Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Arvin 182TFM Sw?
#1

Have an Arvin 182TFM and I'm putting a polarized plug normally I put the hot side to the switch but this is different how should I wire it?
http://www.nostalgiaair.org/pagesbymodel...012465.pdf

TKS Eric
#2

If the GND symbol is the real chassis, I'd use Neutral for the switch.

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
#3

Yes the other side of the switch goes directly to the chassie so I will put the Neutral there.
#4

I have replaced the Selenium Rectifier with a Diode and dropping resistor 224ohms 5w and at 120vac in it drops 12.8vdc across it.
Across the filter caps I get
 C28A 95vdc
 C28B 90vdc
 C28C 82vdc
This seems low to me should I drop the value of the dropping resistor? Nowhere in the prints can I find any value of what it should be.
Thanks 
Eric
#5

220 ohms seems pretty high for the series dropping resistor. I would try 25 to 50 ohms and see how the DC across the filters responds. 

You really can't go by the DC drop across the resistor because you are measuring the average DC of a rectified sine wave. The peak voltage drop is what is important, as the first filter cap charges to the peak of the AC cycle and determines the resulting DC output. 

Just choose the resistance value that gives the proper output voltage at the filter caps, or at other locations shown on the schematic
#6

Changed the dropping resistor to 50 ohms theses are the new voltages.

New V
C28A 95vdc 121 vdc
C28B 90vdc 113 vdc
C28C 82vdc 103 vdc
Now for more trouble shooting.




Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
New Philco Repair Bench
I am sure this is the archive, and not the Chuck's site.morzh — 09:50 PM
Made mistake & did not label connection
It's not like we are good friends with that wire and can tell it from other ptetty identical looking wires. Why'n't you...morzh — 09:49 PM
Made mistake & did not label connection
I'm not sure why that wire wasn't covered in the video. I'm pretty sure the 6A8 won't work until that pin is grounded. Y...RodB — 09:47 PM
Made mistake & did not label connection
You'll have to forgive me, I am not sure what you mean.  Can you explain what you are really saying.  If anyone does not...georgetownjohn — 08:05 PM
Made mistake & did not label connection
Those are details better left to the ones who know. Maybe you disconnected the wrong end of the wire.RodB — 06:22 PM
Made mistake & did not label connection
Maybe this is starting to make some sense in my hard head.  Is this why the wire in question was not in the great Ron Ra...georgetownjohn — 04:34 PM
Made mistake & did not label connection
I was correct with the 6A8 pin connection's, 7 and 8 are connected to ground as well as the tube shield (the broken line...RodB — 02:41 PM
Made mistake & did not label connection
What does the dotted line representing that surrounds the tube in the schematic?georgetownjohn — 02:17 PM
Made mistake & did not label connection
Hello John, I have been there either label got lost or was not labeled ! Sincerely Richardradiorich — 02:15 PM
Made mistake & did not label connection
Sorry, it is a Philco 37-640.  Does that help?--Johngeorgetownjohn — 02:14 PM

[-]
Who's Online
There are currently 5152 online users. [Complete List]
» 1 Member(s) | 5151 Guest(s)
Avatar

>