Sunday, September 25, 2016

LG TCON board – Troubleshooting - LC370W01-A5K1 (6870C-0024A)- LC370WX1 - LC320W01 (6870C-0060F)- LC370WX1-SLA1 (6870C-0088D) - LC370WX4-SLA1 (6870C-0158A)- LC420W02-B6 (6870C-0046B) - LED LCD television repair and service – Tech Troubleshooting– LED LCD television repair and service – Tech Troubleshooting

Category: LED LCD Television Repair and Service 

Contents of this article 

  • How to identify  faults
  • What to replace 
  • Working voltage of TCON

LG TCON board - LC370W01-A5K1 (6870C-0024A)- LC370WX1 - LC320W01 (6870C-0060F)- LC370WX1-SLA1 (6870C-0088D) - LC370WX4-SLA1 (6870C-0158A)- LC420W02-B6 (6870C-0046B)

A) T-con Board: LC370W01-A5K1 (6870C-0024A)
LCD Panel Model: 37 inches
Note: Vcc input= 12V1)
US1= TPS65161 is a power management IC.
If this IC failed, it will cause the TV No Display.
2) U1: This IC is a common fault for this T-con.
When it is fails it will cause the TV No Display.
3) UC1=KE5M3U2109.
If this IC failed it will cause the TV No Display or White Screen problem.
4) U3= BUF11702.
If this IC failed, it will cause the TV No Display or Abnormal Display Color problem.
B) T-con Board: LC370WX1 / LC320W01 (6870C-0060F)
LCD Panel Model: 37 inches
Note: Vcc input= 12V
1) U6 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
2) U3 is an EEPROM IC.
If this IC failed, it will cause the TV No Display or White Screen problem.
3) UC1= TL22710D.
If this IC failed, it will cause the TV No Display, White Screen or Rainbow Display on the Screen.
4) U4= TPS65160 is a power management IC.
If this IC failed, it will cause the TV No Display.
C) T-con Board: LC370WX1-SLA1 (6870C-0088D)
LCD Panel Model: 37 inches
Note: Vcc input= 12V
1) U5 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion Problem.
2) UL1= R8A01028FP.
If this IC failed, it will cause the TV No Display.
3) U3:
If this IC failed, it will cause the TV No Display.
4) U9= TPS65161 power management IC (DC-DC circuit IC).
If this IC failed, it will cause the TV No Display.
D) T-con Board: LC370WX4-SLA1 (6870C-0158A)
LCD Panel Model: 37 inches
Note: Vcc input= 12V
1) U11 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
2) UL1= R8A01028AFP.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
3) U3 is an EEPROM memory IC.
If this IC failed, it will cause the TV No Display or White Screen problem.
4) US1= TPS65161 is a power management IC.
If this IC failed, it will cause the TV No Display.
E) T-con Board: LC420W02-B6 (6870C-0046B)
LCD Panel Model: 42 inches
Note: Vcc input= 12V
1) U6= LM2716HT is a power management IC.
If this IC failed, it will cause the TV No Display.
2) U10 is a SDRAM memory IC.
If this IC failed, it will cause the TV No Display or Display Distortion problem.
3) UC1= R8A00011FT.
If this IC failed, it will cause the TV No Display, White Screen or Rainbow Display problem.
4) U9= EL5329IRZ.
If this IC failed, it will cause the TV No Display or Abnormal Display Color on the screen.