Went to the store this eve, and was rockin the sound system in my 1986 Pontiac Firebird. When I got back in the bird, I smelled electronic smoke. The subs weren't working. Got home, checked the 20 amp fuse for the amp. Blown! Tried putting another one in and pow!. So I unwired the amp, brought it in the lab. I took the cover off, and low and behold. Looks like I will have to order two new MOSFETS.
Here is a pic, showing the FET's removed. I used desoldering wick, to remove the solder, and used rubbing alcohol to remove the flux.
And here is a pic of the FET's removed.
The new mosfets are now installed.
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