Question about Kenwood KAC-8104D Car Audio Amplifier
I have blown a 6 black things around the edge of the amp a KAC-8104D if anyone has the service manual or what those black things are with the heat paste under them let me knoe
Those black things are likely the MOSFET transistors (the bits that provide the amplification). They likely look similar to these.
Your problem may be deeper than just these units being blown - especially since there are 6 that are gone. Have you been overdriving the amp? Using speakers with the wrong impedence?
Anyway, you can try www.user-manuals.com to see if they have the service manual. You could also try to source new mosfets from online retailers (eg digikey, www.sayal.com) - just read the numbers printed on them. You may also want to try to determine why they blew in the first place. I have fixed amps where one or two have gone bad because of being overdriven, but 6 makes me think that something else is wrong. Unless the am has a number of MOSFETs serving each channel. Eg, 3 MOSFETS per channel on a 2 channel amp..
Posted on Apr 22, 2009
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Posted on Jan 02, 2017
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