Monday, October 12, 2020

LG LCD TV 55GA6400, 55LA9650, 55LA9700, 55LM4600-4700-6200, 55LM8600 - T’Con board interconnect and voltages details

 55GA6400 Interconnect

TV Models: LG 55GA6400

PANEL P/N: EAJ62271001

Part Number: 6871L-3269A

T-con Board P/N: 6870C-0444A

DESC or Panel Sticker Number: LC470DUE-SFR1

Warning:  Replace the screws when servicing the T-CON board with shields removed.

Note: Concerning Quick Start:  If Quick Start is turned on in the Options Menu, T-CON 12V will be available during STBY, but there will be no video to process. Also, no backlights.

PANEL Test:  To run the T-con “Panel Test”, remove the LVDS cable CN1. 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.


55LA9700 Interconnect

TV Models: LG 55LA9650 - 55LA9700

PANEL P/N: EAJ73589402

Part Number:

T-con Board P/N: 6870C-0467A

DESC or Panel Sticker Number: LC550EQD

55LM6200 Interconnect

TV Models: LG 55LM4600 - 4700_6200

PANEL P/N: EAJ62088501

Part Number: 6871L-2856C (Substitute: 6871L-2753M)

T-con Board P/N: 6870C-0401B

DESC or Panel Sticker Number: LC550EUE-SEF1 (DESC: 32/37/42/47/55 FHD TM120)

Warning:  Return the screws when servicing the T-con board with shields 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.


55LM8600 Interconnect

TV Models: LG 55LM8600

PANEL P/N: AFB73409602 or EAJ62128801

Part Number: EBR61780501

T-con Board P/N: EAX64583702-1.0

DESC or Panel Sticker Number: LC550EUH-PEF1