Hey Paul: Should I bring the "beans" to keep the R-390/BC-610 operators "perky." If conditions are bad we can all sit around and talk about the weather in all...
Peter A. Markavage
manualman@...
Sep 1, 1998 7:22 am
2156
"If the message title irritates, just use the flush button, and get over it." (thanks to W9LBB) Having stated that Joe, thanks for the great question! Jerry,...
jbharvie
jbharvie@...
Sep 1, 1998 7:37 am
2157
There was a good article on Collins PTOs and their adjustments in an early ham radio magazine. That cover must have been corroded on, it should have been...
Dr. Gerald N. Johnson...
geraldj@...
Sep 1, 1998 7:45 am
2158
With as much trouble as you have with "toobs" I am sure that transistor or, heaven forbid, integrated circuit would be well beyond your understanding. I have a...
Mike Taylor
mtaylor@...
Sep 1, 1998 8:39 am
2159
John, Would you be so kind as to give a procedure for removing the inner can for those of us without access to a milling machine? We had a machine shop at work...
Bill Hawkins
bill@...
Sep 1, 1998 2:53 pm
2160
Many thanks to all who responded to my query re brown beauties. The consensus is unanimous - they are evil and must be eradicated. Now for a real greenhorn...
Bob Bennett
rjb@...
Sep 1, 1998 9:05 pm
2161
FS: Collins R-391 I have for sale my Collins R-391, 26575 PH-52-93, SN 3XX. This receiver is in excellent condition. Face panel excellent, original meters, ...
deanbers@...
Sep 1, 1998 10:26 pm
2162
... consensus is ... wrapped ... damaging the ... messing up ... ones? ... It can be a wee challenge alright - especially in the IF chassis. I use a 40watt...
dma@...
Sep 1, 1998 11:48 pm
2163
The following equipment is for sale -- pickup in San Diego or meet each other in local Southern California area: R390A 450 '59 VG, original meters, works...
Ben Wallace
bwallace@...
Sep 2, 1998 1:14 am
2164
Anyone out there have any working and good condition CV-116B or C model frequency shift converters they wanna part with? Am also looking for CV-115 ...
wjneill
wjneill@...
Sep 2, 1998 2:08 am
2165
Before applying heat, use sharp (I use flush cutting) diagonal cutters to remove the wire loops beyond the terminal. Then I apply heat with solder to allow...
Dr. Gerald N. Johnson...
geraldj@...
Sep 2, 1998 4:07 am
2166
... Actually, I have tested a number of these on a cap checker and a megger and find they are seldom the root cause of any real problems. However, a Sunday ...
Chuck Rippel
crippel@...
Sep 2, 1998 2:05 pm
2167
... snip Why not include the Collins model, like 455FA21 that describes frequency, (not necessarily center, could be SSB carrier frequency), case and bandwidth...
Dr. Gerald N. Johnson...
geraldj@...
Sep 2, 1998 5:41 pm
2168
Hello, Bob, Not to worry, you're asking good questions and more importantly, you've got the right approach to restoring your R-390A. ... I use a solder sucker...
Bob Bennett
rjb@...
Sep 2, 1998 6:31 pm
2169
Bob: Back when us old farts were repairing tube equipment for grocery money in the sixties, we thought nothing of attaching the new part to the old leads....
Bob Bennett
rjb@...
Sep 2, 1998 6:32 pm
2170
... ones? ... Hello Bob, Well..... as nasty as your last statement may sound, that is exactly what I do. It would be very nice to take all the old component...
Bob Bennett
rjb@...
Sep 2, 1998 6:37 pm
2171
That's actually a great question Bob. All of us probably have our own tricks for this some, I'm sure, more effective than others. Realize that in most cases...
Bob Bennett
rjb@...
Sep 2, 1998 6:38 pm
2172
... consensus is ... wrapped ... damaging the ... messing up ... ones? ... It can be a wee challenge alright - especially in the IF chassis. I use a 40watt...
Bob Bennett
rjb@...
Sep 2, 1998 6:40 pm
2173
Thanks to all who responded to my query re technology for removing the brown beauties with minimum damage. One respondent asked that i forward all responses to...
Bob Bennett
rjb@...
Sep 2, 1998 6:40 pm
2174
Bob, There are going to be purests among us who would never consider clip and body change outs. My belief is why not! If the cap wiring is in good shape you...
Bob Bennett
rjb@...
Sep 2, 1998 6:45 pm
2175
Don't want to beat this thing to death, but i am interested in the choices for replacement capacitors. The most common choice i hear of is the orange drop. Why...
Bob Bennett
rjb@...
Sep 2, 1998 8:40 pm
2176
I have a great deal of confidence in the orange drops from long assocations. I don't have for the others. They should be smaller than paper capacitors of auld...
Dr. Gerald N. Johnson...
geraldj@...
Sep 2, 1998 10:14 pm
2177
... ones? ... Bob, I like to use a variation of the body replacement technique. Cut out the old component leaving about 2/3 of the leads attached to the...
James True N5ARW
n5arw@...
Sep 2, 1998 10:16 pm
2178
One brand of replacement capacitors in the 60s came with the wire coils already made in the sack. 73, Jerry, K0CQ ... Submissions r-390@......
Dr. Gerald N. Johnson...
geraldj@...
Sep 2, 1998 10:45 pm
2179
How to kick a beehive: I've been reading about how to unsolder terminations for old caps in the R-390's and I have to disagree with using a small iron, in the ...
Joe Foley
redmenaced@...
Sep 3, 1998 1:08 am
2180
I prefer a 100 watt Weller temperature controlled iron with a 1/4" tip, often sold for doing leaded glass windows. The thermostat helps prevent doing excess...
Dr. Gerald N. Johnson...
geraldj@...
Sep 3, 1998 1:31 am
2181
A LITTLE off topic, but there is lots of good boatanchor-type info here. Whoops -- I got two copies of these and don't read in stereo so.... I will part with...
Kenneth Vito Zichi
aa024@...
Sep 3, 1998 2:22 am
2182
On Wed, 2 Sep 1998 17:30:49 -0700 (PDT) Joe Foley <redmenaced@...> ... time to jump in with my $.02 I've found what suits me best is a 45 watt pencil...
peter, sr. a. wokoun
petesr@...
Sep 3, 1998 4:24 am
2183
Does anyone have a schematic or socket voltages on the HP410B VTVM. I am trying to trouble shoot one and I'm sort of shooting in the dark. I get a full scale...
Ben Loper
bloper@...
Sep 3, 1998 4:53 am
2184
... production. I guess they would be the ideal to strive for. Pete G4GJL ... Submissions r-390@......
