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

A Zenith 8G005YT restore
#68

I did some surgery on the 2nd IF transformer.   Took out the two caps across the transformer coils and replaced them with two 82 pF caps.  Pic shows the first new cap in place and the one remaining old cap at the bottom.  Buttoned it up again and …..  nada ….  No signal at all coming through the 2nd IF transformer now.  I was about to take it out and try some 100 pf caps when I thought about an observation I had made while signal tracing.  I recalled getting signal at the output of the filter circuit in the 2nd IF can… probably shouldn’t be seeing that and decided to try disconnecting that at the point where the slate colored wire (SL) connects to the 1LD5 filament line.  Heard signal now at the speaker!!  So that filter circuit must have failed.  I was able to align the 1st and 2nd IF transformers now although the only AM channels I can get are the local ones.  I think this still needs more work but it will be the next guy will have to do it.

[Image: https://www.dropbox.com/s/sfwktjx8lb2u53....jpg?raw=1]

[Image: https://www.dropbox.com/s/sa6vk7cxk422dc....jpg?raw=1]


Messages In This Thread
A Zenith 8G005YT restore - by klondike98 - 05-29-2016, 10:07 PM
RE: A Zenith 8G005YT restore - by morzh - 05-29-2016, 10:23 PM
RE: A Zenith 8G005YT restore - by Eliot Ness - 05-30-2016, 07:07 AM
RE: A Zenith 8G005YT restore - by klondike98 - 05-30-2016, 07:53 AM
RE: A Zenith 8G005YT restore - by Jayce - 05-31-2016, 10:24 PM
RE: A Zenith 8G005YT restore - by OldRestorer - 06-01-2016, 11:33 AM
RE: A Zenith 8G005YT restore - by Joe Rossi - 06-01-2016, 07:41 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-01-2016, 07:57 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-02-2016, 12:20 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-02-2016, 06:43 PM
RE: A Zenith 8G005YT restore - by sam - 06-02-2016, 07:34 PM
RE: A Zenith 8G005YT restore - by OldRestorer - 06-03-2016, 07:55 AM
RE: A Zenith 8G005YT restore - by Paul Philco322 - 06-04-2016, 01:53 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-04-2016, 02:13 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 06-04-2016, 02:33 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-05-2016, 08:55 PM
RE: A Zenith 8G005YT restore - by morzh - 06-06-2016, 08:36 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-06-2016, 08:54 PM
RE: A Zenith 8G005YT restore - by sam - 06-06-2016, 10:15 PM
RE: A Zenith 8G005YT restore - by morzh - 06-06-2016, 10:21 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 06-07-2016, 08:01 AM
RE: A Zenith 8G005YT restore - by klondike98 - 06-07-2016, 09:25 AM
RE: A Zenith 8G005YT restore - by morzh - 06-07-2016, 12:01 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-12-2016, 10:38 AM
RE: A Zenith 8G005YT restore - by sam - 06-12-2016, 04:15 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-16-2016, 10:27 AM
RE: A Zenith 8G005YT restore - by morzh - 06-16-2016, 11:00 AM
RE: A Zenith 8G005YT restore - by klondike98 - 06-19-2016, 10:04 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 06-20-2016, 07:58 AM
RE: A Zenith 8G005YT restore - by klondike98 - 06-20-2016, 09:09 AM
RE: A Zenith 8G005YT restore - by klondike98 - 06-21-2016, 05:10 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-23-2016, 03:20 PM
RE: A Zenith 8G005YT restore - by klondike98 - 06-28-2016, 05:15 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-06-2016, 09:14 AM
RE: A Zenith 8G005YT restore - by klondike98 - 07-06-2016, 10:50 AM
RE: A Zenith 8G005YT restore - by klondike98 - 07-07-2016, 10:43 AM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-07-2016, 02:23 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-07-2016, 07:26 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-14-2016, 12:02 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-14-2016, 01:44 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-14-2016, 02:00 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-14-2016, 02:12 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-14-2016, 02:33 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-14-2016, 04:58 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-14-2016, 05:49 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-14-2016, 08:59 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-16-2016, 09:46 AM
RE: A Zenith 8G005YT restore - by klondike98 - 07-16-2016, 01:02 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-16-2016, 03:40 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-17-2016, 09:11 AM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-17-2016, 10:03 AM
RE: A Zenith 8G005YT restore - by klondike98 - 07-17-2016, 10:33 AM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-17-2016, 10:36 AM
RE: A Zenith 8G005YT restore - by klondike98 - 07-17-2016, 10:37 AM
RE: A Zenith 8G005YT restore - by Radioroslyn - 07-17-2016, 11:06 AM
RE: A Zenith 8G005YT restore - by klondike98 - 07-17-2016, 11:49 AM
RE: A Zenith 8G005YT restore - by Phlogiston - 07-17-2016, 03:06 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-17-2016, 03:49 PM
RE: A Zenith 8G005YT restore - by klondike98 - 07-20-2016, 06:38 PM
RE: A Zenith 8G005YT restore - by Phlogiston - 07-20-2016, 08:29 PM
RE: A Zenith 8G005YT restore - by klondike98 - 08-30-2016, 04:13 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 08-30-2016, 08:28 PM
RE: A Zenith 8G005YT restore - by klondike98 - 08-30-2016, 09:03 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 08-30-2016, 11:07 PM
RE: A Zenith 8G005YT restore - by klondike98 - 08-31-2016, 08:51 AM
RE: A Zenith 8G005YT restore - by klondike98 - 09-10-2016, 04:39 PM
RE: A Zenith 8G005YT restore - by klondike98 - 09-22-2016, 03:04 PM
RE: A Zenith 8G005YT restore - by sam - 09-22-2016, 07:12 PM
RE: A Zenith 8G005YT restore - by Eliot Ness - 09-26-2016, 04:28 PM
RE: A Zenith 8G005YT restore - by Paul Philco322 - 10-10-2016, 03:26 PM
RE: A Zenith 8G005YT restore - by klondike98 - 10-10-2016, 05:15 PM
RE: A Zenith 8G005YT restore - by Radioroslyn - 10-10-2016, 07:42 PM
RE: A Zenith 8G005YT restore - by KCMike - 10-10-2016, 07:50 PM
RE: A Zenith 8G005YT restore - by klondike98 - 10-10-2016, 08:55 PM
RE: A Zenith 8G005YT restore - by klondike98 - 11-04-2018, 08:18 AM
RE: A Zenith 8G005YT restore - by morzh - 11-04-2018, 12:21 PM
RE: A Zenith 8G005YT restore - by klondike98 - 11-04-2018, 01:00 PM
RE: A Zenith 8G005YT restore - by morzh - 11-04-2018, 01:37 PM
RE: A Zenith 8G005YT restore - by MrFixr55 - 04-04-2023, 08:19 AM
RE: A Zenith 8G005YT restore - by morzh - 04-04-2023, 09:42 AM
RE: A Zenith 8G005YT restore - by MrFixr55 - 04-05-2023, 08:11 AM
RE: A Zenith 8G005YT restore - by radiorich - 04-06-2023, 12:36 AM
RE: A Zenith 8G005YT restore - by morzh - 04-06-2023, 12:57 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 no members online.

>