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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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amp new PSU capacitors
My approx 9 year old AV amp started buzzing / humming sounds like
100Hz, slowly got louder until drowning out the music ! PSU caps I should think. They are labeled "kenwood for audio". I've got the bigs caps out, they are 10000uF 80V. Lots around for about 20quid each, or some ebay ones which I try to avoid if possible. Does this look OK ? http://connect-audio.co.uk/proddetai...000U80&cat=219 Does the life seem a bit short (I know this is at the max temp) ? Also saw this but the lead spacing and layout is wrong: http://parts.digikey.co.uk/1/1/91787...t1ka103fa.html I did not realise the life was so limited though. I've left the amp on 24 hours a day on standby for years ! Also a couple of smaller 3300uF 50V jobs, I guess for a 5V or similar supply for the ICs, DSP chips etc. Probably worth changing those as well. OR .. Is this really worth my time and up to 50 quid fixing ??? A new replacement would cost 350 quid but would support blue ray audio, HDMI etc. Simon. |
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