amp question

bassboy140 · 24th September 2008, 09:45 AM

i have a planet audio vx2200 a 2250d amp and it was playing fine today and i turned down the volume and then turned it back up and it was no sound the amp still comes on and its not going in to protect mode can some one tell me what to look for inside the amp to see if the outputs or input is blown and if so what to do to repair it

jol50 · 24th September 2008, 03:08 PM

If class d they can be harder to fix, are you sure you checked everything else or swapped another amp to be sure its the amp and not wiring/remote/sub/etc.?

Perry Babin · 24th September 2008, 06:25 PM

If this amp was produced before they began using the black fixative around the inductors, one of the two filter inductors (near the fan) may have broken loose from the board.

Have you pulled the cover yet to see if anything appears to have burned?

bassboy140 · 26th September 2008, 01:30 AM

yes i have opened it up and there are no signs off anything burnt i even hook it up on brand new subs in another car and still does the same thing comes on but no sound i really think its the in puts more then the outputs

Perry Babin · 26th September 2008, 01:59 AM

Is there black fixative around the base of the inductors near the fan?

24th September 2008, 09:45 AM	#1
bassboy140 diyAudio Member Join Date: Sep 2008	amp question i have a planet audio vx2200 a 2250d amp and it was playing fine today and i turned down the volume and then turned it back up and it was no sound the amp still comes on and its not going in to protect mode can some one tell me what to look for inside the amp to see if the outputs or input is blown and if so what to do to repair it

24th September 2008, 06:25 PM	#3
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If this amp was produced before they began using the black fixative around the inductors, one of the two filter inductors (near the fan) may have broken loose from the board. Have you pulled the cover yet to see if anything appears to have burned? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

26th September 2008, 01:59 AM	#5
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Is there black fixative around the base of the inductors near the fan? __________________ 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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24th September 2008, 03:08 PM	#2
jol50 diyAudio Member Join Date: Nov 2007	If class d they can be harder to fix, are you sure you checked everything else or swapped another amp to be sure its the amp and not wiring/remote/sub/etc.?

26th September 2008, 01:30 AM	#4
bassboy140 diyAudio Member Join Date: Sep 2008	yes i have opened it up and there are no signs off anything burnt i even hook it up on brand new subs in another car and still does the same thing comes on but no sound i really think its the in puts more then the outputs

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