How to Fix Your Stereo Amplifier (Harman Kardon HK 620)

 by ewilhelm

Step 2: Vacuum out all the dust

IMG_0115.JPG
I've had this amp since at least 1996 and it's never been opened, so that's plenty of time to accumulate some serious dust.

Vacuum out all the innards. Wire it back up and be amazed that all the channels now work.
 
Remove these adsRemove these ads by Signing Up
blahblah01 says: Nov 18, 2009. 4:02 PM
i dont mean to sound, well, mean, but i dont really find this of much help, because what if dust isnt the problem for other people?
Pro

Get More Out of Instructables

Already have an Account?

close

PDF Downloads
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.

Upgrade to Pro today!