Help, Kenwood KR-8010

chemicall · 24th November 2008, 12:22 PM

Hi all,

My father has a Kenwood KR-8010 he bought new in the 70's for big bucks.

one day a few years back, we were using it, all was fine then the amplifiers clicky relays clicked off never to come back. It's been out of use since then, We all can solder fine it's just tracing the problem down?

We no longer have any trusty audio repair shops left unfortunately.

any help/info on this would not only be really appreciated by me, but my father also (what can I say 1970's 125wpc rms @ 8 ohms is something to be missed)

again, thanks.

K-amps · 25th November 2008, 11:39 PM

Any blown fuses?

DigitalJunkie · 26th November 2008, 12:09 AM

I've been running into that problem in some older amps,and in ~75% of the cases,it's been faulty electrolytic caps causing the offset/bias to drift,and tripping the DC-protection.

Just one possibility.

KBK · 26th November 2008, 04:45 AM

yeppers, I get one in these days and I start pulling all electrolytics and replacing them. Starting with the smallest ones.

24th November 2008, 12:22 PM	#1
chemicall diyAudio Member Join Date: Oct 2008	Help, Kenwood KR-8010 Hi all, My father has a Kenwood KR-8010 he bought new in the 70's for big bucks. one day a few years back, we were using it, all was fine then the amplifiers clicky relays clicked off never to come back. It's been out of use since then, We all can solder fine it's just tracing the problem down? We no longer have any trusty audio repair shops left unfortunately. any help/info on this would not only be really appreciated by me, but my father also (what can I say 1970's 125wpc rms @ 8 ohms is something to be missed) again, thanks.

26th November 2008, 04:45 AM	#4
KBK diyAudio Member Join Date: Dec 2003 Location: The Wilds Of Canada	yeppers, I get one in these days and I start pulling all electrolytics and replacing them. Starting with the smallest ones. __________________ "Never forget that only dead fish swim with the stream." -- Malcolm Muggeridge. "Truth cannot be brought down, rather the individual must make the effort to ascend to it." -- Jiddu Krishnamurti

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25th November 2008, 11:39 PM	#2
K-amps diyAudio Member Join Date: Nov 2003 Location: Indiana	Any blown fuses?

26th November 2008, 12:09 AM	#3
DigitalJunkie diyAudio Member Join Date: Apr 2003 Location: Portland,Oregon Blog Entries: 4	I've been running into that problem in some older amps,and in ~75% of the cases,it's been faulty electrolytic caps causing the offset/bias to drift,and tripping the DC-protection. Just one possibility.

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