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Adjusting the 66 compensators
Jim Dutridge
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Posts: 286
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Joined: Mar 2007
City: Toledo State, Province, Country: OH
#8

08-15-2013, 02:08 PM
Got my speaker back and have been trying to align this with no luck. Once I start reaching a peak reading on my output meter the radio breaks into a loud squeal/motorboating. If I back off the one compensator so that the squeal is gone and try to adjust the next one it starts squealing again. This with and withouit using a signal generator.

If I just back off each compensator to eliminate the squealing the radio picks up AM stations just fine but the Sw motorboats like crazy. Have already installed the 70 ohm resistor between cap #14 and the osc. coil like the service bulletin states.

Another thing I noticed is that when adjusting the compensators, it not only varies the volume but also the tone, which I have never encountered before. All the wiring is original so there was no rerouting of any of it. Tried cleaning the compensators but that didn't change anything. I'm stumped.
(This post was last modified: 08-15-2013, 02:09 PM by Jim Dutridge.)
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Messages In This Thread
Adjusting the 66 compensators - by Jim Dutridge - 07-08-2013, 03:00 PM
RE: Adjusting the 66 compensators - by klondike98 - 07-08-2013, 04:22 PM
RE: Adjusting the 66 compensators - by klondike98 - 07-10-2013, 06:04 PM
RE: Adjusting the 66 compensators - by Jim Dutridge - 08-15-2013, 02:08 PM
RE: Adjusting the 66 compensators - by Arran - 08-16-2013, 06:46 PM
RE: Adjusting the 66 compensators - by klondike98 - 08-18-2013, 06:58 PM



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  1. The PHILCO Phorum
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