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Alexandre Bermand
Rating: N/A
Votes: 0 (Vote!) | | Posted on Thursday, March 09, 2006 - 03:20 am: | 
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Hello,
I have found a second hand 645 100S for nearly peanuts. However, I found a peculiar problem related to battery.
When I put a new standard battery, the shutter works well and accurately (btw thanks for the shutter speed tester recipe !).
Yet, after a few hours, I found the battery nearly exhausted. I thought that it was because the speed dial was put in a bad position. But it wasn't and the battery exhausts whatever the speed dial position is.
Of course, the camera works well when the battery is new, but I don't want to change batteries twice a day.
Has anybody encountered this issue ?
Or maybe have you hints on the way to tackle this ?
One more thing: I have a PD finder plugged in. Maybe it is the suspect, and it sucks all the power out ? |
Ed
Rating: N/A
Votes: 0 (Vote!) | | Posted on Thursday, March 09, 2006 - 04:43 pm: |
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disable the finder and see if it still dddrains the battery. |
Alexandre Bermand
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, March 10, 2006 - 03:54 am: |
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Thanks,
Actually, that's just what I did yesterday night :-)
I measured the intensity produced by the battery in the different cases: with or withoutfinder and with different positions of the speed dial.
I first measured a permanent leak of about 5mA with finder and 2.4mA without.
... Until when I put the dial in the 'B' dial, when the multimeter display soared !
I removed the battery, checked it and placed it again.
It then showed 0.0mA in every case.
I kept the battery in all night long and it didn't exhaust.
I wonder if I did something wrong when putting the battery the 1st time (such as having the mirror stuck in the "up" position) and a capacitor was charged accidentally
I will try to make real photos with it this weekend and see how if it occurs again. |
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