Posts: 228
Threads: 64
Joined: Dec 2013
City: Northbrook, IL
According to the code 121 schematic, there is a 10 mfd cap. (#75) between the driver's secondary center tapping and the ground. And there is one on mine,under the chassis, recent replacement. Later 16b sets had such capacitors installed on the chassis (small aluminum can), but in my case there is no provision for it . I checked some photos of the 121 code sets and could not find such capacitor on the top of the chassis.
Also, any place I can find the new large rubber ring for the dial wheel? I can make one, but if the professionally made ones available, I would rather go that way. Thanks.
http://www.nostalgiaair.org/PagesByModel...013139.pdf
(This post was last modified: 07-17-2014, 08:44 AM by fields 100.)
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand
State, Province, Country: Indiana
5-band Model 16 sets with the separate electrolytic (75) are early production. Later production models included (75) with one of the main electrolytics, making it a 2-section unit. I'm not near my service info at present, so I do not remember which one but I suspect it was probably (88 ).
If a 16 chassis has the separate capacitor (75), it was mounted under the chassis, not on top.
As for the rubber rings, look here:
http://www.philcoradio.com/tech/drive.htm
--
Ron Ramirez
Ferdinand IN
Posts: 228
Threads: 64
Joined: Dec 2013
City: Northbrook, IL
Ron,
I just looked deeper behind all those new caps and wires and one original E-cap IS, indeed, dual.
Thanks so much.
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand
State, Province, Country: Indiana
Remember, the positive end of (75) goes to ground. Negative to B-. 10 uF, 50 volts is more than sufficient as a replacement for (75).
--
Ron Ramirez
Ferdinand IN
Posts: 2,353
Threads: 92
Joined: May 2010
City: Clayton, NC
I made that mistake once.....
Posts: 228
Threads: 64
Joined: Dec 2013
City: Northbrook, IL
Live and learn... It is so easy to screw up-unless paying good attention to the schematic. Especially with a dual e-cap.
(This post was last modified: 07-18-2014, 01:36 PM by fields 100.)
Posts: 15,823
Threads: 554
Joined: Oct 2011
City: Jackson, NJ
Well...fixing radios is about reading schematics. Why would anyone not pay good attention to it?
(This post was last modified: 07-18-2014, 01:47 PM by morzh.)
Posts: 228
Threads: 64
Joined: Dec 2013
City: Northbrook, IL
That is when one feels so good about his find, that he gets overexcited.
(This post was last modified: 07-18-2014, 01:52 PM by fields 100.)
Posts: 348
Threads: 48
Joined: Oct 2013
City: Tioga, Texas, USA
Fields 100;
Congratulations on selecting an excellent Philco to restore! This is a very good performing set when working correctly. It is well worth the effort to restore.
We will be glad to help along the way.
Joe
KC5LY
Users browsing this thread: 1 Guest(s)
|
|
Recent Posts
|
|
Philco 42-390, code 121 speaker
|
| #87 on the schematic.
This radio had a 8" Zenith speaker attached to it when I got it. I do don't know the hist...Stevelog — 06:39 PM |
|
Philco 60 Squealing
|
| I'm pretty sure I now have the litz wire soldered. This did not make any difference. Back in April I rewound the seconda...dconant — 06:25 PM |
|
Philco 38-7 Speaker
|
| Just to make sure, you chose either 4 ohm into 5K or into 10K? (blk-org or blk-grn)morzh — 06:23 PM |
|
Philco 38-7 Speaker
|
| I have let this one sit because of other duties. Now I am back, and I have a couple of questions. I hooked up a Hammond ...tludka — 05:34 PM |
|
Philco 42-390, code 121 speaker
|
| >>A closer examination of the very small print schematic indicates that the speaker is a PM type.
This shows a ...morzh — 05:18 PM |
|
Philco 60 Squealing
|
| Litz is typically tinned by simply rubbing it with the soldering iron tip while immersed in solder (and a bit of rosin f...morzh — 05:14 PM |
|
Philco 6K7
|
| The suppressor grid (if by G3 you mean the S) is usually at the Cathode potential, which in this caes is GND.
I am not ...morzh — 05:10 PM |
|
Philco 16B Parts
|
| Thanks for the reply. Unfortunately the radio was removed before bidding was over so I didn't get a chance to bid.dconant — 04:10 PM |
|
Philco 16B Parts
|
| Hi Dan,
Mike is correct, there's a lot of painted stuff on the chassis but it looks pretty good. The sm is all there,sp...Radioroslyn — 03:50 PM |
|
1930s Stromberg-Carlson Tombstone Radio need help identifying model number
|
|
Hi Cap'n Clock,
Unfortunately, I do not have this radio. This is a shame because this should be a good performer. 2A...captainclock1988 — 03:43 PM |
|
Who's Online
|
There are currently 2949 online users. [Complete List]
» 1 Member(s) | 2948 Guest(s)
|
|
|
|
 
|
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
