Bob Spelten wrote, on 9/Oct/10 10:28 | Oct9:
Op Thu, 07 Oct 2010 19:12:21 +0300 schreef Ralf Reköndt
<ralf.rekoe...@t-online.de>:
Rich Mellor wrote:
Has anyone ever come across a blurry picture from the QL on a
Microvetic Cub monitor?
I know it is not the QL at fault as I have tried it with another
monitor
- does anyone else have any suggestions?
There do not appear to be any controls on the monitor other than
brightness
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
Tony
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