20 Most Recent Sony KP-57HW40 57" Rear Projection Television Questions & Answers

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How do I check the fluid in the red and green guns? What kind of fluid is it? Or should I just replace them? Are they expensive and where do you get them?

You cant. The fluid and other parts are not available anymore. This TV is too old to repair reasonably. To replace the tubes would be over a $1000 if you can even find them.
9/30/2016 8:07:00 PM • Sony KP-57HW40... • Answered on Sep 30, 2016
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The TV is off, but the red light on the front is flashing. What does this mean and how do I reset this???

It is normal for it to flash for about 10 minutes after turning it off, while it cools down the bulb. You're not supposed to try turning it on during this time. If it is flashing constantly, it is telling you the bulb needs replacing.
4/6/2016 12:26:52 AM • Sony KP-57HW40... • Answered on Apr 06, 2016
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Hasnt been jarred or tipped over. so i guess i'll have to find a tecnician

Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electro-medical.blogspot.com/
3/22/2016 7:52:57 PM • Sony KP-57HW40... • Answered on Mar 22, 2016
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Why dose the stand by blink 5 times

The common cause of the 5 blinks on this model is one of the CRT boards on the tubes, or the drive voltage from the A board is not correct.
6/5/2014 7:04:26 PM • Sony KP-57HW40... • Answered on Jun 05, 2014
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How do I connect my KP-57HW40 57" to my desktop

Hello, unless your desktop has a composite (single yellow video output) or a S-video output it won't.....sorry....tks
11/9/2013 11:56:38 PM • Sony KP-57HW40... • Answered on Nov 09, 2013
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Prone tube

Be the first to answer 10/16/2013 2:40:37 PM • Sony KP-57HW40... • Posted on Oct 16, 2013Be the first to answer
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SONY KP-61HS20 DOESN'T COME ON JUST BLINK 6 TIMES PAUSE AND 6 TIMES AGAIN

Sis blinks of standby light denotes No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. If you wish to get more details about blinking codes to Sony PTV, check this link.
3/3/2013 2:28:16 PM • Sony KP-57HW40... • Answered on Mar 03, 2013
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MY screen turns red after the tv set has been on like for 15 minutes

Locate the master screen / Focus block with 6 adjustments and turn the red Screen down a little.
12/22/2012 2:07:39 PM • Sony KP-57HW40... • Answered on Dec 22, 2012
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Main screen showing "no signal"

KP-43HT20 has 2 tuners, one is main (TU2) and 2nd is called sub tuner (TU1). Both tuners are mounted on A board located on right side of TV.
In my opinion, main tuner (TU2) is not working and causing No Signal message.
Let me know if you want to repair tv by yourself.to provide you more technical info.
11/6/2012 4:59:51 AM • Sony KP-57HW40... • Answered on Nov 06, 2012
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Big screen sony tv goes green after 15 minutes

this model is prone to this problem--bad picture tubes.

I have a way for you to attempt to adjust around it.

Are you interested?

SD TECH
10/24/2012 2:58:12 PM • Sony KP-57HW40... • Answered on Oct 24, 2012
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Kp57hw40 is a greenish color

If green appears to bleed out of objects then it's probably the saturation level is to high. If that doesn't work you can try changing the Hue setting more towards red and away from green.If neither works and you don't have a warranty I would call your a local TV repair company.
10/22/2012 6:51:01 PM • Sony KP-57HW40... • Answered on Oct 22, 2012
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The entire screen went red and adjustments are not fixing it

The model listed and several near it had issues with the 3 picture tubes--it may be possible to adjust the red screen down---not too hard to do
10/17/2012 2:53:26 PM • Sony KP-57HW40... • Answered on Oct 17, 2012
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Sound

The set which is older has sound or not----? model listed here is stereo.
8/27/2012 4:07:51 PM • Sony KP-57HW40... • Answered on Aug 27, 2012
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