Eico 667 dynamic conductance tube and transistor tester tube testers were a part of most every tv and radio service persons tool kit. Eico 667 tube tester eico 667 tube tester 600a receiver tv ham radio bin d5 solid state tube tester jackson dynamic tube charts dynaquik tube tester 667 tube tester heathkit tc2 accurate instrument tube tester model. Eico 666 tube tester manual download read online eico. This meter was revolutionary at the time because it could measure peak to peak instead of rms ac voltage and its high input impedance, 11 meg dc and 10 meg ac, did not load down the circuit you were measuring. The transconductance test is somewhat similar to a mutual conductance tester but uses ac voltages instead of dc and does not provide a direct gm reading in micromhos.
If you are not careful and cross check the settings with a tube manual, you can. A possible online source for schematics or manuals is the boat anchor manual archive or bama site. Eico model 232 vacuum tube volt meter restoration radio. Service manuals, schematics, eproms for electrical technicians. For sale is reprint of eico model 221 vacuum tube voltohm meter manual. If you own an eico 667 dynamic conductance tube tester and. Eico 667 dynamic conductance tube and transistor tester. Eico 667 tube and transistor tester in operation duration. Tube and transistor tester 667 equipment eico electronic instrument co. Meter repair to these old meters carries some risk. You are suppose to toggle all switches, one at a time, to each of the three positions and look for short light.
If you have documentation to contribute, please do so. Eico 667 tube tester service and calibration duration. If you cant find a manual please do not contact us, all the manuals we have are online. Antique radio forums view topic eico 667 tube tester. Tube and transistor tester 667 equipment eico electronic. Meter repair will only be attempted with the prior approval of the customer. If you own an eico 667 dynamic conductance tube tester and you frequently encounter older 4, 5, 6, and 7pin tubes, you probably wish you owned either the eico 615 adapter, or the eico 666 tube tester. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Eico 667 tube tester eico 667 tube tester 600a receiver tv ham radio bin d5 solid state tube tester jackson dynamic tube charts dynaquik tube tester 667 tube tester heathkit tc2 accurate instrument tube tester model hickok 600a tube tester dyna quik 600a tube tester receiver tv radio bin d4 vacuum tube tester checker hickok 600a eico 625 emc tube tube. Use appropriate care to avoid contact with all voltage points, especially when servicing the unit. The following tube tester manuals, operating instructions, and tube test data are available for download. Eico 667 instruction manual service manual download.
Hickok test instruments free manuals, tube data, and schematics. Get the best deal for eico vacuum tube testers from the largest. Eico 667 dynamic conductance vacuum tube tester tested working. Ronald reeland eico 666 function trace scans eico 666667 circuit tracings. Here is the schematic and a few troubleshooting tips for the eico 667. Cheat sheet for the eico 666 satans choice and 667 tube testers dynamic conductance testers hi altitude overview things you should understand. Some meters are in such poor condition internally that attempted repairs can render the meter unusable. Two of the most recent tube charts are included, 7712 and this is a bound and printed copy of the eico 667 manual with tube charts.
If you are planning to restore your 667 to peak operating condition, here are a few pointers replace the selenium diodes cr1 and cr2. It is very similar to the 666, except now there are a pair of extra levers, and a few test sockets are missing. View and download eico 667 instruction manual online. But nowhere have i found where to download or buy it. We have 1 eico 667 manual available for free pdf download. The original data would produce a plate current of over 100 ma. Instruction manual eico 667 instruction manual 29 pages. These were extremely useful for identifying a bad or weak tube and was a better option than simply swapping tubes over and over. I have collected these over many years and they are available for you to download. When this chart is used in conjunction with the master chart it will form a complete and accurate chart of settings, so you still need to use the original master chart. Line description the model 628 tube tester was designed for simplicity and ease of operation, with builtin circuit flexibility to guard against obsolescence.
I still think of the model 666 and the model 667 as pretty much the same tube tester. Buying, restoring and calibrating the eico 666667 tube tester by mike at. Assembly instructions for eico 666 and manual for 610a. The eico model 232 peak to peak vtvm vacuum tube volt meter was first introduced in 1954 both as a kit and a complete unit.
However, i thought completely detailed schematics of each test function would contribute to an improved comprehension of. The eico is a descent tester but not mutual conductance which is very important for tube testing. Eico kits, pictures, specifications, diagrams, schematics. Antique radio forums view topic eico 667, how good is it. Tube testers operate at high voltages that may be accessible to the operator.
The 667 05 is the latest supplement that i know of. Triplett 3444 and 3444a tube tester instruction manuals with schematics and parts list adobe pdf files triplett 3444 instruction manualschematic. The early large pin tubes can also be tested as they are included on the roll chart and included in the test setup book. Eico list server a mail list server dedicated to eico products is available for general use. The eico 666 and 667 tube tester manuals provide a very helpful circuit description and partial schematic to assist in understanding the various functions of the instrument. The eico 625 is not a top of the line tester but it does basic tests and will let you know if a tube is functioning and an idea of the life left in it. And when you click on the file or icon it will count as a download. In this video we check out and begin to repair an eico 628 emissions tester.
It is very similar to the 666, i picked up an eico 667 tube tester today for the princely sum of. Nolan lees tube tester page military tube tester data and information. Although the 666 or 667 will indeed tell you if a tube is good or bad and surfice for normal tube testing here and there. Here it is, in a very large but easytoread 150k gif file. Tube testers eico 667 tube tester the trout underground. This is a bound and printed copy of the eico 667 manual with tube charts. Eico edebris eico 9 5 9 7 but site is back up now this is the bama archive these manuals are available for download and 635 666 667 667 2 706 710 717 720 722.
In the process of finding issues, we also describe the interpretation. Brooklyn, build 1965, 7 pictures, 1 schematics, united states of america, tubes. Mobile is correct i own a 667 eico and it sits in the corner unused i use a hickok and wouldnt suggest anything else. Numerous errors that wereare present on the rollchart have been corrected. There are twoat least sets of test data for the number 80 rectifier tube. Eico 667 tube tester operating instructions with schematic and tube setup data87 pages.
Here is the schematic from the eico 667 tube tester. This site helps you to save the earth from electronic waste. Greetings, im trying to make sense of my newly acquired eico 667 tube tester. The seller advised me to read through the manual before testing any tubes and to make sure i do not perform a merit test if the tubes do not pass the leakage testes. The test provides the merit of the tube under test with a percentage reading of the. Apparently the 666 and 667 manuals are easily available online, but the 667 manual is without the schematic. Eico 666667 tube tester tubedata sm service manual. Eico diagrams, schematics and service manuals download for free. Tube data for eico model 667 tube tester roll chart pdf 4. Manual for the eico 667 tube tester and the master setting chart. Antique radio forums view topic eico 667 charts again. Whether the tester hums or not,depends on how much of a plate current load is being put on the power transformer. Its emphasis is on amateur radio but other topics do get discussed.
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