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  1. 73's de Edd

    What is this component?

    Sir Jared . . . . . Yep its a PT6112 . . . .in a SOT 23-5 casing configuration. Its what makes that lil' puppy work. Confirm your 5---7 DC input at pin 4 over to pin 2 for a ground referencing. Then move + probe over to 3 to see if you have a Dee Cee output for the Li Ion battery ? A Da-Da...
  2. 73's de Edd

    What is this

    Sir NoClue . . . . . . . . . . . . . . .but now . . . . . with a few more clues . Reading Remonco International also . . . . on this end . . . .NOT to be confused with RONCO.. Two power supplies feeding two banks of 15 of these units. The boards . . .possibly being video/data activity...
  3. 73's de Edd

    Power Supply Help

    Sir USER1. . . . . . I am seeing the tape covered terminals with the far right ends being the AC input Then A.C. power comes in thru the now confirmed line surge thermistor and also passes thru the A.C. line fuse. . . .Did it ever blow ? . . . .should have. . . .to have that line thermistor...
  4. 73's de Edd

    Circuit diagrams of TORO DDC-4

    Mme zulu . . . . . . . I just saw that the zener was just being against the HOT running R5 resistor and thought it might justify a checking out. It is only associated with the derived DC power supply of the 24VAC supply line. You would have to confirm it, with a power down testing, but I...
  5. 73's de Edd

    JVC AX-R551X PROBLEM

    . Sir Constantine . . . . What is the present audio signal sourced from ? No idea. I have nothing connected on the inputs. Ohhhhhh . . . . then I guess that I had better go back to my very first suspicion. That some loss of, or deterioration of power supply filtering, has let that mystery...
  6. 73's de Edd

    Convert a 6 volt to 12 volt on my motor cycle . Any ideas how that's done

    Mo' "Motocycle" Musings . . . . . (I duz knoes hows to spels) AN ANALYTICAL EVALUATION: The left windings of that magneto is associated with the electronic ignition. It being variable frequency AC and is DC converted within the ignition module. Part of the magnetos right half windings are...
  7. 73's de Edd

    Power supply dead Humax Freeview F2-Fox-T board

    SIr Marty Fox . . . . . . . Indeed . . . .how could you be so lucky, as to have a working unit AND a test bed to compare against ! TESTING: Looks like the situation now, just might be the test methodology used. If you just plopped two power supply's down, side by side, is there a...
  8. 73's de Edd

    Pcb trace help

    EXACTAMENTE . . . . . . Sir Chris . . . .one gets set in their ways . . . .in mostly seeing the former in their dealings. Now just rely heavily on finding that resistor / pair set. Also, just perchance, that this unit is using the popular ST72681 flash microcontroller of past years, It's...
  9. 73's de Edd

    Pcb trace help

    Sir Hemsee. . . . . . . The lighting still did not permit our seeing the dedicated uP/interface chip number on the black square 48 pin device. However, on your USB connector proper #1 VCC #2 Tx data #3 Rx data #4 ground Usually there are low value series resistors from the USB connector...
  10. 73's de Edd

    Convert a 6 volt to 12 volt on my motor cycle . Any ideas how that's done

    Sires . . . . . . . Looks like you do not live ALONE http://kzrider.com/forum/4-electrical/274042-keep-blowing-headlights?tmpl=component&type=raw https://answers.yahoo.com/question/index?qid=20110916084102AAuZK9X http://www.ride-joy.com/DR500-voltage-regulator_10184289.html Looks...
  11. 73's de Edd

    Circuit diagrams of TORO DDC-4

    Principessa zulu . . . . . . . That will be one wicked board to " read" due to its being double sided with cross connect vias. Can you associate the loss of display with any prior circuit or parts changing just before its loss ? Your unidentified RV1 will be of no real consequences to...
  12. 73's de Edd

    JVC AX-R551X PROBLEM

    What is the present audio signal sourced from ? After the initial high freq end of the spectrum analyzer maxes the display and then the lower frequencies show up on the display . . . . . .will adjusting the volume level bring their display down and to a minimum ? 73's de Edd
  13. 73's de Edd

    Need help with connectors!!

    . Sir Dave . . . . . he just wants to go from a TNC to a PAL connector a simple patch lead When you read all of the situation, after the referring to a N connector, initially threw all askew for a bit. Considering all of the interconnects from the antennas initial F connectors to TNC for...
  14. 73's de Edd

    JVC AX-R551X PROBLEM

    Sir Constantine . . . . I never did see this below, being confirmed I will check again but i am confident that it is not a soldering issue. Not soldering, since the transistor installs into PCB holes, BUT possibly you inverted that parts installation, a full 180 degrees. Can you get still...
  15. 73's de Edd

    Circuit diagrams of TORO DDC-4

    Sir zulu . . . . . . Ahhhhh so . . .Most honnable apologies, didn't notice your comeback until just now. With those types of controller valves they just require a pulse of power to activate as either being on or off. The back up pair of 9 V alkaline batteries can give 9-18 V at up to short 5...
  16. 73's de Edd

    9 Volt Phantom Power Circuit

    . Sir computerlen . . . . . Is post #6 being your units complete schematic, with nothing else connected to the very bottom connector? Also, by the use of a DMM with its inherent MINIMAL loading, place it in DC mode and tell us what the measured voltage from pin 2-3 on the top connector is...
  17. 73's de Edd

    laptop power button

    KSR231G LFS Looked it up, and it ALSO is being a sealed unit. And looks like you are paying 6 times the price and the same £12 on shipping. Looks like I am totally spoiled with my £0.261 price and they pop it in a small bubble wrap envelope and post it to me for £0.5. BUT with your own...
  18. 73's de Edd

    Oxx Wifi Internet Radio doesn't power on

    Sir End3vour Work on your DC voltage reading prowess, 700 VDC CAN'T be right. . . . .see the DC voltages printed on the sides of the E-caps. . . . . that is being their MAX . Give that IC's NUMBER. and get the radio. 73's de Edd
  19. 73's de Edd

    laptop power button

    Sir Johnspace: Yes But with these stipulations: You only gave the image URL so I can't research it to see if it is sealed. Is there any chance that the other vendor is an " Ali express" affiliate, which sometimes offer low priced shipping, but, it takes a month to deliver, most times. I am...
  20. 73's de Edd

    help repair router..no respond for power

    YES. . . .it is installed backwards. Sir Dave must not have tuned in, back on page 1. Nor, being familiar on the parts supply in Cairo.
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