Static or something else?

[admin_exported]

Bit of a strange one this....

I have a Cambridge Audio set-up (amp, DAB, CD) with a matching iPod dock on top. I don't use it daily so it's left alone for periods of time, however when I do switch on the iPod there's a very evident electrical 'buzz' that whilst isn't sufficient to give an actual shock, there's definitely a tiny tingle.

This obviously isn't right and I wonder if anyone has any ideas as to the cause? I've checked every connection, both audio and electrical but everything appears ok.

Thanks.

PS. Mods - I did post this in the 'Problems' section but it seems to be little used hence the duplicate post here.....

 

[shooter]

Have you checked the chassis screws of each unit?

 

[Anonymous]

No but I will.

How would a loose one give such a result?

 

[shooter]

Its just the way the chassis would for the most part be part of the ground/earth. It is possible that a screw being even partly loose could have an effect, i've experianced this myself with a very mild charge on the chassis and was cured this way, worth trying as a process of elimination.

 

[Al ears]

Curious! Is the 'tingle' coming from the iPod or are you in contact with any other part of your system at the time? Along with what Shooter suggests I would try isolating each box in turn by disconnecting any interconnects and then see if you get the same effect. Also try grounding yourself first, by touching water pipe / radiator or the like, as the source may be you and not the equipment.
Do you then still get that tingling sensation?