|
Search "Radio Electronics"
Enter one or more keywords to search for in the search box Select the years or decades you want to search in. If searching by years, uncheck "All" If 'all' is checked results include all issues Select how many results to show on each page '*' and '?'  may be used"K?I" gets KFI, KOI, etc. "K*I" gets KFI, KFDI, KFYI, etc.. Enclose expressions in double quotes "WXYZ" for exact matches




139 results found containing all search terms.
 
Sorted by relevance / Sort by date

Select "Relevance" for word match or "Date" to select sort type. Click Date again to toggle or date order

Refine your search by category:

14 pages of results.
Result Pages: 1 2 3 4 5 6 7 8 9 10 11 Next >>
... TUBE the heater is inside this. After years of So we resort to more drastic measures. is the most important part of his TV use, all the "goody" is gone from the CRT testers now have a heater voltage set. It's the most expensive! So we need surface, so we get few electrons and a variable from 1.1 to 12. (Early models to know what's ... plate out of them, and feed a Most CRT testers have three positions Also, picture -tube testing can be a pow- high dc voltage to that "plate." The re- for rejuvenation that we might call erful "psychological warfare" weapon sulting surge of emission will (we hope) "normal," "heavy duty" and "last re- with the customer. By ...
02 Aug 2014  -  115k
... TUBE the heater is inside this. After years of So we resort to more drastic measures. is the most important part of his TV use, all the "goody" is gone from the CRT testers now have a heater voltage set. It's the most expensive! So we need surface, so we get few electrons and a variable from 1.1 to 12. (Early models to know what's ... plate out of them, and feed a Most CRT testers have three positions Also, picture -tube testing can be a pow- high de voltage to that "plate." The re- for rejuvenation that we might call erful "psychological warfare" weapon sulting surge of emission will (we hope) "normal," "heavy duty" and "last re- with the customer. By ...
15 Jun 2018  -  182k
... TECHNOTES SENCORE CR -133 CRT TESTER My Sencore CR-133 CRT tester -rejuvenator stopped working in the REJUVENATE I and REJUVENATE 2 modes. All other functions were normal. At first, I thought that the last few tubes that I rejuvenated were simply too far gone for the first two rejuvenate positions to have an effect. But when the same thing happened on several tubes that still had a fair amount of ... left, I suddenly remembered that I had not noticed (in modes and 2) the usual blue flash in the 1 neck of the CRT. The tube heater brightened progressively as the function 3 -Way Combination switch was advanced from REJUVENATE I to 3. This showed that the voltage-boost part of the circuit was okay. The schematic showed that the only component not common to FREE SPACE STANDING WAVE the ...
03 Nov 2014  -  114k
... TELEVISION Now Completely SELF -CONTAINED For 4& Testing & `Rejuvenating BLACK and including AND WHITE COLOR 110 TUBES /F /$ /CRT 440 Fig. 2 -Dip at 1 was tunable by adjust- ing sound trap, but dip at 2 did not ® respond to any tuning adjustments. tionshi)) het awn do resistanee and ac CATHODE impedance. REJUVENATOR Case of the missing trap Another ... TELEVISION Now Completely SELF -CONTAINED For 4& Testing & `Rejuvenating BLACK and including AND WHITE COLOR 110 TUBES /F /$ /CRT 440 Fig. 2 -Dip at 1 was tunable by adjust- ing sound trap, but dip at 2 did not ® respond to any tuning adjustments. tionshi)) het awn do resistanee and ac CATHODE impedance. REJUVENATOR Case of the missing trap Another ...
15 Jun 2014  -  127k
... TELEVISION Now Completely SELF-CONTAINED For`esting & Rejuvenating a BLACK and including AND WHITE COLOR 110 TUBES my CRT 440 Fig.2-Dip at 1 was tunable by adjust- ing sound trap, but dip at 2 did not respond to any tuning adjustments. tionship between de resistance and ac CATHODE im pedance. REJUVENATOR Case of the missing trap Another instructive situation was en- TESTER countered while troubleshooting a re- ... TELEVISION Now Completely SELF-CONTAINED For`esting & Rejuvenating a BLACK and including AND WHITE COLOR 110 TUBES my CRT 440 Fig.2-Dip at 1 was tunable by adjust- ing sound trap, but dip at 2 did not respond to any tuning adjustments. tionship between de resistance and ac CATHODE im pedance. REJUVENATOR Case of the missing trap Another instructive situation was en- TESTER countered while troubleshooting a re- ...
15 Jun 2018  -  180k
... TEST INSTRUMENTS SQUARE - Now Completely SELF -CONTAINED For T esting & Rejuvenating LAW BLACK and AND WHITE COLOR of AUDIO MILLIVOLTMETER CRT 440 By RUFUS P. TURNER simple crystal meter circuit THE shown in the diagram gives full-scale deflection with only 100 mv rms input. The response is square -law. Input im- pedance is approximately 2,000 ohms at 1,000 cycles. This instrument may Used by Thousands of Professional ... TEST INSTRUMENTS SQUARE - Now Completely SELF -CONTAINED For T esting & Rejuvenating LAW BLACK and AND WHITE COLOR of AUDIO MILLIVOLTMETER CRT 440 By RUFUS P. TURNER simple crystal meter circuit THE shown in the diagram gives full-scale deflection with only 100 mv rms input. The response is square -law. Input im- pedance is approximately 2,000 ohms at 1,000 cycles. This instrument may Used by Thousands of Professional ...
07 Jul 2014  -  140k
... to the control grid of the first video if ampli- fier, injected signal and tried to get modulation bars in the picture tube. It didn't work. I noticed that with a low-amplitude AY CRT 440 signal, the audio portion of a broad- cast could be heard, though very dis- torted. The set has a Tv -PHONO SWITCH and with the switch in it PHONO posi- ... A curious trouble Now Completely SELF -CONTAINED THE complaint on a Hoffman Chassis Fort=Testing & Rejuvenating 175 was no sound or picture. The rectifier was good, so I checked tuner A and video if tubes -all were good. BLACK wed including AND WHITE COLOR 110 TUBES I connected the signal generator to the control grid of the first video if ampli- fier, injected signal and tried to ...
02 Aug 2014  -  143k
... TEST INSTRUMENTS Build This CRT TESTER and REJUVENATOR Inexpensive instrument reactivates picture tubes and indicates operating condition By JAMES V. CAVASENO WITH the prospect of color as follows: Set it up for test position so that it will work satisfactorily. This television staring them in the and plug in a new tube. Adjust the tester doesn't show any switching for a face many people will not pointer knob on R3 ... you read about short test. want to spend a lot of money 6.5 volts across the filaments of the If a short exists between filament and to repair old monochrome sets-espe- tube. Mark the position of the knob and cathode (a common condition) , there cially when it comes to buying a new the position of the meter needle at this RT SOCKET (TOP VIEW) picture tube. ...
02 Aug 2014  -  101k
... B & K 440 Cathode Rejuvenator Tester. Anchor Products T-470 CRT tester. draws a momentary emission current might be a fault of manufacture or Repairing inferelement shorts of very high density. This knocks con- caused by excess heat of operation. Note To repair a short, a momentary high tamination from the cathode surface that the CRT gun elements are warped current must be passed through the and allows ... B & K 440 Cathode Rejuvenator Tester. Anchor Products T-470 CRT tester. draws a momentary emission current might be a fault of manufacture or Repairing inferelement shorts of very high density. This knocks con- caused by excess heat of operation. Note To repair a short, a momentary high tamination from the cathode surface that the CRT gun elements are warped current must be passed through the and allows ...
07 Jul 2014  -  127k
... Radio E 1 ql, UNIVERSAL CRT ADAPTER UNIVERSAL CRT CRT Tester/Restorer/Rejuvenator Color CRT's. Color any ADAPTER-Use Tester Restorer Rejuvenator on CRT's. Use any Color CRT Use functions of from 9" to CRT from to 26 -Use any of your on all all 2500 your tester on including for- 26" , including for- SATELLITE TELEVISION RECEIVER I ! I I I It IJ L ... 1-1 L! i eign. Checks: Ouinirex, eign. Checks: Ouintrex, InLine, InLlne, Trinitrons,Tri- Trinitrons. Tri- SEMIKIT with dual conversion downcon- "I Features infrared remote verter. Features verter. control tun- remote control etc. Replaces over Potential, etc. Potential, Adapters & over 50 Adapters & ing, AFC, AFC. SAW filter, RF SAW filter ...
19 Dec 2015  -  99k
Result Pages: 1 2 3 4 5 6 7 8 9 10 11 Next >>
Do not link to search pages for Wikipedia citations. These pages are not static and change often.
On the list of search results the Issue Date "1951-01-17-BC-OCR-Page-0012" is the link to an issue containing your search terms ub YYYY-MM-DD and page order. Click on any link to view the actual page. Once you select an issue, you will quickly see the image of  just the single page where your search term appears.  If you want more context, view the entire issue from the issue listing page. 
The text you see in the search results may be inaccurate or garbled as Optical Character Recognition on old documents is not perfect, so try different keywords if you don't get the desired results. The text will be clearer in the full page view of the selected reference. The file linked to each search result is a fast-loading single page PDF and will be an image of the original where the search reference occurs. You will see a clear page just as published when you select any of the results. There are now 310,000 indexed pages so enjoy your exploring of radio's history!
You may view entire issues by selecting this magazine's page at the home page of this site.
If text is blurry, install Adobe Acrobat Reader for your device.