Search results

Search Forums New Posts
  1. 73's de Edd

    DC motor Speed Control with high current and potentiometer

    The MAGIC numbers not being given, are the maximum voltage involved and the maximum current. Without that info we cant ascertain if this is going to be a simple $20 build or will its complex power demands need $12,000.
  2. 73's de Edd

    Need help understanding this simple HD audio schematic (beginner)

    PRESENCE# . . . . . . . . . . . .Active low signal that signals BIOS that an Intel® HD Audio dongle is connected to the analog header.
  3. 73's de Edd

    Lcd computer monitor repair

    Sir Mr.fix it_101 . . . . . Soooooooo . . . how come you dont have it fixed yet ? . . . . .or does that 101 say it all ? Heeeeeeey . . . . I been to Jamaica . . . Mon We are about to the incoming state of helpful information of . . . . . " My car wont start. " We dont know the brand or...
  4. 73's de Edd

    Bypass motor on motor help

    . Sir bline22 . . . . . O.K. I am looking at the post #13 where you have the motor housing off . I see what looks to almost be a 100% intact brush in its holder, I am also expecting the opposite one being in the same pristine condition. You explained your top red box but left me hanging on...
  5. 73's de Edd

    rpm counter

    Sir tedstruk . . . . . Thats using a rom / mask programmed U/P with basic display orientation towards time info as HRS:MIN:SECS also ALPHANUMERIC DISPLAY and finally a counter capability of 999. All of these being separately partitioned, so I don't think you will be using this unit for what...
  6. 73's de Edd

    Marshall MA100C problem

    Sir Blackwellefty . . . . . HEY ! . . . .ya know whuts ? I keep a' seeing your very LOW voltage readings and think that you are STILL being in a diode testing . . . . . .frame . . . set of mind. In actuality, THAT is being a GEETAR amp and some units do use a standby switch to remove the...
  7. 73's de Edd

    Panasonic AG-1980 VCR won't play a tape... it just ejects it

    Sir syrist . . . . In my FURTHER encompassing, and expounding upon . . . . Sir Daves supplied . . . . ALSO if there is being TOO much ambient room lighting getting to those End Of Tape sensors, those sensors will be light flooded and the machine then erroneously THINKS, that an end of tape...
  8. 73's de Edd

    Understanding a circuit for serial communication - CRT monitor

    . Sir --james-- . . . . . WHASSAMATTAYOU . . . . . . .where you go o o o o o o ? I was expecting you to be back to this original post. Here you are drifting off to oher forums. . . . . . . oh behold ye of little faith . . . . Got your breadboard at the ready ? The dual diode on the board . ...
  9. 73's de Edd

    Connector identification 11615

    Thats definitely a specialized connector, that we all dont carry around spares of in our tool boxes and our parts bins are being stuffed with them. Two choices . . . . go to a dealership and have its parts counterman order you one. Go to an auto salvage and hope to find a used one to pull from...
  10. 73's de Edd

    Understanding a circuit for serial communication - CRT monitor

    So this monitor was being tucked away inside the display with the only function having to be responded to was its power on and power off, with no need for menu adjustments. I don't think that I ever ran into a LG monitor back in the CRT based display days. In the 1990's, I do believe that LG...
  11. 73's de Edd

    Bypass motor on motor help

    . Sir bline22 . . . . I think that you are doing G.R.E.A.A.A.T . Considering initially putting the case back on the motor. If you can get twelve volts from a car battery over to the motor RED terminal of the motor with the positive + terminal of the car battery. And then use the negative...
  12. 73's de Edd

    wireless car steering wheel buttons

    If indeed, you are truly [a total beginner] then that will definitely be . . . .when sparks fly.
  13. 73's de Edd

    Tektronix 2235 reduced horizontal sweep

    . Sir erdrd . . . . . A good check for connections itermittency is with repeated tappa-tappa-tappa from the plastic handle of a small screwdriver . . . .while you watch the display vewy-vewy carefully. 73s de Edd
  14. 73's de Edd

    Understanding a circuit for serial communication - CRT monitor

    Sir --james-- . . . . . You did not give me good enough non reflective photos of the board to be able to fully "read" it. But from what I can make out . . . . I see a pair of steering diodes and some resistor sets, maybe 2 transistors, along with associated switches. What I see being done is...
  15. 73's de Edd

    Help identify electronic components

    I did not NOT look up to see if the 114 has ohmmic nulling compensation. BUT if not . . . . . on reading LOOOW values like that in the future. Plug and unplug your probes into the meter. Clean the probe tips of all oxide . Then place in the low range ohms and short together your probe tips...
  16. 73's de Edd

    Marshall MA100C problem

    Sir Blackwellefty . . . . . . OK on the meter . . . it should absolutely more than is required to accomplish all of your needs. I am expecting it to already be set up with its : BLACK TEST LEAD in bottom center terminal. RED TEST LEAD in right bottom terminal. METER FUNCTION one click...
  17. 73's de Edd

    Old expired '83 brain needs rework

    Sir tedstruk . . . . . . . Modus operandus . . . . .simplus . . . . .evaluatum Initial consideration, that the unit is all intact with its wiring and TIC components and out in the garage / shop and otherwise . . .its being all ready to run. AND that you have a HOT battery. Pull all four plugs...
  18. 73's de Edd

    How connect AC motor to mains?

    Sir Curioushuman . . . . . . . First is there any rotary drag of the motor shaft due to deteriorated lube problems. Your HOT AC line goes to black and stays there . The other AC line can be tried EXCLUSIVELY, only to blue or yellow or white. Try a SMART finger spinning on each speed at start...
  19. 73's de Edd

    I need help indentifying a component for an old CRT TV

    I feel sure that the marked up capacitors were just the markings of the .Q.C.. Inspector . The identified transformer is the MAIN SMPS transformer of the unit with multi outputs. The barely visible smaller one of T6601, is the units standby / keep alive SMPS supply. I can fill in, as the...
  20. 73's de Edd

    How does this cable connect exactly?

    Looks like all is well with the COPPER colored stranded wire, but the BLUE stranded wire looks to have broken and pulled up within its secondary, clear colored insulative shell. That leaves a pulled up BLUE stranded wire set within the clear insulative shell. I would say that if you might go up...
Top