I have TV from normal manufacturers, you all know them. One manufacturer had a case about 10 years ago, with a motherboard, they changed it at home. At the second one a year ago, the matrix was covered - they also came home, carried out diagnostics and the next day they brought and changed the matrix. This is all on a call to 8800. Haier- no. There is no repair, no TV. Just a lot of wasted time and nerves.
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