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Dad Blame it!

74.37.191.109
Posted on October 24, 2014 at 08:19:39
Awe-d-o-file
Dealer

Posts: 21037
Location: 50 miles west of DC
Joined: January 10, 2004
 Two easy things are now a pain. One is a deer hunting call which has a slide on/off switch. I modified one for a guy adding a momentary push button as the click from the slide switch was too loud. He gave me his friends to do the same and I drilled a hole in the case for the size of a momentary push button my wife got from the junk box at the hospital. Very nice robust switch still in its original plastic wrap with a neon light and hardware. Perfect for the job too as the terminals come out on the bottom 90 degrees offset. After installing it F me! It's normally closed!

Number two is I gave a neighbor a nice 60's Admiral clock radiomodel YG-547, chassis 6H4N-3. AM/FM with a phono input it has 6 tubes. It was dead, no tubes light up. Hoping for an open filament but no. Probably the selenium rectifier or silicone diode. No schematic anywhere.

Two potentially easy things have turned into a pain. Just wanted to bitch and moan a bit. Oh well, time to move forward.
ET

"If at first you don't succeed, keep on sucking till you do suck seed" - Curly Howard 1936

 

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RE: Dad Blame it!, posted on October 24, 2014 at 10:09:07
Tom Bavis
Audiophile

Posts: 961
Location: Upstate NY
Joined: May 25, 2007
 Sams folder 802-5 (1966) covers the Admiral - too late to be in my files. This one might be close: http://techpreservation.com/schematics/67/67_Admiral_6M4A_6.djvu

 

RE: Dad Blame it!, posted on October 24, 2014 at 11:39:02
Awe-d-o-file
Dealer

Posts: 21037
Location: 50 miles west of DC
Joined: January 10, 2004
 That wasn't it Tom but it is working now. I tested all the tubes except for the 17EW8 which I filament tested manually with an ohm meter as it isn't listed on my tube tester chart. I traced the series filament connections from start to finish at the FM tube. (17EW8) Oddly I found no continuity from pin 4 of the topside of that socket to the wire leading out from pin 4. The underside of that tube had a metal cover I had to take off. I just cleaned the old discoloring glue (quite a bit) and looked over the wiring. Pin four went to a common connection and then to the chassis. The tubes were removed and cleaned and pins straightened just last year. So I don't know what was up but it has been playing for a few hours now. From the beginning the clock worked just no radio. Thanks for chiming in as always.


ET
ET

"If at first you don't succeed, keep on sucking till you do suck seed" - Curly Howard 1936

 

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