WANTED: LG OLED55E6V Service Manual - Page 1
Forum section: electronics / repair

author: NivagSwerdna
author_rank: Super Contributor
timestamp: October 17, 2019, 03:09:02 pm
content: I have a OLED55E6V which has developed banding... I think it is still covered by warranty so I won't be opening it up myself but I am interested in discovering which bits are responsible for what... any idea where I would find a service manual for LG OLED55E6V ?(Why is this stuff so secret squirrel!)Thanks in advance

author: jogri
author_rank: Frequent Contributor
timestamp: October 17, 2019, 03:20:12 pm
content: https://tel-spb.ru/tv/lg-oled55e6vDoesn't have schematics though.

author: wraper
author_rank: Unknown
timestamp: October 17, 2019, 03:25:48 pm
content: There is no point opening it even out of warranty. There is nothing to fix unless you want to replace OLED panel itself. Just run pixel refresher. If it does not help, you are screwed.

author: NivagSwerdna
author_rank: Super Contributor
timestamp: October 17, 2019, 03:34:27 pm
content: Quote from: wraper on October 17, 2019, 03:25:48 pmHow would I do that?

author: wraper
author_rank: Unknown
timestamp: October 17, 2019, 03:34:48 pm
content: Quote from: NivagSwerdna on October 17, 2019, 03:34:27 pmFrom TV menu. Though if you have warranty left probably it's better if you take it into service center with problem present. Chances are that after doing pixel refresh problem will reappear after some time.

author: NivagSwerdna
author_rank: Super Contributor
timestamp: October 17, 2019, 03:41:45 pm
content: Quote from: wraper on October 17, 2019, 03:34:48 pmGood point. I will not tinker.... TBH the display is very confused and the confusion sometimes moves around the screen and when turned off the screen still has some bits on which slowly fade away... probably well broken.

author: Twoflower
author_rank: Frequent Contributor
timestamp: October 17, 2019, 03:51:37 pm
content: Could that 'even when off some bits are on' be some kind of the refreshing algorithm the individual diodes? OLED displays need to be powered all time as they do some automatic refresh every now and then.There was an article in a German newspaper (https://www.heise.de/select/ct/2018/22/1540617472341234) that turned out to be a problem caused by cut the power after switching off the TV. So the TV didn't had a chance to run the refresh (and the TV was heavily used). And LG first denied the warranty. Now there is a warning in the documentation to not cut the power.Edit:The picture came while I wrote this post: That is a panel defect. I'm sure there's nothing you can do.

author: wraper
author_rank: Unknown
timestamp: October 17, 2019, 03:54:45 pm
content: Quote from: NivagSwerdna on October 17, 2019, 03:41:45 pmLOL, it's not "banding". It's completely dead OLED panel.

author: NivagSwerdna
author_rank: Super Contributor
timestamp: October 17, 2019, 03:58:31 pm
content: Quote from: wraper on October 17, 2019, 03:54:45 pmDepends on your definition of bandingbut it is certainly ****ed. Looks like an addressing/memory issue to me... is that all built into the panel? Interesting the OSD seems to show through when it isn't even meant to be present... which is what made me interested in how these things work... could it be a main board problem (since the OSD is presumably generated on the main board?) [Assuming it has a 'main board'!]

author: Rasz
author_rank: Super Contributor
timestamp: October 17, 2019, 06:07:42 pm
content: Quote from: NivagSwerdna on October 17, 2019, 03:58:31 pmdont see that on attached pic

author: Dacke
author_rank: Regular Contributor
timestamp: October 18, 2019, 06:50:46 pm
content: I get a lot of flat panel TVs for repair, and this honestly looks like a damaged or cracked panel (possible hairline vertical crack - the horizontal lines end abruptly in some areas that I can see). A video would be more helpful to determine this though.

author: NivagSwerdna
author_rank: Super Contributor
timestamp: October 18, 2019, 07:02:45 pm
content: Had theLCDModule replaced today and the repair guy said he hadn't seen a failure like it. There was no physical damage.Anyway, happy endings.

author: wraper
author_rank: Unknown
timestamp: October 18, 2019, 09:12:51 pm
content: Quote from: NivagSwerdna on October 18, 2019, 07:02:45 pmIt's not LCD.

author: Rasz
author_rank: Super Contributor
timestamp: October 19, 2019, 05:59:13 am
content: Quote from: NivagSwerdna on October 18, 2019, 07:02:45 pmwhat module? you mean the screen? whole unit?