Question about Mitsubishi VS-45607 45" Rear Projection Television
On CRT projectors, there is a part called a focus block with adjustments for each picture tube. A sudden loss of focus is pointing to something else, a change in the high voltage. Poor high voltage regulation will cause a loss of focus. If your loss of focus has been gradual, you can try adjusting the controls on the focus block. The focus block is usually a square or rectangular block, usually mounted on the front behind a panel or on the rear behind a panel. it will have a series of red wires coming out of it. There usually are 6 adjustments on the block, 3 for screen voltages and 3 for focus. Be sure you adjusting the right ones, they are usually labeled.
Posted on Nov 09, 2008
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Posted on Jan 02, 2017
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