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4th December 2004, 05:38 PM
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#1 |
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diyAudio Member
Join Date: Mar 2004
Location: Wichita,KS
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Help identifing RCA transformer
Could anyone help me find out what this power transformer is and the connections? It is an RCA power transformer. The numbers are:
906158-501 (as far as I can tell) 27465005 4 Thank you for any help you can give. |
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5th December 2004, 10:32 PM
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#2 |
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diyAudio Member
Join Date: Jun 2002
Location: Macedon NY
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If you don't have a meter, GET ONE. Measure the windings with an ohmmeter. Highest resistance will be highest voltage. Primary is usually in the 10-20 Ohm range, but a large transformer will be less. Once you've identified the primary, connect 120V through a 100 Watt bulb (connect a cord with wire nuts) If the light bulb glows brightly, you have a shorted winding or you guerssed wrong on the primary. CAREFULLY measure secondary voltages - disconnect power, clip your meter on a pair, then plug it in.
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