Electronics > Beginners
Rigol DM3068 repair question
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JLM:
 I am trying to repair a desktop multi meter that fails on virtually every self test. One of the voltage regulators, L7915CV, seems to be really hot and makes a smell. I removed it from the circuit and tested. The output is -17.02 V (input -25v). Is this within spec, or can the 2 volt different account for my problems? Note that the unit powered on and got the same test results even with the voltage regulator not on the board.
wraper:
No way 17V is within spec.
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