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  1. 73's de Edd

    Need help on digital speedometer fuel meter

    Sir Ralf . . . . . If your sender is being a variable resistant unit , it thereby seems like it is dependent upon the value of changing resistance being applied between the very two top pins of the connector which you have shown. Try connecting a 100 ohm resistor between those two...
  2. 73's de Edd

    Adding LEDs to already existing LEDs on PCB?

    . Sir SouthSeaPirate. . . . . . . .aka . . . . . AAAAAAAAAAAARRRGH MATEY ! Since I am seeing only 7 internal LED's, that would just be a match for this one chip interfacing circuit, that is just stuffed with transistors. It would totally snooze on the meager drive currents to each cloned...
  3. 73's de Edd

    Samsung TV

    Sir rutwad. . . . . . . . Looks like the only chance on that relay is to use its identical mate with its more common terminals and use two appropiately gauged wire sets to form eyelets on one end and extend the other leads ends to reach through the old PCB holes. This original Fujitsu unit...
  4. 73's de Edd

    Samsung TV

    I could have only done a better job . . . .if I put it on the train tracks. Query: Was the set acting a bit odd previously, like havig to be switched on and off several time before " catching " on. Or did it ever just go off while watching ? Edd
  5. 73's de Edd

    Samsung TV

    Sir rutwad . . . . . . . . Right-o . . .just caught that in the above post and started researching its circuitry. I can see your concern . . .with THAT unit DEFINITELY not categorized nor acquired . . . . . as a $199 Wally Werld closeout. First consideration, would be to examine the...
  6. 73's de Edd

    Panasonic home theater SA-PT770 clicks once wont come on

    Sir Pignapoke67. . . . . . . . We jes don't knows . . . . . .do you have the technoexpertise to pull the dust covers of the unit to get visuall access to boards. Then you use this supplied "roadmap" snippet of the AC power input to a portion of the units power supply. Initially check the...
  7. 73's de Edd

    Samsung TV

    Sir rutwad . . . . . . . . That was a HIGHLY probable perfectly good part, that was best left alone. This is the Fujitsu FTR-F3PA005A relay The kicker is the odd side mounting and the accompanying right angle bending of its 4 longer leads. Mouser has it as the FTR-F3HA005A version which you...
  8. 73's de Edd

    TENMA 21-147A

    Sir DIY KINDA GUY. . . . . . . . I also had some dealings wih MCM wherein I had caught one of their ultra deep throw 8 inch woofers on sale and was ordering one, but also caught some of those YELLOW handled replacement iron units for that series of station at a DEEP discount. of a mere $3.12...
  9. 73's de Edd

    AIWA - NSX-S888 - Power Supply Info

    Go to your AIWA manual page 25 and Then refer to schematic diagram number nine. That is showing the power supply and if you look at the main connector on that supply. You're going to find only one supply voltage will possibly be at the proper type and voltage range that you will be needing...
  10. 73's de Edd

    Phone Jack Types

    Sir tedstruk . . . . . The use of a 1/4 in std mono jack on the OUTPUT is correct. As for the 1/4 std stereo jack being used on the INPUT, there are two functions specifically being accomplished by that different type of jacks utilization . . . . .even though you are inserting a MONO phone...
  11. 73's de Edd

    Absolute Noob, help identifying component.

    Need brand and model and type of equipment. CERTAINLY looks to be the source / emittter resistor of Q2, since you also see a fine current sensing trace running off from that pad.. Since its already open cased, if the nichrome wire burnup is off center, you could measure from one intact end to...
  12. 73's de Edd

    Which stereo socket do I need?

    Sir nerion. . . . . . . . Thats an ODD DUCK . . . . . with its vertical mount . . . . . check out the switching action and respective connections and compare it against yours , with the 5th unit over, at the very bottom of the page. If it does NOT incorporate the internal switching action...
  13. 73's de Edd

    Organ power supply repair

    Sir Jimbert. . . . . . . . Consult your resubmitted marked up schematic and see that this circa 1980 s unit is basically missing its +27 volt supply output. A concurrent side effect is that this +27V supply also sends a voltage sample to other supplies to activate them, thereby the loss of...
  14. 73's de Edd

    Another one Tek 2235 power supply problem

    Sir georgegr79 . . . . . . . . INITIAL INFO : I was prepping up a list of all of that units electyrolytic filters, as I was expecting some to be bad in the respect of that power supply going into its burst mode intermittent operation. After all, that unit has YEARS of operation behind it...
  15. 73's de Edd

    MOSFET CMP1404

    Sir chilli . . . . . If the unit is in a TO-220 casing, it might just be a deceptive change of the frontal prefix of the Int Rect Hexfet. IRF1404 I see some power tools that use an IRF1404 . . . . . check its specs. Max 40 Volts supply Up to 115 Amps AVG 200 Watts LOW Rds on of 0.004Ω or FULL...
  16. 73's de Edd

    Two mic's, one CB

    Sir Chando. . . . . . . . My schematic was found on some CB forum, but yours is so much nicer with hardly any trashy artifacts. In looking at the hand unit it has an extra lock feature, if you unscrew the mike and ohm between connector pin 6 and 5 and find a switching in of the 10 K...
  17. 73's de Edd

    Brig 001 amp: Left audio channel allways strangely quits working after some minutes

    Sir martin0507 . . . . . . . . REVIEW TIME : I had marked up the YM board and I could not quite interpret if you STILL loose one channels speaker audio from that board after a bit of run time ? I was just getting ready to mark up the board which feeds that YM board, which is the YT board...
  18. 73's de Edd

    Two mic's, one CB

    Sir Chando . . . . . I am finding a dynamic mike used . . . . .with a 6 pin connector into the main unit, with only 5 pins being used. Offer your schematic link, for us to confirm that info. Also if this unit is being center dash mounted, why in the world could the passenger not reach over and...
  19. 73's de Edd

    audio transistor schema...

    Sir tedstruk . . . . . . I already have those transistors propery identified and already placed on a new schematic that I am creating for that unit. HOWEVER In the GREAT change up and deletion of your first posting, I seem to no longer have access to the photo of the COMPONENT side of the...
  20. 73's de Edd

    Repair of Dewalt dcb101 battery charger

    Warranty in small towns in India can be problematic. If you get inside confirm if the units circuit board is marked as being of DELTA manufacture. I believe that will hold true . . .also seems like they put a large blob of silicone blubber on the foil side of the board, just under the FWB...
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