My tv was working fine for about a year and a few months, but one day when my boy was playing the PS and tried to change back to tv mode it did nothing. I can not change input or channels the volume goes up and down but you hear nothing. What can I do?
TV-3940-01 upgrade is the kit you need. However people are waiting upwards to 6 months to receive it if at all. You have to order it from sears or haier.
This sounds like your convergence correction amplifiers have malfunctioned. These Integrated Circuits often burn out after a few years (STK392-110) they can be replaced with a higher version (STK392-150) However it is important to have the biasing circuitry checked to make sure nothing has burnt out as a result of the ICs malfunctioning. If you have a background in electronics you can repair this problem with very little effort, however if you do not have a background in electronics, I would suggest that you have your TV serviced by a qualified TV technician.
I hope this helps,
Thank you,
Shuttle83
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I got this tv as a gift. We used for for less than a year and one day the screen just went black. Got another one and the same thing happened.
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