Question about Sony KP-51HW40 51" Rear Projection Television

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KP-51HW40 I have this model Sony TV It's been working fine, now today when i turn it on, it works fine for a few minutes then the picture starts to fade and then goes to a blue screen. The sound still works perfectly. HELP!!!

Posted by Cynthia Compton on

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Anonymous

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Sounds like the tuner may be going out on the set.

Posted on Aug 17, 2008

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I have a sony KP-51HW40 and when i turn it on about 5 minutes later it shuts it off.

If the TV works fine during the 5 minutes its on then your power supply in the tv is heating up and shutting off. If you have some mechanical knowledge you can buy another power supply from Ebay for around 35.00 and replace it. will require some soldering
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I have a sony kp-51hw40 that I just received

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or a new lamp. you could first replace the lamp.
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Hello......
First reduse the G2 voltage for the blue c.r.t,and watch if the unit works for longer period (offcource blue colour will be not present).After reducing G2 voltage to blue c.r.t still behaves the same than c.r.t is faulty and you have to replace.
Pls count the red led blinking when it goes off,incase it goes to std by mode.
Gopali
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Vertical amplifier s faulty.Replace and resolder surrounding area.
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