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Television - Tech, General, and Q&A
DTV | HDTV Reception and Antenna Discussion
Channel Master 9521A Rotor. It's better now.
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<p>[QUOTE="tripelo, post: 98719, member: 4073"]Thanks Denny,</p><p></p><p>Not familiar with recent CM rotators.</p><p></p><p>Have opened a few of the very old USA made ones (9512). The outside units that failed usually had a burned spot on the motor windings. Surmised that lightning caused the open winding. The inside controller sometimes had a problem in that it would keep turning until reaching the stop. Been so long that I forgot what the fix was for that one.</p><p></p><p>The outside unit of the 9521A looks similar to the old 9512, is it similar?</p><p></p><p>Are the motors interchangeable?[/QUOTE]</p><p></p>
[QUOTE="tripelo, post: 98719, member: 4073"]Thanks Denny, Not familiar with recent CM rotators. Have opened a few of the very old USA made ones (9512). The outside units that failed usually had a burned spot on the motor windings. Surmised that lightning caused the open winding. The inside controller sometimes had a problem in that it would keep turning until reaching the stop. Been so long that I forgot what the fix was for that one. The outside unit of the 9521A looks similar to the old 9512, is it similar? Are the motors interchangeable?[/QUOTE]
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Channel Master 9521A Rotor. It's better now.
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