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  1. 73's de Edd

    Nordictrack C2420 Console

    Looks like it is time to open up the console and get visual access to the Control board and a viewing of all the connectors and all the interconnected wiring harness and close-up well lit and focused photos of the circuit board and probably both sides of it , with the top initially. Looks why...
  2. 73's de Edd

    sir , I have lost my LG Home theater Subwoofer's model number DWE-630 remote

    Sir edwin . . . Looks like you have a very-very-very-VERY to the power of 10 . . .special remote that even requires specific (given in the book) entry codes for manners of functions and display languages. Compare the picture and see if that was your unit . . . . it was at ADOBE pages 27-52...
  3. 73's de Edd

    Nordictrack C2420 Console

    Ohhhhhhhhh Tay . . .thats Greeeeeeat, then, check and see if all of the buttons on the left INCLINE will respond and adjust accordingly, as they use the same input multiplexing technology as the SPEED ones do. Nextly ? ? ? do you have a DVM . . . . or one to borrow . . . . to do some ohmmic...
  4. 73's de Edd

    Bosch Cordless Drill GSR 12-2 Charger testing

    SIR bushtech . . . . . Long see . . . . .no time ! WOW ! its incorporating an actual old school power transformer. Looks like the charger is dependent upon taking that rectified 17VDC supply voltage and then using drive from the ST Controller IC that you see on the board to trigger the...
  5. 73's de Edd

    Nordictrack C2420 Console

    Sir Tommy Hil . . . . . Does this seem to be your units control head and motor controller board. If so, does any of the display light up or do all of the incline buttons respond, since it is a clone of the speeed control, in the interfacing aspects. And do other functions get a display...
  6. 73's de Edd

    Nordictrack C2420 Console

    An educated guess from the descriptions that you provide, along with a 10 year age of the unit seems to suggest a, slooooooooooooooow, time progressed change /decline of a section of the control unit or its power supply. Can you now confirm for us that in the cool morning, when the unit is...
  7. 73's de Edd

    Help identifying a display

    The spectral color shift and light intensity being shown on the display from far right edge , over to mid center seems to suggest either an old school incandescent or most likely a newer LED light being installed at that edge for its display backlighting for a transmissive frontal display...
  8. 73's de Edd

    TDA8932 BT audio amp board power up

    Sir Azuro . . . . . Megaditto . . .also . . . . on . . . .that aspect of I connected a bluetooth cable . . . . HOW . . . you do dat ? As I can only see the foil patterned, ,receive antenna built on the board, that is being just adjunct to C7 surface mount capacitor. Then there is only the...
  9. 73's de Edd

    Replacement LCD's

    http://usa.tianma.com/products-technology/product-filter Talk to them . . . . TM12864NG FP 3 At least we can see the 128 by 64 dots in the dot matrix . . .possibly Green color?
  10. 73's de Edd

    Yamaha psr e403 low sound output from speakers

    Sir samuel phillips . . . . . Glad to hear that you speeded up the tracing process, when you unexpectedly happened to touch a keyboard key, while having the BA5417 audio input pin # 12 connected to the Output pin 1 of the left channel of the IC502 dual op amp preamplifier. And THEN the...
  11. 73's de Edd

    Phone's car charger

    Sir pharaon . . . . . Does that mean the problem could be in the car's cigarette housing. Possibly ? . . . . A confirmation would be to rotate the unit within the housing a full 180 degrees, many,many times, since the side two negative contact parts encompass such a great contact area. That...
  12. 73's de Edd

    Why does this lamp need a transformer?

    . Since you are operating at 230 volts AC instead of a lower, 120 volts AC, that is being enough voltage to run a CFL from. In which case, your TRANSFORMER . . . in actuality . . . it very likely is using an olden tymes series lamp ballast.(Which you are perceiving as being a transformer)...
  13. 73's de Edd

    Phone's car charger

    Sir pharaon . . . . . Yes, that is what looks to be a 470 microfarads @ six VDC rating, it is the storage capacitor for the converted voltage . We are wanting to know if it holds at a steady five volts output, with no loading on the unit. If so, then you start trying connecting on...
  14. 73's de Edd

    Schematics fpr Amana RR-10A Microwave oven

    Sir Jonathan Allen . . . . . Guess that you have not had the top cover up and off yet ? On my RR9 . . . . which is your units forerunner . . . . with out the temperature probe feature . . that was where the wiring diagram was glued on. Tell us if: The internal cabinet lamp will switch on...
  15. 73's de Edd

    What does this OLD power cord go to?

    I remember them from old toasters from the '20's, until they came out with the familiar tandem plug. If you ran off batches of toast, you could eventually catch the slight aroma of bakelite from the toaster end.
  16. 73's de Edd

    What is this?

    Say Feller . . . . . Remember tearing down any KDS 17 inch " kine-scoop " monitors at any time past circa 2000 A.D. ? If so . . . . ., looks like you have yourself a very-very dedicated, spare Choma processor and regurgitator chip. ( Code dated 46th week of 1999. ) To Wit: 73’s de Edd
  17. 73's de Edd

    Please help identify this variable resistor

    Sir hotrodjohn71 . . . . . The thing that positively identifies that unit is the one-of-a-kind distinctive case that it uses. That was a definite Motorola thing. I pulled out my 1965 Motorola Thyrister Hand book . . . as they had not initially named them as SCR’s back at day one of its...
  18. 73's de Edd

    How do you fix IBM Selectric II right hand margin stop

    Sir Dave . . . . . https://www.marklin-users.net/cookee_nz/hobbies/IBM/IBMSelectricAPM-Nov1980.pdf PLUS . . . . . http://oztypewriter.blogspot.com/2014/02/ibm-selectric-right-margin-stop.html https://www.electronicspoint.com/threads/ibm-selectric-ii-carriage-return-stuck.46019/...
  19. 73's de Edd

    Phone's car charger

    Sir pharaon . . . . . You say: i didn't get exactly what do you mean and what 222v? Well . . .it just looks like 222V is what SS34 seems to have appeared like after I had inverted and reversed the image, in order to create a mirrored-same sized, foil side and component side photographic...
  20. 73's de Edd

    Please help identify this variable resistor

    Sir hotrodjohn71 . . . . Since I came in at the top of the 8th inning, a full reread of earlier text was in order. The only relevance to carry forward was the use of an INSULATED shaft on the pot was in order. Since your fingers would touch it on any adjustments. Shaft type was of minor...
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