cr2020
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CR-2020 bias adjustment issue after replacing some transistors
I got a CR-2020 recently that had some issues on the right channel, and I slipped while probing it and created even more issues. After all the dust settled, I'm left with a right channel that I can't get the bias voltage below 20mV. There is also more THD on the right channel than the left. I... -
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CR2020 transformer issue?
I am working on an auction object (CR2020) that I got cheapish. It sold as a defect. After troubleshooting for some evenings I now start to suspect that the transformer is broken. When powering on (using a light bulb protection) the relay never go out of protection mode. After about 10 seconds... -
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Cad new Yamaha CR-2020 capacitor board
Hi, My first post here. I have bought a vintage amp (cr-2020) at an auction. I am familiar with electronics but mostly digital electronics. But I have also made five or so recappings of other vintage amps so I do have experience. In the Yamaha it turns out that the e-cap pcb is in very bad... -
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Yamaha CR2020
TL;DR CR2020 putting out no soumd through the roght side. Hey guys I wanted to see some opinions about what I should do about a problem. About a week ago I bought a cr2020 and it worked great up until a day or 2 ago. I was listening to a couple records and I heard a about 2 or 3 "pops", which I...- Jacob Carter
- Thread
- cr2020 help help me please no sound receiver yamaha
- Replies: 23
- Forum: Yamaha
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New Member
Hello! I was referred here by someone on another forum, and was told to ask for "Merrylander". I am in need of a referral for someone to work on my vintage Yamaha CR2020 receiver. It plays fine for a period of time, then just shuts off, usually accompanied by an audible pop. I have found all of...- Hatterasman
- Thread
- cr2020 help merrylander yamaha
- Replies: 15
- Forum: Introductions