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Old 24th December 2011, 10:27 PM   #11
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You don't need to insulate the bare copper.

Did you check the fiberglass to see if it has become conductive?
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Old 25th December 2011, 12:52 AM   #12
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Just putting the terminals near each other on the board does not show any conductivity, but I am showing a short when measuring from one terminal pad to the other in both spots where the capacitors were.
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Old 25th December 2011, 01:04 AM   #13
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Do you also read 0 ohms between the positive and negative speaker terminals?
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Old 25th December 2011, 01:13 AM   #14
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yes i do
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Old 25th December 2011, 01:20 AM   #15
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Clamp the meter probes in the block and twist the inductor. Does the resistance change when you twist the inductor?

You mentioned that you found some strands of wire in the amp. It's possible that one has found its way under the speaker terminal block. If you have a compressor or canned air, see if you can force anything from under the block. Don't try to remove the block yet.
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Old 25th December 2011, 01:48 AM   #16
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no change, I cleaned one small piece of copper from under the block, but that is all I see. I blew it out with compressed air and still reads the same 4.7 ohms on both terminals.
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Old 25th December 2011, 02:29 AM   #17
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0 ohms and 4.7 ohms are significantly different.

Are you sure that it is 4.7 ohms and not 4.7k ohms?
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Old 25th December 2011, 02:43 AM   #18
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It says 4.7 on ohms but it reads short and beeps on diode/continuity check.
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Old 25th December 2011, 02:51 AM   #19
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I double checked to be sure it is 4.7 ohms. How can the meter show short if there is resistance?
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Old 25th December 2011, 03:59 AM   #20
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How do you define 'short'?
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