Tuesday, October 13, 2020

LG 55LW5600-5700-6500, LG55LX6500, LG79UB9800, LG79UF7700 – T’Con board interconnections and voltage details

 

79UB9800 Interconnect

TV Models: LG 79UB9800, LG 79UF7700

PANEL P/N: EAJ62573301

Part Number:

T-con Board P/N: 6870C-0541B

DESC or Panel Sticker Number: (DESC: 79 UHD Curved Control)

Warning: Be sure to install the screws in the T-CON board before applying power. Damage to the board will occur.

PANEL TEST:  To run the Panel Test (Testing the T-CON without the Mainboard), simply unplug CN7_1 or CN7_2. Apply 12V to the Fuse F1 on the T-CON. Apply power to the set. (Backlights and Power Supply should already be working). T-CON outputs colour patterns on the screen. This test confirms the T-CON board, Power Supply (PSU), Panel and Backlights are working normally.

55LX6500 Interconnect

TV Models: LG 55LX6500

Part Number: EBU61004702

T-con Board P/N: EAX62110705(0)

DESC or Panel Sticker Number: LC550EUC-SCA1



55LW5700 Interconnect

TV Models: LG 55LW5600_5700_6500

PANEL P/N:

Part Number: 6871L-2603A

T-con Board P/N: 6870C-0369B

DESC or Panel Sticker Number: LC550EUF-SDF1 (DESC: V6 55 FHD 120Hz)

Warning:   T-Con board under shield. Be sure to reinsert screws before operating set with shield removed.   

  Panel Test:    To run the T-con “Panel Test”, remove the LVDS cables. Jump 12V to the 12V fuse. Jump VCC 3.3V to pin-44 on CN1. White, Red, Blue, Green and Black patterns show on screen.