diy repair newb from florida, need help with a boston hps 10se

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mrmrscheese

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Joined 2014
#1
Hey, my name is Zach. I have a Boston hps 10se subwoofer with built-in amp that has stopped working. It is able to turn on, however no power goes to the speaker. I tested the speaker with a different amp and the speaker works. I did a good ol' smell test and noticed a slight odder around the caps caps in the first pic. The cap being pointed to in the pic is getting very hot as well. I also noticed that when I put the switch into auto mode the amp doesn't go into standby even when nothing is connected to the inputs.

update: After letting the system sit powered for a bit, both of the caps in the first picture are getting hot.
As soon as I finish unpacking and finding my tools I am going to further disassemble the amp and take some more pictures for you guys.
Although, if anyone has any ideas for what could be wrong and or if its just those caps that are bad, please let me know before I have to start ripping off that nasty glue that most of the boards are smothered in.
Also some background info on the unit, my neighbor was bringing it outside to throw out and I took it off their hands, it recently stopped working and they just decided to get a new one rather than have it repaired.
 

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#2
Hi Zack,
Caps shot.
Whoever made it stood them off the PCB to aid cooling.
Everything you might want to know about capacitors can be found here: www.badcaps.net/forum/‎

If there is enough space you may be able to replace them with their 50 volt equivalents. Because they are in bigger cans they dissipate heat better. They will cost a lot more though.

To be honest it doesn't look like a quality unit but it's nice to fix things.

Good luck.

Graham
 
#3
I figured it was the caps, just wanted to get a second opinion before I start ripping it apart. Also, the caps were originally laying flat on the pcb, I stood them up in the process of trying to expose the caps rating and the discoloration is mainly from the glue that held them down. Thanks for the help.
 
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