Question about Car Amplifiers
Power Acoustik PS2-1200
I've had a full audio system in my car for the past three years, including 1 two channel Power Acoustik amp that has recently stopped working. The power led is always green but I never have sound coming from my two 12's.
For about two weeks it would constantly stop thumping every now and then, I'm guessing when a braked or acelerated, every time there were G's. Well, it stopped working at a gas station, I turned around and hit the amp from fustration, and it worked! Only problem is that five minutes later it stopped working again and never again thumped!
I've swapped the RCA from my high's amp to the PS2-1200 and nothing.
My two amps both have common ground and power coming from a capacitor. I've also opened the amp, but haven't seen anything obiously wrong with it..
I am assuming the amp is not under warranty, if it is, rma it... if not, you have nothing to lose from trying this.
hitting it and having it work usually means something is loose or broken, remove the case and extract the circuit board.. clean all parts thoroughly using a good electronic or contact cleaner, i use crc qd electronic cleaner as it is cheap and available at most auto supply stores, just make sure whatever cleaner you use is not industrial duty and is plastic safe.
after the entire thing is cleaned (coils, caps, anything resembling dust), check with a magnifying glass for any broken solder joints, you can also very lightly touch components and see if they move.. this sounds like either broken solder joints, extremely dirty contacts, corrosion, or dry caps.. you can usually locate dry caps by looking for corrosion around the cap and discoloration on the top of the cap.
hope this helps, and hope you get it running; the ps2 amps are pretty nice when it comes to accurate sound reproduction.
Posted on Nov 16, 2007
I had the same with a power acoustik 2000 watt... power is coming on the green light and no sound. i took it to an electronics store to be repaired...... the guy told me this amp is a piece of **** throw it away.. and so i did... the problem was solved.. i now have a rockford fosgate 800 and it rocks 2 pioneer 12".
Posted on Oct 19, 2008
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