Question about Sony Grand WEGA KF50WE610 50" Rear Projection HDTV-Ready Television

7 Answers

KF-50WE610, have some pink lines/area that look like circuits.

Have some pink lines and small (pink) sections on my screen. Looks like little circuits strung together creating these lines/areas. No pattern, random area on the upper part of the screen. Doesn't go away regardless of media (cable, DVD). Called Sony service who said to Power down the unit. I did this for one hour but no change. Pink area/lines still there. The unit is 5 years old. I changed the lamp about 4.5 years ago. No other service has been done. Unit was recently moved cross-country but has been working fine for last 3 months.

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  • jimsaka Nov 24, 2008

    What board are you talking about? I don't want to solder something. Do I need to get a Sony tech in to change out something?

  • jimsaka Nov 24, 2008

    I rather replace the main board knowing it gets done right vs. me trying to do it. What is the part number I need to order from Sony. Any idea of cost? It is easy to replace?

  • jimsaka Nov 24, 2008

    Do you have a part number of the main board? I went to the link and they don't show anything under the product model number

  • jimsaka Nov 24, 2008

    Do you have a part number for the main board?

  • jimsaka Nov 24, 2008

    Had a spare lamp and changed it. Not the resolution. Pink area and lines still there.

  • jimsaka Nov 24, 2008

    Do the screens go bad? It's like it's the screen itself. Getting picture, etc is fine. The area/lines don't move. It's the same spot. If it's the screen can it be replaced at a reasonable price.

  • jimsaka Nov 24, 2008

    This is the problem, link had pictures of the problem - optical block and my unit was purchased in 2003.

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7 Answers

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  • Master
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The problem is probably with the light engine itself as some experts have pointed out. It is extremely expensive (around 1000-1500$). The part number is A-1605-853-A. Not sure if its worth the repair. You can try looking for the part at www.partstore.com

Posted on Nov 24, 2008

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  • Master
  • 2,267 Answers

It looks like the optical block is causing specific issue. The part itself is very expensive and might not even be worth it to get fix unless you contact sony and ask them if they can extend the warranty for this issue. Sony is aware of this manufacturing failure.
Read more about your issue by clicking here.

Posted on Nov 24, 2008

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  • Sony Master
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Get a sony sevice engineer out to sort the problem, if you go out and buy a new circuit board and then get it installed only to find out it may not work and there are other problems (which is the usual case) you are going to be pretty annoyed about the money you have spent, these boards are not cheap at all and could cost the same price of a certified sony engineer


regards

Posted on Nov 24, 2008

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Hi,
In my opinion, your TV requires new Lamp and you can get it from Sony Accessories and price is approx $200 (once on page, write model number in search box)

Lamp part number is as follows...

A1606034B LAMP BLOCK XL-2100U

Good Luck.

Posted on Nov 24, 2008

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  • 276 Answers

U need to check the main board of your tv and resolder all the junctions .As u said u shifted the unit it must have caused some electrical component loosened up because of the jerks while transportation.
feel free for further help.
if any.

thanks.

Posted on Nov 24, 2008

  • smarttech Nov 24, 2008

    tv lamp part number ------A-1606-034-B

  • smarttech Nov 24, 2008

    Installation is Quick and Easy:
    In most cases, replacing your projection lamp is quick and easy. However, we recommend that you consult your owner's manual for more detailed instructions:

  • Unplug your TV from your power outlet
  • Allow the lamp to cool for at least one (1) hour before replacing it
  • Remove the Lamp unit cover (Usually located at the rear of the television)
  • Unscrew the lamp housing unit
  • Remove the old lamp housing unit and discard
  • Screw in the new lamp housing unit
  • Place the cover back onto your TV unit
    Caution: Do NOT touch the bulb directly with your fingers

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  • 291 Answers

Try dry soldering all the points on the main board to solve this problem.it is due to the loose soldering joints.good luck.

Posted on Nov 24, 2008

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Models: KF-42WE610, KF-50WE610, KF-60WE610, KDF-70XBR950, KDF-60XBR950, KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620.

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