP Board without Connect
Mainboard ........................................................................................................ 28
LCD TV Power Supply (PSU) ............................................................... 30
LCD TV IP Board ................................................................................... 31
SAMSUNG UN46D6900 LED Testing LED Edges Lights Method ... 37
LCD & LED Mainboard Secret Repair Tips ................................................ 39
Mainboard Repair Tips .......................................................................... 41
Another Method to Reset the EEPROM IC......................................... 43
All About T-CON Board .................................................................................. 49
Top 5 Voltages in LCD T-CON Board ................................................. 50
What is T-CON Board ........................................................................... 52
How the T-CON Board Work? ............................................................. 52
How to Know It Is T-CON Board Problem or Mainboard or LCD
Panel Problems? ................................................................................................ 53
T-CON Board Can Do Their Self Test Like PSU Self Test?............55
Various of T-CON Board DC-DC Converter Diagrams and Their
Output Voltages ................................................................................................. 58
Various of T-CON Board Good Voltage Testing Points ..................... 60
Case Study for LCD T-CON Board ...................................................... 67
LCD TV T-CON Board Repair Tips .................................................... 73
Conclusion .......................................................................................................... 93
BONUS-1: LG LCD & LED TV Interconnect Schematic Diagrams.......... 94
LG 32LC50C...................................................95
LG 32LH30 .................................................... 96
LG 37LH55 .................................................... 97
LG 42LH40 .................................................. 100
LG 42LH40 .................................................. 102
LG 47LE8500................................................ 104
BONUS-2: T-CON Board Schematic/Circuits Diagrams
AUO T260XW02-VS ....................................... 110
AUO T315HW02-V2 ....................................... 121
AUO T315HW02-V3 ........................................125
AUO T315XW02-VV .......................................135
AUO T370HW02-VC .......................................146
AUO T370XW02-VF ....................................... 150
AUO T400HW02-V3 ....................................... 154
AUO T400XW01-V7 ....................................... 158
AUO T460HW03-V4 ....................................... 162
LG LC420WX7-SLA1-731 ................................ 166
