Volume not working and high pitch squeal on bitx40

firepasthelp24@...
 

Hello,  I am having problems with my bitx40, whenever I listen in there is a very high pitch squeal,  and you can't hear actual radio,  and if you touch the potentiometer, other sounds can be heard.  I have tried to resolve the connection,  but I still have the problem. 

Any help would be appreciated.

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