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Pixelation on Local HD Channels Only with or without cablecard

I have a Sony LCD rear projection TV (KDF-E50A10) manufactured in  November 2005.  I use a cablecard with Verizon FIOS TV.  According to Sony, the TV has the latest firmware.

A few weeks ago, I noticed pixelation on local HD channels only.  According to Verizon, no one else in my area is reporting this problem.  The pixelation does not occur on any other channels, and occurs at any time of the day or night.  Verizon has replaced the cablecard, the Optical Network Terminal, the cable from the ONT to the TV, and adjusted the attenuation levels to the proper level (0 db).  They checked for ingress, but found none.  The pixelation continues to occur on the local HD channels.

As an experiment, I removed the cablecard and let the Sony tune in any unencrypted channels I was getting.  In this setup, I am still able to tune in the local HD channels via cable.  Again, the pixelation is present.

A Sony service center tech said that in his opinion, the problem lies with the signal.  Verizon can find nothing wrong with the signal coming to the TV.

I have attempted to isolate potential sources of signal interference in the house, such as cellphones, a wireless router, cordless phones, refrigerators, etc., without success. 

Any suggestions appreciated.

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  • Televison & ... Master
  • 78,257 Answers

This is caused by one thing, poor signal strength.

Posted on Mar 02, 2017

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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simplemitch
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SOURCE: Red pixelation

Thhis is common in really low-end brands. It's a paperweight.

Posted on Sep 08, 2007

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SOURCE: Sony Bravia KDL-40v3000

NISK-TRY USING YOUR DIRECTTV MENU AND LOOK AT THE SCREEN FORMAT SETTINGS AND MAKE SURE YOU ARE AT 16X9 SETTING.JOETV

Posted on Jan 02, 2008

mistersony
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SOURCE: Sony HDTV flat - no picture with HDMI cable and Verizon FIOS box

Probably a handshake problem with the cable box. It is common for cable boxes to have HDMI handshake problems. Hook the box up using the component cables and you should be fine

Posted on Oct 18, 2008

  • 2 Answers

SOURCE: Sony KDF-46E2000 hd picture problems

MY Sony (same model) has OUTstanding picture resolution and quality., I never have blockiness on any of the sports channels. I would say, give Comcast a call and complain about their signal.. they have a tech come over for free diagnostics on your wiring..

Posted on Nov 11, 2008

albertv29
  • 87 Answers

SOURCE: Pixelation

This model has been known for problems with the Hyper module but the picture would be affected with any input source.HD or not.The cable converter box and the cable signal are the only culprits for pixilation.Pixalation is the result of missing digital information via signal.If it is only appears on the HD signal I would suspect the cable signal or the converter box.I assume you are using your component input on your TV or the HDMI input.As a technician I would suspect the cable box or cable for pixalation.

Posted on Jan 19, 2009

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