Need schematic for old (antique?) Bell & Howell / DeVry Electro Lab Design Console

Discussion in 'Electronics Resources' started by Ms. Robin Adair, Feb 13, 2015.

  1. Ms. Robin Adair

    Thread Starter New Member

    Feb 13, 2015
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    Hoping to find (have someone who will/can e-mail a scan) the schematic for an OLD, probably antique Bell & Howell / DeVry Electronics Lab Design Console.

    There had been a prior post/thread http://forum.allaboutcircuits.com/threads/electro-lab-reference.85171/, but did not see a (any) reply. I would rather be able to check / double check parts - circuits PRIOR to powering up.

    I will be glad to send a picture if it helps. A sloped panel with binding posts etc. at the top (highest portion) and controls on the lower (closest to operator) portion. Sloped sides are blue metal and the upper center area is black plastic 'peg board'. LOL, I still have the white plastic wiring connectors which go in the peg board.

    Odds are somewhere I still have the assembly - operation manual but to date have NOT found it.

    Not sure if including my e-mail address is 'allowed' (didn't see/find it in the TOS). I would prefer a scanned copy vs. paper copy, but if you cannot scan, please let me know. E-mail <SNIP>

    THANKS for any 'n ALL help!

    Ms. Robin Adair

    Moderators note: removed email to protect you from spambots
     
    Last edited by a moderator: Feb 13, 2015
  2. bertus

    Administrator

    Apr 5, 2008
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  3. Ms. Robin Adair

    Thread Starter New Member

    Feb 13, 2015
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    Either it is or it is it's twin! Mine is dusty (okay DIRTY) so I did NOT want to take a picture (unless I cleaned it first).

    Might you have a scan (file - either .jpg or .pdf) the manual / schematic?

    Any 'n ALL help will be appreciated!

    THANKS

    Be WELL 'n be SAFE!

    Robin
     
  4. bertus

    Administrator

    Apr 5, 2008
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    Hello,

    I do not have the schematic.
    As you can see there are connectors with all kind of voltages next to them.
    You can measure those voltages with a multimeter.

    Bertus
     
  5. Ms. Robin Adair

    Thread Starter New Member

    Feb 13, 2015
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    Yes, thank you I know that. I have been an electronic technician and even owned my own (not always an indication of intelligence LOL) for over 23 years.

    I need the schematic. If a voltage is not present do I have the equipment and skill to trace backward and hopefully find what is wrong? I HOPE so. Do I have the time? Am I willing to take the time if a schematic etc. is available?

    Thanks for the pictures.

    Be WELL 'n be SAFE!

    Robin
     
  6. bertus

    Administrator

    Apr 5, 2008
    15,646
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    Hello,

    When a voltage is not present, you could always open the equipment, when it is unpowered and post some pictures of the inner works.

    Bertus
     
  7. Ms. Robin Adair

    Thread Starter New Member

    Feb 13, 2015
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    Bertus,

    Thanks for the above input - thoughts. Possibly I have posted to/on the WRONG forum? Unless you have or know of a person who has the requested schematic(s), I do NOT have time nor am I inclined to observations - suggestions such as the preceding one. Thanks for trying to be helpful.

    Please do not be offended if I do not respond to further suggestions / ideas that do not include the requested information.

    Be WELL 'n be SAFE!

    Ms. Robin Adair
     
  8. paulktreg

    Distinguished Member

    Jun 2, 2008
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    So....
    The schematic is probably not available?
    (What have you owned for over 23 years?)
    If you're not willing to spend time to fault find without schematic then throw it in the bin otherwise stay with the members of the forum and they will help.
     
  9. BR-549

    Well-Known Member

    Sep 22, 2013
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    If you don't have any luck.....I'll take it.
     
  10. Rich Brockmeier

    New Member

    Mar 21, 2015
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    I have one of these consoles and use it to teach basic electricity in a local after school program. Fortunately, I am a pack rat and still have the assembly manual. I've attached a scan of the schematic for your use.
     
  11. Ms. Robin Adair

    Thread Starter New Member

    Feb 13, 2015
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    Rich,

    WOW, 'n THANK you!

    I'm still sure I have the manual in some storage space / file cabinet, but I'm sorta anxious about spending the time looking not to mention trepidations about what else I may find. (if ya know what I mean).

    Your contribution - providing the schematic is SO much 'nicer' and more positive/affirming than some of the earlier replies / responses.

    At the risk of sounding ungrateful, might you have MORE the booklet scanned / in a file? If, so I'd gladly contribute - pay any reasonable amount for your going to the trouble of finding and sending it. EITHER way, again, THANK YOU!

    Ms. Robin Adair
     
  12. Rich Brockmeier

    New Member

    Mar 21, 2015
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    This is the rest of section 4 with the circuit descriptions and troubleshooting. The first 3 sections are the step by step construction, which aren't of much use once the unit is assembled.
    After trying to post this, I found the file is too large to be accepted. (24Meg)
     
    Last edited: Mar 22, 2015
  13. Rich Brockmeier

    New Member

    Mar 21, 2015
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  14. Ms. Robin Adair

    Thread Starter New Member

    Feb 13, 2015
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    Rich,

    As before, THANK you. Now that you have been kind enough to share the info, I will NOT be surprised if I don't find the complete manual any day now. REALLY appreciate your following through!

    Be WELL 'n be SAFE!

    Ms. Robin Adair
     
  15. LLang

    New Member

    Feb 17, 2016
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  16. LLang

    New Member

    Feb 17, 2016
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    Hello Ms Robin Adair,
    In 1971, I took the Bell & Howell Schools/DeVry Home Entertainment Course with Color TV set. As part of that course, I got to build a multimeter, an O'Scope, and a 25" color TV set. I still have the multimeter and wondered if you may interested in having it. It is an analog meter that requires two different batteries. One for the meter movement and one for the electronics. I kept all of the documentation for the course for many years then finally got rid of it. I cannot remember if there was a console with this course. I do remember having an electronics console that I purchased from Heatthkit to learn microprocessors but do not have that any longer either. You can contact me at <snipped email address>
    Mod edit: please do not post email addresses/phone numbers. You may contact members via PM.
     
    Last edited by a moderator: Feb 17, 2016
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