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Deze versie is geschreven door: oldturkey03, Jacob Mehnert, Vendredi, Kody, guardian10, Corbanizer, and BenZ78 (stem details)

Titel:

LG55UH850V backlight changed but black screen with sound still

Tekst:

Hi,

I’m wondering if anyone can help. We have an LG 55UH850V. The tv has a problem where the screen goes black and the sounds stays on, when looking at with a torch you can see an image. I have replaced the edge lit backlight and changed the power board but still have the same issue. Can anyone point me in the direction of what to try next? Could it be I’ve installed a faulty backlight? The metal strip at the bottom of the tv (where the backlight is) seems to get really hot. Should a backlight be hot? Could the main board also cause this issue?

Thanks in advance for any replies.

===  ===

Toestel:

LG 60LM6450 60inch Full HD 3D LED Television

Status:

open

Goedgekeurd antwoord:

+688071

Bewerkt door: jayeff

Titel:

LG55UH850V backlight changed but black screen with sound still

Tekst:

Hi,
I’m wondering if anyone can help. We have an LG 55UH850V. The tv has a problem where the screen goes black and the sounds stays on, when looking at with a torch you can see an image. I have replaced the edge lit backlight and changed the power board but still have the same issue. Can anyone point me in the direction of what to try next? Could it be I’ve installed a faulty backlight? The metal strip at the bottom of the tv (where the backlight is) seems to get really hot. Should a backlight be hot? Could the main board also cause this issue?
Thanks in advance for any replies.
-=== Update (04/11/2021) ===
-
-is the back light inverter a seperat board or built into the power board? is it LED right? i dont think LED should be hot. is there a seperat lodgic board down there that might be pumping the heat out?
+=== ===

Toestel:

LG 60LM6450 60inch Full HD 3D LED Television

Status:

open

Bewerkt door: pog

Titel:

LG55UH850V backlight changed but black screen with sound still

Tekst:

Hi,
I’m wondering if anyone can help. We have an LG 55UH850V. The tv has a problem where the screen goes black and the sounds stays on, when looking at with a torch you can see an image. I have replaced the edge lit backlight and changed the power board but still have the same issue. Can anyone point me in the direction of what to try next? Could it be I’ve installed a faulty backlight? The metal strip at the bottom of the tv (where the backlight is) seems to get really hot. Should a backlight be hot? Could the main board also cause this issue?
Thanks in advance for any replies.
+
+=== Update (04/11/2021) ===
+
+is the back light inverter a seperat board or built into the power board? is it LED right? i dont think LED should be hot. is there a seperat lodgic board down there that might be pumping the heat out?

Toestel:

LG 60LM6450 60inch Full HD 3D LED Television

Status:

open

Bewerkt door: Lewis

Titel:

LG55UH850V backlight changed but black screen with sound still

Tekst:

Hi,
-I’m wondering if anyone can help. We have an LG 55UH850V. The tv has a problem where the screen goes black and the sounds stays on. I have replaced the edge lit backlight and changed the power board but still have the same issue. Can anyone point me in the direction of what to try next? Could it be I’ve installed a faulty backlight? The metal strip at the bottom of the tv (where the backlight is) seems to get really hot. Should a backlight be hot? Could the main board also cause this issue?
+I’m wondering if anyone can help. We have an LG 55UH850V. The tv has a problem where the screen goes black and the sounds stays on, when looking at with a torch you can see an image. I have replaced the edge lit backlight and changed the power board but still have the same issue. Can anyone point me in the direction of what to try next? Could it be I’ve installed a faulty backlight? The metal strip at the bottom of the tv (where the backlight is) seems to get really hot. Should a backlight be hot? Could the main board also cause this issue?
Thanks in advance for any replies.

Toestel:

LG 60LM6450 60inch Full HD 3D LED Television

Status:

open

Origineel bericht door: Lewis

Titel:

LG55UH850V backlight changed but black screen with sound still

Tekst:

Hi,

I’m wondering if anyone can help. We have an LG 55UH850V. The tv has a problem where the screen goes black and the sounds stays on. I have replaced the edge lit backlight and changed the power board but still have the same issue. Can anyone point me in the direction of what to try next? Could it be I’ve installed a faulty backlight? The metal strip at the bottom of the tv (where the backlight is) seems to get really hot. Should a backlight be hot? Could the main board also cause this issue?

Thanks in advance for any replies.

Toestel:

LG 60LM6450 60inch Full HD 3D LED Television

Status:

open