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Originally Posted by 97 Boxster
Will I damage the DLM by adding heat to the part where the solder needs to be repaired? How careful should I be? Any risks in taking the DLM apart?
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Reflowing solder is normal soldering operation. Simple if you know how to solder.
Taking the unit apart is relatively easy . I did not take detail photo to show you.
I recall that a plastic plate had to be remove first then removal of one halh of the case. Once there, the pwb solder joint can be examined. If it looks like the photo I placed in previous response to this thread, then the problem is there.
Reassembly is little bit tricky in that there are couple of alignments of cam/plunger or the mechanical "action" will not work.
We've two threads going here... Your three DLM's, were they new? If so, cold solder joint does not seem likely.