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  1. 73's de Edd

    Universal series motor reversal question

    . Sir mooseboi . . . . . . Seems like you have the DC aspect mastered, but from the AC aspect: Mechanically, if you are wanting a one time transition of motor run direction, if you have a symmetrical dual shaft motor you can reverse by merely dropping both end coverplates and inverting...
  2. 73's de Edd

    Need to replace DC gearmotor with a stepper one

    OK then . . . . .how about a timer to power up the system only in incremental time slots. The use of a photo cell to initially detect valid sun presence and then the timer only supplies power every 15 minute period, needing JUST AN INITIAL 15 second servo micro tracking correction, then no...
  3. 73's de Edd

    Need to replace DC gearmotor with a stepper one

    Recheck above . . . .as I might have been prepping that drawing and adding on, in the time interim.
  4. 73's de Edd

    Need to replace DC gearmotor with a stepper one

    . Sir frazelle09 . . . . . . . . First of all . . . . for mere simplification of the problem . . . . Did you utilize. light restricting, long flat black light tubes to channel in your sampled light source . . . .thereby eliminating your "getting confused by stray light from...
  5. 73's de Edd

    80V

    Sir stari . . . . . . . Initially perceived as . . . . . . the acquisition of power for the activation of an 80 volt 5 ma stepper . . . . . by utilizing and upverting from a 3.6V lithium cell power source ? . . . . . . . stage 7 ESP . . . . . . being utilized . . . . . . 73's de Edd
  6. 73's de Edd

    Help wiring DPST Switch

    Sir Chris Bargman . . . . . . . "Although you could still use the switch for 12v. It will not operate the light." Leaving the . . . . . . illimination at a 12VDC level . . . . . . still withstanding Thereby: 1 . . . . . Needing to return and get the PROPER unit with its design...
  7. 73's de Edd

    Simple Conversion from Battery to Plug-In

    . Sir Bluewaterpig . . . . . . . Looks like you just have yourself a little "Annie Fannie" there. Which would just be as simple as initially inserting DC metering in its DC current mode across those switch contacts to see what its running speed current consumption is. Then you hop on down...
  8. 73's de Edd

    help in fixing national panasonic stereo model RX - F80 - 2

    . Sir pharaon . . . . . . . "thanks alot" . . . . . ..which I hope is meaning . . . . .IT WORKS ! ! ! ! Any chance that the tape player is also working now ? If being my job . . . . for my final test . . . .I would have series inserted DC current metering . . .initially placed in its...
  9. 73's de Edd

    Pioneer PDP-505HDG connecting with modern technology

    . Viv . . . . . Why 'soitanly . . . .didn't you read your units manuals, as it shows how to use either an Xbox 360 Component HD AV Cable that branches out to RCA audio and video cables . or even a SVHS video output option. For the Nintendo Wii . . . . .it also will take a Component HD AV...
  10. 73's de Edd

    Substitute transistor.

    . Sir Sureshot . . . . . . . I always used to utilize a TO-66 cased 2N3054 in those regulator strings as the first driver, and the little brother of TO-3 cased 3055's.. The specified BD131 specs out with: Collector to base voltage 70V Max collector current 3A Power dissipation 11W Beta...
  11. 73's de Edd

    Identifying a component

    . Sinewave . . . . . 10 micro henry 5% tolerance 73's de Edd
  12. 73's de Edd

    Trap Door Project: DC BATTERY BACKUP for 12VDC Linear Actuator

    . Sir mjosbesh. . . . . . . Since you are so big on the "hiding" aspect I will throw in a "hidden" tidbit for you . I once limited access to an area of mine with a door, wherein I had its trim nailed on with multiple common 10 # box nails. The "critical" nail was being placed at about...
  13. 73's de Edd

    Amplifier Repair - electrolytic capacitors expose metal top?

    . Sir looxuser . . . . . . . . . . Since you initially used a "high density" temporary storage site for your initial posting of this units schematic, can you do it again, as apparently we are using schematics with a bit of discrepancy of assigned component identifier numbers . Naturally the...
  14. 73's de Edd

    What the heck is this thing?!

    Sir Pharaday . . . . . . I don't think that it will be of any use to you , since it uses moderately high . . . .2-8KV , and 8-12 KV voltages applied on parts of it. Functionally, it takes a single supply and provides 3 adjustable outputs from the three pots across the top. Another supply...
  15. 73's de Edd

    Need help for my Panasonic SA-AK88

    . Sir Carl_0201 . . . . . . Since your center speaker IS working and it is also receiving its audio signal from the same GIANT power amp IC 500 on the main board, it seems like that whole unit might not be at fault. If that unit has been played at sustained LOUD levels, it is possible for...
  16. 73's de Edd

    PLease help usa GE walk dont walk timer/sign repair/use????????

    . Sir supermotolew . . . . . . Points of interest on another persons photo of that board: I'll just dupe and mark up his board. I'm seeing the Raw AC line input at my top left corner WHITE rectangle where power is routed down to the optional activation of the formed LED clusters for...
  17. 73's de Edd

    Need help for my Panasonic SA-AK88

    . Sir Carl_0201 . . . . . . Think that you are techniucally astute enough to track down your problem ? Thats being one cramped and compact hunk of electronics . . . . . .100 Watts per channel . . .babycakes. Beginner tests would be to see if the audio disruption noises are possibly ALSO...
  18. 73's de Edd

    Timed Power Socket

    . Sir Ezekiel . . . . . Preamble . . . . Sometimes back you were trying to figure out a Belkin AC wall timer of yours. I had started my reply for you, with the creation of a 1:1 front / back PCB illustration. Then, after my "reading" and fully analyzing its on board circuitry, I was...
  19. 73's de Edd

    PLease help usa GE walk dont walk timer/sign repair/use????????

    . Sir supermotolew . . . . . Years ago I talked an installation crew out of one of those which was highly damaged by a car knocking down its pole . . I just wanted to harvest its HIGH intensity LEDS but its other parts were also pulled and saved. Yes, they do use small SMPS's on board...
  20. 73's de Edd

    Akai S1100 sampler ...bad capacitors?

    A continuance . . . . . My "window" of access to edit had transpired after I had added "The . . . . and left it alone too long . . . . . before adding to it . . . . . The tonal response fallacy, if being concurrent with a gradual decline of an electrolytric capacitors capacitance value...
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