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  1. 73's de Edd

    short caps of electrolytics fault goes

    Sir looxuser . . . . . Was gonna help you out, but found an IMMEDIATE discrepancy in your post # 11 schematic . The NJM2073 seems to be a low powered consumer device, audio amplifier. that can handle 1 or 2 audio sources to a spkr (s). This being in accordance to its wire up. Your 2073 pin...
  2. 73's de Edd

    Sogo jpn-650 circuit not working

    Sir irfan490 Now I know what a . . . . . SOGO Rechargeable Fan Model: JPN-650R – 180° oscillating table fan – LED night light – 2X6V 4500mAH Rechargeable Battery – 24 speed function – 1-12 hour timer is . . . . . after seeing . . . . https://fb.watch/kVELSNd7JA/ Initial exploratory...
  3. 73's de Edd

    Identify 1960's Diode Manufacturer By Logo?

    And so I said to myself . . . . . . .MYSELF ! . . . . . that certainly looks like an old 50-60's vintage Hoffman Erect-ronics unit ! Viz . . . I particularly remember them as being very big on first generation zener diodes. BTW . . . . . Transitron for your other 2 diodes . . . . .
  4. 73's de Edd

    repair Tribest Sedona SD-P9000 dehydrator -- low DC voltage from power board: maybe rectifiers or caps?

    Sir phillipssf . . . . . Initially why don't you refer to post # 15 for referencing and take a voltmeter, placed in its DC volts test position, and connect its neg lead to pictures extreme right corners Item 3 E-caps bottom right neg terminal . . .really stab it and firmly hold it into the...
  5. 73's de Edd

    Comedy Thread

    My current bench project . . . . .
  6. 73's de Edd

    Comedy Thread

  7. 73's de Edd

    Tacx T2240 turbo trainer - blown resistor

    WHUT you talkin' 'bout Willis ? ? ? ? () Sir Bertis . . . . . That is WHY I went to the EXTREMES of specifying DECIMAL 22 ohms instead of a tiny period 22 ohms, since that small dot might be overlooked. But the wee small tail of your EURO comma, being used, might show up a wee bit...
  8. 73's de Edd

    Tacx T2240 turbo trainer - blown resistor

    Sir louisjvr . . . . . If its OPEN . . . . .you have another serious component PROBLEM that caused it . . . .which you need to isolate, before power up. Additionally . . . . . . Sir Spikey . . . You may have it now, but in referring to your posts of Nov 14 2022 + Nov 12 2022 Post # 9...
  9. 73's de Edd

    Door King 1830-01 POTS telephone hum prevents data send/receive.

    Sir fred3 . . . . . BEFORE blowing an exploratory $80.00 + pig-in-a-poke ? (Plus there is a CHEAPER alternative for that isolation transformer if . . .IF . . . IF even needed PLUS initially troubleshoot . . .thusly . . . . . CHECK YOUR UNIT FOR THESE COMPARATIVE ASPECTS . . . . . Photo 1...
  10. 73's de Edd

    Comedy Thread

    I wonder what the overall clawing / vs / gnawing ratio was ? . . . . . . . with a bit of relaxing head and neck rubbing being thrown in.
  11. 73's de Edd

    clock movement battery

    is there any way to tell a Shottkey diode from a non-Shottkey? Pull out ye olde tyme digital Dee Vee Emm and place it in its DIODE test mode. Place the meter probes across the diode and observe the forward voltage drop of that diode that will be a read out in millivolts, if no luck in...
  12. 73's de Edd

    Circuit from "Watch Winder" doesn't turn on the motors.

    Sir KetchupSeed . . . . . . . . . . . . .(In actuality . . . . .' mater seed . . . . .since you can't grow "ketchups" and harvest their seeds. . . . . . UNLESS you gazed upon the table top and done went and " seed " a bottle of ketchup . . . . . . a sittin' thar. ) Here are my observations...
  13. 73's de Edd

    Modding a lamp

    Sir cards 1 . . . . . I was alerted earlier that a post response had been added here . . . . . . . . now for my continuance . . . . . . . . since it seems that your CARE package of parts is now here. . . .a la " (hey, i tried to do your method but it didnt worked, i think my soldering skills...
  14. 73's de Edd

    Peterson 520 strobe tuner

    Sir Cdavis . . . . . . Does your unit presently have a problem-quirk . . . . . . needing to be fixed ? Or is this just for prepping for future repair situations ? If techno referencing is needed for repairs . . . or + our tutelage . . . ...
  15. 73's de Edd

    HP 1707B Horizontal deflection issue

    Sir jdmaker . . . . . Eeeeeeeeeew . . . . . 'dat do be one old Hoooooolet Plastered . . . . . circa . . . . .early '70ish. . . . . . .BUT . . . I still have a 1740 and an even older 130 rack mount, that I still can use. Looks like you need to check the incoming voltages at the VIOLET amd...
  16. 73's de Edd

    Studiomaster Mixdown Classic 8 Console Problem

    Sir apauly . . . . . Conn 7 is a minor consequence . . . . input. The main one is Conn 9, and if it was left unplugged at power up, I can see no adverse consequences, with it being in an un powered state for that power on duration. I was interpreting pins being pulled out of a connector and...
  17. 73's de Edd

    Studiomaster Mixdown Classic 8 Console Problem

    Sir apauly . . . . . You say . . . . . I accidentally pulled some multipins in the midi section and placed them back where I *thought* they went. I consulted the service manual and I think everything looks right (there are some open pins). the resultant adverse affects were . . . . Well, the...
  18. 73's de Edd

    Modding a lamp

    YOU SAY . . . it will probably take close to a month to arrive I have no idea of your location . . . . .¿ ¿ ¿ ¿ are we located in some obscure and remote 1869th World country ? ? ? ? Do you not have knowledge of any/ some LOCAL person who is an electronics hobbyist and has some related...
  19. 73's de Edd

    Sentrysafe

    https://www.amazon.com/Sets-2-5-4-Connector-200mm-Female/dp/B01DUC1S14/ref=sr_1_3?content-id=amzn1.sym.9575273b-ecd8-4648-9bf0-15f20c657e0a&keywords=jst+xh+4+pin&pd_rd_r=c50a9a9b-bd99-4fc1-aa4d-47b31625eb12&pd_rd_w=3r97m&pd_rd_wg=GAAVN&pf_rd_p=9575273b-ecd8-4648-9bf0-15f20c657e0a&pf_rd_r=P945KEEE...
  20. 73's de Edd

    Help: Upgrade Laptop soldered RAM

    Scroll on down to the appropriate MBO. https://h30434.www3.hp.com/t5/Notebook-Hardware-and-Upgrade-Questions/Envy-X360-13-Upgrade-RAM/td-p/7361728 I have the tools and experience *** soldering *** 8 packages, all in butt to butt CLOSE PROXIMITY spacing and their combined 96 X 8 = 768...
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