Question about Toshiba Televison & Video
Then when the tv warms up the picture seems to be fine. Do I need to replace bulbs , or color wheels?
You did not provide a model so I am not sure of the type of set u have. Wheather it be CRT, LCD, DLP or LED. My 1st guess regarding "color float" is possably the convergence board/section of your set. And the warming up issue could be the result of cold solder connections and/or faulty caps on 1 or more circuit boards. Search your model number through the internet for clues.
Posted on Dec 08, 2012
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Posted on Jan 02, 2017
SOURCE: 57h82 toshiba projection tv
Hyper board bad = No longer available part # 23148024 PTS
rebuild only...send core in........57H82..............................T.
Part # is specific to model !....
Posted on Apr 25, 2008
The pictures show the result of a bad terminal input board. You can verify this by checking the inputs. Connect devices to the board and try different inputs. You will most likely find this problem on the tuner and component input were your DVI and composite video will be ok. If it is the same on all inputs replace the A board
Posted on Jul 09, 2009
SOURCE: black and white
The bulb is not the problem.Unplug,replug the tv about an hour.Reset the colors setting back to factory setting.The tv work,should be back to normal.Not than ur Signal tuner board have problems must replaced.
Posted on Jan 23, 2010
This is a model first sold 2002.
They have a history of the Hyper board failing. Usually noise or lines in the picture and the warmup time gradually gets longer and longer.
This board processes all signal from all inputs inside the set and is no longer available from Toshiba.
The only way to get one is from a national company called PTS Electronics who rebuilds or repairs them--cost for rebuilt board is about 220 plus shipping and part number for this model is:
I have a service bulletin with photos of the board on my computer.
It is a financial decision, not a job for the average do it yourself person to attempt.
Let me know if you have questions or need help.
Posted on May 03, 2010
SOURCE: Picture image is unsettled when
LINES or noise from left to right etc. This is a classic problem in a lot of these sets--that this clears up after a while is also typical---the period will gradually get longer and longer for it to become normal.
This set uses a Hyper board for all signal from all inputs---about two dozen tiny surface mounted filter capacitors on that board---they dry out and lose value---flat caps will when hot attempt to regain some of the value they should have.
Board is no longer available from Toshiba, only way to fix is remove one in set and send out for repair to someone like PTS Electronics.
I have seen experts try to replace the tiny caps--usually several are off value or open---cheaper to send board out. Last one I saw cost was about 200 for rebuild, keep in mind same problem will happen again in 5-8 years.
Let me know if you have questions and if this told you something you did not know, rate this solution as very helpful as I do this here for free.
Posted on Aug 21, 2010
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