Frank -
*That sort of operation should NOT harm your 2-C. I routinely monitor my own signal with the R-4B connected exactly as you describe with the receiver in ON.
I suppose it's possible for a relay failure in the T-4XB to cause a problem, but not likely if it loads into a dummy load ok.
I'd recheck your control settings, checking the S-Meter zero, listening to the Calibrator, etc. before thinking that the receiver was somehow damaged.*
73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs <www.k4oah.com>
Hello everybody!!!! I think I made a mistake! Testing the T-4XB I had connected my 2-C to the RX connector of the T-4XB. A dummy load was connected to the antenna connector and a mute was connected betenn the 2-C and the T-4XB. The 2-C function was on EXT mute, but one time I set it on "ON" so the mute was excluded. That was by mistake and I tuned up the TX to the dummy load. I heard a strange strong buzzing sound from the receiver and the S-meter all the way up. Actually that happened even twice, also speaking at full modulation. Now I see at least 40db less in the second IF stage at 455Khz. At that moment I didn't really got the problem as I was all focused on the T-4XB. I also hoped that the relay was enough to save the RX and I thought that all the power would have been dissipated into the dummy load. Where should I check first? Tubes, or could also coils and preselector be damaged? 73, Frank IZ2OOS
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