[Johnson] Viking II

john page [email protected]
Sun, 31 Mar 2002 16:15:28 -0500


Well, on my Ranger which uses a similar ww resister. I kept trying fixed 
ww's till I found the right combo and then soldered them in as a fixed unit. 
John


>From: [email protected]
>Reply-To: [email protected]
>To: [email protected]
>Subject: [Johnson] Viking II
>Date: Sun, 31 Mar 2002 15:36:50 EST
>
>Hi all...I am trying to revive a Viking II and have run into, what else, a
>mod. It APPEARS that the big wire wound resistor, R-13 was cooked or
>something, as it has been removed. The feller then tied the center tap of 
>T-1
>(HV) to ground directly. He has also added a relay for PTT. The relay is 
>not
>the problem. I am not getting HV to the olates of the 6146 tubes. I can 
>make
>no sense of this modification. He has added a large fixed wire wound to 
>take
>the place of the missing R 13. The HV goes no further than where the wires
>were cut at the junction of L1, C9, and R13. If i tie these back together,
>the HV still does not work, and the tubes(6146) go red. All caps have been
>checked/changed in the power supplies. The HV at C-9 also reads very high. 
>It
>should be around 600, but reads almost double that. Ant one know of a mod 
>to
>replace R-13 that the former owner may have been trying??? I don't 
>understand
>grounding the center tap either. (T-1). Any one have or know of a source 
>for
>a  WW 20K pot with slider around that I can obtain to put this rig back to
>original. Ideas please???? Thanks.....Al/W8FAX
>_______________________________________________
>Johnson mailing list
>[email protected]
>http://mailman.qth.net/mailman/listinfo/johnson




John Page K4KWM
Amateur Radio since 1953


_________________________________________________________________
Chat with friends online, try MSN Messenger: http://messenger.msn.com