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  1. #1
    bobwysiwyg's Avatar
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    Canonet QL17 Question

    Not long ago I was given a QL17. It appears to be in very good shape.. mostly. Lens is clean, shutter speeds nearly spot on with the exception of 1/500. I'm in the process of replacing the light seals. Removing the old gunk was, let's just say tedious.

    My real question is in regards to the battery contacts. I noticed I can't get a batt. check reading. Examining the battery chamber I notice the negative contact looks to be some sort of brass spherical nub. I tried cleaning it up, but it seems so recessed, I'm wondering if it is even contacting the battery surface. Is this contact spring loaded or anything and is just stuck in a recessed position?
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  2. #2
    bobwysiwyg's Avatar
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    OK, I guess I will chat with myself.

    Lacking any documentation for the QL17 I'm guessing it is just the check light that is not working. The meter appears to be, but I guess running a roll of film through it would be the best test. However, I seem to recall another model wherein the battery check involved pressing the check button and looking at the needle in viewfinder. If the needle moved to a 'blue area' in the mid-section of the exposure scale it was OK. Now the QL17 I have does this, that is the needle moves to the middle of the exposure scale (though there is no blue area), but the external check light does not illuminate. So I guess now my question is, is the check still valid going by the meter scale even though this model has different means of checking?
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  3. #3
    Iwagoshi's Avatar
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    Patience bob.
    I just checked, my nub is not spring loaded and it protrudes enough to make contact with negative anode. When I push the red "check" button the blue light goes on. Double check and put a volt-meter on the battery. I hope this helps.

  4. #4
    bobwysiwyg's Avatar
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    Didn't mean to come across as impatient, just the results of my continued fiddling. The batt. checks out at 1.2v. I have a couple of new replacements on the way. Not sure if that voltage is too low to light the check light, but the meter does function so I'm assuming it is making contact after all.
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  5. #5
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    Quote Originally Posted by bobwysiwyg View Post
    Didn't mean to come across as impatient, just the results of my continued fiddling. The batt. checks out at 1.2v. I have a couple of new replacements on the way. Not sure if that voltage is too low to light the check light, but the meter does function so I'm assuming it is making contact after all.
    ******
    The battery is definitely low voltage. Bet that is the problem.
    John, Mount Vernon, Virginia USA

  6. #6
    bobwysiwyg's Avatar
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    Thanks, I will recheck with the new batts and see what's what then.
    WYSIWYG - At least that's my goal.

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  7. #7

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    I have a couple of QL17s that work fine except for the battery check. It's been my understanding that the battery check light often will fail in spite of all else working correctly.

  8. #8
    bobwysiwyg's Avatar
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    Quote Originally Posted by mgb74 View Post
    I have a couple of QL17s that work fine except for the battery check. It's been my understanding that the battery check light often will fail in spite of all else working correctly.
    Perhaps this one fits in this category as well. I can live with it.
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  9. #9
    AgX
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    But how can that indicator light fail? To my experience with such small bulbs they are very sturdy, and only fail after long lighting. Something which should not happen with such an indicator lamp.

  10. #10
    bobwysiwyg's Avatar
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    Perhaps it's a circuit issue rather than the bulb itself.
    WYSIWYG - At least that's my goal.

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