The amp speaker lead grounded on the car body and the amp went into protection mode.all mosfet input and out put are good. a similar am was used the bxi2060d power supply was used to provide power to the bxi2006 was used and it worked perfectly.what i did was to interchange the protection boards and the result revealed the protection board as the problem .my problem is all the parts on the board is SMT so i would like to get a schematic diag or can some one tell me where to find/purchase on of these boards.
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Re: hifonics bxi2006d stays in protection
I am Maxxsonics distrubutor, they will not release the diagrams to anyone but they may sell you a new board. i have had 1 out of over 500 of the 2006 / 2008d amps do the same thing and they replaced the amp completely because they have so few extra repair parts for them (cuz they rarely fail)
here is their direct number just ask for Kellie and she will tell you what they can do for you.
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The diagnostic light, for this particular model, means that there is either a short circuit on the loudspeaker leads or there is an internal amplifier fault that is causing a DC offset. In order to determine which, disconnect all RCA and speaker leads while keeping the +12 volt, power ground and remote leads connected. Now turn the amplifier back on, and if the diagnostic LED lights up, the amp has an internal fault. If not, plug the RCA cables back in and reset the amp. If it goes into diagnostic now, the problem is with the input (either bad cables or a faulty head unit). If the amp is fine with the RCA cables plugged in, repeat the process with the speaker cables (one at a time). When you plug in the faulty speaker wire it will put the amp into diagnostic mode.
Unless the amp itself is defective, there's a short or ground somewhere.
First disconnect the speaker wires and RCA (or high level) inputs, leaving just ground, remote turn-on and power leads connected. Then see if the amp powers up normally. If it doesn't check the ground with a multimeter and make sure it is good. If the amp powers up normally, check the speaker, speaker wires and inputs for shorts or grounds.
Sounds like its going into protect mode-try disconnecting the speakers from the amp entirely and turn the system on if it stays lit up- then ya know its the speakers (one of them at least) thats making your amp shut itself down. If thats the case look into replacing the speaker thats causing the problem.Also make sure that you have sufficient wiring to your amp - at least 8 gauge if you can. check all terminals /power/ground make sure everythings connected tight and not grounding out anywhere