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Hifonics amp wont turn on11/10/2023 ![]() ![]() Avoid bending the power transistors leads once you remove the screws holding the circuit board from the heat sink. I suggest taking good (clear) pictures of everything before you pull it apart. This amp has huge potential, by design, but crippled by implementation. Replacing the twisted output wires with OFC similar temp rated wire or even untwisting the OEM wire can't hurt either. for automatic turn-on Preamp RCA outputs to daisy chain multiple amps. I would recommend replacing all the screws you remove because they will disintegrate on contact. Brutus Series Monoblock Class D Car Amplifier RMS Power Rating: 4 ohms: 550 watts. Note replacing the caps requires removing the amp circuit boards.which means disconnecting the heat sinks.lots of little bits, and heat sink paste. The best choice would be splitting the required value over several small caps connected in parallel. Replacing these caps should put you back in service.Ĭap coupled amps sound bouncy.Pulses are accelerated and then fall off.So the choice of replacement cap will effect the tonal quality of the amp. ![]() The lower the impedance of your load (speakers) the faster this will happen. This subwoofer amp delivers power efficiently and. Therefore if you drive high currents of low frequencies the large caps will is a very graceful failure. Complete your cars sound system setup with the Hifonics Brutus Gamma Mono Super D Class Amplifier. The two large caps form a center tap for the power supply which is connected to the speaker terminal. And it worked!! There was probably a loose connection or an oxidized lead. Plugged everything back in where is was supposed to be, and turned the power back on. Everything checked out ok, so I turned power off. Use a multimeter to check the voltages coming out of those two power cables, they should be somewhere around 70Vrms.ġ0. Use extreme caution, there is live 120V leads in areas that you can touch with your hand! I recommend using only 1 hand while anywhere near a large voltage, incase of any shock, the current wont go through your heart.ĩ. All our reviews have come from real guests who have stayed at the property. Now the scary part: unplug the power cables (yellow and orange) going from the huge inductor/transformer to each of the amplifier boards, and then plug power into the amp and turn it on. The Zillow app gives you resources and tools you wont find anywhere else. my hifonic amp has power because - Hifonics Zeus Z4400 Car Audio Amplifier. Checked to see if any of the electrolytic capacitors had "popped tops" (if they had blown)Ĩ. Green light wont turn on, but the amp has some power because it is lite up blue. Used a multimeter to check every easily accessible diodeħ. Removed and checked continuity of the power connector through that fuseĦ. Removed and checked the two fuses on each of the amplifier circuit boardsĥ. Just because your amplifier will do 1,000 watts RMS doesnt mean its the right amp to power two subwoofers that have a power handling of 500 watts each. Removed and checked the front ON switch for power continuity (with power turned unplugged, just use a multimeter on continuity check.Ĥ. Plug it in to make sure it doesnt just turn on, it didn't so unplug itģ. Pray that God would be glorified through anything I doĢ. Try to connect it over from the 12V to check if it powers on. The most common reason why your amp wont turn on, although everything is connected, involves the remote turn-on wire. You could bring it by my church either this coming new years or this saturday night. My Hifonics zeus zrx1500 1D has protector light on and wont turn on after i inserted the remote This means that the remote wire is 0V instead of 12V. And he said ill get whats called a crossfire in the supply. Is there a way we could meet up and I could take a look at the amp for you. Ok I talked to one of the designers on this amp and he said the 47 ohm gate resistors wont work it will turn the amp on the supply to fast and wont shut down fast enough or something like that. *I assume that you have at least 5 wires connected to your amp.I happen to live in your area. As you think about it use a DMM and make sure that you are getting voltage at all appropriate locations and then let us know if it still isn't on. Give us a layout of what is connected to what and how. Without some more details it isn't going to be so easy to help you. If you aren't sure of what you are doing in the first place you should do some reading and asking and not messing. Messing with gains is not an appropriate installation technique. There is a ground wire and it is very important, to top it off the stock one sucks and shouldn't be used. i messed with the gains and still.the led saying whether or not it has power didnt light up at all. "maybe there is a ground wire in the back of the h/u isnt grounded" Phrases like " and when i pulled out the fuse in it and it shot some sparks." Your description of what you have done so far is scaring me. ![]()
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