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  1. 73's de Edd

    Old remote control repair

    Sir noquacks . . . . . First, I double checked that Mod # and it states right on the goofy 1970's style square green box GDA-309-1. It is so long that I can't positively remember, but seems like HEATHKIT offered a higher priced option of selling their kits as an already assembled unit, for...
  2. 73's de Edd

    I think I can log in by pressing "Forgot password"

    That's being JUST THE OPPOSITE of my situatiation . . .I have probably burned out the log in /change password system from my constantly being "dropped" off line /unlogged.
  3. 73's de Edd

    How to disconnect ribbon cable

    The only ones that are UBER critical are the one (s) ? tieing into THE LCD display itself . . . . There, you have mere microns thick of vacuum deposited / sputtered conductive metal patterns that are formed on a glass substrate, then needing to be connected to, to interface into a real world...
  4. 73's de Edd

    Old remote control repair

    Sir noquacks . . . . Methinks that you flipped a digit on the units model number., with it being a GDA-3209-1. Soooooo . . . . . does this mean that you have a '70ish vintage house that this unit was initially installed in, and is still working fine with the manual switch . You just now want...
  5. 73's de Edd

    Old philips pm3310

    Sir BEripsta . . . . . Here is a mark up of just the units power supply section. This unit is a HOT chassis to the AC line of all circuitry, being to the left of the X1604 Switch Mode Power Supply transformer primary. At schematic, top left, you have the MAIN DC voltage being created by the...
  6. 73's de Edd

    panasonic sc-hc20

    Sir sira . . . . . Use this schematic with extreme caution . . . AS ITS POWER FLOW IS BEING FROM RIGHT TO LEFT . . . versus the norm of being left to right. It's certainly posing no electrical hazard . . . but could certainly and totally mess up your mind. Check out the unit and confirm if...
  7. 73's de Edd

    Condenser dryer main board power fault

    Sir notallbad . . . . . Your last few add ons info, made me have to slightly re edit this entry . . .so as to be all encompassing . . . so here goes. (Just now also saw that you added on, your having used BEKO's diagnostic code procedure) You should now be OK on that U4 regs 5V output, so...
  8. 73's de Edd

    Help on blown transistor please

    Sir " Spike " . . . . . . . Use of a 2955 or 3055 as a sub in THIS transistors SPECIFIC function would be akin to the setting in of a CORVETTE engine into a go kart. Need a good photo (LARGER ) of the OTHER side of the board that the foil side is now presented . You did not have a DOT- -...
  9. 73's de Edd

    G & E Bradley CT471C

    Sir Sinewave . . . . . Hmmmmmmmmm . . . with that being circa 1964-66'ish. Now, if I gave you this "bone" would you wag your tail wildly, and then fully be able to handle the task at hand ? http://www.vmarsmanuals.co.uk/archive/1248_CT-471_Multimeter.pdf 73's de Edd . . . . . . . . . . ...
  10. 73's de Edd

    Lab Volt Model 790A will not power up

    Sir Willard . . . . . Wheeeee ! . . . . I now see . . .that you got the board out for some nude photos . . .very well done . . . and additional KUDOS on the backlighting of the poil faths. I placed and 1x scaled the two views side by side and concentrated on only the points of interest. I...
  11. 73's de Edd

    Condenser dryer main board power fault

    Sir notallbad . . . . . Let me provide a close together view of the two board sides with a color coded mark up of the principal components of interest. I additionally provided a nearby, viewable schematic of a typical application note from that LNK364's IC's manufacturer I dood it . . . ...
  12. 73's de Edd

    Lab Volt Model 790A will not power up

    Sir Willard . . . . . I can see that is being one clunker of a minimalistic old silly scope . It is using recurrent horizontal sweep . . . . and not TRIGGERED sweep . . . .therefore capable of only a slippery-slidery type of locking onto a waveform. It is so dated such that it also uses...
  13. 73's de Edd

    Technics SA-5760 Receiver No Output

    Sir Kilgore Cemetery . . . . ( How you ever get anyone "planted" . . . with all of this here electronics tom-foolery going on ?) It sort of looks like your trouble onset origin is possibly being at the base of the TR605 transistor ( leaky or shorted TR605 ? ) at the schema far left. Or...
  14. 73's de Edd

    KLH R3100 stereo receiver volume won't adjust

    Sir bbullsj . . . . . If you are trying to use the radio as your sole signal source for testing, it may have a problem with it. There are also options for OTHER signal inputs, try one or all of them to see if they put out a full audio spectrum level of adjustment on THEM . Or if they respond...
  15. 73's de Edd

    Service information on a Bogen MultiCom 2000 PA System

    Sir Datajockey . . . . . Do you have this info and thereby, the benefit of using it ? See how far down the flow chart . . . . where the dial tone relates to your current situation. http://www.bogenedu.com/wp-content/uploads/2017/04/Troubleshoot.pdf 73's de Edd . . . . . . . . . ...
  16. 73's de Edd

    Blaupunkt Roma Radio

    Sir J Grabowski . . . . . . If we look at the top schematic of your unit for referencing of the portion that contains the pilot we see an X and the fact that it seems to be using but one pilot light. ( I sort of expected two, with that wide of a dial scale. ) But the IMPORTANT information is...
  17. 73's de Edd

    Denon UD_M30

    Sir Zeppo . . . . . Looks like YOUR speeeee-cific unit has belt driven tray loading / unloading. Also you are going to have to crack some eggs to make that omelet . . . .specifically . . .to pull off the top dust cover . . . to be able to initially see if there is no drag / fiction point...
  18. 73's de Edd

    Newbie scope question

    Thir tuc2K . . . . . . . . ooooooooops . . . that pesky 'lil lisp-th. . .again . . . . The 5110 (51XX) series of Teks are not even in the ballpark in their specs, as to be equated to the 475 or its baby brother 465. You would be wanting the 73XX and 76XX mainframe series, with their...
  19. 73's de Edd

    Panasonic DMR-E75V VCR/DVD Recorder combo player - Lost power

    Sir WyluliWolf . . . . I ran across this unit and initially thought is was the one that we were working on . . . NOT. Seems like I was finding more caps in the other units power supply than were on the schematic and I found them within another sheet of another schema . . . I added them but...
  20. 73's de Edd

    Panasonic SA-PT670 no power

    Sir kyle_jordan182 . . . . I just see the 8A / 125V main, incoming AC power line fuse, where did you find the second fuse ? REFERENCING . . . .block diagram of internal power supplies 73's de Edd . . . . . . . . . . The PERKS of being an adult . . . . . I can eat 26 cookies, no one...
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