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Post by mitchkricun on Sept 12, 2015 9:13:27 GMT -6
Hi DIYers, I was hoping someone could help with my powered KRK E7 problem. It's passing audio, but it sounded like a blown tweeter so I replaced the tweeter, and it still had the problem. Pulled the power amp section and discovered the abnormality in pic 1. I'm guessing that discoloration is the problem area, but I just wanted to confirm before I de-soldered it. Pic 2 shows the part in question. It's that green thingy with the 2 white dip switches, and is a hf cut filter. Of course, it would make sense that the blown tweeter effect would come from a blown part that effects the hi end, but I just wanted to be sure before I tried to source the part. Also, any help on the actual name of the part and where I might source this part? Thanks so much, and I apologize for such a newbie question.
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Post by mitchkricun on Sept 12, 2015 14:21:33 GMT -6
Actually the part is red. I'm a little color blind. There is a cut out on the back to allow access to the dip switches, as shown in this pic
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Post by svart on Sept 12, 2015 16:32:11 GMT -6
The part is a standard 2 position SPST DIP (Dual Inline Pin) switch.
The dark area you see is likely just solder rosin. See if the stuff chips up or melts if you touch your iron to it.
It's very unlikely the switch is your problem.
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Post by mitchkricun on Sept 12, 2015 17:43:23 GMT -6
Thanks for taking the time to respond Svart. Guess it's not gonna be that easy... :-)
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Post by jeromemason on Sept 12, 2015 19:45:49 GMT -6
Is there anything coming from the tweeter, even lightly?
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