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Grundig tv M72 - 100/8a

This tv has worked very well for five or six years and now has developed an intermittent problem.

When left on for some time (over an hour) it starts to flicker. This becomes more frequent until it is impossible to watch. The repairers at first thought it was a loose connection and did some soldering but it remains a problem and they have given up with it. They say it is not worth the man hours trying to locate what is probably just a loose connection.

The flickering is about 3 or 4 inches from the top of the screen and the tv actually turns itself off and then on again after a second or two.

Any advice would be helpful. Should I just get a new tv - shame because its a great picture.

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