Alpine MRP-M1000

argonrepublic · 11th August 2009, 02:26 AM

Amp powers up. No sound, no draw. Light comes on. I don't think there is any power at the ouput Transistors.

Perry Babin · 11th August 2009, 04:38 AM

Use your multimeter to determine if there is any voltage on any terminal of the output transistors?

If not, what is the DC voltage on the legs of the power supply FETs?

argonrepublic · 11th August 2009, 02:28 PM

I think there is 14 v on the center legs of all of the power supply FETs.

11th August 2009, 04:38 AM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Use your multimeter to determine if there is any voltage on any terminal of the output transistors? If not, what is the DC voltage on the legs of the power supply FETs? __________________ 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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11th August 2009, 02:28 PM	#3
argonrepublic diyAudio Member Join Date: Apr 2005 Location: Simcoe Ont	I think there is 14 v on the center legs of all of the power supply FETs.