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Posted by Matt (93SE) on September 13, 2002 at 12:15:48:
In Reply to: Electronics Question...rebuilt circuit boards==> posted by delerium75 on September 13, 2002 at 09:54:58:
: I'm in the process of trying to figure out what parts fried up on my motor control circuit board for the ever so lovely single din bose tape player. Right now, I have two of the stamp-sized boards. One is from a stereo that had been rebuilt and the other is from my orginal stereo. The one that had been rebuilt has a couple marker dots on it and I was wondering if it is common for repair shops to mark what parts they've replaced...if so, that makes my life a little easier. One capacitor, resistor and transistor have dots on or beside them. Any clues? Thanks.
Watch out on the transistor though.. sometimes, the other resistors and stuff used are "custom" for that transistor, as every transistor is a little bit different and one may not decide to work, even though you replace it with the exact same thing. Usually mass production parts like that don't have those problems as the circuit will compensate for the small differences, but that's not ALWAYS the case.