Official Panasonic VT50 owners thread - Page 465 - AVS | Home Theater Discussions And Reviews
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post #13921 of 13947 Old 04-14-2015, 07:12 PM
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Funny you would write that this evening. I went to open Netflix a few minutes ago and the TV kept going back to the selection screen. I tried to open it several times with it going right back to the menu. Funny, because I went to Amazon to see if it opened and it did perfectly. Went back to Netflix no luck, shut off TV, turned it back on and Netflix opened perfectly. At no time was there any Error Message on the screen.
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post #13922 of 13947 Old 04-15-2015, 05:45 PM
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Received my A-Board back today from Moduslink and installed it.


http://www.moduslinkptstvboards.com/


Everything appears functional, the link to their repair site is above.


Those boards are getting quite scarce.


Interestingly enough, I have to re-install firmware, whatever their repair was it blanked that out.
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post #13923 of 13947 Old 04-15-2015, 06:36 PM
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So is there a good display now that surpasses VT50 quite a bit and is worth the upgrade? IMO VT60 / PN8500 haven't quite but perhaps certain OLEDs or 4K LCDs have?

Last edited by iTanas; 04-15-2015 at 06:39 PM.
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post #13924 of 13947 Old 04-15-2015, 07:07 PM
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OLED is your only bet, and a 65" is still quite pricey.

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13925 of 13947 Old 04-16-2015, 09:42 AM
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Quote:
Originally Posted by gadgtfreek View Post
OLED is your only bet, and a 65" is still quite pricey.
There's other issues though, more so motion.
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post #13926 of 13947 Old 04-16-2015, 10:00 AM
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True. But, Chad B has done several, and it is still the most beautiful image he has seen to date.

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
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post #13927 of 13947 Old 04-16-2015, 10:48 AM
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Originally Posted by gadgtfreek View Post
True. But, Chad B has done several, and it is still the most beautiful image he has seen to date.

I didnt have the 65" but the EC9300 is spectacular pq wise, I didn't think motion was an issue from my short experience with it.

64F8500
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post #13928 of 13947 Old 04-22-2015, 08:04 AM
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That seems a little high. Does it have more hours than mine?

Also tough on these sets, if you don't wipe the screen properly and there is any IR left in a spot you get a higher number. I've made that mistake more than once an had to go back and do some screen conditioning.
Hi gadgtfreek,

Started thinking about this again. Two years ago Chad got .003. Last year it was .0035. Chad calibrates my tv through my DVDO Duo. I wonder if that may affect my MLL?

I didn't do any screen cleaning other then a quick wipe with a microfiber cloth. What do you do to clean your screen?

My VT50 has been great regarding IR. I don't see any.

Next time Chad is here, maybe I will have him reset to factory default and calibrate from scratch. What do you think?

TWD

Last edited by TWD; 04-22-2015 at 08:14 AM.
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post #13929 of 13947 Old 04-22-2015, 08:09 AM
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Weird, you wouldn't think the DVDO would affect it...

By conditioning I meant full field grayscale patterns like 30% and below to get IR off. Those windows can skew the readings if you try and take MLL after they have been up a bit.

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13930 of 13947 Old 04-22-2015, 10:46 AM
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Weird, you wouldn't think the DVDO would affect it...

By conditioning I meant full field grayscale patterns like 30% and below to get IR off. Those windows can skew the readings if you try and take MLL after they have been up a bit.
Thanks for the tip. I do run slides and/or the scroll bar before Chad does his magic. Next time I won't and will see if it improves.

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post #13931 of 13947 Old 04-22-2015, 10:49 AM
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When I had my meter, I found the scroll bar to be problematic as well on the MLL.

What I found to give me the low number was to put up a full field 30% stimuli for about 3 minutes, 20% for 3 minutes, 10% for 3 minutes, and then hit 0% and test.

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13932 of 13947 Old 04-22-2015, 12:48 PM
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Quote:
Originally Posted by TWD View Post
Started thinking about this again. Two years ago Chad got .003. Last year it was .0035. Chad calibrates my tv through my DVDO Duo. I wonder if that may affect my MLL?

no

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THX Certified Video Calibrator

 

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post #13933 of 13947 Old 04-25-2015, 08:33 AM
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Little heads up for you plasma owners.

My new outlaw 7500 has some ridiculous transformer hum, and I figured out it was the plasma causing it. More bright scenes, i guess with high power consumption, really gets the outlaw going.

After some research it appears plasmas can introduce some DC voltage into the line that causes this, and with a meter I confirmed what the DC voltage is doing on a 120vac line with the plasma on and off.

Emotiva makes a CMX-2 that is supposed to directly work with this issue, so I have one coming next week.


"The CMX-2 offers a solution to a less-familiar, common problem - DC offset on the AC power line. DC offset is usually the result of unbalanced loads or by flaws in the power distribution system itself. It can cause DC current flow in the transformers that power your audio equipment, making them run hotter, produce more mechanical hum, and, in extreme cases, even potentially causing permanent damage. In addition to removing line noise, the CMX-2 also totally eliminates this annoying and potentially damaging problem as well.

The CMX-2 delivers clean power, free of high-frequency line noise and potentially audible DC offsets to your audio components. It also continuously monitors your AC power line wiring integrity and alerts you to common fault conditions like open grounds and reversed lines.

Constructed from premium components, the CMX-2 utilizes our exclusive Power Direct Connect™ mounting system, which connects the commercial grade outlet directly to the high current circuit board by the shortest possible path, eliminating power robbing resistive losses and other problems caused by less reliable and robust wiring techniques. It also uses top grade common mode and differential mode L-C filtering to reduce oreliminate all types of high-frequency noise."
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Panasonic 65" VT50 / Oppo 103D
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Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13934 of 13947 Old 05-05-2015, 08:06 AM
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I can't seem to get my Gamma right .

Greyscale is <DeltaE 1.

Gamma: Without adjustments the 10% is at gamma 2.5 and 90% is at gamma 1.6. After an hour of tweaking i can get 10%-80% at ~2.2.
However this will result in terrible banding. Gradients aren't smooth anymore. I don't get it.


(Pretty much like the image on the left).

I also tried Autocal, but that results in even more banding.

Gamma Settings:
Gamma: 2.0
10%: +30
20%: +7
30%: -2
40%: -2
50%: -16
60%: -5
70%: -18
80%: -6
90%: -10
100%: -11

Last edited by EricNL; 05-05-2015 at 08:10 AM.
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post #13935 of 13947 Old 05-05-2015, 08:43 AM
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What size windows and what setting are you starting at? (2.4 or 2.2)

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13936 of 13947 Old 05-06-2015, 05:56 AM
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10% I think. Using the built in patterns from HCFR.

Started at 2.2, but with that setting I couldn't get 10% white at 2.2 at all (was at 2.4+).
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post #13937 of 13947 Old 05-06-2015, 06:30 AM
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Quote:
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10% I think. Using the built in patterns from HCFR.

Started at 2.2, but with that setting I couldn't get 10% white at 2.2 at all (was at 2.4+).
If you're not using an APL pattern type, track down Mascario's pattern disk that has this pattern type and size.

Also remember to avoid extremes as found at your 50% and 70%. If you test the 5% above and below each of these you'll probably find that they're over corrected.

Also return the TV to content every few minutes. As the TV cools off during calibration, you probably had to go back several times fixing points that you thought were already correct. You really need to keep the display at operating temperatures which APL patterns will help do.
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Displays: Samsung 64F8500, Panasonic 65VT50, Oppo 95, Pioneer 51, Tivo Roamio and Mini, Dish VIP722.
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post #13938 of 13947 Old 05-10-2015, 07:51 AM
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Ok guys I started a thread to ask a specific question but so far no answers. The buzz on my VT50 has gotten noticeably louder the last couple months. It's certainly still watchable and it's not the point that my wife has noticed but I'm picky and notice that stuff more than most. It's definitely a good bit louder than it was. Any thoughts? The settings/calibration remains intact. I'm worried the power supply may be failing?
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post #13939 of 13947 Old 05-10-2015, 10:00 PM
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My got worse after a year, and then seems to have slacked back off. I never hear it.

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13940 of 13947 Old 05-11-2015, 03:53 AM
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Ok guys I started a thread to ask a specific question but so far no answers. The buzz on my VT50 has gotten noticeably louder the last couple months. It's certainly still watchable and it's not the point that my wife has noticed but I'm picky and notice that stuff more than most. It's definitely a good bit louder than it was. Any thoughts? The settings/calibration remains intact. I'm worried the power supply may be failing?
On my ST30 I found some loose screws on one of the boards, it's been fine since I tightened them. Beyond that you can take a stethoscope or a piece of hose up to your ear and isolate the noisy part.
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post #13941 of 13947 Old Yesterday, 06:04 PM
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Dewayne Davis (user Dnice) visited to recalibrate my VT50. I have some good charts to share. What's very interesting about this is that it was exactly 24 months between calibrations. We thought it would last that long, but it drifted quite a bit. The difference in picture is so stark that my wife instantly commented on how much better everything looks again. She's now as spoiled as I am.

Enjoy!
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post #13942 of 13947 Old Yesterday, 08:26 PM
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It did drift quite a bit. I have been doing mine every 6 months and it basically tells me I could go 12, but maybe not any more. Touchups are so cheap I dont mind.

Panasonic 65" VT50 / Oppo 103D
Marantz AV7702 / Outlaw Model 7500
Klipsch RF7II (2) and RC62II / Hsu VTF-15H (2)
Panamax MR5100
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post #13943 of 13947 Old Today, 03:25 AM
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Quote:
Originally Posted by mo949 View Post
Dewayne Davis (user Dnice) visited to recalibrate my VT50. I have some good charts to share. What's very interesting about this is that it was exactly 24 months between calibrations. We thought it would last that long, but it drifted quite a bit. The difference in picture is so stark that my wife instantly commented on how much better everything looks again. She's now as spoiled as I am.

Enjoy!
That's one thing that I didn't appreciate about the VT50 (still have it) and that is that it calibrates beautifully. Not so much with my Samsung F8500 without doing a LUTs calibration. Lesson learned is that future displays will have to calibrate well without added electronics.

Tools: Calman 5, Chromapure, VideoForge HDMI II, Klein K10A, eecolor colorbox.
Displays: Samsung 64F8500, Panasonic 65VT50, Oppo 95, Pioneer 51, Tivo Roamio and Mini, Dish VIP722.
Audio: Marantz AV8801, Rotel Amps, Atlantic Tech 8200 speakers, Seaton Submersive HP
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post #13944 of 13947 Old Today, 11:12 AM
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That's concerning to hear. I may have to get deeper into the hole with a LUT color box gizmo and hope Dewayne knows how to use one on my next TV.

Do they work with 3d content yet?
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post #13945 of 13947 Old Today, 11:23 AM
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That's concerning to hear. I may have to get deeper into the hole with a LUT color box gizmo and hope Dewayne knows how to use one on my next TV.

Do they work with 3d content yet?
The lumagen series supports 3d , I have the 2143 model that does 4k.
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post #13946 of 13947 Unread Today, 11:29 AM
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What is the reason the red stays the strongest in the greyscale when the VT50 ages? Or blue becomes weaker.

I remember when I got my VT50 and the default values had an excess of green. Including through the blacks. Now if you restore the Professional modes back to default, there is red tint through everything.

My red cuts and gains are in minus territory and requires more blue when touch ups are involved. Yet green barely creeps as it ages. Though green has a tendency to creep up in the 20 and 30 greyscale range as it ages.

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post #13947 of 13947 Unread Today, 03:34 PM
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Idk. Dewayne always says holy red when he gets here.
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