Have a 5 yr old 50 inch Toshiba projection TV. When turned on, the picture is "scrambled" for 30 minutes and then starts clearing up

o.k. check all your connections
if you have a newer house check to see if you have a main hub in a closet somewhere and check all connections. Check your hd receiver and you may be able to chage the DPI the receiver receives in.

I have this problem on some of my non HD channels, also. So much for going digital. I get fuzz and pixel problems "from time to time", but, if it is really bad and consistent your should call your service provider.

Things to ask also ? are you using cable or satellite.

If satellite T.V. there are other reasons you could be experiencing problems.

hope this helps!

If you have a normal picture with lines through it, or if the picture jumps, tears or rolls, you have a Hyper Board that is failing. The last I checked, the Hyper Board is not available from Toshiba and has not been available for a number of years.
I hope this helps,
Skyassoc

Projection TV sets have two very common problems listed below.

Problem #1) Convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Ur convergence it dead,Know how to solders?Buy a convergence kit to repair.These websites have the kit.Tv repair World.com,Tv Repair Kits.

If you are seeing lines and or noise for the first several minutes and it goes away--I think I know what the problem is.

Has the period of time before it clears up been getting longer and longer?

Reply to me with the exact model number and I will tell you what is wrong and what has to be done to fix it.

A lot of these sets have problems with what is called a HYPER board----it controls all signal inside the set--confirm Toshiba and exact model number---

I am here to help people and I do this here for free.


REGARDS, SD TECH

I have the same problem here as well, except that it has been happening so long that now it doesn't get completely clear. The picture was great at one time :-(

This can be a fault in the tuner, IF, or primary part of the video processing. With age and use some of the parts, and especialy capacitors, in these sets can become thermo sensitive and unstable.

To service these types of faults can be very time consuming. On top of this would be the cost of the parts.

Considering the age and type of set that you have, I would suggest that it is time to be looking for a new set.


Jerry G.

Hyper board bad = No longer available part # 23148024 PTS
rebuild only...send core in........57H82..............................T.

Part # is specific to model !....

on the signal board replace the caps by the 5/9 volt regulators. c2p04 is the main culprit. 6 caps in total can be changed. I believe c2p05 also.

That is the exact problem I am currently having with my toshiba 50 in. I did some reading and it sounds like there is a temperature drift across one of the capacitors on the board and it takes longer and longer to warm up. Havent fixed it yet...