Question about Polk Audio I-Sonic System

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How to disassemble polk I-sonic

A customer of mine wants me to try and fix what seems like a power supply problem. I've gotten the DVD drive out and removed all the other screws. I don't want to cause any cosmetic damage, what's the secret to getting to the power supply?

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6ya6ya
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Posted on Jan 02, 2017

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joshter32
  • 82 Answers

SOURCE: if the power light on this 1200.1 polk amp turns

i had an amp that did the same thing your amp should not be doing that i dont know how old it is but mine had internal overload switch in it which kicked on if the amp was getting to hot and in my case i would say it was because of i had the amp bridged to a set of of some 100rms 4ohm speakers very nice speakers but by bridging the amp i was over loading the ohm load to the speakers and that was cause of my amp light staying the color that its was it was an old alpine amp with duo B circuitry but i hope you get your situation with this amp straited out check your contecions and if its bridege make sure the amp itself is not over heating cause that can be a problem you dont want mess with that.

Posted on Oct 30, 2009

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TheMobilian
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SOURCE: how do you remove the bottom 2 screws on the power

LG dryer

Posted on Mar 12, 2011

TechAll
  • 99 Answers

SOURCE: I have an HP Pavilion

if it requires 9volts then it should be good. no problem with your windows vista. its just that your speaker wont power on. maybe you got to have the wrong polarity. try to recorrect the polarity. i mean put the negative to possitive and positive to negative. if the wire has a color put the black to red and red to black.

Posted on Jul 11, 2011

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if it requires 9volts then it should be good. no problem with your windows vista. its just that your speaker wont power on. maybe you got to have the wrong polarity. try to recorrect the polarity. i mean put the negative to possitive and positive to negative. if the wire has a color put the black to red and red to black.

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Service manual for polk i-sonic


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i had an amp that did the same thing your amp should not be doing that i dont know how old it is but mine had internal overload switch in it which kicked on if the amp was getting to hot and in my case i would say it was because of i had the amp bridged to a set of of some 100rms 4ohm speakers very nice speakers but by bridging the amp i was over loading the ohm load to the speakers and that was cause of my amp light staying the color that its was it was an old alpine amp with duo B circuitry but i hope you get your situation with this amp straited out check your contecions and if its bridege make sure the amp itself is not over heating cause that can be a problem you dont want mess with that.

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read on a forum that changing out c316 1000uF will fix the problem, mine will not turn on now, seems to have gotten worse over time. I will change the capacitor from 1000uF 10v to 1000uF 16v.  Look at your capacitor, mine looks like its ready to blow.  Most other capacitors on the board are rated at 16 volts.  I will be changing out the cap. to see if it works.

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