The Fisher 440-T FM Receiver
Posts: 16,577
Threads: 574
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
(02-26-2015, 09:05 PM)Ron Ramirez Wrote: Have I done as you suggested? Nope. I am at a loss to understand why the signal is clean to the output with a signal tracer, but not with speakers or headphones.
Exactly what the scope is for. Sometimes trying to model thing in one's head is not working. What if loading your control amp distorts the signal? The scope will tell you if it is the case, and you can trace it further down if needed.
Well, when you have a chance, keep us posted.
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.
Messages In This Thread
RE: The Fisher 440-T FM Receiver - by morzh - 02-26-2015, 11:17 PM
Users browsing this thread: 1 Guest(s)
|
|
Recent Posts
|
|
Philco 42-345 Restoration/Repair
|
| Hi OSanders,
Look carefully at the band switch. Turn it slowly and "wiggle" it around the desired band. ...MrFixr55 — 12:33 AM |
|
5U4 vs 5Z4 tubes
|
| I think that RCA and GE introduced metal tubes in the USA in 1936. I don't know if they were being made by RCA, GE or b...MrFixr55 — 11:20 PM |
|
Philco 42-345 Restoration/Repair
|
| Vlad95,
Thank you for the stringing guides and wow there are so manyosanders0311 — 06:01 PM |
|
5U4 vs 5Z4 tubes
|
| A pre war Hallicrafters, and an early one too, very nice! 1936 is pretty early for metal tubes too, which would explain ...Arran — 05:58 PM |
|
Philco 42-345 Restoration/Repair
|
| Thanks Rod,
"When you hear the background hiss and no station it usually indicates that the oscillator quit" ...osanders0311 — 05:52 PM |
|
Philco 42-345 Restoration/Repair
|
| RodB
:beerchug:Vlad95 — 10:22 AM |
|
Philco 42-345 Restoration/Repair
|
| Vlad, you nailed it. Swiss and German roots.RodB — 09:54 AM |
|
5U4 vs 5Z4 tubes
|
| Well this is a Hallicrafters SX/9 circa 1936.
No real issues so far although I dodged a real bullet with a cap that was...bridkarl — 07:59 AM |
|
5U4 vs 5Z4 tubes
|
| The pinout is the same but the 5U4 has a 3 amp filament, verses 2 amps or less on the 5Z4. I think that the pinout of a ...Arran — 12:04 AM |
|
Philco 42-345 Restoration/Repair
|
| By the way.
osanders0311
Take a look here: Dial cord stringing Guides
May be here you can fount correct string settin...Vlad95 — 11:15 PM |
|
Who's Online
|
| There are currently no members online. |
|
 
|
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
