Polk Audio psw300 schematic? - diyAudio
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Old 10th November 2016, 05:09 PM   #1
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Join Date: Aug 2016
Default Polk Audio psw300 schematic?


I'm servicing this sub in which the amplifier has failed (and cooked the woofer, or the other way around...)
Beside the shorted dual output/power transistor I found also a 1w(?) resistor that is burned and reads open.
Its color stripes are completely darkened so I can't identify the value. It is labeled R16 on the PCB.

I can't find any reference schematics for this amp on line so would be most thankful if any one could help me identify this R16.

Thanks in advance,
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Old 10th November 2016, 05:16 PM   #2
llwhtt is offline llwhtt  United States
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Join Date: Jun 2008
Location: SoCal
Did you try asking Polk?

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Old 10th November 2016, 06:13 PM   #3
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Join Date: Aug 2016
I'll try the folks at Polk's..

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