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1929 Philco Model 86 Restore on Youtube
#6

Hi Buzz
Saw your videos and had a couple of comments. Your set has no electrolytic condensers in it power supply or elsewhere. All of the condensers are paper or mica.The filters in the P/S are paper and as paper condenser are they are non polarized. Do not replace them with electrolytics as they can't take the high ripple current and will short after awhile (like a month or 2 with daily usage. Ask my model 87.

You mention that the label is riveted to one of the IF cans. Cant happen. Your set is a TRF set not a superhetrodyne. Superhets have IF's TRF's don't. The TRF sets use a number of RF amp stages, a detector, and then a power audio amp. No frequency conversion like a superhet.

On removing the filter condensers in the metal can you could have saved your self a lot of time and construction of the terminal board that mounts on the bottom. By placing the filter can once removed from the chassis in the oven in a pan under it. Heat it to 175-200 degrees for about 30-45 mins. This is enough to soften the tar. Gently lift the terminal board just enough and cut off the wires that hold it on. Carefully pry and use a cork screw or an Ihook to remove the remaining parts in the can. Replace the original caps with 630V paper (mylar) units.

Pls not miss understand my post. Just wanted to clear up a few bits of info in your videos. I'm not trying to degrade or discredit your restoration. Just want the newbies to get the proper info.
GL with your project. Looks like a fun one!
Terry


Messages In This Thread
1929 Philco Model 86 Restore on Youtube - by Buzz - 08-07-2014, 09:05 PM
RE: 1929 Philco Model 86 Restore on Youtube - by Radioroslyn - 08-10-2014, 02:32 PM



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