Power Acoustik 5500/1

radwilsons5803 · 4th May 2011, 07:10 AM

I picked this amp up locally for cheap in the hopes i could fix it. Ive powered it up, light comes on, but no sound. Im getting 13.8 volts at the B+ and remote terminals. Not sure if this matters or if its normal for the amp but when it powers up and sutss off theres a clicking sound. Looking inside it appears to have no damage, whats the first place to look or test? Thanks

Perry Babin · 4th May 2011, 02:08 PM

The BAMF 5500/1D has relays which click. Is that the model you have?

radwilsons5803 · 4th May 2011, 07:09 PM

Yeah, forgot the D on the end, i apologize. So what do i check first and thanks again

Perry Babin · 4th May 2011, 09:54 PM

Do you have a scope?

radwilsons5803 · 03:23 AM

Negative. I saw one the other day at a pawn shop, its a BK Precision for $60. Not sure i wanna buy one from a pawn shop though. Are scopes the best way to check them? Thanks

I actually found the same one on ebay,

B&K Precision 30MHZ Dual Trace Oscilloscope | eBay

Perry Babin · 5th May 2011, 03:49 AM

Most pawn shops offer a 30 day warranty.

A scope makes it easier to check a lot of things.

Do the relays look melted? They often melt on the area shown in the attached image when the contacts fail.

radwilsons5803 · 7th May 2011, 04:02 AM

Ill throw an offer at them this weekend and see what comes of it. The two relays look good in this amp. Anything else i should look at? Thanks

Perry Babin · 7th May 2011, 04:59 AM

If you're going to try to get that scope, let's wait until you get it to do anything else.

Have you made sure that all of the small boards are fully seated on their connectors?

radwilsons5803 · 7th May 2011, 05:02 AM

I have not, ill do that right now! If not ill get back to you when ive gotten the scope, thank you

radwilsons5803 · 8th May 2011, 07:03 AM

They are fully seated and still no output. Hopefullly getting the scope tomorrow or monday, thanks

4th May 2011, 07:10 AM	#1
radwilsons5803 diyAudio Member Join Date: Apr 2011 Location: Minneapolis, MN	Power Acoustik 5500/1 I picked this amp up locally for cheap in the hopes i could fix it. Ive powered it up, light comes on, but no sound. Im getting 13.8 volts at the B+ and remote terminals. Not sure if this matters or if its normal for the amp but when it powers up and sutss off theres a clicking sound. Looking inside it appears to have no damage, whats the first place to look or test? Thanks

4th May 2011, 02:08 PM	#2
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	The BAMF 5500/1D has relays which click. Is that the model you have? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

4th May 2011, 09:54 PM	#4
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Do you have a scope? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

5th May 2011, 02:56 AM	#5
radwilsons5803 diyAudio Member Join Date: Apr 2011 Location: Minneapolis, MN	Negative. I saw one the other day at a pawn shop, its a BK Precision for $60. Not sure i wanna buy one from a pawn shop though. Are scopes the best way to check them? Thanks I actually found the same one on ebay, B&K Precision 30MHZ Dual Trace Oscilloscope \| eBay Last edited by radwilsons5803; 5th May 2011 at 03:23 AM.

7th May 2011, 04:59 AM	#8
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	If you're going to try to get that scope, let's wait until you get it to do anything else. Have you made sure that all of the small boards are fully seated on their connectors? __________________ 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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4th May 2011, 07:09 PM	#3
radwilsons5803 diyAudio Member Join Date: Apr 2011 Location: Minneapolis, MN	Yeah, forgot the D on the end, i apologize. So what do i check first and thanks again

7th May 2011, 04:02 AM	#7
radwilsons5803 diyAudio Member Join Date: Apr 2011 Location: Minneapolis, MN	Ill throw an offer at them this weekend and see what comes of it. The two relays look good in this amp. Anything else i should look at? Thanks

7th May 2011, 05:02 AM	#9
radwilsons5803 diyAudio Member Join Date: Apr 2011 Location: Minneapolis, MN	I have not, ill do that right now! If not ill get back to you when ive gotten the scope, thank you

8th May 2011, 07:03 AM	#10
radwilsons5803 diyAudio Member Join Date: Apr 2011 Location: Minneapolis, MN	They are fully seated and still no output. Hopefullly getting the scope tomorrow or monday, thanks

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