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40-180 Start up & volume problems
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02-11-2010, 09:57 PM
Post: #1
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40-180 Start up & volume problems
I have recapped this radio and it does play. it takes a minute to hear any sound and the speech is not clear and volume slowley increases in about three minutes. The speach clears up and volume is ok. This set uses a 1232(RF), 6J8(Det, Osc),(7B7 ) IF, 7C6(1st Audio), 84(Rect) and 2(41 output tubes). The radio motorboats on the shortwave band and seems to get faster as I go up the dial. Could one or more of the tubes be the cause of the problems or is it something else? Thans for any help..radionut
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02-12-2010, 01:39 AM
Post: #2
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Re: 40-180 Start up & volume problems
Just hang on you,ll start receving answers from alot of experts . I think reason you haven,t because of power outage some places.
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02-12-2010, 03:32 AM
Post: #3
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Re: 40-180 Start up & volume problems
Denver: Thanks for the words of encouragemant. I shall be eagerly be awaiting the responses. have a wonderful rest of the week!
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02-13-2010, 02:26 AM
Post: #4
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Re: 40-180 Start up & volume problems
The radio motorboats on the shortwave band and seems to get faster as I go up the dial.
Could be a tube or tube shield not in place. More likely a missing bypass capacitor. Terry |
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02-13-2010, 11:35 PM
Post: #5
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Re: 40-180 Start up & volume problems
None of the 40-180s (or 40-190s, for that matter) I've seen have tube shields, so that isn't a likely case.
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