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#1
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my canon eos 3000 autofocus acting funny....
hi all,
i have a canon eos 3000 which one day stopped auto focusing. i was told it is a serious problem. now the funny part.... when i hold the same camera upside down while focusing the auto focus works fantastic. i tried with 2 different lenses and its the same case. both the lenses are from canon. the battery is in excellent condition. i fail to understand why does the autofocus work only upside down? help appreciated. thanks, -sid |
#2
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my canon eos 3000 autofocus acting funny....
"Saint" wrote in message ups.com... hi all, i have a canon eos 3000 which one day stopped auto focusing. i was told it is a serious problem. now the funny part.... when i hold the same camera upside down while focusing the auto focus works fantastic. i tried with 2 different lenses and its the same case. both the lenses are from canon. the battery is in excellent condition. i fail to understand why does the autofocus work only upside down? Well, as a former electronics tech, I can tell you that it is possible for a "cold" solder joint or something like that in the wiring to cause a connection to be loose, causing an intermittent condition such that the attitude of the camera might make the difference between connect/not connect. IOW, gravity might cause the failure to go away if you hold the camera upside down. |
#3
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my canon eos 3000 autofocus acting funny....
hi thanx for that.
any idea how i can find out which connection might have a cold solder? regards, -sid William Graham wrote: "Saint" wrote in message ups.com... hi all, i have a canon eos 3000 which one day stopped auto focusing. i was told it is a serious problem. now the funny part.... when i hold the same camera upside down while focusing the auto focus works fantastic. i tried with 2 different lenses and its the same case. both the lenses are from canon. the battery is in excellent condition. i fail to understand why does the autofocus work only upside down? Well, as a former electronics tech, I can tell you that it is possible for a "cold" solder joint or something like that in the wiring to cause a connection to be loose, causing an intermittent condition such that the attitude of the camera might make the difference between connect/not connect. IOW, gravity might cause the failure to go away if you hold the camera upside down. |
#4
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my canon eos 3000 autofocus acting funny....
hey Verdoux,
i tried your way....of swtiching between the manuals and AF but it still did not work with me. any idea why? -sid Saint wrote: hi thanx for that. any idea how i can find out which connection might have a cold solder? regards, -sid William Graham wrote: "Saint" wrote in message ups.com... hi all, i have a canon eos 3000 which one day stopped auto focusing. i was told it is a serious problem. now the funny part.... when i hold the same camera upside down while focusing the auto focus works fantastic. i tried with 2 different lenses and its the same case. both the lenses are from canon. the battery is in excellent condition. i fail to understand why does the autofocus work only upside down? Well, as a former electronics tech, I can tell you that it is possible for a "cold" solder joint or something like that in the wiring to cause a connection to be loose, causing an intermittent condition such that the attitude of the camera might make the difference between connect/not connect. IOW, gravity might cause the failure to go away if you hold the camera upside down. |
#5
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my canon eos 3000 autofocus acting funny....
"Saint" wrote in message ups.com... hi thanx for that. any idea how i can find out which connection might have a cold solder? Since I am totally unfamiliar with your particular camera, no. - But, in general, you would first be able to test the operation with the electronics exposed, and then probe around all the soldered connections with an insulated probe, such as a toothpick while testing the operation of the machine. - I suspect that this would be impossible for a user to do. You need to find a repair shop that can do something like this for you. The only other alternative is to replace all the electronics piece at a time, until the bad part is replaced, and the machine works again. It may be that one of the connectors inside the camera that connects one circuit to another is loose, or only partly plugged in. - If this is the case, no parts replacement would be necessary, and all the technician would have to do is plug it back in more securely.....In any case, any experienced repair person should know all this, and be able to fix it for you.....At a price, of course. |
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