Re: [Drakelist] R-4B Issue

Thanks to all that responded the the other day to my inquiry about the R-4B issue. This morning I pulled the bottom cover to look at the voltages. All voltages and percent of ripple were ok with the exception of the BIAS. Looks like Garey pinpointed the issue, the BIAS cap has failed. Here's an ima

[Drakelist] R-4B Issue

Yesterday I received the 32.1 Mhz crystal for the R-4B. I replaced the crystal, turned the receiver on and shortly thereafter 15 meters was working just fine. I had a few projects to accomplish in the shack and I decided to let the R-4B cook for a while. After about an hour my audio began to sound

[Drakelist] My New 4 - Line....Issues but I'm loving it

Ok, connected up the AC-4, fired up the transmitter (sorry, poor choice of words) and tried to tune it up on 40 after adjusting AC-4 bias. It seems my peak when adjusting RF-Tune was down in the 80M range...I'm not sure if that is normal. Anyway, I need to clean the switches before I proceed on the

Re: [Drakelist] AC-4 Voltages

Thank you all for your replies. This week after I receive my 6EH5 in and get the receiver going I'll turn the transmitter on and see what happens. ' 73 Rick - WA4RG ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/lis

Re: [Drakelist] AC-4 Voltages

; -70 to -100 VDC > > 14.5 VAC > > The filament voltage is high because of the cable and the heavy load > (lotsa filaments) 5.5 Amps. > > 73, Garey - K4OAH > Glen Allen, VA > > Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line > and TR-4/C Service Supplement CDs > > &g

Re: [Drakelist] AC-4 Voltages

Thank you for your response Richard. Using the same meter, my line voltage reads 122 VAC. ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist

[Drakelist] AC-4 Voltages

and white wires) All ripple < .004 VAC Too high? v/r Rick Gunderman - WA4RG ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist