Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

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

No Signal withOut scope probe
#7

Hi All;
Morzh, Thank You for you answers and further questions..
I have a scope that does do frequency and so, I did adjust the Oscillator coil, and Capacitor when I had the Dial set for 600 KHZ and my IF is 460 KHZ, so I set the Oscillator frequency at 1010 KHZ.. I couldn't have done it without my scope..
When the switch is in Band 1 or Broadcast band, the switch does connect the two Capacitors together, now whether it needs to or does connect anything else together, I don't know at the present..
In the Morning I will check and let you know If the problem persists when it is in Band 4 (SW) and the other two as well.. I will also see if it will receive any signals while in the other three bands, both with and without the scope attached to that point..
I am Not sure if the Antenna Trap is completely working, it passes a signal thru, but I am not sure that it is trapping any signals.. When I have put 460KHZ to it and try to make it less or none extinct, it doesn't seem to dimish any at all.. As per the Philco instructions.. The Cap maybe bad or off value, or for that matter so could the coil be as well.. But, 600KHZ passes thru nicely..
Brenda Ann, Thanks for Your Input.. "I need more Input".
I have ohmed out the RF Coil both with the resistor attached and with one end removed and the coil ohms out, according to the specs from a Philco 44, which has the same front end.. But, I will ohm out all of the RF coil connections and see if something is wrong or missing..
I will also connect my generator directly to the cap and see If I still works without the scope connected and then work my way back to the antenna connection.. THANK YOU for the Suggestion..
THANK YOU Marty


Messages In This Thread
No Signal withOut scope probe - by marty - 09-06-2013, 07:23 PM
RE: No Signal withOut scope probe - by keithw - 09-06-2013, 08:52 PM
RE: No Signal withOut scope probe - by morzh - 09-06-2013, 08:55 PM
RE: No Signal withOut scope probe - by marty - 09-06-2013, 09:28 PM
RE: No Signal withOut scope probe - by morzh - 09-06-2013, 10:14 PM
RE: No Signal withOut scope probe - by BrendaAnnD - 09-06-2013, 11:32 PM
RE: No Signal withOut scope probe - by marty - 09-06-2013, 11:36 PM
RE: No Signal withOut scope probe - by marty - 09-07-2013, 09:58 AM
RE: No Signal withOut scope probe - by morzh - 09-07-2013, 01:21 PM
RE: No Signal withOut scope probe - by marty - 09-07-2013, 02:33 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
PT 6 chassis screws size???
Hello bridKarl, that sounds right or maybe 8/32 . Sincerely Richardradiorich — 01:00 AM
PT 6 chassis screws size???
Have this done except for missing chassis screws. It looks like 1 inch 6/32 sheet metal screw may work but can anyone s...bridkarl — 10:32 PM
Philco model 38 code 121 not receiving signal.
Hello Stormlord, Well done on rewinding that coil it turned fairly good for your first one. Sincerely Richardradiorich — 09:12 PM
Philco model 38 code 121 not receiving signal.
Well here it is. It ain't pretty, but hopefully it'll work. I checked it with my DMM on continuity and it keeps and r...Stormlord5500 — 08:56 PM
Philco 42-345 Restoration/Repair
Yes, 57 is an electrolytic cap that should be 12 mfd 400 volts according to the parts list from the Phorum library schem...RodB — 06:01 PM
Philco 42-345 Restoration/Repair
Looks like if I am reading it correctly it looks like the silver capacitor#57 that appears to be a replacement is of a l...osanders0311 — 05:09 PM
Philco model 38 code 121 not receiving signal.
Thanks Arran. Yeah this plastic is pretty thin. It's a little thinner than the original stuff. It kinda reminds me of p...Stormlord5500 — 04:37 PM
Testing a speaker and output transformer Trutone A2-G
The equivalent of one short turn is basically the same as that of a shorted load. If it is the primary's turn, then the ...morzh — 03:53 PM
Testing a speaker and output transformer Trutone A2-G
I've never had an output transformer become shorted, the failure mode is usually an open primary, or in a center tapped ...Arran — 03:52 PM
Philco model 38 code 121 not receiving signal.
As long as the plastic sheeting isn't too thick, I think that the thickness of photographic film would be just about rig...Arran — 03:19 PM

[-]
Who's Online
There are currently 722 online users. [Complete List]
» 1 Member(s) | 721 Guest(s)
Avatar

>