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Classic Camera Repair » Archives-2004 » Praktica LTL2 & DTL3 exposure metering adjustment « Previous Next »

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Thomas

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Posted on Thursday, July 29, 2004 - 04:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I am working on a Praktica LTL2 with some exposure-meter problems. On the circuit-board with the exposure-meter electronics (mounted in the top-left-section of the camera-body) there are four potentiometers: One is soldered flat to the bottom of the plate (at the left edge,
when the front-side of the camera is situated opposite to the viewer) and the other three are mounted upright in a row on the righthand
side of the circuit board.
Now I need to know which potentiometer is for the high-, middle- or low-light setting (I guess those are the three in a row, but which one does what?) and especially: what is the function of the fourth potentiometer?

Does anybody know something about it?
And by the way: Does anybody have some scheme or layout of the camera- electronics, where it is possible to get some information about the function of the several components in the circuits?

If there is no information about the LTL2: I need more or less the same things for the DTL3. Here are four potentiometers, too. But all are in a row at the front-side edge of the plastic foil carrying the circuit. From left to right there is a gap between the first and the second potentiometer - so the first is something special, too. Again: which one does what? - Thats the question.

Thomas

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