How to: Turn off ASBL on LG OLED TV - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 202 Old 05-01-2016, 06:31 AM - Thread Starter
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Arrow How to: Turn off ASBL on LG OLED TV

Petition: LG: Allow OLED TV owners to turn off dimming

Following the thread I opened here and the solution that was found here:


The LG OLED TV will dim when the "average" picture stays unchanged for more than 60s.
This can be really annoying when watching videos/movies that have scenes longer than 60s.
This feature/function cannot be turned off in the normal user accessible menu. It can however be disabled the Service Menu (also known as IN-START):

How to access the Service Menu:
Follow instructions given here or buy the Service Menu Explorer LG TV Android App (US$ 6,06) (See attachment 01).
Press the blue button on the left, labelled "IN START" in my screenshot.
The TV will ask for a password, it should be 0413.

What to change:
Go to "13. OLED" (if you dont see it, press exit on the remote and access the Service Menu again).
Set "TPC Enable" to '0' or 'Off' (depending on your model/firmware). (See attachment 02)
Press Exit on the remote. (The change will be saved)
Enjoy.

Tips:
You only need the App to access the Service Menu, you can use the normal remote to enter the password and navigate inside the menu.
Return doesn't work, you will have to use the app button (the left one, blue, labelled "IN START" in my screenshot) to "navigate back".
The Red button on the app gives you access to "EZ Adjust".

Disclaimer: I don't know what "TPC" stand for nor if this is:
- A power saving feature
- A feature to prevent burn-in
- Both of the above
So turn it off at your own risk
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Last edited by cny1; 03-29-2017 at 08:29 AM.
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post #2 of 202 Old 05-01-2016, 10:21 AM
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Have you found any useful adjustments using the EZ adjust menu?
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post #3 of 202 Old 05-01-2016, 11:00 AM
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Have you noticed any burn in from tv logos, scoreboards, etc by turning this off? I read somewhere that LG employs some local dimming to areas on tv that have the static logos, and by turning this off could cause issues.
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post #4 of 202 Old 05-01-2016, 11:12 AM - Thread Starter
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Quote:
Originally Posted by jfall1 View Post
Have you found any useful adjustments using the EZ adjust menu?
There are many settings but I didn't find anything useful to me.
If you want I can take pics of what's in there.

Quote:
Originally Posted by wxman View Post
Have you noticed any burn in from tv logos, scoreboards, etc by turning this off? I read somewhere that LG employs some local dimming to areas on tv that have the static logos, and by turning this off could cause issues.
I don't watch TV and I only use the TV with non static images so I cannot answer your question. I also don't know how long the exposure has to be in order to burn-in nor if dimming those areas really helps.

All I wanted was to get rid of this annoying "feature" that has been killing movie experience for me until I found how to turn it off.

Last edited by cny1; 05-01-2016 at 11:16 AM.
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post #5 of 202 Old 05-01-2016, 11:18 AM
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Quote:
Originally Posted by cny1 View Post
There are many settings but I didn't find anything useful to me.
If you want I can take pics of what's in there.



I don't watch TV and I only use the TV with non static images so I cannot answer your question. I also don't know how long the exposure has to be in order to burn-in nor if dimming those areas really helps.

All I wanted was to get rid of this annoying "feature" that has been killing movie experience for me until I found how to turn it off.
Thanks. I guess a safe solution for me is to disable when I watch a blu ray, then enable again after I am done. Only takes 10 seconds.
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post #6 of 202 Old 05-01-2016, 11:22 AM - Thread Starter
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Quote:
Originally Posted by wxman View Post
Thanks. I guess a safe solution for me is to disable when I watch a blu ray, then enable again after I am done. Only takes 10 seconds.
I added a disclaimer to the OP.
Thanks.
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post #7 of 202 Old 05-04-2016, 04:57 AM - Thread Starter
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Not sure this is going to help but worth the try:
Petition: LG: Allow OLED TV owners to turn off dimming
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post #8 of 202 Old 05-04-2016, 05:45 AM
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Quote:
Originally Posted by cny1 View Post
Not sure this is going to help but worth the try:
Petition: LG: Allow OLED TV owners to turn off dimming
You're wasting your time. Both ABL and ASBL are for panel protection for obvious reasons. LG's lawyers would never enable turning these functions off in the User Menu.

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post #9 of 202 Old 05-04-2016, 06:39 AM - Thread Starter
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I don't think it's for panel protection but related to energy efficiency/saving.
Now I am not an expert so I could be wrong.

At least they can "fix"/adjust them:
- Tune ASBL to only kick in when it's a still image. (atm it kicks in also in video playback)
- Tune ABL to only kick in when luminance is above 200 cd/m2 for example. (atm even when you set OLED LIGHT to 20 (100 cd/m2) it will dim down to 30 cd/m2)
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post #10 of 202 Old 05-04-2016, 07:00 AM
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Quote:
Originally Posted by cny1 View Post
I don't think it's for panel protection but related to energy efficiency/saving.
Now I am not an expert so I could be wrong.

At least they can "fix"/adjust them:
- Tune ASBL to only kick in when it's a still image. (atm it kicks in also in video playback)
- Tune ABL to only kick in when luminance is above 200 cd/m2 for example. (atm even when you set OLED LIGHT to 20 (100 cd/m2) it will dim down to 30 cd/m2)

This is too complicated for average users and if the ability to turn off these functions were enabled they would certainly inadvertently lead to burn in by many. Thus the attorneys come into play because they don't want unnecessary warranty claims or worse, lawsuits.

Also, the manufacturers don't know how to explain what functions do in the first place. Take the Brightness control: The manuals usually say something like "to increase picture brightness" so the user, thinking he will bet a brighter picture, raises black level and destroys Contrast. The manufacturers have never gotten it right. I lived in Japan in '70-'71 and bought a Sansuii 5000A audio receiver that came with a manual in English. It was like reading a joke book.

Calibrators can easily deal with ABL by using windows patterns and ASBL is handled as I stated in #4 of this post.
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post #11 of 202 Old 05-04-2016, 08:42 PM
 
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Quote:
Originally Posted by cny1 View Post

Disclaimer: I don't know what "TPC" stand for nor if this is:
- A power saving feature
- A feature to prevent burn-in
- Both of the above
So turn it off at your own risk
TPC could possibly be the Thermal Protection Circuit?
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post #12 of 202 Old 05-04-2016, 08:56 PM
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Quote:
Originally Posted by wxman View Post
Have you noticed any burn in from tv logos, scoreboards, etc by turning this off? I read somewhere that LG employs some local dimming to areas on tv that have the static logos, and by turning this off could cause issues.
I have an LG OLED TV and I love it. No burn in, no problems, easy adjustments - you can get as deep into them as you want.
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post #13 of 202 Old 05-04-2016, 11:49 PM
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Quote:
Originally Posted by bzbx View Post
I have an LG OLED TV and I love it. No burn in, no problems, easy adjustments - you can get as deep into them as you want.
Did you set TPC Enable to zero on your tv in the service menu? If not, then you did not really answer my question.
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post #14 of 202 Old 05-05-2016, 05:08 AM
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Quote:
Originally Posted by wxman View Post
Did you set TPC Enable to zero on your tv in the service menu? If not, then you did not really answer my question.
Since disabling 'TPC Enable' on my set, I have spent hours with windowed content on my set playing with gray scale and testing luminance vs OLED light and contrast level. I can easily see the window on a dark grey slide. One compensation cycle has thus far completely cleared up any IR
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post #15 of 202 Old 05-05-2016, 01:16 PM
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Quote:
Originally Posted by cny1 View Post
Not sure this is going to help but worth the try:
Petition: LG: Allow OLED TV owners to turn off dimming
If you're going to petition LG for something, why not make it something useful (that they might actually do) like:
1) Update the Netflix app with HDR
2) Fix the color mapping for WCG

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post #16 of 202 Old 05-10-2016, 10:33 PM
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Question

Quote:
Originally Posted by wxman View Post
Did you set TPC Enable to zero on your tv in the service menu? If not, then you did not really answer my question.
I obviously don't understand your question. I can't find "TPC Enable" anywhere on/in any menus in my 55EC9300 OLED.
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post #17 of 202 Old 05-11-2016, 09:55 AM
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Quote:
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I obviously don't understand your question. I can't find "TPC Enable" anywhere on/in any menus in my 55EC9300 OLED.
Are you in the service menu? See post #1
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post #18 of 202 Old 05-11-2016, 11:45 AM
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There is a trick that is used for calibration that can defeat the ABSL and is pretty painless. If you have one of the small LG remotes, if you hit the scroll up or down one click, it will show the arrow, move it around. Many times this will change the image enough to disable the ABSL. If not, move the arrow to the top, it will show the info pane. This pane disables the ABSL and disappears after a couple of seconds. If you have a larger LG remote or a universal remote it's even easier. Just hit the info button on TV mode to show the pane, which again disappears in a couple of seconds. Advantages are that its quick, easy, and doesn't void your warranty. Disadvantage is that it has to be done every time it happens, however, that may be for our own good or the good of LG's rep
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Last edited by xmas1888; 05-11-2016 at 11:46 AM. Reason: remove quote
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post #19 of 202 Old 05-17-2016, 04:08 PM
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Anyone tried increasing it to 2 or 3 and see if it increases the time before it kicks in?
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post #20 of 202 Old 05-17-2016, 04:24 PM
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Originally Posted by gadgtfreek View Post
Anyone tried increasing it to 2 or 3 and see if it increases the time before it kicks in?
You only have a choice of 0 or 1 for TPC Enable. 0 Off, 1 On.

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Last edited by wxman; 05-17-2016 at 04:28 PM.
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post #21 of 202 Old 05-17-2016, 04:25 PM
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Well crap. I guess the selections simply stand for ON and OFF then...
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post #22 of 202 Old 05-17-2016, 04:28 PM
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Well crap. I guess the selections simply stand for ON and OFF then...
Binary code. 0 is off. 1 is on.

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post #23 of 202 Old 05-17-2016, 04:42 PM
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i know, that is why I said OFF and ON when you said 1 or 0.
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post #24 of 202 Old 05-17-2016, 04:45 PM
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Quote:
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i know, that is why I said OFF and ON when you said 1 or 0.
The weird part is that whole menu is a mix. The compensation cycle below TPC Enable represents hours. 0 and 1 are not off/on.

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post #25 of 202 Old 05-17-2016, 04:48 PM
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Yeah, that is why I was hoping TPC had a 2 because I did not check that earlier. I can't say I have noticed it dim during live tv, so not sure I will even mess with it.
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post #26 of 202 Old 05-18-2016, 02:27 PM
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ABL is almost certainly related to the current available from the power supply. These are basically LEDs and each one takes a certain amount of current to light up and the power supply simply isn't sized to drive every OLED simultaneously at 100%.
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post #27 of 202 Old 05-23-2016, 09:31 AM
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Had this happen in live content for the first time (I noticed anyways). Brock and Hood were handcuffed on Banshee's next to last episode, sitting there talking in a dark area. All of a sudden I was like WTH and tried hitting the info button to pull up the top banner, which did not work. I had to hit the info button on my Directv DVR to get it to wake up.

They did not think this feature out very well...
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post #28 of 202 Old 05-28-2016, 03:22 PM
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I love my OLED but the ABL ruins the experience abit, its not so bad when watching blu ray as movies have those black bars which means it very rarely reaches the threshold but when gaming its really annoying, as you can have alot of bright scenes and it annoys just my eyes when it keeps switching from normal to dim

but i know the'll never switch this off, especially on older models like mine (EC930V)

the only way i can minimize it is by turning down contrast (to about 70) but that ruins the whites and just produces a dull image
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post #29 of 202 Old 05-29-2016, 09:54 PM
 
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Anyone run into issues with ABSL being off and playing games or watching content with a static image?

I just had it kick in during a Bluray so tempted to disable it.

Sent from my SM-G920V using Tapatalk
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post #30 of 202 Old 06-06-2016, 03:55 PM
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Quote:
Originally Posted by BigCoolJesus View Post
Anyone run into issues with ABSL being off and playing games or watching content with a static image?

I just had it kick in during a Bluray so tempted to disable it.

Sent from my SM-G920V using Tapatalk
No, never seen anyone report any issues disabling it. It's just a safety feature for the rare owner that will leave their TV on a static image for an entire day... but even that was tested recently by a reviewer, and still did not result in anything but temporary image retention. See here: http://televisions.reviewed.com/feat...mage-retention

I even use mine on very static images (PC desktop) upwards of 12 hours a day, and never had any issues with IR or burn-in. I think it's safe to disable.

Last edited by Tyrindor; 06-06-2016 at 03:58 PM.
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