Question about Samsung HP-R5072 50 in. Plasma HDTV

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HP-R5072C - screen flickers and has horizontal streaks. TV is about 6 years old and I had the logic board replaced about 6 months ago.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 179 Answers

SOURCE: Samsung 42" Plasma-SPN4235 screen problem

the panel itself has failed

Posted on Dec 01, 2007

HDTV GURU
  • 261 Answers

SOURCE: Horizontal lines on Samsung Plasma

Sounds a lot like the Power supply board. But you have to check it out further to be sure. Email me back and we'll chat. GURU JAY

Posted on Feb 06, 2008

SOURCE: LCD TV SCREEN PROBLEM RED HORIZONTAL LINES OF DOTS ALL OVER SCREEN PLEASE HELP

I had a mass/earth cut and it does that on my screen. What I do is I plug it where the electricity is ok

Posted on Mar 03, 2008

  • 9 Answers

SOURCE: Samsung HPR4252 with red horizontal lines accross the screen

Hey the probelm i think is the buffers low or upper left side on back when cover is taken off cost about $80 each!! Then the same for the bottom ones!! Lines will show if they go bad!! If you dont want the parts inside the plasma!! I would love to have them!! Here's my email rudog3369@yahoo.com!!

Posted on May 27, 2008

  • 10 Answers

SOURCE: LCD TV SCREEN PROBLEM RED HORIZONTAL LINES OF DOTS ALL OVER SCREEN PLEASE HELP

This should be repairable. It may be the LVDS Cable or the Main board problem. The only other problem is the T-Con Board.

Posted on May 23, 2009

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as i see your picture maybe that is lack of vertical sync or vertical ramp... can you send me the service manual then i diagnose this problem. send me at gmf_likha@yahoo.com

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no solution, same sounding problem though. last year we were getting lines through the screen and flickering and then the bulb burned out. had it replaced, 2 months later it did it again (they wouldn't stand behind the bulb so we had to buy a whole new one) this time had the bulb and ballast replaced because the repair guy said usually you have to replace both (why didn't they replace them both in the first place?) .. a year later and it's doing it again.. we get the flickering of the screen going on and off and horizontal lines that flicker across it. after turning the TV off and on a few times it seems to go away (or after it warms up)

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Horizontal lines are either caused by the main logic board, a dammaged screen or by the main x and y drivers. Hard to determine which one it is, but somthing is getting hot which is causing the problem. My guess is the main logic board.

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It looks like the main board will have to be replace on this TV or fix to the component level.

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Are you from US or Canada? I'm Panasonic authorized and allways Pana covered the warranty after 1 month from the expire date. Call Panasonic Viera service and tell them the story. I'm sure you'll get refound.
Anyway, a horizontal line doesn't mean the PDP is defective. It's one scan IC burned on the SU or SD board (depend where the line is). We allways replaced the SC bord each time SU or SD got burned. If after SD and SC replacement it still defective...yes the PDP has one scan line in short.
Call Viera and insist to get warranty. Let me know. Good luck!

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THIS HAS NOTHING TO DO WITH CONVERGENCE or any of the stk integrated circuits.There are few capacitors close to the vertical output ic, they are usually blue or red (could be 1000uf 50volts for e.g.)That where the problem is

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