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Thread Tools |
20th November 2009, 02:01 AM
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#11 |
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diyAudio Member
Join Date: Sep 2008
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After a thorough inspection, I realized one emitter resistor had broken it's solder joint. There were three bad output transistors on that same side. What happens when the emitter resistor becomes disconnected?
Re-soldered resistor, replaced the outputs plus the vented cap and all is well again. |
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20th November 2009, 02:34 AM
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#12 |
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diyAudio Member
Join Date: Mar 2007
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When the eimitter resistor loses it's connection, it essentially removes that particular transistor from the amplifier. If the amp has 3 positive and 3 negative outputs, and one emitter resistor fails or is disconnected, now you have 3 and 2. It wil put more of a load on the 2 that are still in the circuit.
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