PSW 350 zener diode and resistor

jdt70
jdt70 Posts: 3
edited March 2007 in Electronics
I need the specifications for the diode located at Z1 and the resistor located at R4 on the power circuit board of a PSW 350 subwoofer. If anyone knows how to get this info please let me know. Also, if you own a PSW 350 and could take a good digital photo of the circuit board that would also help. Thanks for any assistance,
John D. Thompson
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