10-21-2017, 06:10 AM
Bob - thanks for moving this thread 
Ryan - I haven't owned the 41-616 in some time now, so I don't remember all of the details.
> First what is the voltage on the 30 mfd electrolytic one (philco 30-2377) that was mounted to the bottom of the volume motor?
As I said, I don't remember. I don't have the service data in front of me.
(looking at Nostalgia Air)
Hmmm, the schematic is stingy on voltages. Something probably in the neighborhood of 50 volts would probably work...but check the AC voltage going to the motor to be sure.
> Is it a non polarized one like the 16 mfd?
Yes.
> And why did yours wind up being so large is there something really special about it?
I think at the time I was looking for something that would fit the clamp, and the cap I installed fit perfectly. If I did it again I would have gutted the original can and put a new cap inside.
> Also the why is the 125mfd capacitor number 100 on the parts list 25mfd on the schematic? How can there be such a discrepancy between the parts list and the schematic?
No idea. Philco did make mistakes when drafting their schematics at times. The NA schematic is hard to read but I think (100) is coming off the output end of the filter choke (99)? If so it would surely be 25 uF, not 125 uF. Look at the original part to be sure (if it is still there).
> Also on the schematic and parts list a condeser is listed as being in the power plug, but no values are given can you give any insight on this?
'Fraid not, sorry. I replaced the power cord and plug on that 41-616 when I had it, and did not bother with a cap. If it makes you feel better, install an X1/Y2 safety cap across the AC line inside the radio chassis. I would suggest .0047 uF.
(Come to think of it, I might have installed one of these as well. I honestly do not remember.)
> And also on what fuses to install on power cord?
It did not have fuses originally. The radio is rated at 200 watts @ 118 volts AC. If you want to use a fuse, I suggest a 3 amp fuse. 2.5 amp might not be enough with radio and phonograph in operation and taking the operation of the volume control motor and stepper unit into consideration.
> Finally on my radio theres an unusual added potentiometer clamped to the front of the chassis and wired into the left most pushbutton, any ideas?
nope...very strange, it certainly should not be there. I would remove it and return the circuit to original per the schematic.
Ryan - I haven't owned the 41-616 in some time now, so I don't remember all of the details.
> First what is the voltage on the 30 mfd electrolytic one (philco 30-2377) that was mounted to the bottom of the volume motor?
As I said, I don't remember. I don't have the service data in front of me.
(looking at Nostalgia Air)
Hmmm, the schematic is stingy on voltages. Something probably in the neighborhood of 50 volts would probably work...but check the AC voltage going to the motor to be sure.
> Is it a non polarized one like the 16 mfd?
Yes.
> And why did yours wind up being so large is there something really special about it?
I think at the time I was looking for something that would fit the clamp, and the cap I installed fit perfectly. If I did it again I would have gutted the original can and put a new cap inside.
> Also the why is the 125mfd capacitor number 100 on the parts list 25mfd on the schematic? How can there be such a discrepancy between the parts list and the schematic?
No idea. Philco did make mistakes when drafting their schematics at times. The NA schematic is hard to read but I think (100) is coming off the output end of the filter choke (99)? If so it would surely be 25 uF, not 125 uF. Look at the original part to be sure (if it is still there).
> Also on the schematic and parts list a condeser is listed as being in the power plug, but no values are given can you give any insight on this?
'Fraid not, sorry. I replaced the power cord and plug on that 41-616 when I had it, and did not bother with a cap. If it makes you feel better, install an X1/Y2 safety cap across the AC line inside the radio chassis. I would suggest .0047 uF.
(Come to think of it, I might have installed one of these as well. I honestly do not remember.)
> And also on what fuses to install on power cord?
It did not have fuses originally. The radio is rated at 200 watts @ 118 volts AC. If you want to use a fuse, I suggest a 3 amp fuse. 2.5 amp might not be enough with radio and phonograph in operation and taking the operation of the volume control motor and stepper unit into consideration.
> Finally on my radio theres an unusual added potentiometer clamped to the front of the chassis and wired into the left most pushbutton, any ideas?
nope...very strange, it certainly should not be there. I would remove it and return the circuit to original per the schematic.
--
Ron Ramirez
Ferdinand IN
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