DAC90a - Not working??

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DAC90a - Not working??

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Aerodyne

Senior Transmitter Engineer

Posts: 531
Reputation: 15
Location: Peterborough

#30

31-05-2011, 03:19 PM

R18, the 75 ohm scale lamp shunt should pass sufficient current to allow the receiver to work - in a 'good' set - without scale bulbs. Non-working would indicate a low-emission oscillator/mixer valve, or perhaps low HT where the reduced heater current tips the balance and prevents oscillation.
-Tony

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Messages In This Thread

DAC90a - Not working?? - by Bushbaby - 25-05-2011, 03:56 PM

RE: DAC90a - Not working?? - by Aerodyne - 25-05-2011, 04:57 PM

RE: DAC90a - Not working?? - by Yorkie - 25-05-2011, 05:08 PM

RE: DAC90a - Not working?? - by Bushbaby - 25-05-2011, 05:33 PM

RE: DAC90a - Not working?? - by Joe - 25-05-2011, 05:43 PM

RE: DAC90a - Not working?? - by Shaman - 25-05-2011, 05:59 PM

RE: DAC90a - Not working?? - by Shaman - 26-05-2011, 11:59 AM

RE: DAC90a - Not working?? - by Bushbaby - 26-05-2011, 07:38 PM

RE: DAC90a - Not working?? - by Steve_P - 26-05-2011, 07:58 PM

RE: DAC90a - Not working?? - by Bushbaby - 26-05-2011, 09:22 PM

RE: DAC90a - Not working?? - by Shaman - 27-05-2011, 09:29 AM

RE: DAC90a - Not working?? - by Bushbaby - 27-05-2011, 12:36 PM

RE: DAC90a - Not working?? - by Shaman - 27-05-2011, 01:07 PM

RE: DAC90a - Not working?? - by Bushbaby - 29-05-2011, 06:25 PM

RE: DAC90a - Not working?? - by Joe - 29-05-2011, 06:53 PM

RE: DAC90a - Not working?? - by Bushbaby - 29-05-2011, 07:06 PM

RE: DAC90a - Not working?? - by tiv48 - 29-05-2011, 07:21 PM

RE: DAC90a - Not working?? - by Bushbaby - 29-05-2011, 07:33 PM

RE: DAC90a - Not working?? - by Yorkie - 29-05-2011, 09:08 PM

RE: DAC90a - Not working?? - by Aerodyne - 30-05-2011, 09:42 AM

RE: DAC90a - Not working?? - by Bushbaby - 30-05-2011, 10:23 AM

RE: DAC90a - Not working?? - by Tedzed1 - 31-05-2011, 10:43 AM

RE: DAC90a - Not working?? - by Bushbaby - 31-05-2011, 11:11 AM

RE: DAC90a - Not working?? - by Joe - 31-05-2011, 11:39 AM

RE: DAC90a - Not working?? - by Bushbaby - 31-05-2011, 12:12 PM

RE: DAC90a - Not working?? - by Joe - 31-05-2011, 12:45 PM

RE: DAC90a - Not working?? - by Bushbaby - 31-05-2011, 01:19 PM

RE: DAC90a - Not working?? - by Joe - 31-05-2011, 01:26 PM

RE: DAC90a - Not working?? - by Bushbaby - 31-05-2011, 01:36 PM

RE: DAC90a - Not working?? - by Aerodyne - 31-05-2011, 03:19 PM

RE: DAC90a - Not working?? - by Joe - 31-05-2011, 09:11 PM

RE: DAC90a - Not working?? - by tiv48 - 01-06-2011, 01:57 PM

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