Your question is about a DAB radio - it would have helped for you to say.
The problem you have is a buzzing noise - that too would have helped a bit
This Question talks about your problem...
http://howtomendit.com/answers.php?id=236881
It suggests using capacitors with a higher voltage specification and says that the existing capacitors may well show signs of bulging.
Amazon will sell you 10 of these...
10x Electrolytic Capacitor rad. 2200µF 25V 105°C ; RD1E228M12025BB100 ; 2200uF
for £5.90 plus postage - but you would do better to go to a hobby electronics store like Maplins and buy two.
Electrolytic Capacitor 2200uF Micro Farads
25V (or better)
When you look at the Amzon page then you'll know what they look like.
You will need to be handy with a soldering iron - and also take care to put them in the right way round - one leg is longer than the other - the positive connection
Good Luck..., March 2017
