Kicker 600.1

mike49504 · 23rd March 2009, 07:20 PM

Im working on a kicker 600.1. The amp powers up and idle's fine.
But the is no output from the amp just a high pich squeal. Wondering whatshould i check first Any help would greatly be appericated

Perry Babin · 23rd March 2009, 09:07 PM

If you twist the output filter inductor, does the noise change?

Do you have a 80-100k triangle waveform on pin 4 of the defaced IC that's NOT near the blue crystal?

mike49504 · 25th March 2009, 03:58 PM

unless i did it wrong i dont have a nice triangle wave form on pin 4 wondering where i go from here

Perry Babin · 25th March 2009, 04:10 PM

If I'm not mistaken, kicker always uses pin 4 for the triangle waveform input. Confirm that it's not on pin3 either (in case this amp is different). This IC is an LM361.

If it's not on 3 either, confirm that you have a square wave signal on most of the pins of the defaced IC (mc14060) near the blue crystal. This IC should have 12v on pin 16 and pin 8 should be at ground (secondary ground).

Also confirm that you have ±12v on pins 1 and 7 of the LM361.

23rd March 2009, 07:20 PM	#1
mike49504 diyAudio Member Join Date: Sep 2006	Kicker 600.1 Im working on a kicker 600.1. The amp powers up and idle's fine. But the is no output from the amp just a high pich squeal. Wondering whatshould i check first Any help would greatly be appericated

23rd March 2009, 09:07 PM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If you twist the output filter inductor, does the noise change? Do you have a 80-100k triangle waveform on pin 4 of the defaced IC that's NOT near the blue crystal? __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links

25th March 2009, 04:10 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If I'm not mistaken, kicker always uses pin 4 for the triangle waveform input. Confirm that it's not on pin3 either (in case this amp is different). This IC is an LM361. If it's not on 3 either, confirm that you have a square wave signal on most of the pins of the defaced IC (mc14060) near the blue crystal. This IC should have 12v on pin 16 and pin 8 should be at ground (secondary ground). Also confirm that you have ±12v on pins 1 and 7 of the LM361. __________________ Links >> Basic Car Audio Amp Repair * Basic Car Audio Electronics * New Site * Basic Switching Power Supply Design * Basic Computer Skills << Links

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25th March 2009, 03:58 PM	#3
mike49504 diyAudio Member Join Date: Sep 2006	unless i did it wrong i dont have a nice triangle wave form on pin 4 wondering where i go from here

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