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  1. 73's de Edd

    Whirlpool L1373 repair attempt

    Sir Maxwell . . . . . . . Here it is . . . .motor control . . . .complete from head to tail. Can we assume that your last mentioned resistor quandry was being R833 ? Check when having one lead swung out of circuit. CIRCUIT SYNOPSIS: 73's de Edd
  2. 73's de Edd

    Need Help regarding Yamaha RXV371. No Sound Output

    Sir . . . . .Hemant Choudhary . . . . . . . Dust covers off ? And are you to pages 81-82-83 of the schematics and have you located the: STK433-130 STK433-330 Pair . . . . both on the schematic and physically on the chassis ? 73's de Edd
  3. 73's de Edd

    Da sander blowing fuses ?

    . Sir Ajpepe72 . . . . . If you were Amerikanski . . . .that appears to be about #18 AWG . . . . but You-are-a-peein's have to convert to metric millipeters. You will come out WAYYYY ahead of 20 pounds for a new unit. IF being a transformer or particularly a motor re winding shop, I feel...
  4. 73's de Edd

    Capacitor charging

    . Sir Mark34 . . . . . . . Incorporating that final bit of info that you gleaned from the interconnect wiring of the power transformer of that unit. We now can come up with: Your revelation of the difference in the output of the unit while dumping into the somewhat lossy...
  5. 73's de Edd

    Technics SA-828 Receiver from 70s- Is it worth trying to save this aging patient?

    . Sir darryl603 Good show ! . . . . . . on the successful burn in time . . . . . . . . . Considering that I am not misreading Q706 for Q708 on a blurry small schematic page. Q708 is the series pass transistor of a 12 supply which later subdivides to a 5V supply and a mere cursory look...
  6. 73's de Edd

    Sony HT amplifier/receiver repair

    Sir onedog . . . Why 'soitanly . . .as per the suggestions . You said above : Now to me that reads as -8.1 mv . . .considering you being on the 200 mv range. Thereby that would be no problem. THEN the statement : Would be indicative of a serious problem, internally of those two I.C.'s...
  7. 73's de Edd

    Da sander blowing fuses ?

    . Sir Ajpepe72 . . . . . . . How about that units brand and model. By its better than usual internal construction It it looks a MILWAUKEE red case , but it might just be a clone. The brushes on that unit look like they have merely worn down ~ 15 % with 85% left to go. That is a toroidal...
  8. 73's de Edd

    Apex le40d5 aspect ratio

    Sir Robert andrews. . . . . . . ON the older CRT based TV's there were definitely trimming adjustments to set the scanned width and height, where you just set them for a just wide enough picture, You set for a purposeful, very SLIGHT 1/2 in overscan. Then, came along the utilization of...
  9. 73's de Edd

    Connecting wires

    Sir kaspis24 . . . . . OK . . .with those limitations fully noted, yet with consideration of a fully professional, resultant look. Use yourself a 4 section EURO style terminal block. Typically available from a FULL service hardware store or automotive supply. Considering that you had done...
  10. 73's de Edd

    Connecting wires

    Sir kaspis24 . . . . . I can't see your total wire length that is being available. If you have minimal wire length available, and then have to keep all splices lateral; to each other, the combined wirings developed pod will be slightly sizeable . . .ergo . . . "pod".. Since you will need...
  11. 73's de Edd

    Vintage GE clock radio will not Power on fully

    . Sir lexmarks567 . . . . . GR---eeeeeeeee-at ! . . . . it looks like those 3 transistors are O.K then.. Next test is in a no power applied situation where you see the three electrolytics on that board. Note their ground hash markings on the side . . .I am mostly curious about the very...
  12. 73's de Edd

    Spray to clean corrsion from a PCB?

    . Sir Rob . . . . . From WHAT I am seeing at top terminal, third from left, I am thinking that only a sharp tipped dental tool or scribe, used to laboriously scrape ALL of that hardened deteris completely off , down to bare metal again, will satisfactorily correct its current dismal condition...
  13. 73's de Edd

    Vintage GE clock radio will not Power on fully

    . lSir lexmarks567 . . . . . .I also have one of those older . . . Gently Electrified . . . clock radios. Further check the very front's top corners . . . . and possibly expect a model number of 7-2643 in your case,any very final Alfa suffix is usually related to the colorization or...
  14. 73's de Edd

    Intercom replacement questions.

    Sir zrkd51 . . . . . . . One of your better pictures, reveals the height of the BLUE JIWANE . . .and it seems inadequate for that unit to be a relay . . .along with it being assigned a SW marking . Now confirming, that you have the weight of the headset in cradle, being responsible for one...
  15. 73's de Edd

    How to remove solder from plated-through holes?

    Sires . . . . . . . Soldering pot . . . SOLDERING POT ? . . . . . what is a a soldering pot ? Oh, yes, now I remember, that's the DRAKE unit that I gradually stopped using, about 1956. Ye olde tyme DRAKE " solder crock pot " . . .circa 1948 Wire gauge and components became...
  16. 73's de Edd

    Help wanted on EL34 and 12AX7 tubes

    . Sir usalabs . . . . . (All right . . . . some "modifier" doesn't seem to like my attention rising "RED" highlighting of quotes so " get yourself some of that" . . . . '.tater chip . . . . . . . . . local personal friend.) Well looks like only HALF of a PROPER repair job is done,so...
  17. 73's de Edd

    Intercom replacement questions.

    Sir zrkd51 . . . . . . . GREAT supplemental info aspects . . .solving the simple phone vice intercom situation, with standard phone wire coding and the speaker and electret microphone installed at the extremes of the handset. Will analyze further tomorrow. BTW what was the type of problem...
  18. 73's de Edd

    I have a manual battery charger quit working

    Sir Michael Parkman . . . . . With your mention of somewhat of an extended use time. With the unit unplugged, check my two wires at the pointers that go to a thermal temp switch mounted against the power transformer core. There is ALSO the thermomechanical switch which makes a noise . . .not...
  19. 73's de Edd

    Intercom replacement questions.

    Sir zrkd51 . . . . . . . Myriads of ?'s arising . . . now querying for others thoughts . No intercom CONSTRUCTION being involved at all, on this board. So any intercom aspect must be all located at the main unit, with this unit only having a speaker that also doubles as an...
  20. 73's de Edd

    Sony HT amplifier/receiver repair

    Sir onedog . . . Well the bad news is that Drop Box has already dropped your Sunny schematic / manual.. But the good news was that I was able to glean that info at that time, direct from the schematic. Since Drop Box wanted the additional hassle of signing up, in order to be able to...
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