Electronics > Repair

KRK rokit 5 speaker Part Identification

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gamerpaddy:
unusual package for a diode, they are usually encased in plastic not ceramic
ES might stand for ESD
i would have guessed a ferrite bead, but as its between signal and ground i think its more like a ESD protection
might be a varistor  https://www.meritekusa.com/product-category/esd-protection/esd-varistor/
desolder a working one, apply a voltage with a very low current limit and see when it starts clamping at.

Maxwell55:
Unfortunately I don't have a power supply to be able to do such a test with one of those components. I'll have to find the part number

David_AVD:
How did you send such a significant voltage into the audio input to start with?

gamerpaddy:
this might be it
the "ESDA" marking in the schematic got me this:

https://www.tti.com/content/dam/ttiinc/manufacturers/eaton/doc/Eaton-Polymer-ESD-Suppressors-SurgX-Technology-ESDA-datasheet-specifications.pdf

Maxwell55:
HI, thanks for the info, I managed to get close for a shot in many angles, I am able to see some markings on one of them but unable to determine exactly what it says.
I'll see if I can try to get a better shot, I'll include it, maybe you can detremine what it says?

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