Search found 4 matches

by dprenerov
Fri Dec 30, 2016 3:00 pm
Forum: Troubleshooting/problems/manuals/schematics
Topic: CAV50 questions
Replies: 6
Views: 1494

Re: CAV50 questions

The troubleshooting is closed, the amplifier is fixed. The strange noise came from the relays, which switch between different sources due to high level of ripple (about 1.3V AC) on their power supply. Jeff from CJ support suggest to replace the 4 rectifier diodes, which are originally GI854 (3 amps ...
by dprenerov
Wed Dec 28, 2016 4:11 pm
Forum: Troubleshooting/problems/manuals/schematics
Topic: CAV50 questions
Replies: 6
Views: 1494

Re: CAV50 questions

Thank you everybody for your replies! Today I picked up the amplifier and first opened it just to check for visible signs of something wrong before powering it up. It seemed OK, so I powered the amp and... surprise - the noise is not produced by loudspeakers, but by the amplifier itself! It sounds l...
by dprenerov
Mon Dec 26, 2016 12:27 pm
Forum: Troubleshooting/problems/manuals/schematics
Topic: CAV50 questions
Replies: 6
Views: 1494

Re: CAV50 questions

Thank you for your reply. You are right that I need more info. However I don't have the answers to your questions as I decided first to do some research on the internet before taking the amplifier at my place for test and repair. May be the description of the static is not correct also. I like your ...
by dprenerov
Sat Dec 24, 2016 6:52 pm
Forum: Troubleshooting/problems/manuals/schematics
Topic: CAV50 questions
Replies: 6
Views: 1494

CAV50 questions

Hello, I am new to the forum. I am from Bulgaria. Honestly to say, I have never heard about Conrad Johnson before, until two days ago, when a friend of mine showed me his CAV50 and told me he has problem with it and asked me to help. The problem is as he described it as something like pop or dischar...