Helpful ReplyShade Tree Repair Guide: Crackling/Static in KRK Rokit 6 Speakers

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Antilles03
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Re: Shade Tree Repair Guide: Crackling/Static in KRK Rokit 6 Speakers 2017/11/10 17:29:24 (permalink)
Thanks for this thread! 
Since 2012 I own a pair of KRK Rokit 5 RPG2. I used them the first 3 1/2 years almost 24/7 and then on a daily basis, without big issues .... i guess after the first 2 years the first little hissing, humming and crackling appeared sometimes on monitor A ... it became more  frequently, longer, more intense until 2016 (Monitor B started after 4 years with minimal noises ) . It was most of the time gone when they reached temperature after 30 minutes. 
But since 2017 monitor A is always loud popping, crackling and humming ..(it is still operating fine between the frequently   events of buzzing,  - approximately every 20 seconds - in the second half of the video I turned the music off, then the membrane starts to freak out (youtu.be/GG_apVaXErk).... I have no abilities to fix it myself, so I hope I will find some repair-shop, which is able to do the recommended fixes, of this fantastic thread. I guess it was a big mistake to use them all the time after the first time the cracklings appeared and i am sure much more components on the board failured meanwhile...
#91
neilbags
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Re: Shade Tree Repair Guide: Crackling/Static in KRK Rokit 6 Speakers 2017/11/12 22:05:42 (permalink)
wawwawwaw
Can someone tell me what kind of resistor do i need to replace it?

10-20k
#92
neilbags
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Re: Shade Tree Repair Guide: Crackling/Static in KRK Rokit 6 Speakers 2017/11/12 22:13:13 (permalink)
Actually from the other photo on page 1 its 30k. I replaced both it, and the one adjacent with 22k and its working. Part of the standby circuit I believe. I don't think the exact value is critical but I havnt traced it out to see whether its a voltage divider or a current limiter, maybe it is a divider but since the standby pin can work over a wide voltage range it didn't matter.
 
I'd be replacing both those resistors and both diodes. I'd remove all the components from that area of the board and get rid of the goop completely otherwise you will have problems again in the future. Good luck
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