Another LC-80LE632U 2-5 thread

[freakaftr8]

Re: Another LC-80LE632U 2-5 thread

I would say with certainty that looks like a panel issue. Hopefully not and it happens to be a tcon which it is possible. Sometimes there is a slight possibility that the cracked panel has caused a short on the main processor of the tcon. It has happened but rare

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

i am getting a perfect half screen Video on the right and Backlight on the left if I disconnect the Left cable.then after about 30 mins the Icon light stays on steady but the Video and audio goes off also the Remote does not work at this point.I have to pull the plug to turn off the set.

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

Let me clarify some information here .The good video picture was taken in December 2017 then I ran into some issues with the two 80 pin Ribbon Cables , where the copper got loose after spraying CRC 226 on the t-con board connector.The damaged of the two t-con and original Main boards resulted from that problem. I obtained the present Main board and the t-com board from the same cracked screen TV where I got the Power Board and lED's with Connectors .I replaced both in January 2018 and this is the picture with the quarter screen missing when I reset the TV with both cables connected to the t-con board. In this condition it goes into 2-3 error code after about two minutes.I will have to re check to verify the code again because it could be a 2-5.

[freakaftr8]

Re: Another LC-80LE632U 2-5 thread

So is there any damage now to the 80 pin ribbons? How about swapping the right to the left ribbons

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

The two 80 pin Ribbon cables were obtained from the same cracked screen TV where I obtained the other parts.and they were replaced in January 2018. I have inter changed the two cables which are in very good condition on obtained no difference in the present fault.

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

Please see attached pictures of the TV where I obtained all the present used boards,ribbon cables,Led harness and LED,s from.

[freakaftr8]

Re: Another LC-80LE632U 2-5 thread

Ok and this problem manifested itself after or before the replacement equipment? As in your replacement tcon didn't solve the issue?

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

I must say that the Canadian seller on E-Bay gave me a very good offer I got the LED,s including the harness for $100USD and when I ordered the Main Board for $200 USD he threw in the T-CON board for free.

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

This new problem with the quarter screen missing is after changing the t-con board and two 80 pin ribbon cables in January.

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

I never got a good whole picture since I install the present t-con board from the cracked screen TV.The good picture was obtained in December 2017 when I had the power supply from the cracked screen TV installed with the original t-con and main board .Then I had the ribbon cable damage with both cables along with the original Main Board and t-con board .
They are now replaced with every thing from the cracked screen TV and I am getting the picture with the second quarter screen on the left blank.

[budwich]

Re: Another LC-80LE632U 2-5 thread

i am getting a perfect half screen Video on the right and Backlight on the left if I disconnect the Left cable.then after about 30 mins the Icon light stays on steady but the Video and audio goes off also the Remote does not work at this point.I have to pull the plug to turn off the set.

you need to confirm what you are saying.... so the half that is disconnected turns "white" INCLUDING the area that was previous black when fully connected.

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

The half that is disconnected turns White which is the Left half the TV .The right side remains with a good video and sound,i.e the right side 80 pin cable to the t-con board connected and the Left side disconnected.

[freakaftr8]

Re: Another LC-80LE632U 2-5 thread

I'd say replace tcon. May be defective. Try heating up the main processor with a hair dryer well it's on in see if the picture changes at all

[budwich]

Re: Another LC-80LE632U 2-5 thread

since the panel "response" to the unplugging of the tcon / panel cable, I would think that the problem is likely at the tcon / cable area / cable connector. This is ased on some other posts / threads where the vertical black bands are not impacted by tcon cable removal indicating an issue at / near the panel (ie. edge boards or tab bonds).

[kimarcher_gy]

Re: Another LC-80LE632U 2-5 thread

Update: I tried another tcon board and the system shutdown with a 2-3 Power supply fault.I reinstalled the tcon board from the cracked screen TV which came on with video on the Right side after disconnecting the Left cable.I removed the bottom frame to inspect the tabs and found 16 of them with chips embedded in each cable .I checked and found no obvious damage I replace the metal frame and now I am not getting any video on the screen.i will remove the frame again and try with the TV on and touch tabs to see if I will get a video.

I presently have the TV top frame resting vertically on the floor but I plan to rest it on the back so I can get acess to the tabs, with the TV on. I will do some more detailed inspections.

[csldp03]

Re: Another LC-80LE632U 2-5 thread

Can anyone tell me what the specs are for D7112? I tested the diode and it appears to be bad. The markings say T2D23 with the 3 being underscored. Thanks!

[budm]

Re: Another LC-80LE632U 2-5 thread

Can anyone tell me what the specs are for D7112? I tested the diode and it appears to be bad. The markings say T2D23 with the 3 being underscored. Thanks!

Can you read what is printed on the body of the diode?