Sony W4100 series thread - Page 97 - AVS Forum | Home Theater Discussions And Reviews
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Old 12-18-2015, 06:11 AM
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Quote:
Originally Posted by ed_in_tx View Post
Sorry to hear of its fate. Do you recall at what setting did you usually run the backlight?
Thats a good question, I'd say MAX(with a power savings setting of LOW which might make the MAX something like 80% of max) for backlight 60% of the time(for daytime viewing) and MAX but with a power savings setting of HIGH(which probably makes the MAX backlight <50%(the screen quite dim)) for nighttime and background TV use.
I was conscious of running the screen bright all the time, thinking I'd save life on the florescent tubes as well as overall power usage but in the end I wonder if it helped the TVs life at all since it wasn't the florescent tubes that failed or got dim but rather the LCD panel(ribbon cable I understand) that probably failed. I did save some power though using the power saving feature, I could really see it on my Kill-a-watt when I had it hooked up, especially when it was set to HIGH, power usage was less than half(100 or more less watts).

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Old 12-18-2015, 06:43 AM
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Ah I see you were thinking the same. I noticed my V4100 runs noticeably cooler with the backlight set to 3. Panel temperature too, measured with a IR thermometer. I have all the dynamic brightness and other picture "enhancements" minimum or off. Thinking less heat and expansion-contraction as it warms and cools through its daily cycle. And, like you noticed, I plugged it in to a Kill A Watt meter and found on High it would draw up to 200 W or more, down at 3 it would draw about 90W. So far over 40,000 hours and no problems. But I am looking for a replacement just in case. Of course now with LED backlighting this heat may not be such an issue. Although I can see a current draw difference with my LED-lit Dell monitor here, about 35W H vs 20W reduced where I run it all day...).
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Old 12-19-2015, 07:13 AM
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OK I just went into my other TV(46" W4100) which I have calibrated the same as my now dead 52" W4100 and the backlight is set to 10(max). Now keep in mind I always use a "power saving"(under general setup) of LOW for daytime viewing and HIGH for nighttime and when I just have the TV on for background use. My guess is a Max backlight setting and LOW power savings probably equate to a 7 or 8 on the backlight setting(without using power saving) while a HIGH on power saving(with a max of backlight) probably equates to a 3 or 4 backlight. The reason I like to use the power saving feature vs constantly adjusting the backlight is because it's so simple and quick. I probably change that setting once or twice a day, depending on room brightness and TV usage, the TV is in a bright porch. The simplest way of doing what I want is by using the THEATER(orange) button on the remote but what I don't like about that option is anytime I change inputs(which I do all the time) it turns off the theater setting and the screen goes back to MAX backlight, NOT very desirable in a darkened room where it can be like looking at the sun, especially during commercials that insist on having a super white background

I do hear my TV make occasional pop noises from the back when I switch from various settings, no doubt due to the expansion and contraction of things, like you said it gets pretty hot in the back, especially with a higher backlight setting. It sounds like your OK with a lower backlight setting than I, for the most part I'd be OK with that but due to the fact my TV sits in a very bright area during the day it doesn't always work to use a low setting Hopefully yours and my 46" will continue to work for several more years, I'm getting used to the slightly smaller screen and will probably just stick with the 46" in my porch until it has issues, I'll probably look for a good deal on a larger(maybe 55") for the downstairs where the 46" use to sit main use is the WII and for the kids to use.
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Old 12-19-2015, 08:39 AM
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On the 1 to 10 backlight scale I've always run mine at 3, "CE" on 1, everything else off, "Picture" at 90, "brightness" at 58, set up with color bars and gray scales. Plenty bright in my living room which of course is a big variable with each user. Hope you can find a suitable replacement!
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