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Old 09-02-2015, 08:34 PM
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tvcollector tvcollector is offline
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I have that photofact folder but it shows models 16" and up.. Doesn't say anything about the 12T2 model.. Looking at the parts list, L23 is the Horiz Freq coil which points to a coil that should be next to the Horiz Drive control on the underside and the coil next to it is an A.F.C. coil, but obviously it's showing a different chassis.. Or unless the Horiz drive control is the Horiz Freq control, and that's all the way up, nor does it change the pattern of the screen when adjusting or make the ringing noise of the HV... Also on the top of the chassis next to the HV cage are the two flathead adjustments and the square can which is sound, one according to the sams one is Horiz Lin and other is Sound IF...


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Last edited by tvcollector; 09-02-2015 at 09:02 PM.
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Old 09-02-2015, 09:40 PM
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jr_tech jr_tech is offline
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The horizontal frequency is controlled by the slug on the back of the chassis between the Focus and Horiz drive adjustments. "AFC" is the Horizontal auto frequency control.

jr
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Old 09-02-2015, 09:47 PM
dieseljeep dieseljeep is offline
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The horizontal frequency coil is the only one you should try to adjust.
The model number 12T1, designates, that it's a 12" table model set. It doesn't appear to be that far out of frequency.
Once the horizontal is synced in, if the picture is shifted, try adjusting the horiz centering control.
As I mentioned in a previous entry, the Air King, CBS Columbia chassis were rather similar for a few years, for all screen sizes.
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