Question about Kenwood Audio Players & Recorders

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I have a Kenwood KR-6170 Receiver/Amplifier. (I bought it new in Far East in 1972, and is one of my prized possessions.) In recent years, I get a fair amount of intermittent hissing, popping, and cracking noise when it's on and in use. Also, there's a tendancy for audio output on either side to suddenly drop off and then come back on again inexplicably. Moreover, I can either induce or cure these symptoms by playing or fidgeting with the small spring-loaded push buttons (on the front panel) that are the controls for power, speaker selection, audio muting, and a few other functions. I had suspected that perhaps built-up dust was affecting their contact points and inducing these symptoms. I've removed the cover and tried using a vacuum cleaner hose as well as a compressed can of "air" to try cleaning and resolve these symptoms, but with limited results. Any suggestions on what I can do or might try?

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  • FREDDIE MONTOYA Feb 09, 2012

    Hello,

    I have just become the new proud owner of the Legendary KR-6170. Came across it on eBay one day and was lucky enough to get it at, what I think is a good price ($250). After plugging the unit in and pressing the power button the unit failed to give any signs of life. I was a little disheartened...especially because the seller did a great job of hypeing up the condition of the unit. Ah yeah, you should read the description. You'll want see it and try it out too. Maybe you can understand a little where I'm coming from.

    Putting that aside, I wanted to ask for advice. Where should I start with this unit? Cosmetically, aesthetically the unit is in very good shape. Oh, she is a keeper. I would like to get her up and runing, tuned up and sparkling! I want to she her off to my friends!!

    Pheww, was getting a little excited. I'll be looking under the hood soon.I will be taking everything slow because I am a newbee with a beatiful KR-6170. Any advice would be taken with much appreciation.


    Thank you for your time and consideration,


    fm

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I bought a kenwood kr 6170 (jumbo jet) but I've been messing with the volume nob up and down and the loud noise has been slowly fadeing if I take it apart and clean it will it stop

Posted on Apr 19, 2013

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Unfortenately the copy of the servicemanual I have is moreover electronic. For cleaning out the pots you must reach them. Every pcb is mounted with two screws and you have to loose some pcb's in order to get to the volume pot. I have one myself, rescued from the waste bin. At this moment I use him again. But I'' am missing some mecahnical parts (the left and right alu of the front panel. Can you send me a picture of these parts.

Posted on Dec 25, 2009

You will need to dig in deeper, and take off the knobs etc. and clean all the pots, and switches etc. with an electronics liquid spray cleaner. Flush completely out, and wait for it all to dry out before testing. Never use a vaccum as it creates static electricity, and is very bad for electronics. Use compressed air in a can etc. This should help a great deal! Nice receiver by the way. I have the smaller model.

Posted on Aug 26, 2008

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