Master Electronics Repair !: TECH TROUBLESHOOTING – SAMSUNG TCON BOARD - 260W2C4LV1.0 - 260W2C4LV1.6 - 320W2C4LV1.4 - 320W2C4LV6.4

A) 260W2C4LV1.0
26 inches Panel
Note: Vcc input= 5V

1) OP2 & OP3= EL5420CRE IC.

If this IC failed, it will cause No Display.

2) ICT8= EL7581IREZ power management IC.

If this IC failed, it will cause No Display.
3) ICT1= LRX4222T2.

If this IC failed, it will cause No Display or Full Screen of Vertical Lines/Bars.
4) ICD1 SDRAM memory IC.

If this IC failed, it will cause No Display or Display Distortion problem.

B) 260W2C4LV1.6

26 inches Panel
Note: Vcc input= 5V

1) D3 & D8 both are Diodes.

If one of this component failed, it will cause No Display.
2) IC320= 7585A is a power management IC.

If this IC failed, it will cause No Display.
3) ICT1= LRX4222T2.

If this IC failed, it will cause No Display, Display Distortion or Full Screen of Vertical Lines/Bars.
4) ICD1= K4D263238F-UC50 SDRAM memory IC.

If this IC failed, it will cause No Display or Display Distortion problem.

C) 320W2C4LV1.4

32 inches Panel
Note: Vcc input= 5V

1) OP1 & OP2= EL5420CRZ.

If this IC failed, it will cause No Display.
2) ICT4= LRX4222T2.

If this IC failed, it will cause No Display, Display Distortion or Missing Color on the Screen.
3) ICS1= K4D26238F-UC50 SDRAM memory IC.

If this IC failed, it will cause No Display or Display Distortion problem.
4) ICP7= LM2700 power management IC.

If this IC failed, it will cause No Display.

D) 320W2C4LV6.4

32 inches Panel
Note: Vcc input= 5V

1) ICT3 EEPROM memory IC.

If this IC failed, it will cause No Display or White Screen problem.
2) ICT4= LRX4222T3.

If this IC failed, it will cause No Display, Display Distortion or Abnormal Display problem.
3) ICD1 SDRAM memory IC.

If this IC failed, it will cause No Display or Full Screen of Vertical Lines/Bars.
4) IC320= EL7585AIL power management IC.

If this IC failed, it will cause No Display.

E) 320WTC4LV1.0

32 inches Panel
Note: Vcc input= 5V

1) OP2 = 17513HS

If this IC failed, it will cause Half LEFT side no display

2) OP1 = 17513HS

If this IC failed, it will cause Half RIGHT side no display

3) IC4= 7585AIL power management IC.

If this IC failed, it will cause No Display.
4) IC14= 24006IRZ.

If this IC failed, it will cause No Display or Full Screen of Vertical Lines/Bars.
5) IC1= LRX4222T2.

If this IC failed, it will cause No Display or Color Stripe on the screen.
6) SDRAM memory IC.

If this IC failed, it will cause No Display or Display Distortion problem.

Master Electronics Repair !