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

dogbone resistor value
#1

This may seem like a dumb question for all you Philco techs, but here goes anyway.
Working on a Philco model 118 code 121 chassis and noticed a large dogbone resistor that has a couple hot spots(bubbled).
It is a large dogbone, I am guessing at least 3 watt,with an orange body and red end. No dot in the center.
The schematics does not show this resistor, so I will just replace it with a new one if I can figure out what it is.
Checks about 46.9 k ohms.
Thanks guy's,
murf
#2

Murf,

Well, so far you have described ' 32? '. THe question is what was the DOT. (Body-tip-dot)

If the schematic doesn't show it, what DOES it show at that place in the circuit? Does the radio WORK as it is? Have you tried simply removing it and see if it works that way?

My point is, if the part was not intended to be there, why IS it there. If it came to be as a repair, replaceoing another resistor that failed, and it currently works, I would do one of two tings. (A), I'm lazy. Leave it alone. (B) if some improvement can be had, a good place to start would be 32 K Ohms. Check for heating. If the one that's there gets HOT, there might be a shorted or leaky capacitor on the other end of it. Replacing it with 32 anything might resilt in smoke. BTW... Those resistors were half Watt, one Watt, 2 Watt. The two Watters were BIG. Quarter inch in diameter, and about 2 inches long.

It would help if I knew where it is in the circuit.

Randy.......
#3

Murf,
Believe you are looking at R67; 32K, 2 watts. Cap on output side going to the grids of the 6A7 is probably bad. Therefore, the reason the resistor got hot. John
#4

Well guy's, one end of the resistor is going to the output tranny and the other end to a bakelite block.
Don't see it on the schematics.
No dot that I can see.
I know the electrolitics are bad due to the buzz.
Have not wanted to power it up until the electrolitics are replaced.
Just going by what the previous owner said.
I gather I should start with a 32k and see what happens after I replace the electrolitics.
I noticed there is a can underneath with a 1-1-2 cap installed.
Need to replace these too?
Thanks
murf
#5

B.E.D. Body, end, dot. just in case you run into another one, if there is no dot then it would be the same color as the body. If the body is orange without a dot then the dot is orange also.




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Studebaker/Philco AC-2687 car radio
I have some car radio service manuals, Riders I think (not to be confused with the big blue binders), so I may see if on...Arran — 01:20 AM
Philco model 40-100
Greetings; Here is an update, I found a listing on fleabay for a similar chassis to yours, and it has a photo of what...Arran — 12:58 AM
Philco model 40-100
Greetings; I think I may have found a clue as to what is missing, from a search I made, there is a rear view of the c...Arran — 12:12 AM
Philco model 40-100
I recently acquired a Philco model 40-100 farm (battery) radio. The radio was in very good condition except the red on f...mhamby — 05:59 PM
Studebaker/Philco AC-2687 car radio
Hello, Richard the radio is an AC-2687 Studebaker model. The Philco model is S -5323 and the chassis p/n is S-5523Pdouglaski — 11:52 AM
48-482 rear panel help
The 48-482 is an AC only set as well, featuring a power transformer. While the transformer shouldn’t get “hot”, it is ye...jrblasde — 11:12 AM
Studebaker/Philco AC-2687 car radio
I gave a Chrysler/MoPar car radio from 1954, it was made by Philco, and it uses two chassis, one has the power supply an...Arran — 11:06 AM
48-482 rear panel help
Hello keithchip. You could make a hardboard back for the set, but make sure you provide plenty of ventilation holes in ...GarySP — 11:04 AM
Studebaker/Philco AC-2687 car radio
Welcome to the Phorum, Phil! Lots of friendly help here to assist you along the way! Take care, - GaryGarySP — 10:55 AM
Studebaker/Philco AC-2687 car radio
Hi Pdouglasti, Phirst off, welcome to the Philco Phorum, a Phamily Phriendly place phull of phun pholks and all things ...MrFixr55 — 07:37 AM

[-]
Who's Online
There are currently 837 online users. [Complete List]
» 2 Member(s) | 835 Guest(s)
AvatarAvatar

>