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Rca tv F27191DG - we've been losing picture temporarily. each time it happens there is a red asterix next to the channel(s) - what is happening and how can be stop it.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 367 Answers

SOURCE: Sound no picture brand new tv

I just got done fixing an Akai LCT2660 that had four bad capacitors on the power board.Works perfect now.Hope this helps.Thank You very much!

Tyler

Posted on Feb 02, 2008

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  • 1 Answer

SOURCE: TV losing its channel memory

Call Acer.
I had he same problem, Acer sent to me a technician who uploaded new firmware to the TV and in about 10 minutes the problem was solved.
Uploading the new firmware goes through a specific interface so unfortunately you can't do it yourself

Posted on Feb 16, 2008

scottyfixit
  • 186 Answers

SOURCE: LG 37 inch Flat Panel Loses picture

Take a camcorder and capture it, that should be enough proof that it's failing often enough to be repair right. When the picture goes out, can you see it dimly if you take a flash light to the screen? It might be a bad inverter.

Posted on Apr 25, 2008

  • 1 Answer

SOURCE: Panasonic Viera TH-42PV7HS Plasma keeps shutting down

hi there, have the same kind of problem twice so far after was bought for me as x-mas present (although my viera isnt plasma, its an LCD TX-32LMD70A)..

I Pulled out the mains plug for about 10-20 seconds and then plugged back in (power button at top was pushed in, in the on position, so when the power was on, the tv just goes straight on). It then worked.

i would however like to know why this happens ( i really hope this isnt a hardware problem, as like many others... its only months old!!)

hope this helps

Posted on Apr 27, 2008

  • 2 Answers

SOURCE: TV losing its channel memory

I had the same problem. I replaced the EEPROM marked U33 (it's a 24C32 in a smd package) and the TV worked fine.
BEFORE replacing the EEPROM you have to go into the Service Menu (hold down VOL- and CH+ on the local command) and take a note of all the values, specially the R,G,B gain and R,G,B bias, in the "standard" picture mode as well as in the "Cold" picture as well as in the "Warm" picture mode.

(if you forgot to do this, here are my default values:

R gain: 434
G gain: 482
B gain: 484
R bias: 270
G bias: 270
B bias: 264

then you put the "Cold" image mode and set again those values, increasing the G bias to about 300 and the B bias to about 310.

then put the "Warm" image mode and set again those values, increasing the R bias to about 300 and the G bias to about 280)

The other values such as brightness, contrast etc, have to be left at 50.

I hope this solution will FixYa!

Posted on Aug 06, 2008

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