Marcel Kilgus wrote: >>>> Seems to be a faulty PTC. >>>> >>> I also have an old blurry Microvitec and have made some improvement by >>> adjusting the focus control. >>> Careful, it's near the power/high voltage block. >>> But what is a PTC? >> Possibly: >> >> http://en.wikipedia.org/wiki/Resettable_fuse > > Erm, no. It's > http://en.wikipedia.org/wiki/Positive_temperature_coefficient
Ah, the article doesn't explain it as clearly as I would have thought, it's basically a resistor that changes its value with the temperature. A more appropriate article would probably be http://en.wikipedia.org/wiki/Thermistor Marcel _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm