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Why am I getting double colored lines on either side of my rear projection tv?


The coolant for the face of the tubes may need to be changed if your model allows that. It's harder to get service parts and supplies for 3 tube projectors. The tubes themselves have a service life of about 3000 hours of operation. If the tubes are available for your TV, they won't be cheap and it takes a technician to properly replace those tubes. You may want to upgrade to a flat screen TV simply because it will be much cheaper than repairing your projection TV

May 12, 2017 | Televison & Video

1 Answer

How to remove a TV tube from its cabinet?


Unplug the TV and let it sit for 30 minutes. Remove the back of the TV. You will have to remove the power supply and several boards first before you can get to the tube itself. Once you get to the tube it should be 6 screws around the tube that you have to remove to pull the tube out.

Sep 22, 2014 | Sylvania Televison & Video

1 Answer

MY TV PICTURE HAS GONE A LITTLE DARKER AND ADJUSTING BRIGHT, CONTRAST, COLOR,ETC. DOES NOT HELP


How long u have this RCA analoge tv?Around 10 years or more and used it like about 5 or 6 hrs everydays?Yes,than ur tv it is losing CRT tube radiation cohetion.As times go bye years in years out the tv CRT-(tv tube) radiation will slowly dying out,Tv actual pictures will lost some of it luster and it brightnesses to the tv auctual pictures.Brightnesses of CRT tube will get darker and darker until the tv actual pictures barely it is watchable anymore.Contrast,Brightness and Colors adjusting more will help some.But u have to take this tv aparts and take a Flat scerw driver turn up a little bit more of the tv HV-(high voltage) SCREEN button on the FBT-(flyback transformer) to make any big differences of the CRT tube brightnesses.The FBT-(flyback tranformer) is the big block of plastic with a red wire with a black cap hook up to the tv CRT-(tv tube).This adjustment on of the FBT,HV-SCREEN button will help the tv CRT-(tv tube) last another year or two.

Aug 16, 2011 | RCA TruFlat 27F520T 27" TV

1 Answer

Picture colors keep fading


U have tools like a soldering iron and roll of solders?Fixed it by resoldering the tv video board pins connecttions sockets pins between tv video board and the CRT-(tv tube). Tv video board that the board where it is connected to the CRT-(tv tube).The video board sockets hole pins that connected to the CRT-(tv tube).Those video board sockets pins are coldsoldering resolders this video board socket pins to the CRT-(tv tube).Will fixed thiss video colors fading problems.

Jun 27, 2011 | Symphonic ST419E TV

1 Answer

I have a Toshiba 36"


Resolders the FBT-(flyback tranformer).Resolders the video board connections sockets holes,that the board connected to the CRT-(tv tube).Plug in the tv,to have power to the tv,take out the tv video board,for exposer of the CRT-(tv tube).Take an electrical wire with a good insalation in it,grounded to the tv steel frame some where.Take the other end of the wire go toward the open high voltage CRT-(tv tube).U will hear a pop sound,than ur tv CRT-(tv tube) is a 100% clean out of contaminations or u will hear a deeing sounds only,mean the tv CRT-(tv tube) it is to old to pop anymore,just let tv deeing sounds going on for like about 20 mins to rejuvenated the old CRT-(tv tube).After this repluging the tv video board for a tv signal and readjust the button on the FBT-(flyback tranformer) that said focus to fix the CRT-(tv tube) focus problems.

May 01, 2011 | Toshiba 36A40 36" TV

1 Answer

I have no picture on my JVC AV-27730 tv. Where is the picture tube and can i replace it myself?


Hello
Picture tubes are available at electronic spare part shops. You have to give them the number and type of the picture tube, to which your JVC TV has. Picture tube, along with its Yoke fittings are integrated, and you can replace it by yoursef at home. Be very carfull in handling the picture tube, as they are highly vacumed, and will explde by hard hits. There will be four seating screws on the four corners of the picture tube, and these slots will clearly alaign if the picture tube selected is orginal number. Diamentions of these holes will be different to spherical and flat picture tubes. So you must first aware of the type of picture tube, which the TV has fitted earlier. OK.

Mar 06, 2011 | JVC AV-27730 27" TV

2 Answers

My 21" Plano TV , replace the Picture Tube becous


It sounds to me like it has the wrong scan coils fitted to the replacement tube and there is no fix for that. You will need to fit the correct tube or have the old tube re built.

Dec 28, 2010 | Samsung Televison & Video

1 Answer

Picture went completely fuzzy. What could the problem be?


The tv CRT( picture tube) have a radiaton posion infected in ur tv picture tube.This is how u discharge the CRT(picture tube) get the posion out.Take the tv back cover off.Take video board that connected to the CRT(picture tube) out.Plug it in,so u have a live current to the CRT(picture tube).Find a wire like an AV cable,should be find.One side of the metal,grounded to the metal frame somewhere.Take a long needle plier grab the other side of the AV cable wire,not the metal,(Caution high voltage live current).Come very close to the open CRT(picture tube).U will have a live current arc,than u,will hear a big "POP".U,just discharge the CRT(picture tube).The tv now the CRT(picture tube),now it good,it clear of posion infected in ur tv picture tube.Now,unplug ur tv.Put ur tv,back together.Hook up ur tv signal cable and plug in ur tv,now ur tv picture,will be clear,completely.I do this many times to dicharge fuzzy CRT(picture tube).When i was a tv Tech.for the SONY TV Corporation.

Oct 12, 2010 | Sanyo HT32546 TV

1 Answer

How do you adjust focus on proscan tv


[1] change CRT base socket with New.
[2] set Focus preeset to seting focus adjest but she is Dengerus becous inside tv very high voltage in on coundition so Seting with nr. thech.
[3] your tv set is sum 5 to 10 year old if posibul your tv tube is week.but "don' t vary" "recharge tube cathod " and posibbal tube is ok .
if not
then
Replace tube with New.
" do not repar or replace spare in tv it your self .

Oct 31, 2009 | Proscan PS35130 TV

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