VT50 yellow-ish blob on display - Page 31 - AVS Forum
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post #901 of 1000 Old 02-07-2014, 09:14 PM
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Had my screen replaced...looked great until now..I have the blinking red light of death..anyone seen this before? When you try to turn it on the screen flashes for a second then shuts off and the bottom red light flashes indefinitely
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post #902 of 1000 Old 02-07-2014, 09:48 PM
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Never heard of that for years. Post a short clip of it happening?
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post #903 of 1000 Old 02-07-2014, 10:26 PM
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Quote:
Originally Posted by mo949 View Post

Never heard of that for years. Post a short clip of it happening?
http://m.youtube.com/watch?v=G-9uThE2lxs

Hope this works let me know
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post #904 of 1000 Old 02-08-2014, 01:13 AM
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Works great! How long will it flash? Previously it would be 7 time and would be from a failed circuit on one of the boards.
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post #905 of 1000 Old 02-08-2014, 07:44 AM
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It blinks 8 times... I ha e all kinds of issues with Panasonic.they have no record of the service done and screen replacement.. Had my name and address misspelled also wrong zip code. To top it off the case I used is tied to someone else..thus mine shows only the original complaint of the blobs..the photos i sent and any correspondence after does not exist
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post #906 of 1000 Old 02-08-2014, 08:41 AM
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BLINKS PROBLEM CHECK POINT
=================================================================================

2 blinks 15v SOS P-Board

3 blinks 3.3v SOS D-Board / DN-Board

4 blinks Power SOS P-Board

5 blinks 5v SOS P-Board / D-Board / DN-Board

6 blinks Driver SOS 1 SC-Board

7 blinks Driver SOS 2 SC-Board / SU-Board / SD-Board

8 blinks Driver SOS 3 SS-Board / SS2-Board

9 blinks Panel Config. SOS D-Board / DN-Board

10 blinks Communication Error btwn Terminal Board / DS-Board
Panel MPU & SCW4-MPU

11 blinks Fan SOS PB-Board / Fan

12 blinks DN Config SOS DN-Board

13 blinks 3.5 / 2.5 / 1.8v SOS DN-Board
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post #907 of 1000 Old 02-08-2014, 08:42 AM
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Guess mySOS 3 SS-Board / SS2-Board is bad
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post #908 of 1000 Old 02-08-2014, 10:41 AM
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I think you are right. Although vt50 codes (which I can't find for you-sorry) are probably similar to the vt20 ones. One things for sure is that a technician should know exactly what that means. frown.gif
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post #909 of 1000 Old 02-08-2014, 10:47 AM
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I wonder if I can get a vt60 out of Panasonic for this hassle... If it goes into service again who knows what else will break since now the only warranty left is the 30 or 90 days they give after the repair..
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post #910 of 1000 Old 02-08-2014, 05:28 PM
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That's the big hope.
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post #911 of 1000 Old 02-08-2014, 08:05 PM
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Could be a loose or damaged ribbon cable, damaged SS / SS2 board ribbon cable connector, damaged panel connectors (would need to replace whole panel), damaged SS / SS2 board. This is for the VT60 but the wiring is pretty similar. If there is damage to the SS or SS2 boards it may be ESD (electro static discharge) damage which won't be physically noticeable and sometimes takes time to show up. I am amazed that many of these technicians don't take ESD precautions when working on these sets. Grounded wrist strap and ground the TV or at the very least touching metal parts on the TV often to equalize any charge. Those small ICs are very fragile when it comes to ESD.

I am hoping for a loose ribbon cable.

Top right schematic. You can download and zoom.

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Originally Posted by mysammy64 View Post

Guess mySOS 3 SS-Board / SS2-Board is bad
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post #912 of 1000 Old 02-10-2014, 05:30 PM
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Quote:
Originally Posted by Donat76 View Post

Could be a loose or damaged ribbon cable, damaged SS / SS2 board ribbon cable connector, damaged panel connectors (would need to replace whole panel), damaged SS / SS2 board. This is for the VT60 but the wiring is pretty similar. If there is damage to the SS or SS2 boards it may be ESD (electro static discharge) damage which won't be physically noticeable and sometimes takes time to show up. I am amazed that many of these technicians don't take ESD precautions when working on these sets. Grounded wrist strap and ground the TV or at the very least touching metal parts on the TV often to equalize any charge. Those small ICs are very fragile when it comes to ESD.

I am hoping for a loose ribbon cable.

Top right schematic. You can download and zoom.

Thanks for the info..i hope i dont need to dig into it since there is still a warranty after the repair.. Not sure for how long servce guy said 30 days i thought it was 90...this is day 29
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post #913 of 1000 Old 02-10-2014, 05:41 PM
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Quote:
Originally Posted by mysammy64 View Post

Quote:
Originally Posted by Donat76 View Post

Could be a loose or damaged ribbon cable, damaged SS / SS2 board ribbon cable connector, damaged panel connectors (would need to replace whole panel), damaged SS / SS2 board. This is for the VT60 but the wiring is pretty similar. If there is damage to the SS or SS2 boards it may be ESD (electro static discharge) damage which won't be physically noticeable and sometimes takes time to show up. I am amazed that many of these technicians don't take ESD precautions when working on these sets. Grounded wrist strap and ground the TV or at the very least touching metal parts on the TV often to equalize any charge. Those small ICs are very fragile when it comes to ESD.

I am hoping for a loose ribbon cable.

Top right schematic. You can download and zoom.

Thanks for the info..i hope i dont need to dig into it since there is still a warranty after the repair.. Not sure for how long servce guy said 30 days i thought it was 90...this is day 29

If you report the issue before the end of the warranty, it doesn't matter when the technician shows up. If you already have a new Panasonic case number, i wouldn't worry just because it may be the last day of the warranty.
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post #914 of 1000 Old 02-10-2014, 07:21 PM
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Quote:
Originally Posted by Donat76 View Post

If you report the issue before the end of the warranty, it doesn't matter when the technician shows up. If you already have a new Panasonic case number, i wouldn't worry just because it may be the last day of the warranty.
I called but they couldnt process the complaint because the panel replacement was not attached to my old case# and the original warranty has lapsed.. Still waiting for the tech who serviced it to call me with the case# he used...
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post #915 of 1000 Old 02-11-2014, 05:48 PM
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Well because i called today day 31 panasonic said its out of warranty but he made a note about me calling in on the 28th day. Thwy escalated the case and i will hear something back in the next 24-48 hours....
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post #916 of 1000 Old 02-13-2014, 06:05 PM
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Panasonic will not help And Refers Me Back To The Servicer Who Will Not Return my calls.... They say i am responsible for the repairs and since it failed within days of the repair its the servicer who is responsible.... then i asked for another servicer and they gave me the same guy... the next closest is over 100miles away.....
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post #917 of 1000 Old 02-17-2014, 07:41 PM
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Some measurements of screen temperature and the effect of fans. As expected, driving the screen with brighter settings increases the temperatures. Upper left and right locations correspond to visual blobs.

TV Panasonic TC-P65VT50
3 Fans NOCTUA FAN NF-P12-1300 NINE - Ultra low noise resistors
Video Source Disney WOW Pixel Flipper
Room temp 67 degrees (F)
Thermometer Craftsman IR Model 50455





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post #918 of 1000 Old 02-17-2014, 08:35 PM
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I have purchased 4 of thoses fans and a controller...how are you attaching these to the tv? Are there any vents that the fans are sitting on?
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post #919 of 1000 Old 02-17-2014, 08:55 PM
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I use Velcro tape with adhesive backing, and each fan is centered on the perforated vent behind the circuit boards.
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post #920 of 1000 Old 02-17-2014, 09:50 PM
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Quote:
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I use Velcro tape with adhesive backing, and each fan is centered on the perforated vent behind the circuit boards.
No concerns of drawing dust into the panel? Are the fans filtered in some way?

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post #921 of 1000 Old 02-17-2014, 09:57 PM
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Fans blow air out, no filters. Worried more about panel damage than dust. Even at the lowest speed, fans do make noise that might bother some people.
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post #922 of 1000 Old 02-18-2014, 12:43 AM
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There were already fans on the tv before we added any. If you get a good enough seal around the fans ( i used real hvac tape) and run it with the medium resistor you can get a lot cooler. In my night mode I can have them switch off.also som blob pics had one at top center so I stuck my 3rd fan there (smaller noctua). Don't hear them over the sound system personally but when the tv is off and they are running I can. Still running 100 percent blob free.

Good measurements.
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post #923 of 1000 Old 02-21-2014, 09:57 AM
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Open heart surgery on my beloved 65VT50. I think I'm going to be sick!!


McIntosh MX121. McIntosh MC205. Focal Aria 948 Main Speakers, Aria CC900 Center. Focal Electra IC 1002 In-Ceiling Surrounds. Paradigm Studio Sub 15. Oppo BDP-105D. Roku XS. Roku 3. Apple TV(3). DirecTV. Panasonic TC-P65VT50. Samsung UN40FH6030F, URC MX-780.
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post #924 of 1000 Old 02-21-2014, 01:39 PM
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Yikes !!!

65VT60(Calibrated by Chad B)
55ST60(Calibrated by Chunon)
Darbee DVP5000
Sony BDV-F7 3dbluray/soundbar
Calman Enthusiast/I1Pro/I1D3
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post #925 of 1000 Old 02-21-2014, 01:41 PM
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Quote:
Originally Posted by scirica View Post

Open heart surgery on my beloved 65VT50. I think I'm going to be sick!!


Do they reset the software to new for breakin when they replace a panel?
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post #926 of 1000 Old 02-21-2014, 02:11 PM
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Do they reset the software to new for breakin when they replace a panel?

Nope...all the boards transfer over to the new panel. I still have my ISF Mode calibrations and everything. Still need to have Chad come back out to calibrate the new panel as soon as I put some hours on it. In the meantime, THX Cinema is my friend cool.gif

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post #927 of 1000 Old 02-21-2014, 02:30 PM
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And THX Cinema looks pretty much as it did?
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post #928 of 1000 Old 02-21-2014, 03:26 PM
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Quote:
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And THX Cinema looks pretty much as it did?
To my eye, yes. Looks good.

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post #929 of 1000 Old 02-25-2014, 06:39 PM
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tagging along
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post #930 of 1000 Old 02-25-2014, 10:06 PM
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5 days with the new panel. So far so good. I was really hoping for a VT60 but this panel is a keeper. I'll report back after 500 hours or so.

McIntosh MX121. McIntosh MC205. Focal Aria 948 Main Speakers, Aria CC900 Center. Focal Electra IC 1002 In-Ceiling Surrounds. Paradigm Studio Sub 15. Oppo BDP-105D. Roku XS. Roku 3. Apple TV(3). DirecTV. Panasonic TC-P65VT50. Samsung UN40FH6030F, URC MX-780.
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