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01-17-2015, 03:41 PM   #1
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Newbie with older K-x mode selector troubles

Hi all, first off I am new to the forums. I have read several threads, and if I have simply missed the solution to my issue then please just point me in the right direction. I own an older white K-x that has been a work horse for me for years now but recently I have had a problem with my mode selector. Any mode I select puts the camera in AV mode, except movie and manual modes. I have watched videos online, and even successfully taken apart and cleaned the contacts on the wheel. but it has changed nothing. I have cleaned the lens contacts several times with no change, and I'm at wits end! I hope there is a solution to the issue, and any help would be greatly appreciated. Thank you in advance!

01-17-2015, 03:46 PM   #2
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Just to be clear - what lens(es) are you using? Have you tried more than 1 lens and still have the same issue? You know that the camera is in AV mode because it says so on the back screen?
01-17-2015, 04:20 PM   #3
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Original Poster
I'm sorry, I should have been more detailed in my troubles. I have tried two kit lenses and a prime lens. I don't have many to experiment with as I just take photos for fun, so its hard to spend much on the hobby. I only know it's in AV mode because of the screen, yes. As I rotate the mode wheel the AV mode repeats itself until I arrive at either the movie mode or manual mode. Those two places on the dial switch over to their corresponding modes successfully, but any other mode reverts back to AV. And just to clarify, the camera is in fact in AV mode, those are the only settings i'm allowed to change. Meaning if I set the dial to shutter priority, the screen still shows AV, and I have no control over shutter speed. Thank you again! I am trying to avoid the cost of sending it in for repairs because as I said, I only shoot for fun, so thank you for any help!
01-17-2015, 05:37 PM   #4
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I was asking about lenses to rule out whether your issue could be associated with either a problem with a particular lens or with trying to use an older M series lens. But this does not seem to be the case.
I take it that if you turn off the camera, set the dial to Tv mode, and turn the camera back on, that the screen will still show the camera to be in Av mode and the camera will behave as though it is in Av mode. Is that correct?
And this also holds true if you turn the camera on, set it to P mode and turn the camera back on?
Do your ISO, White balance and menu buttons all seem to work correctly, or not? Can you adjust shutter speed in M mode?
What ISO setting is your camera set on?
Have you tried removing your batteries (with the camera off) and re-inserting them? Have you tried a different set of batteries?
Sorry to have questions rather than answers at this point.

01-17-2015, 07:25 PM   #5
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You are correct on all counts. I haven't changed the batteries, but they have been taken out several times. All the buttons on the camera work normally I have also tried turning it off, changing settings, and turning it back on, but it never recognizes the mode selected. It goes directly into AV mode. I can also say that manual mode allows me to adjust shutter, ISO, white balance, aperture, etc. but on any other setting, it goes into AV mode, and only allows me to set the aperture. The other main features still work correctly while in this mode though. I can still adjust white balance and ISO. Everything about the camera works as intended, but it seems to be "stuck" in AV mode unless I select manual or movie. Only on those two settings does it register any sort of change. I appreciate the questions and am very thankful for you asking them. You are doing me a huge favor by being helpful, so thank you.
01-18-2015, 11:34 AM   #6
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I've done a little more research.
My hunch is that you were on the right track with cleaning the lens contacts. I'm not sure if you cleaned the contacts on your lenses, on the camera body, or both. Also I'm not sure about how you tried to clean them. The threads here: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/256775-c...-question.html and here: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/239946-s...-problems.html and here: https://www.pentaxforums.com/forums/58-troubleshooting-beginner-help/188228-c...-contacts.html (among others) discuss various methods of cleaning the lens contacts. My guess would be that you want to pay special attention to the contacts on the camera body, as your problem occurs with all 3 of your lenses.


If you have already tried this and are satisfied that further attempts to clean the lens contacts will not help, I would recommend changing batteries (admittedly a long-shot but one that is fairly cheap, very easy, and low risk).


I will mention the possibility of re-installing your camera's firmware, but only as a last resort before taking or sending the camera somewhere to get fixed. I hesitate to recommend this step in that it is more effort-intensive, it seems not likely to help (at least this is how it seems to me), and it does contain at least some risk (there have been some threads describing cameras going from a partially working state to a completely non-functional state as a result of failed efforts to re-install firmware - I'm not sure that your situation is likely to run into such a problem, but then I'm not an expert on this).


Perhaps someone else has a better idea. I'll continue thinking about this but I don't know at all if I will be able to come up with anything useful.


Do let us know what you find out if you find a solution, or at least can find out what the problem was.
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