[time-nuts] Handar INC WWV receiver

Stanley Reynolds stanley_reynolds at yahoo.com
Sun Feb 17 21:17:43 EST 2008


Update the receiver is working not sure if it is decoding time but powered it up and was able to hear WWV.

(1) Brown R14 100K to B+
(2) Red R15 100 to pin 9 of U9 data in
(3) Orange R18 500 to B+
(4) Yellow C47 pin 5 U16 from demod section receiver audio
(5) Green R16 &17 - R17 100K to B+ - R16 100 to 8 of U12 data out 
(6) Blue 5 of U13 & 10 of U12 data in also enable (5) data out and start search
(7) Purple Ground
(8) Gray Ground
(9) White 12 volt supply

Pin numbers are the same on the board or case connector.

You must touch or short pins 6 and 3 to cause the unit to cycle looking for signal takes a few minutes then it goes back to sleep no audio. keeping the short does not keep it on it is looking for a level change.
Used amplified computer speakers on pin 4 and ground for audio.


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