Perhaps use vodka? If you polish off the whole bottle you won't remember whether you cleaned the contacts or not, though
Thanks for this suggestion. I had not thought of using contact cleaner. I have a can of cleaner made by an Australian company rf Chemical Technology.LOL
Seriously though.
Tac Switches can cause problems of note. I am seeing it more and more now on TV's. You can be watching the set and suddenly it decides to start auto searching....looks like the Micro has lost it's marbles
Normally you will find one Tac switch only that is causing the problem....you cannno't test it with a meter though. You need to have the set on and then disable them one for one until the nonsense stops. Then you have nailed it....Don't replace it unless it is physically broken though.
99% of the time (if not physically broken) all it needs is some cleaning. I use a Switch Cleaner from Spanjaard called lubricating switch cleaner on this page:**broken link removed**
It does not melt or damage plastic. It cleans, flushes and lubricates. It is very mild so requires more work than the others that eat.
Be patient and work the switch after spraying into it. Multiple times.
Regards,
tvtech
Thanks for the reply.Before repairing a circuit board one must diagnose the problem and identify the failing parts. In most cases a component-level repair is required, that is, one or more components must be replaced with new ones to make the circuit work again. Most circuits are composed of passive and active components. Passive components are the ones that do not require a power source to work, for example, resistors and capacitors. A failing passive component can be identified easily but a bad chip is much harder to diagnose.
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For the "soap" don't use dishwashing detergent it is acidic. The best thing is car wash detergent, it has neutral PH and you just need a drop.
For that reason I think the failing part is not the on/off button. Otherwise you should get in trouble in making it turn on and off.The problem is in making it turn on
For that reason I think the failing part is not the on/off button. Otherwise you should get in trouble in making it turn on and off.
There are conductive eleastomer repair kits. Suggary drinks spilled on things like keyboards require a bit of work to fix. For a KB, I washed it, rinsed it, blew it off as good as I could and hung it on the clothes line to dry.
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