Yeah, the print is hard to read alright. could you print it out on a laser printer, then look with a magnifier glass ?
:
:Yeah, the print is hard to read alright. could you print it out on a laser printer, then look with a magnifier glass ?
Found this about your radio. Very nice, and rare find.
http://www.tuberadioland.com/RCA143_main.html
He does list the schematic. But it's the same hard to read one. Good luck. Hope you can bring this one back.
::::Hi all ..I recently picked up a UNTOUCHED..minty RCA 134...Like new cabinet and untouched electronics!!! I want to restore the electronics (the usual..replace caps..ect.)..The problem is..the schematic is unreadable..print is to small to make out....I tries to increase the size of schematic ..but still ...cap calues are not readable....ANY HELP OR SUGGESTIONS???
::
::Yeah, the print is hard to read alright. could you print it out on a laser printer, then look with a magnifier glass ?
:
:Found this about your radio. Very nice, and rare find.
:
:http://www.tuberadioland.com/RCA143_main.html
:
:He does list the schematic. But it's the same hard to read one. Good luck. Hope you can bring this one back.
:
I have volume VI of Riders with this schematic in it. What component are you having trouble seeing? Maybe later today or tomorrow I can scan parts of it larger for you. This is page RCA 6-45 we are talking about. There are 3 pages to the service data (Schematic RCA 6-45, wiring diagram RCA 6-46, and parts list RCA 6-47).
Dave
::Hi all ..I recently picked up a UNTOUCHED..minty RCA 134...Like new cabinet and untouched electronics!!! I want to restore the electronics (the usual..replace caps..ect.)..The problem is..the schematic is unreadable..print is to small to make out....I tries to increase the size of schematic ..but still ...cap calues are not readable....ANY HELP OR SUGGESTIONS???
:If the electronics are indeed "untouched" - for the most part it should be a simple matter to read the value and voltage rating printed on the capacitor you are wanting to replace. I've repaired many a radio without having a schematic and usually use them only with sets that have been "tinkered" with.
I'll scan it and see if I can do better.
RCA 143.
Dave
:Mal..In regards to my RCA 143 ..I don't think you have restored this radio...RCA used their own code system..values are not on caps...DAVE..The whole schematic(s) are hard to read..Even if you laser print them and use a mag. glass to blow up still can't read because they are originally printed sloppy
:
::If the electronics are indeed "untouched" - for the most part it should be a simple matter to read the value and voltage rating printed on the capacitor you are wanting to replace. I've repaired many a radio without having a schematic and usually use them only with sets that have been "tinkered" with.
How is this image?:
http://web.mac.com/davesantiqueradio/Site_2/RCA-143.html
You will need to right click on the image and then save it to your desk top or other folder before viewing it in your favorite image viewer. It's a jpeg file. It's large. But just 716K Bytes.
If it's not clear enough even zooming in, I can make it much larger and higher resolution. I can even enlarge sections of it that you are having trouble seeing.
Dave
:G. Berg,
:I'll scan it and see if I can do better.
:RCA 143.
:
:Dave
::Mal..In regards to my RCA 143 ..I don't think you have restored this radio...RCA used their own code system..values are not on caps...DAVE..The whole schematic(s) are hard to read..Even if you laser print them and use a mag. glass to blow up still can't read because they are originally printed sloppy
::
:::If the electronics are indeed "untouched" - for the most part it should be a simple matter to read the value and voltage rating printed on the capacitor you are wanting to replace. I've repaired many a radio without having a schematic and usually use them only with sets that have been "tinkered" with.
www.nexicom.net/~oidar/rca143.pdf
Ed.
:I have posted a page from the Canadian RCA Service Manual 1. The original is pretty poor but perhaps you may be able to read some of the values.
:
:www.nexicom.net/~oidar/rca143.pdf
:
:Ed.
:
::I have posted a page from the Canadian RCA Service Manual 1. The original is pretty poor but perhaps you may be able to read some of the values.
::
::www.nexicom.net/~oidar/rca143.pdf
::
::Ed.
I have a pdf schematic for an RCA 143 that shows cap values. I enlarged it to 200% and was still clear. Would be happy to send if you give me your email address. Not sure if its what you want, but I'd be happy to forward to your for a look.
Regards,
Allan
::Ed thanks but thats the same one I have...Maybe best to just leave this radio in original condition..and not play it at all...HMMMM
::
:::I have posted a page from the Canadian RCA Service Manual 1. The original is pretty poor but perhaps you may be able to read some of the values.
:::
:::www.nexicom.net/~oidar/rca143.pdf
:::
:::Ed.
Sir G.Berg:
. . . . . .aka. . . . The Berg’ ster
There is still a minute degree of uncertainity in my mind, if you are needing a wiring pictorial layout of that chassis, but probably not, with you having a “voigin” unit, and you apparently solely need a more legible conventional schematic for its consultation.
With that consideration, and the Right Honorable and Esteemed Ed K. . .. Esq. . . having provided, probably the clearest copy, having been encountered so far, I took it and expanded it un up to about a 6 meg BMP format and then made evaluation of it and the placing of some specific textual enhancements to it.
Picked the file up, waaay up in Can-A-Duh, with no trouble encountered at customs. . . except one long line. . . . the only surprise was when, totally unbeknown to me, a big drug sniffing dog had sidled up behind me and GOOSED me in my gluteus minimus. . .not once, but twice. . . .now, THAT certainly woke me up.
Looking at the schematic now, I have considered the initial prime areas of consideration and initially marked up all of
the electrolytic capacitors used in the sets power supply and adjunct audio circuitry. The next consideration would be common paper capacitors used for decoupling/ bypassing the B+ supply of RF, I.F. transformers used in the set.
Then there would be the like B+ bypassing capacitors for the screen supplies and cathodes of tube circuitry. Then, the capacitors used as couplers between plate-to-grid circuitry over in the audio output.
Then, any capacitors that might be tied to or shunting the high peak voltages of audio that one might find in the audio output stage.
Unless PROVEN bad, I typically give an assumptive clean bill of health. . .en masse . . . to the multitude of small mmf values of silver mica caps used up in the frontal RF circuitry, along with the I.F. strip, and let them go ahead and fully experience their half life of 4 eons.
The principal parts values are marked, and the red dots were merely placed in as possible other areas where one might need the parts value, but I did not put them in on this run.
Any info can be supplicated, if you will request, and point out the location.
The end file is condensed to a PNG, so that anyone with dial up would not need ‘til next February ‘lebenteenth on a download.
Using Windows _Picture_ Viewer, will additionally let one zero in on any magnification desired.
THASSIT. . . . ..
BEEEEG BLOW UP OF. . . . . . RCA 143. . . . . .CHASSICATEUR. . . .
73's de Edd
