Tube turns on nothing else does

I am having a problem where i turn on my tv and the tube will fire up but i get nothing out of it. the repair guy said it was vertical breakdown, but i dont think he is quite right. because usually with my experiences with vertical breakdown, you get a white line accross the screen, but you get audio still. im getting nothing, no audio, the entire screen lights up but i dont even get the channel in the corner or blue screen or anything. for a while before this happened today it would do this same thing, but in a moment or two i would hear a click and the audio would come in and the picture would fade in as well. so i am stumped. anyone have any ideas?

laran5 May 26, 2008

T.V Turns on but no pic - audio from dvd works through t.v. but no audio.

1 Answer

Anonymous

Level 1:

An expert who has achieved level 1.

Corporal:

An expert that has over 10 points.

Mayor:

An expert whose answer got voted for 2 times.

Problem Solver:

An expert who has answered 5 questions.
Contributor
10 Answers

If the Tv turns on (power supply is ok), screen lights up (inverters are ok) but don't get a blue screen, menu options, source options, or audio, it's most likely the main board (aka Motherboard) is faulty. If a DVD player is hooked upto the TV, check whether you can get audio from that (change the source using remote), in such a case it could be a problem with LCD Interface board. My $3 is on faulty Main board.

Posted on Jul 28, 2007

Add Your Answer

Upload

Upload an image from your computer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

Loading...

Include an image. It's worth a thousand words.

prev next

Related Questions:

0helpful

1answer

The tv makes a turning on sound but does not show anything

invert er might be out; high voltage depending on if it is CCL; take to repair shop.

Read full answer

Sep 02, 2015 • Televison & Video

0helpful

1answer

Insignia 24'' flat tube, peolple orange tint

It sounds like the electronic ciruitry tha fire the Blue Gun of your CRT is not working. It could be as simple as a cold solder joint in the circuit (very common) or a malfuntioned component. I wouldn't advise repair by yourself due to the High Voltage and the risk of CRT Implosion. Any reputable PC or TV Repair Shop should be able to repair pretty cheap.

Read full answer

Nov 12, 2009 • Insignia NS-24 TV TV

0helpful

1answer

I have a Toshiba 28w8db which is starting to play up.TV screen looks very blue but what happens is there is a bang and Tv turns itself off.The green On timer indicator light flashes.Turn TV off leave 10...

For a normal tv this is certainly not worth fixing. But given that there are few televisions now with built in full Dolby 5.1 Prologic and three Scarts then it's worth looking into.

My 28W8DB failed last year when the CRT tube developed a fault; normally the repair would be uneconomic as the spare part is no longer available but there have been so many perfectly good 28" widescreen tv's scrapped in favour of plasma/LCD models that it was easy to find a replacement tube and to fit it. I got the donor tv quickly from my local FreeCycle group.

28W8DB's are relatively scarce, but 28w8 (virtual Dolby) and 28w93's are not and much of the internal circuitry is the same as well if you need to replace a board. In the end, I subsequently fitted mine with a superior tube from a Phillips model which came my way after the the first replacement as the 28w93 tube was just way too soft. (Philips and Toshiba often supplied tubes to each other and the practice is common with other major manufacturers as well).

BTW: your tv is going into protection mode. It's probably overheating due to a failed component or simply due to being choked with dust which all CRT tv's attract. To avoid a potential fire you must ensure that you get this repaired before you use it again and certainly never leave it unattended on standby.

Read full answer

Sep 16, 2009 • Televison & Video

0helpful

1answer

Hitachi projection tv was turned on and off repeatedly by child

sounds like you have lost the power supply , probably high voltage. That is what drives the tubes. Your low voltage is working because you have audio.. Proably not an in home repair. Good luck

Read full answer

Jul 09, 2009 • Hitachi 61SWX10B 61" Rear Projection...

0helpful

1answer

Tv won't stay turned on

what kind of tv. if you have a big screen then the light bulb in it might be bad. if you have a tube tv then the tube might be bad. if you have neither. get a new tv

Read full answer

Feb 10, 2009 • Mitsubishi WD-52525 52" Rear Projection...

3helpful

3answers

Night owl / night vision

Unscrew front lens front of intensifier tube should have an even bronze tinted coating on glass if it is grey and blotchy the tube is degassed. common fault with this model nightvision
wayne

Read full answer

May 30, 2008 • Night Owl Optics Aero NOAR25 Monocular

1helpful

2answers

TV wont come on

the picture tube is most likely not out. but there is a problem in the high voltage transformer part of the set( this is what fires up the picture tube). a problem like that can be just as expensive as a new picture tube. if it's not still in warranty it would be cost prohibitive to repair.

Read full answer

May 02, 2008 • Televison & Video

1helpful

1answer

Tv just shut off, now now power will not turn on at tv or remote

I have the same problem with my Panasonic Tau 32" HDTV (tube). It's well out of warranty, so I might "explore" and see if I can find a burned fuse or other component.

Read full answer

Jan 05, 2008 • Samsung TXM3096WHF 30" TV

0helpful

1answer

My Sony tv CRT

If it's between 5-10 secs, that's normal. You will turn the tv on and hear a loud (buzz/hum) that is the picture tube firing up, once it's fired up, it has a few more seconds until your picture comes up fully. That is about 5-10 secs from pushing the power button.

If it's taking longer than that, your picture tube may be going out.

I had a 36XBR250 and it took about 10 secs to fire up and show a picture, and it was 5 1/2 years old.

Read full answer

Nov 25, 2007 • Televison & Video

0helpful

3answers