Question about Performance Teknique ICBM-771 Car Audio Amplifier
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Posted on Jan 02, 2017
See what happens if you apply a temporary ground connection to the RCA input jacks ground connection while it is running. You might want to turn the volume down before you do this just in case it works.
Posted on Jun 25, 2007
SOURCE: Pt- red light on
mine done that the other day and i took the fuse out of the side of the amp for about a minute put it back in and came on dont know why it worked but it did hope that helps you l
Posted on Aug 25, 2007
SOURCE: sub amp not working anymore
sounds like a typical case of poor conections causing the amp to fail... take the cover off of the amp. Inspect where the terminal blocks meet the circuit board. SOmetimes you can repair it sometimes its just too far fried..
Posted on Sep 18, 2007
SOURCE: Performance Teknique wont work!!
If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following. I'll assume that you've checked the amplifier's on-board fuses.
With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.
If the voltage remains near or above 12v, disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp almost certainly has shorted output transistors and will need to be repaired.
If you want to try to repair it yourself, read through the following page:
Basic Amplifier Repair Primer
Let me know if you have any other questions.
Posted on Jul 02, 2008
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