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TV randomly turns off. Screen sez COMP 1 with a blue screen then fades to a block screen. !5 -20 minutes later the picture restores back to the progressed program. WHY and How Do I fix.

Called out Charter Technician 5 times in a 5 week period . He cannot solve problem.

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  • Master
  • 3,506 Answers

Need to know what tv you have. If tech cannot fix it it may be best to just buy a new tv and could be a lot less exepesnive in the long run

Posted on Nov 24, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 39 Answers

SOURCE: Sony KP-51HW40 51 in. Rear Projection turns blue

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

Posted on Dec 14, 2007

Slinteriors
  • 8617 Answers

SOURCE: TV screen goes blank but power stays on

Sounds like the CRTs are going into protective blanking due to the vertical output ic needing to be resolderd. Try resoldering the vertical IC that may possibly fix the issue.

Posted on Jun 15, 2008

SOURCE: Blue line problem with Sony Grand WEGA KDF-55WF655 Rear Projection TV.

We had the free repair from SONY for the blue dots and splotches. It works great now but you need to hurry and contact them as the offer expires I believe in December.

Posted on Sep 27, 2008

sticky92505
  • 77 Answers

SOURCE: Florescent blue dots on the screen

pixels are going out on the screen

Posted on Feb 19, 2009

  • 41 Answers

SOURCE: stanby light blinks 5 times

The sight in Jean's posting could help. Usually 5 blinks signify that the voltage is too low so you may actually have to turn the knobs up then back them off just until the retrace lines disappear. If one color dominates and you see retrace lines, you may want to turn that one down. But if the dominating color doesn't show retrace lines the other 2 might need to be increased slightly. If you Google Sony TV flashing led codes most likely you will come across an explanation of the codes. Hope this helps.

Please keep in mind many things can go wrong with TV sets and you should really do a lot of research before attempting any adjustment and or repair. There are high voltages present in some areas and they can reside even when the set is unplugged.

Posted on Mar 14, 2009

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1 Answer

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...

1 Answer

Fading blue screen


You may have a bad blue picture tube but there is a way to deal with this first---This is a 2003 model ---I did one of these with the same problem a week ago---the set has a black plastic block with six controls---three are Focus(red,green,blue) the other 3 controls are Screen controls(red, green, blue) Someone has to remove the entire piece on the front of the set below the screen(usually a plastic part) most of the time it is secured with 3 screws on either side of the set in the back; once you remove the screws the entire piece should pull out(pull from right to left(it will not fall off or come out easy--it is held in with several large plastic pegs) With it removed there is an inspection plate with 4 screws-----the screen/focus block is behind it.

You need to look very closely at the block to identify the focus versus screen controls----one row left to right will be marked Focus and the other row left to right will be marked screen------YOU need to locate the Blue Screen control(they are black like the block) With the set on(be careful) go to a video input with nothing connected---if you see a blue screen as well as the input number turn the BLUE SCREEN CONTROL SLOWLY TO THE LEFT UNTIL THE BLUE is gone.

If this cures the problem you may only be buying yourself some time----if the blue picture tube is bad sooner or later this trouble may return----I have seen sets where this was adjusted and the set worked for a year or more with no repeat of the trouble----replacing the blue tube would likely cost you 400 - 500 parts and labor.

IF YOU HAVE ANY QUESTIONS OR NEED ADVICE LET ME KNOW- I am here to help people.

SD TECH

Oct 06, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Picture comes on then fades to blue


Check the info from this website to see if you are able to fix your TV. You should turn the blue screen control down slightly counterclockwise. If that did not work, then more likely you have a video amplifier IC defective or a blue CRT.

Dec 19, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Blue screen sony


blue crt shorting use crt restorer to lift short or replace picture tube /crt

Aug 19, 2008 | Sony KP-46WT500 46" Rear Projection...

2 Answers

Tv screen goes black


No, if the picture of your tv screen is clear when when you watching. the troble of your tv is looseboard, and you replace your CRT socket too.

Apr 16, 2008 | Sony KV-35V35 TV

1 Answer

Picture has green tint on startup


Jar-Head, bad news, the picture tube has a mild short in the green cathode, tech can come out and try to restore it but it`s usually a futile attempt on sony tubes, sorry to be the bearer of bad news, BMW Rider

Jan 14, 2008 | Sony KV-32S26 32" TV

1 Answer

Sony KP-51HW40 51 in. Rear Projection turns blue


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

Dec 14, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Blue screen


this problem is due to blue video circuit. 1 Please check supply to blue video ckt. 2 check crt base for loose. 3 check loose contact & parts related to blue cathode. 4 blue signal coming from processor to blue video. 5 processor it self. 6 at last if tv is very old than check crt also.(possibility is rear) hope this will help.

Oct 03, 2007 | Sharp 32C-240 32" TV

1 Answer

FADING TO BLUE SCREEN


Sounds like you have a problem with the blue gun in your picture tube or its drive circuit. You might remove the back cover and gently tap on the neck of the picture tube using a plastic screwdriver handle while watching the screen in a mirrow. If the picture flashes back on or on and off then the picture tube is the problem. If this is a projection tv you have three separate tubes : red, green & blue. you'd need to tap the blut one.Gently!!!! Stargazer

Feb 13, 2007 | Sony KP-53HS20 TV

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