Question about Sony KP-57HW40 57" Rear Projection Television

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Tv problem I have 2002 projection tv when I turn it on it stays on for a few seconds then the green & red Bulb will slowly fade complety out, I suppose l'll have to replace the bulb's, if so where do i find them & how much do they cost

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  • cdeezy Oct 23, 2008

    i have a sony kp-57hw40 and it went out some time ago. had a repair man come by he gave me a price more than the tv was worth. i also herd if u reset the crt's the picture may return. where are the crt's?

  • humpty21 Oct 31, 2008

    i have the same problem, but my blue light doesnt come on at all then the red and green light just shut off.

  • pearl46 Nov 19, 2008

    I have a sony kp-57hw40 when i turn the tv on the picture comes in for about five seconds then it fades out. My red light blinks anywhere from four, seven, to eleven times. The blue gun comes on first, then the red and green then they all go off.

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Many of these Sonys can be repaired simply by reseting the white balance for the CRT's

Posted on Oct 22, 2008

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2 Answers

KP-65WV600 Red and Green Lamps fade out after about 15 seconds


Hi, if the tubes fade from full brilliance to black over a few seconds, the possible sounds like dry joints in the CRT heater circuits. possibly caused by dry joints (bad solder joints). Most repairs involving rear projection TV's can be a pig (mainly relating to access to work on the circuit boards)

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The screen turns blue after about 2 minutes of turning on the TV


Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.

Jul 25, 2010 | Sony KP-57HW40 57" Rear Projection...

2 Answers

Tv comes on for 10 seconds then fades to a green tint then turns completely green for a few seconds than turns off


Hi,
Symptom shows tv got problem with green picture tube that need to be replaced.
Rear projection tv has 3 picture tubes, red-green-blue to make color picture.
Since its an old model so spare parts would hardly be available and local tv repair shop will help you to arrange required part, if they can.
Thanks.

Apr 16, 2010 | Sony KP-57HW40 57" Rear Projection...

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Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

Aug 23, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

No picture but normal sound.


projection bulb needs replacement

Aug 11, 2008 | Televison & Video

3 Answers

Sony tv KDF55WF655


same problem... tv turns on and off repeadly while the green light flashes. seems as if the tv keeps restarting. please help.

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1 Answer

SONY KP-57HW40


you are experiencing one or more of three things
1.the crt itself is damaged
2. the vertical ic on blue crt board is bad
3. the focus block is bad
if you hire a sony authorized technician they should be well aware of this problem.

Oct 22, 2007 | Sony KP-57HW40 57" Rear Projection...

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