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Prima TV, Audio works but I can't see anything   Goto page 1, 2  Next  
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Sixty



Joined: 22 Apr 2011
Posts: 8

PostPosted: Fri Apr 22, 2011 2:28 pm    Post subject: Prima TV, Audio works but I can't see anything Reply with quote

Hello everyone, new here. I just moved across the country to Seattle and took my TV with me. I plugged it in, and the power button glowed blue like it always does when it is plugged in and it makes the sounds of turning on but the screen is completely blank. When I changed the channels I could hear the shows, when I plugged in a game system I could hear the appropriate sounds, but the visuals are totally dead.

The set is about 6 years old, but before I trashed it, I was wondering if anyone had any ideas. Maybe something is just loose inside?

Serial number: 1356000T2778000210

Model: HT-2778P

I also see something white that looks like it leaked and dried on the back of the monitor inside the set.
Google

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JTS1957



Joined: 21 Jan 2009
Posts: 2325
Location: Far, Far Away

PostPosted: Fri Apr 22, 2011 5:13 pm    Post subject: Reply with quote

My crystal ball is broken, can you post picture(s) instead?
Sixty



Joined: 22 Apr 2011
Posts: 8

PostPosted: Fri Apr 22, 2011 5:57 pm    Post subject: Reply with quote

Sure. I'm having difficulty getting the back of it completely off, but I took a couple pictures. You might need more, tell me what you want to see and I'll give it a shot.

http://img816.imageshack.us/i/1002414o.jpg/

http://img233.imageshack.us/i/1002415n.jpg/

http://img839.imageshack.us/i/1002416r.jpg/

http://img84.imageshack.us/i/1002417l.jpg/

http://img717.imageshack.us/i/1002418b.jpg/

Edit: Here are some more.

http://img16.imageshack.us/i/1002419j.jpg/

http://img23.imageshack.us/i/1002421kq.jpg/

http://img8.imageshack.us/i/1002422k.jpg/

I do notice it is rather dusty, how much impact do you think that might have?
Sixty



Joined: 22 Apr 2011
Posts: 8

PostPosted: Fri Apr 22, 2011 7:35 pm    Post subject: Reply with quote

Got the back off after I noticed I missed a screw or two. The white stuff was just stuff holding wires in place. It doesn't look like it damaged anything.

http://img594.imageshack.us/i/1002424b.jpg/

http://img33.imageshack.us/i/1002426u.jpg/

http://img819.imageshack.us/i/1002427n.jpg/
kuhurdler



Joined: 28 Dec 2006
Posts: 2855
Location: Overland Park, KS

PostPosted: Fri Apr 22, 2011 8:08 pm    Post subject: Reply with quote

can you take picture of this white stuff, and then say "here's a picture with the white stuff"
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Sixty



Joined: 22 Apr 2011
Posts: 8

PostPosted: Fri Apr 22, 2011 8:22 pm    Post subject: Reply with quote

I realized the white stuff actually is just holding the wires together and isn't melted, before I got the back of the TV off I thought it was melted and leaked over the wires.
JTS1957



Joined: 21 Jan 2009
Posts: 2325
Location: Far, Far Away

PostPosted: Fri Apr 22, 2011 10:42 pm    Post subject: Reply with quote

Likely hot glue or RTV/silicone sealant.
Dust? You don't recall 60s & 70s receiving tube-type TVs.

Either of above - no concern.

Sixty wrote:
it makes the sounds of turning on


I presume sound of relay click(s) & high voltage static? Is the filament (in the extreme rear) of CRT neck glowing orange?
Sixty



Joined: 22 Apr 2011
Posts: 8

PostPosted: Sat Apr 23, 2011 12:46 am    Post subject: Reply with quote

Yeah, those sounds. When I changed the channel I could hear the show as well, though obviously not see it.

Yes as well to the orange glow, but very very faintly. I had to turn off the lights to make sure it was actually glowing orange. You can't see it here cause of the flash of the camera and when I turn the flash off the camera can't pick it up very well. You mean the filament inside the little glass tube right?

http://img577.imageshack.us/i/1002428.jpg/

http://img156.imageshack.us/i/1002430k.jpg/
JTS1957



Joined: 21 Jan 2009
Posts: 2325
Location: Far, Far Away

PostPosted: Sat Apr 23, 2011 1:12 am    Post subject: Reply with quote

Yep.

If you place the back of your hand (unless you have hairy palms) approximately 1/4" - 1/2" in front of the screen, you should observe the hairs move as you turn the set on.

After letting it play 30 seconds or so, turn it off and see if you observe any flash on screen. You may have to dim lights.
Sixty



Joined: 22 Apr 2011
Posts: 8

PostPosted: Sat Apr 23, 2011 1:40 am    Post subject: Reply with quote

I could feel the static (during and after it was turned on) though I didn't see the TV flash when I turned it off after having it on for a bit. I turned the lights off and I still couldn't see it though I could hear it make the normal noise it does when I turn it off.
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