Dear DHL and everyone else on this forum,
Thank you for this great topic!
A few months ago I purchased a second hand 840A V2 from a private owner. The amp sounds great. Since two weeks the same volume problems appeared on mine. Right channel volume increases or suddenly drops when adjusting the volume at higher levels. I only use the remote control to adjust the volume. But it also happens when I adjust the volume knob manual I discovered.
Do you think in that in my case only the relais ladder causes the problem? So this has probably nothing to do with a bad volume knob encoder?
If so, I was thinking of purchasing the Fujistu SY-9W-K relais, take out the circuit board my self, and bring these all together to a professional print circuit repair company due to the de-soldering issues.
Is the relais board in the 840A V2 also easy to remove? Is it one board or two? I did not open the amp yet, but I saw pictures on the web with only one board with 2x 7 relais. Is the otherone monted below?
I also tried to find the right sockets for the Fujitsu relais, but I did not find one. Do you have a link or part number of the right sockets?
Thanks in advance and greetings from Belgium,
Peter
Thank you for this great topic!
A few months ago I purchased a second hand 840A V2 from a private owner. The amp sounds great. Since two weeks the same volume problems appeared on mine. Right channel volume increases or suddenly drops when adjusting the volume at higher levels. I only use the remote control to adjust the volume. But it also happens when I adjust the volume knob manual I discovered.
Do you think in that in my case only the relais ladder causes the problem? So this has probably nothing to do with a bad volume knob encoder?
If so, I was thinking of purchasing the Fujistu SY-9W-K relais, take out the circuit board my self, and bring these all together to a professional print circuit repair company due to the de-soldering issues.
Is the relais board in the 840A V2 also easy to remove? Is it one board or two? I did not open the amp yet, but I saw pictures on the web with only one board with 2x 7 relais. Is the otherone monted below?
I also tried to find the right sockets for the Fujitsu relais, but I did not find one. Do you have a link or part number of the right sockets?
Thanks in advance and greetings from Belgium,
Peter