Question about Power Acoustik PS4-800 Car Audio Amplifier
The amp is switching from power to protect rapidly... about 1-2 seconds inbetween.. i have pulled the motherboard and inspected it but everything seems to be ok... when hooked up you can here a "tick" sound everytime it switches to protect... and for the brief seconds that it is in power mode you can here music from the speakers... pls helP!!!!!
Check it without the speakers if they go to protection,and if not check the speakers
Posted on May 27, 2010
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Posted on Jan 02, 2017
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I wouldn't try repeated rapid power cycles if I were you.
Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
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