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Tv sound works but there is no picture

When the television is switched on the picture stays for a few seconds then disappears. Each time you change channels the same thing happens.
All the time the sound stays on and is clear.

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Adjust the video IF,it is rectangular metal with a small gray crew inside .it is beside the jungle IC,they had 3 pcs. there adjust it one by one and observed the effect while adjusting.
NOTE: don't use precetion screw ,use plastic or wood stick.

Posted on Oct 14, 2008

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Toshiba televison picture keeps going yellow


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