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Model 89-123
brodie
Junior Member
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Posts: 5
Threads: 2
Joined: Oct 2011
#1

11-15-2011, 09:37 PM
Hello! Iam having a problem reading the most recent drawing of the 89-123, showing the 77 tube osc, as mine has a 36 tube as well as a combined on-off wave band switch. I have a resistor that is completely burnt, and canot make out its value. I have the service bulletins prior to the change to the 77 tube, but this confusses me even more! Is there a schematic out there, showing the 36 tube as well as the on-off wave band switch, before the 77 tube was implemented.If anyone can help me,it would be very apreciated.Thank You
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Ron Ramirez
Silent Key
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Posts: 13,776
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City: Ferdinand State, Province, Country: Indiana
#2

11-15-2011, 10:03 PM
http://www.philcoradio.com/tech/89evol.htm
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Ron Ramirez
Ferdinand IN
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brodie
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Joined: Oct 2011
#3

11-15-2011, 10:44 PM
Thanks again Ron!
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