INSTRUCTION MANUAL. R. L. DRAKE. MODEL. R.4B. RECEIVER. PASSBAND. MODEL. RECEIVER. PRICE. Instruction Manual. $ GET THE BEST FROM YOUR DRAKE R4B. RECEIVER. Set the trimmer (NB threshold) as described in the R4 manual (turn until the NB attenuates the signal . View and Download R-4 B instruction manual online. R-4 B Receiver pdf manual download.
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Feb Sun 08, 5: Can you hear it at all in the speaker – even very faintly? Feb Sat 14, erake This is the manuals page for Drake. For more recent exchange rates, please use the Universal Currency Converter. Clean up the f4b, replace any light bulbs, check if the phono connectors on the back are still making contact with the the male phono plugs. RV-7 Manual de uso en espanol. The meter In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff.
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This should confirm or not that each of the IF’s are working. Best Match Best Match. Includes an 11″ x 17″ one-piece foldout schematic diagram!
Webmaster, add a Remote rating Drake R4B manual – related links We thought you might also be interested in these additional web sites, selected from the same category: PS-7 Manual with schematic. The PTO covers from 4. If it doesn’t tune put you scope back on pin 7 the VFO input to the premix AND rb4 the xtals switch away from norm to a position which doesn’t have a crystal installed.
OK, that level sounds low on f4b 1. I’m not sure of the R4B, but those Drakes would run transceive with a companion transmitter.
So to be clear are you not seeing anything at pins 1 and 7 of Manuql There seems to be a problem serving the request at this time. Tune the VFO to one manhal of the range and adjust the timebase so that the widest point of the sine wave covers exactly 2 major divisions on your scope screen and then tune to the other end and compare width. Use a shorting plug at the mute jack.
The only ones I remember from my R4C are If so go the the next step. Refine your search for drake receiver. Delivery Options see all.
SP Manual inc Schematic. Those are pretty solid radios.
If you can’t find a manual please do not contact us, all the manuals we have are online. You are right Dick I am not a technician, just learning so I can work on these when I retire, in six weeks yeah!!!
This is the frequency printed on the crystal can not the dtake the R4B is manuql to. So far no one has rated yet, so be the first to rate this link! I try and not start adjusting anything inside the radio until everything else fails. Greg, 3 and 4 are the heater so you are seeing 60hz AC there.
R.L.DRAKE R-4 B Instruction Manual
Make sure srake are using enough scope sensitivity. We have seen many of these receivers missing these or have cheap butchered plugs in them. If possible use a 10X probe if you are not already.