PLANET AUDIO PA2500D

mike49504 · 28th December 2011, 11:13 PM

I got this in for repair..

All of the power supply fets were blown -FQP50N06

All of the outputs were also shorted..

Anyone know where to find theese or a good replacement They are

RFP40N10

They are being driver by the famous HIP4080 AIP

brandes.cm · 29th December 2011, 12:26 AM

Check the specs on a FQP44N10

mike49504 · 29th December 2011, 01:32 AM

cant seem to find thoose parts in stock either

brandes.cm · 29th December 2011, 03:13 AM

Avnet

Sent from my Punch 60.2

Perry Babin · 29th December 2011, 07:01 AM

As always, I'd recommend the IRF3710Z.

mike49504 · 19th January 2012, 03:19 AM

I replaced the HIP4080 in this amp but ive seen them bad right out of the box ..

Is there a way to test to see if the HIP4080 is working correctly before i stick the outputs in this amp ?

Perry Babin · 19th January 2012, 03:26 AM

It's virtually impossible to have a defective semiconductor. They're all tested as far as I know. It's more likely that you missed something (a defective component that killed the IC) or mishandled the IC.

Since the high-side gets it's voltage from the oscillation of the output transistors, it's not easy to test the IC in the circuit without the FETs.

mike49504 · 20th January 2012, 05:38 AM

I replaced the HIP4080 and replaced the orginal outputs (RF40N10) with
IRF3710Z's..

When i power the amp up it draws excessive current and blew 2 of the new outputs... I took the 2 shorted outputs out and the HIP4080 out..

Amp still draws excessive current so i took the rest of the new outputs out and stuck 4 of the 8 old outputs in the amp ...

Still draws excessive current with the outputs in circuit ..

Any ideas?

Perry Babin · 20th January 2012, 05:44 AM

I don't think this amp has any pulldown resistors. If that's true, you cannot install the outputs without the 4080 in the circuit. It will continue to blow outputs. If you applied power with the new outputs in and the 4080 out, that's why they failed or drew excessive current.

If the 4080 was in the circuit with blown outputs, it's likely that the 4080 has been damaged.

mike49504 · 20th January 2012, 06:13 AM

Ok i will order a new HIP4080 and some new outputs again and see what happens

28th December 2011, 11:13 PM	#1
mike49504 diyAudio Member Join Date: Sep 2006	PLANET AUDIO PA2500D I got this in for repair.. All of the power supply fets were blown -FQP50N06 All of the outputs were also shorted.. Anyone know where to find theese or a good replacement They are RFP40N10 They are being driver by the famous HIP4080 AIP

29th December 2011, 03:13 AM	#4
brandes.cm diyAudio Member Join Date: Sep 2009 Location: Wisconsin	Avnet Sent from my Punch 60.2 __________________ BK 1544 40Mhz scope.....Pyramid PS-26KX supply.....Tenma 72-380 Func. Generator

29th December 2011, 07:01 AM	#5
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	As always, I'd recommend the IRF3710Z. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

19th January 2012, 03:26 AM	#7
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	It's virtually impossible to have a defective semiconductor. They're all tested as far as I know. It's more likely that you missed something (a defective component that killed the IC) or mishandled the IC. Since the high-side gets it's voltage from the oscillation of the output transistors, it's not easy to test the IC in the circuit without the FETs. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

20th January 2012, 05:44 AM	#9
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	I don't think this amp has any pulldown resistors. If that's true, you cannot install the outputs without the 4080 in the circuit. It will continue to blow outputs. If you applied power with the new outputs in and the 4080 out, that's why they failed or drew excessive current. If the 4080 was in the circuit with blown outputs, it's likely that the 4080 has been damaged. __________________ 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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29th December 2011, 12:26 AM	#2
brandes.cm diyAudio Member Join Date: Sep 2009 Location: Wisconsin	Check the specs on a FQP44N10

29th December 2011, 01:32 AM	#3
mike49504 diyAudio Member Join Date: Sep 2006	cant seem to find thoose parts in stock either

19th January 2012, 03:19 AM	#6
mike49504 diyAudio Member Join Date: Sep 2006	I replaced the HIP4080 in this amp but ive seen them bad right out of the box .. Is there a way to test to see if the HIP4080 is working correctly before i stick the outputs in this amp ?

20th January 2012, 05:38 AM	#8
mike49504 diyAudio Member Join Date: Sep 2006	I replaced the HIP4080 and replaced the orginal outputs (RF40N10) with IRF3710Z's.. When i power the amp up it draws excessive current and blew 2 of the new outputs... I took the 2 shorted outputs out and the HIP4080 out.. Amp still draws excessive current so i took the rest of the new outputs out and stuck 4 of the 8 old outputs in the amp ... Still draws excessive current with the outputs in circuit .. Any ideas?

20th January 2012, 06:13 AM	#10
mike49504 diyAudio Member Join Date: Sep 2006	Ok i will order a new HIP4080 and some new outputs again and see what happens

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