Samsung 32 and 40 inch LCD TVs – T’Con board problems – No display, Distorted picture, vertical lines or bars

Samsung T’con Board: 320WTLF3C2LV0.3

LCD Panel: 32 inches 
Vcc input= 5V
* IC12= 7585A power management IC. If this IC fails the TV will have No Display.
* IC18= EEPROM memory IC. If this IC fails, the TV will have No Display or White Screen.
* U1= TFP7517PNP. If this IC fails, the TV will have No Display or Display Abnormal problem.
* U1= EM638325TS-7G SDRAM memory IC. If this IC fails, TV will have No Display or Display Distortion

Samsung T,con Board: 400W2C4LTV0.1

LCD Panel: 40 inches

Vcc input= 5V

* OP3 = 54200CRZ & another one if this IC fail, one of the half (left or right side) will No Display or Display Abnormal.

* ICG1= 5327CRZ. If this IC fails, the TV will have No Display.

* ICD3= 2700NT power management IC. If this IC fails, the TV will have No Display.

* ICt1= LRX4222 IC. If this IC fails, the TV will have No Display or Display Distortion problem.

* ICD1 is a SDRAM memory IC. If this IC fails, the TV will have No Display or Display Distortion problem.

Samsung T’con Board: 400W2C4LV1.5

LCD Panel: 40 inches
Vcc input= 5V

IC320= EL7585AIL power management IC. If this IC fails TV will have No Display.
2) ICT1= LRX4222T3. If this IC fails, the TV will have No Display or Full Screen of Vertical Lines/Bars.
3) ICD1 is a SDRAM memory IC. If this IC fails, the TV will have No Display or Display Distortion problem.
4) IC322= 24006IRZ. If this IC fails, the TV will have No Display.