Having problems with your Nokia 447Za Monitor ?

Nokia Monitor Multigraph 447Za - Speaker/Microphone Volume control not working

\015 Hi,\015\012\015\012I have a problem with my monitors volume controls for the built in speakers and the microphone volume. Neither seem to work turning the respective volume down using the soft rubber keys on the front of the monitor ?\015\012\015\012Is there soem form of OSD or reset facility as the problem is really annoying !?\015\012\015\012Please provide any useful advice \015\012\015\012Chris\015

Answers :

The electrical contact surfaces under the rubber buttons lose contact over time. I don't know if it's corrosion or some kind of build up. I fixed mine by disassembling the monitor, removing the button panel and cleaning the contacts with a pencil eraser. It works great now. The monitor is a real bear to take apart though. There are four hidden spring tabs on the sides of the bezel that are impossible to see. I groped with a very thin screwdriver blade and finally got them to release, but not without chipping some of the plastic.
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