Posts: 1,411
Threads: 71
Joined: Oct 2007
City: Linn Creek, MO
Increasing the number of turns in the primary will decrease the voltage in all the secondaries. You have compensated for that in the HV but the filament voltages will be low.
Steve
M R Radios C M Tubes
Users browsing this thread: 1 Guest(s)
|
Recent Posts
|
Part numbers to model cross
|
Jim,
We have this index put together by Dale Cook but I don't think that is quite what you are looking for.
The Parts...klondike98 — 09:37 PM |
Philco Model 38-7: what caps & resistors do fail typically?
|
Yep the dim bulb test is OK but I'd definitely replace all those electrolytics before I did it. Since those #47 conden...klondike98 — 09:18 PM |
Philco 42-345 Restoration/Repair
|
The resistor is a 2.2 Meg, it was the last one I hadn't replaced. The broadcast is coming in after replacing it.osanders0311 — 09:09 PM |
Philco 42-345 Restoration/Repair
|
What does the resistor measure? I think it should be 3.3 Meg.
If the oscillator coil has continuity and the resistanc...RodB — 09:03 PM |
Philco Model 38-7: what caps & resistors do fail typically?
|
Good idea to check the coils... then I'll get hold of an incadescent light bulb and see what happens when the unit is sw...Musaeum — 08:49 PM |
Philco 42-345 Restoration/Repair
|
I have that same set, ain't too much shortwave I like anyway.....it is a good AM DX set. PaulPaul Philco322 — 08:32 PM |
Philco Model 38-7: what caps & resistors do fail typically?
|
Welcome to the Phorum, Martin! Open a new thread in Philco Electronic Restoration when you begin working on your 38-7. ...GarySP — 08:28 PM |
Philco Model 38-7: what caps & resistors do fail typically?
|
Welcome to the Phorum!
:wave:
Here's the schematic for that radio from our digital library:
Something to do bef...klondike98 — 08:05 PM |
Philco Model 38-7: what caps & resistors do fail typically?
|
Hi all,
on vacation in Montreal, a friend of mine showed me a Philco Model 38-7 console radio from the 30ies. Mechan...Musaeum — 07:21 PM |
Part numbers to model cross
|
I looked thru the documents and did not see one. Might have missed it though.Jim Dutridge — 07:16 PM |
Who's Online
|
There are currently 1080 online users. [Complete List] » 3 Member(s) | 1077 Guest(s)
|
|
|

|