Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x

Thread Closed

Issue with rebuilt 38-690 audio transformer
#13

Huh. That's too bad; thanks for that info though. 
Replaced all the electrolytics, checked tubes etc and brought it up for the first time today .... Deadsville. Not a peep out of the speakers. I was hoping it would be something simple like a blown fuse in the AOT, but no such luck.
This radio came to me with two blown 6L6 tubes and that open interstage transformer, which was replaced by Heyboer (see posts above) and re-installed. The power supply chassis has been recapped, and the five-section lytic in the receiver section has also been replaced. All the tube heaters are lit; getting 300-sometthing volts in the 6L6's, but the other two tubes in the power supply (6F6 and 6J5) are giving odd readings, not much voltage going through them.
I'll continue checking the loads on the tubes for now, and double checking my work. We shall see Icon_smile


Any other suggestions?


Messages In This Thread
RE: Issue with rebuilt 38-690 audio transformer - by Diverted - 06-30-2015, 04:22 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Try looking at this site the book mark is for a old generator that I was given. David    https://radionerds.com/index.ph...David — 08:36 PM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Hello Everyone, I am looking for voltage identification for all the pin positions on the socket of a CRV-20130 power su...Tonym4704 — 08:16 PM
Philco P45-6365 Universal Transformer Instruction Manual
Can anyone guide me to where this may be found?GRG — 03:00 PM
54C Complete Teardown/Rebuild
I don't think that I have encountered a 12Z3 before, curious how it uses one of those but includes a #43, which is a 25 ...Arran — 02:17 PM
HiFi (Chifi) tube amp build - but my own design.
It's the other forum. I'm also in DIY, but mostly read there. Honestly, I kinda jumped into this without much thought to...TV MAN — 10:43 AM
Philco 71 Code 125
Hello,  I am in need of a schematic for this radio. Mine has the three separate circular tube shields and a shadow me...dconant — 08:06 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated.dconant — 07:57 AM
54C Complete Teardown/Rebuild
Hello Roy, here is this one sincerely Richardradiorich — 12:45 AM
54C Complete Teardown/Rebuild
Richard, Had grabbed it already but thank you just the same.  I find myself wanting to find some way to block out the...glyphmon — 12:03 AM
54C Complete Teardown/Rebuild
Hello roy, here is a link to the schematic . Sincerely Richardradiorich — 11:54 PM

[-]
Who's Online
There are currently no members online.

>