11-06-2016, 02:52 PM
I’ve started to take a closer look at this Emerson 350 aw. A nice surprise, the front logo foil was still there, just seems faded and I took it for a blank area…need to put my glasses on when I’m looking at these! It looks to me as though at one time it was a black background with the raised design and letters probably showing as the brass color. Perhaps I can redo the black enamel …. more to think about.
[Image: https://www.dropbox.com/s/cwbxe6ad72y4pu....jpg?raw=1]
The front photos are in the “Nov Phinds” thread so I won’t repeat them here. The only schematic I’ve found is Riders (Nostalgiaair link)
I’ll post it here:
[Image: https://www.dropbox.com/s/i2anzk7kgg6hxc....jpg?raw=1]
It does not list the parts and I’m missing the pilot light so I’m not sure what light to use. It’s a threaded base and I suspect 6.3v since that’s what the 77 and 78 tubes are. My 25Z5 has a dead filament so I’ll have to order another, the other tubes' filaments are good and none have shorts, though I no longer have a tester for them. The 175 ohm resistor pictured with a portion of it in parallel with the pilot lamp is partially ok, i.e. the part in parallel with the filament is open but the remainder ohms out at 165 ohms.
[Image: https://www.dropbox.com/s/zotf9z7hacpgdl....jpg?raw=1]
The 500 ohm choke and the field coil seem ok. Haven’t gotten to the rest of the coils. The on-off/volume control does not seem be working at all but I haven’t done any cleaning yet either and this whole radio is pretty dusty (but no mice!)
[Image: https://www.dropbox.com/s/mvoaze585bc5lt....jpg?raw=1]
[Image: https://www.dropbox.com/s/ekgk0yyami4v6b....jpg?raw=1]
The brown box like item is where the 3 electrolytics are found. You can only just barely read the label where the red, green, black, and blue leads are identified (although none of those colors except black seem to have survived the years). That should be fun to open up and stuff. This reminds of the Philco 59C I restored…very compact and tight quarters! More later….
[Image: https://www.dropbox.com/s/cwbxe6ad72y4pu....jpg?raw=1]
The front photos are in the “Nov Phinds” thread so I won’t repeat them here. The only schematic I’ve found is Riders (Nostalgiaair link)
I’ll post it here:
[Image: https://www.dropbox.com/s/i2anzk7kgg6hxc....jpg?raw=1]
It does not list the parts and I’m missing the pilot light so I’m not sure what light to use. It’s a threaded base and I suspect 6.3v since that’s what the 77 and 78 tubes are. My 25Z5 has a dead filament so I’ll have to order another, the other tubes' filaments are good and none have shorts, though I no longer have a tester for them. The 175 ohm resistor pictured with a portion of it in parallel with the pilot lamp is partially ok, i.e. the part in parallel with the filament is open but the remainder ohms out at 165 ohms.
[Image: https://www.dropbox.com/s/zotf9z7hacpgdl....jpg?raw=1]
The 500 ohm choke and the field coil seem ok. Haven’t gotten to the rest of the coils. The on-off/volume control does not seem be working at all but I haven’t done any cleaning yet either and this whole radio is pretty dusty (but no mice!)
[Image: https://www.dropbox.com/s/mvoaze585bc5lt....jpg?raw=1]
[Image: https://www.dropbox.com/s/ekgk0yyami4v6b....jpg?raw=1]
The brown box like item is where the 3 electrolytics are found. You can only just barely read the label where the red, green, black, and blue leads are identified (although none of those colors except black seem to have survived the years). That should be fun to open up and stuff. This reminds of the Philco 59C I restored…very compact and tight quarters! More later….
