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Hi Neil
I can imagine your frustration as I have had similar weird problems with
two of my imaging cameras which I was eventually able to fix.
One problem with imaging cameras is plug/socket arrangements are used
that a probably intended for semi permanent static connections. In the case of imaging cameras, the camera is on the scope and moves about which causes flexing of the input leads to the sockets. After a lot of use this movement can result in the plug/socket interface becoming "sloppy".
On one occasion with my QHY8 camera, I was given the tip to trim some of the plastic off the S-video type DC control input so that the plug could be shoved just 1mm further into the socket. This cured the problem.
On another camera which uses a common USB type B socket had similar intermittent problems. Again I found that the plug/socket interface had apparently become sloppy. I made a permanent fix to this by shimming
inside the socket to provide a firmer fit and then I araldited the plug (around the outside) into the socket.
Both cameras are now working fine (fingers crossed)!
It is often the case that simple things like plugs/sockets/cables/power supplies etc can give problems when the extremely complex internal device
electronics continue fault free.
Hope the above helps - anyway worth a try.
Cheers Peter
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