Question about Toshiba 43H70 43" Rear Projection Television
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Posted on Jan 02, 2017
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: Hi I have 10 years old
This is a parasite signal in the video final board of the green CRT. Open the tv and inspect the connections to the green tube for bad solderings on the ground wires. Then the filtering capacitors on the video final transistors. Finally check the horizontal deflection/high tension module for bad or aged components.
Posted on Sep 25, 2010
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