Xtant 1001D

mike49504 · 15th April 2011, 08:29 PM

Im working on this amp to try and get theese amps i have here back to thier owners before i stop the repair business for other people.

Anyway,

I replaced all of the outputs in this amp (irfz44's) and replaced the power supply fets.

When i power up the amp a blue light come ons for a few secs then a red led lights.

I have 1.49 volts on the output terminals. Any thoughts on where to check?

Perry Babin · 15th April 2011, 08:47 PM

Were the outputs blown?

If so, did you replace the driver IC (HIP40..?)?

mike49504 · 15th April 2011, 09:18 PM

Outputs were blown and wrong outputs were in the amp. (irfz48n) I replaced them with irfz44's (orginals) I also replaced the HIP4082 IPZ Chip . But if they are anything like the HIP4080's i could have a defective one not sure

Perry Babin · 15th April 2011, 09:22 PM

I'd suggest that you pull the outputs so that you can confirm that all of the power supply voltages are present on the various ICs.

15th April 2011, 08:29 PM	#1
mike49504 diyAudio Member Join Date: Sep 2006	Xtant 1001D Im working on this amp to try and get theese amps i have here back to thier owners before i stop the repair business for other people. Anyway, I replaced all of the outputs in this amp (irfz44's) and replaced the power supply fets. When i power up the amp a blue light come ons for a few secs then a red led lights. I have 1.49 volts on the output terminals. Any thoughts on where to check?

15th April 2011, 08:47 PM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Were the outputs blown? If so, did you replace the driver IC (HIP40..?)? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

15th April 2011, 09:22 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	I'd suggest that you pull the outputs so that you can confirm that all of the power supply voltages are present on the various ICs. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

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15th April 2011, 09:18 PM	#3
mike49504 diyAudio Member Join Date: Sep 2006	Outputs were blown and wrong outputs were in the amp. (irfz48n) I replaced them with irfz44's (orginals) I also replaced the HIP4082 IPZ Chip . But if they are anything like the HIP4080's i could have a defective one not sure

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