"R. Ton" <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- I'm finally digging into a TR-4C I bought used some time ago. It "worked fine" when it was shipped here, but I haven't been able to get any power out of the transmitter. It at least oscillates -- I can hear it on a receiver in the same room.
Starting at the beginning... The manual says to adjust the bias on the AC-4 so that the plate meter reads .1 amp. This is with the sideband switch counter-clockwise and the xmtr gain all the way down. The meter seems to read about .025 in receive and goes up just a little when the rig is switched to CW. Adjusting the bias has no effect on the plate meter, but it does indeed adjust the bias voltage. Setting it to -60 volts is no problem, but I'm unable to get any "real" plate current no matter what I do. Any ideas? I haven't done anything to the radio since I got it except spray the switches with Deoxit D5 and replace R45 (2 ohms -- plate meter shunt resistor!!). This resistor was fried in half. What am I in for? Many thanks in advance! 73, Rob (KFØRT) ---------------------------------------------------------------------- Submissions: drakelist@www.zerobeat.net Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Zerobeat Web Page: www.zerobeat.net - sponsored by www.tlchost.net ----------------------------------------------------------------------
