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Where is the T-con board located on a TCL model 48fs3750tdaa 48” led tv as I am not finding any replacement T-con boards online for this model and the loss of picture seems like it is a T-con issue?
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@saywhat1moretme TCL is still a bit of and Off-brand model. We would need to know the layout of your TV . Remove the back and take some good pictures of the way your TV boards are placed. It is easily possible that your model may have a T-con board that it integrated into the main board. Adding images to an existing question
Make sure that this is not a backlight issue. If you have sound but no picture shine a flashlight beam at an angle against the screen. See if you can make out shapes etc.
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4 Comments
It should connect to the ribbon cable coming of the main board connector P502. Follow that cable and remove the metal foil along the cable
by oldturkey03
I followed the cable from the P502 and it goes to a long one inch wide board along the bottom which is stamped ST4761B02-1. Does this sound like a the right tcon board and if so where can I buy one? Thanks
by Jules Winnfield
Any resolution to this issue? I have a 55s405 which has a similar layout, no T-Con board in between the main and power boards…which I have already replaced.
by D C
@D C ,
The tcon is located between the mainboard and the LCD panel.
The function of tcon board is to control the logic signal of gate and source supplied by the mainboard, for driving the TFT LCD panel.
If there is no separate tcon board then usually it is built in with the mainboard.
Check which board the wires going to the LCD panel connect back to.
by jayeff