Question about Sony FD Trinitron WEGA KV-34HS420 34" TV

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Sony trinitrion tv fades blue and wont come on until hit hard on the back

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  • 55 Answers

Sounds like you have a power supply problem. Could be as simple as a cold solder joint. Check the solder connections oin the power suplly area. Especially any large components like caps or regulators, etc...

Posted on Jan 17, 2009

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Posted on Jan 02, 2017

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I have blue arched lines and blue screen


HI:
Your problem is the blue CRT or picture has gone bad, you will need to have the picture replaced, there are three tubes in this model rear projection television. Red, Green, and Blue. Replaceing the blue tube is the only option for normal operation to resume. It may be hard to find the tube, but you can try contacting this website for the part www.vdc.com, they manufacture and usually have stocks of sony picture tubes and rebuilt ones as well. The company's name is Video Display Corporation...

Jul 14, 2010 | Sony KP-57WV600 57" Rear Projection...

1 Answer

Blue line across bottom of screen on a Sony LCD rear projection


Contacted Sony Eletronics and was told it could not be fixed . Sony
offered a great deal to trade in for a much better one : a 55" Sony Bravia valued at $ 2,000 for $ 825 . Not bad !

Feb 05, 2010 | Sony KDF-E42A10 42 in. LCD Television

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Turn on the big screen sony tv, but fades to blue


You probably have a bad BLUE CRT. Due to the cost and the length of time it would take to repair, I would not invest the money into it. It would require a Qualified Service Person to come to your home and remove the BLUE CRT assembly and send it back to SONY to be rebuilt. Estimated cost would be around 800.00. I would check prices of a replacement set.
I hope this helps,
Skyassoc

Oct 27, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

I own a sony colour Trinitrion 330v 50h Televion


sounds like you are not getting video info. picture tube probably o.k. check the inputs on the back of the set. don't know about repair shops in your location. do you have sound?

Sep 21, 2009 | Televison & Video

1 Answer

Picture fade to blue


You can reduce the g2 for the blue tube
open the front grill and open the 4 screws hold the resister block
to have acess to the register block.
Then there should be the black box have 6 knobs
the one call for Blue g2 not the focus block.
Adjust it counterclockwise a little bit
and try turn on TV again



Jan 09, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Blue screen


This is easy to fix, pull off the front grill and turn the bottom left trim pot anti clockwise until the picture comes back. I am asuming the picture there and then it fades to blue. There is a step by step instruction on how to get the whole thing apart http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Sep 15, 2008 | Sony KP-51HW40 51" 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...

1 Answer

Blue screen


· http://esupport.sony.com/perl/news-item.pl?news_id=24
· Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.

Nov 10, 2007 | Sony KP-65WV700 65" Rear Projection HDTV

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

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