1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
38-2 Audio Yes Signal No
RodB
Phorum Expert
*****
Posts: 961
Threads: 39
Joined: Feb 2015
City: Roseville, MN
#5

01-08-2020, 07:53 PM
If you can feed a modulatted 470 khz IF signal in to the antenna and hear the aurio from the speaker then the local oscillator has a problem.

Rod
Find
« Next Oldest | Next Newest »


Messages In This Thread
38-2 Audio Yes Signal No - by dfields69 - 01-07-2020, 07:03 PM
RE: 38-2 Audio Yes Signal No - by radiodale - 01-07-2020, 09:22 PM
RE: 38-2 Audio Yes Signal No - by dfields69 - 01-07-2020, 11:32 PM
RE: 38-2 Audio Yes Signal No - by morzh - 01-08-2020, 08:48 AM
RE: 38-2 Audio Yes Signal No - by RodB - 01-08-2020, 07:53 PM
RE: 38-2 Audio Yes Signal No - by dfields69 - 01-08-2020, 09:46 PM
RE: 38-2 Audio Yes Signal No - by radiodale - 01-09-2020, 09:04 PM
RE: 38-2 Audio Yes Signal No - by dfields69 - 01-10-2020, 10:52 PM
RE: 38-2 Audio Yes Signal No - by radiodale - 01-10-2020, 11:18 PM
RE: 38-2 Audio Yes Signal No - by dfields69 - 01-11-2020, 01:05 PM
RE: 38-2 Audio Yes Signal No - by dfields69 - 01-14-2020, 07:37 AM



Users browsing this thread:
[-]
Recent Posts
Philco 91 Speaker Replacement
The spider is glued on the cone and so is the voice coil. I think you can use a cotton swab dipped in acetone and carefu...RodB — 02:42 PM
Restoring Philco 37-604C
Yes I saw that. If I knew, I'd probably try to arrange for getting it myself. But I have just got one. Which does not m...morzh — 01:44 PM
Philco 38-2 Automatic Tuning
When you push the lever, you are supposed to rotate the disk to the desired station. Then the magnetic tuning will acqu...morzh — 01:42 PM
Philco 38-2 Automatic Tuning
I figure out the muting from another picture that helped. Now I need to know how the automatic tuning works. When I push...dconant — 12:11 PM
Philco 91 Speaker Replacement
How would I go about removing the spider from the cone?dconant — 12:04 PM
Philco 38-2 Automatic Tuning
Hello, I am having trouble getting my automatic tuning to stay unmuted. If I play with the tuning handle I can get it to...dconant — 10:51 AM
Does anyone make photofinish replacements?
Here’s the link to the DIY photofinish section of our site: klondike98 — 09:46 AM
Delco car radio Peko vibrator converstion issues
Hi Richard, Thx for posting the schematic.  As I remember as a kid, these were great performers for the time, likely...MrFixr55 — 08:56 AM
Delco car radio Peko vibrator converstion issues
hello mr Fixr, The Electro  Powersupply that I am powering the radio with has a huge choke plus a 10,000ufd electrolyti...radiorich — 10:58 PM
Delco car radio Peko vibrator converstion issues
How about putting a choke in the power supply? The big cap was likely an attempt to stabilize the DC. Kids who cre...MrFixr55 — 09:19 PM

[-]
Who's Online
There are currently 2077 online users. [Complete List]
» 2 Member(s) | 2075 Guest(s)
AvatarAvatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration