Question about Projection Televisions

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Sony trinitron 8 yrs old

Is it worth it to get the picture tube replaced? How expensive is it?

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In the long run...i think it would be better if you would buy a new set!! thank you ma'am

Posted on Aug 07, 2008

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I have a Sony KP-48S65 48" Rear Projection Television that the pic just flashes on and off. No error codes are showing. Sound is fine. Any ideas on a cause?


Absolutely. Sony's Trinitron tubes exhibit this failure when they begin to lose gas charge. Translation: THE CRT PICTURE TUBE HAS GONE BAD. Very sorry!
It is a VERY old set, and I'm certain it has brought you hours of good service.

May 11, 2015 | Sony Projection Televisions

1 Answer

Sony KP-51WS500 lossed it's green color...


FIRST YOU NEED TO LOOK INSIDE THE UNIT FROM BEHIND WITH THE COVER OFF AND SEE IF THE TUBES ARE LIT. AT THE BOTTOM OF THE TUBES BY THE CIRCUIT BOARDS, SEE IF ALL 3 ARE GLOWING ORANGE,(FILLAMENTS). IF THEY ARE ALL THE SAME THEN LOOK INTO THE LENSES AT TOP AND SEE IF THERE IS ANY LIGHT INSIDE. THESE SETS ARE COMMON TO HAVE BAD SOLDER CONNECTIONS ON THERE CRT BOARDS. EITHER LOST THE FILLAMENT CONNECTION OR LOST THE VIDEO DRIVE SIGNAL. LET ME KNOW, WE CAN GO FROM THERE. CAN YOU USE A SOLDERING IRON?

Dec 27, 2009 | Projection Televisions

2 Answers

Sony trinitron, 8 years old, sound but no picture...sometimes lined picture halfway upscreen...


your picture tube is dead it needs to be replaced contact tv repairman,

Aug 07, 2008 | Projection Televisions

4 Answers

Blue Screen and TV shuts off


Here's a shortcut to what the blinking codes mean.
http://www.somelifeblog.com/2007/08/sony-tv-led-blinking-codes-what-does-it.html
Strange how some people have 5 blinks. Most with this problem have 8 blinks (like myself)

I still have the blue-flash-then-shutting-off problem.. (8 blinks meaning voltage error) but I did fix the blue lines.. The lines across the screen can be very easily fixed whether they're blue green or red. . No, I mean REALLY easy. Took me longer to get the cover off. Once the front cover is off it takes 10 seconds. This link was also posted recently in one of the posts below as a solution..
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
(My lines didn't look like the ones in the picture mine were several evenly spaced blue arcs)

After some research I believe the flash/shutting off problem means the CRT is going. I've also read that it might be the D-board and I'm not even sure that that is... But If it is indeed the CRT then I'll let you know it's very difficult to find a replacement blue CRT as this part has been discontinued.. but I did eventually find an alternate to an alternate part (yes that's the 3rd alternate !)) online for $256. Here: http://store.tv-repair-service-salinas.com/8-733-649-35.html

If you're bold enough to attempt that then good luck and please let us know if it worked.
Or another alternative is there's a whole lot of Boxing Day sales goin' on right now.

Jul 12, 2008 | Sony KP-51WS500 51" Rear Projection...

1 Answer

6 yrs old went dead


try unplugging the green CRT circuit board making sure the board isnt touching anything then try powering up the set. If it doesnt shut down the green crt is shorted. about 350 for a new tube.

Mar 11, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony Trinitron picture tube


The correct box will be supplied for your set through the cable or satellite provider-No problem there, but what do you want with a 5 year old set other than placing bets on what will go out next? A pix tube is not cheap nor good insurance against future problems...accordianman

Feb 27, 2008 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Sony KP-57WS500


· Sony Picture tube recall
· 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.

Feb 11, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Trinitron


Probaly a solder connection on your chassis. look closely around the fly back, horizontal driver transformer and the verticle and horizontal yoke connections

Jan 16, 2008 | Projection Televisions

3 Answers

Sony KP -57HW40 - Green Picture Tube - part new/used


CONTACT VIDEO DISPLAY AT 1-318-747-0140 AND TALK TO CHARLIE I GOT MY BLUE ONE FIX IN 6 DAYS!!! AMAZING FOR ONLY $152.00 THATS CHEAP YOU JUST HAVE TO SEND IN YOUR OLD ONE AND THEY REPAIR IT! AWESOME COMPANY!!!

Nov 27, 2007 | Sony KP-57WS500 57" Rear Projection...

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