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  1. 73's de Edd

    Transistor Help

    Sir Neal . . . . . . Well then . . . . . why don't you try inserting the OMITTTED numerical 2 prefix to then get yourself a full . . . . . 2SA935Q. Get that units data sheet . . . . . . being HOT linked just below . . . . . . and you will then find that it is being a TALL cased TO-92 PNP...
  2. 73's de Edd

    Whirlpool oven up/down display not working properly

    Thir bill313 . . . . .( pardon my lispth) Looks like that unit might REALLY be from another pool of manufacturers product ( GE / Robertshaw/ FSP) that is then being "rebadged" with a Whirlpool brand marking. Plus I believe that the actual number of the whole board assembly is actually being a...
  3. 73's de Edd

    Shredder rewire - 230Vac motor with four wires

    Sir kipper . . . . . As simple built as that unit seems to be . . . . . wanna pair up with me ? . . . . . and see if we can get that unit working again ? You will have to be my remote hands and eyes. On your #1 of 3 last photos . . . . . With what info you have shown me . . . . there is...
  4. 73's de Edd

    How to design power supply for Xenon lamp

    The rest of the story . . . . . https://netlink.alphasource.com/PDF/Cermax_Eng_Guide.pdf Pages 34 and 38
  5. 73's de Edd

    Shredder rewire - 230Vac motor with four wires

    Sir kipper . . . . . Just put in 6 hrs of the weekend on our FELLOWES DS12ci HEAVEE- DOODIE . . . .shredder and that's being HEAVEE on the HEAVEE. . . . . . . .GAWD . . . . what a solid BUILT mechanical MONSTER . . . . its mother just HAD to have been an auto crusher. You definitely SHOULD...
  6. 73's de Edd

    Capacitor leakage tester beneficial for working on CRTs?

    I would only see leakage in an E- capacitor as being a factor if it is being used as a coupling into the base or gate of a transistor or FET. Be it utilized in audio amplifier, video amplifier, sync separator, vert or horizontal circuits.
  7. 73's de Edd

    The 5A fuse directly blows when I plug in this board in.

    Sir Gwedo . . . . . The available viewing limitations wouldn't let me make out all of the components assignments, so I just assigned sequential new numbers to them. Also check my connections. Confirm, for us, that a fuse is being in series to each input of the FWB AC power input, as I can't...
  8. 73's de Edd

    Singer Futura 1000 Sewing Machine

    Sir Sekke . . . . . HEY ! . . . . . . . . . . Where you go o o o o o o o o o o o o o o o ? . . . . ( PLUS . . . my Spell Check thinks that it wants to change / correctly spell your name . ) At the very simplest of analyzing : Can you try this . . . .? Cut out a small hand sized square of...
  9. 73's de Edd

    Another Tektronix 2235 troubleshooting.

    please tell me what should i do now . . . . . . How long will it take you to figure out that the odor /smoke will tie into a component . . . and it will probably / usually show it. Drop the cover and concentrate on the center to right rear and center to right side quadrant, as that is the...
  10. 73's de Edd

    Solar radiator fan

    Assuredly then, it being a brushed DC motor, so put a 1N5406 damping diode across it with its cathode end to the + connection to it and then that ? questionable level ? of back EMF should be quenched by it, all the way down to nothingness..
  11. 73's de Edd

    What is this Circuit Breaker used for?

    Lou(ise)Mathews . . . . . You didn't specify his profession or likes /hobbies . . . . which might then possibly drift towards more clues. To my viewing, with this actually being a panel mount and its ARRAY of mounted circuit breakers, and their specific selection of trip amperage's. It's...
  12. 73's de Edd

    Please help me Identify this part, thanks!

    Sir george2525 . . . . . Indeed that is your units dual section volume control. Take note that the two LARGEST solder connections that you refer to are connected together on top side by being manufactured as a common metal stamping. Then both connections end up as AUDIO GROUND connections at...
  13. 73's de Edd

    SDL1P switch repair

    Sires . . . . . I am only now able to get back and post your images markup. I am doing so JUST because of some otherwise subtle repair / reassemble pitfalls, that might be additionally pointed out. Initially I saw no need to check my Lab / Workshop and its 1million + components stockpile . ...
  14. 73's de Edd

    Roland xp60 key board

    Sir Thushan . . . . I assume that you might also need the full possibilities of solving your problem now. I took particular attention to do a mark up of just the push buttons : BWD FWD SHIFT 0 ENTER 1 2 3 that seem to be inoperative on your unit. If you then examine the...
  15. 73's de Edd

    Simple relay hack - but noise from long cable run

    If this is carrying running power . . .STOOPID SITUATION . . . . . and the ensuing wire resistance then would be of consideration. Just a thought . . . . . of the resistance of the wires consideration. I can see an unused : Black-White twisted pair Blue-White twisted pair Brown-White twisted...
  16. 73's de Edd

    Roland xp60 key board

    Sir Thushan . . . . . Sir Thushan . . . . . What ? . . . . /. .no takers ? Here is your problem area, now being all marked up for more in depth analysis . Get the unit having this portion accessible for taking readings . . . . and call back. TECHNO - REF . . . . . 73's de Edd . . . . ...
  17. 73's de Edd

    RT2 ???

    I don't / can't see the other side of the board but expect that there are being 2 push on connectors as are already being used on the DC Tread Motor terminals. Those take the AC input power and its hot line will go into a covered clip in fuse holder and then likely feed its AC into a high...
  18. 73's de Edd

    Problem with Yamaha rx-570 receiver

    Sir Hammer51 . . . . .( Is it Hammer time already ? ) Let's initially feel you out on your sleuthing ability around that units chassis components. On that units H E W G E power transformer, its secondary has . . . . . One RED wire that goes to terminal 9 of a PCB that then travels to...
  19. 73's de Edd

    Changing a remotes button function due to damage

    Sir john0101 . . . . . I wonder if the needed pushbutton is being the up volume button ? OR if he has a kid with OCD and a BUSY fingernail . . . or if a / the family pet done it in ? ? ? If only the damage to the button was limited to that ONE bad pushbutton molded into the vinyl sheet and...
  20. 73's de Edd

    RT2 ???

    Sir Andy D . . . . . You shouldn't be expecting to do anything without soldering . . . . .or even MORE importantly , having a DVM for analyzing. Considering the use of that required DVM now. I feel that your RT2 is of such a VERY low ohmmic value so as to be undamaged. ( Bulletproof)...
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