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#1
02-21-2025, 08:51 PM
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What does this magnavox selector switch control go to?
What does this magnavox selector switch control go to?
I assume that a motor on the end. As it set only turns manually one direction It's also a push switch There is an resistor assembly that goes all around it. It's the black band. 
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#2
02-21-2025, 09:20 PM
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It appears to be a band switch style stepper relay. It's not from a tube era Concert Grand (I recently worked on one) but it could be from a solid state era concert grand (both were remote consoles). If it isn't from that, then a TV or TV combo with remote would be most plausible. No reason for a stepper if there isn't a remote.
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4
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#4
02-24-2025, 10:06 AM
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On the disk on back of relay/ motor
Has 7039 so if that's date code 1970 Attached pictures can't make out info I tried 12 vdc to coil which is across the 150 ohm 2 watt Resistor just clicks no movement of switch I'm being on the safe side Maybe it's an ac coil Thanks Doug
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#5
02-25-2025, 12:49 AM
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Didn't the Astro Sonic from this time period have a 3-step volume control on the lower end model? My T940 uses a motor for this but I do remember seeing something in the schematic
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#6
03-03-2025, 05:21 AM
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this turns 12 times one direction. I assume the motor/ stepper/solenoid stops it going backwards in no power applied mode. otherwise it has no stop. Till I know the proper power to this i wont know more.
Thanks have a great week Doug
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Linear Mode
