11-30-2018, 02:04 PM
happened upon a free bee and it was pretty dirty till i hit first with air inside and out.
**** I need a typical page from a manual that shows the bottom view with designations on what component is what.. if anyone can help with that.
i took it apart to inspect and found out it looked pretty clean underneath... and the caps dont look like your usual blistered bunch of misfits.
I noticed some round disc type mica caps and wondered if those were original or not. i will use the parts list in the manual to verify this.
i totally dislike the tone control location.. its just plain stupid- it prevents easy access to the speaker.
All the tubes were in place so that seems to be a plus if the fire up!
It appears someone has installed a filter cap over top the original filter cap terminals... this makes no sense!!!
if you have a can that has a 4 section filter cap and it goes bad... why would you replace it with a 2 section dongle aftermarket,,**AND** parallel it (or should i say "series" it with a bad filter cap?
based on the bottom looking so good and even the resistors looked really great, i decided to fire it up and it works and AM comes in easily.
The FM has me stumped,, i added a rabbit ear antenna to the termials and still nothing,, its all flooded out with other noises that souund like a symptom of a bad filter cap... but not exactly if that makes sense.
when i am on AM or FM, there seems to be an audible rumble noise in the speaker.
when i am on AM and on a station,, i can feel the cone and feel the broadcast but riding atop the signal is another frequency that is from what i can only describe as a muffle noise/ rumble noise. this noise reminds me of when you have a speaker cone thats coming off or something.. but its very close to the noise of a bad filter cap. in my case the rumble noise seems to follow the volume knob as i rotate it,, but not drastically.
oddly after an hour or so this issue seems to go slightly away.
so here are some pics.
apparently this radio was sold in the same town i live in,, and has a service sticker of the former repair shop where i live as well.
a few pics..........
**** I need a typical page from a manual that shows the bottom view with designations on what component is what.. if anyone can help with that.
i took it apart to inspect and found out it looked pretty clean underneath... and the caps dont look like your usual blistered bunch of misfits.
I noticed some round disc type mica caps and wondered if those were original or not. i will use the parts list in the manual to verify this.
i totally dislike the tone control location.. its just plain stupid- it prevents easy access to the speaker.
All the tubes were in place so that seems to be a plus if the fire up!
It appears someone has installed a filter cap over top the original filter cap terminals... this makes no sense!!!
if you have a can that has a 4 section filter cap and it goes bad... why would you replace it with a 2 section dongle aftermarket,,**AND** parallel it (or should i say "series" it with a bad filter cap?
based on the bottom looking so good and even the resistors looked really great, i decided to fire it up and it works and AM comes in easily.
The FM has me stumped,, i added a rabbit ear antenna to the termials and still nothing,, its all flooded out with other noises that souund like a symptom of a bad filter cap... but not exactly if that makes sense.
when i am on AM or FM, there seems to be an audible rumble noise in the speaker.
when i am on AM and on a station,, i can feel the cone and feel the broadcast but riding atop the signal is another frequency that is from what i can only describe as a muffle noise/ rumble noise. this noise reminds me of when you have a speaker cone thats coming off or something.. but its very close to the noise of a bad filter cap. in my case the rumble noise seems to follow the volume knob as i rotate it,, but not drastically.
oddly after an hour or so this issue seems to go slightly away.
so here are some pics.
apparently this radio was sold in the same town i live in,, and has a service sticker of the former repair shop where i live as well.
a few pics..........
