Hi Guys and thanks to those of you who replied. I will be making more tests taking all of your advice into consideration. I am at this point leaning towards a...
Have you tried measuring the HV power transformer's secondary winding resistance? Remove all power, including the power cable to the wall outlet, discharge all...
w0rw/pm will be on the air on 14060.4 (My only crystal), on 1 Oct. 2011, 1630z. This will be for the Heathkits on The Air, HOTA, event. i will be using my HW7,...
Hi, I would remove all the rectifier tubes, and see if the fuse still pops. If so, suspect a bad HV transformer (leakaage path between HV windings and another...
Hi, I need to add a clarification. I mentioned that a Selenium diode could pass a normal Ohmmeter test, and still be bad due to increased forward resistance,...
Need to find a source for the plastic end caps and end caps for the loading coils on htis antenna. Also would like to find a source for the hardware also. Bob...
Bob, approximately what size are the end caps you are looking for. I have some soft plastic caps in my inventory. Look under misc or search on rain caps. Not...
FS: Heath IG-42 Laboratory Type Signal Generator Includes the complete original manual, schematics, templates, etc. It has been modified with a LCD display...
Heath Items For Sale - HF transceiver, Station Console, Wattmeters, Misc Parts, and Original Manuals: Heath SB-1400 HF Transceiver: This is a 100 watt...
Hello all, I just got a Scott 121-C preamp and now I'm trying to locate the Sams #380-10 which has the schematics for this. Does anyone have it? Thank you. ...
Hi Bernardo... You can purchase what you need from the link below for $5.99.... Select the RIGHT HAND Option - Open up the small "rectangle box" and scroll ...
Hello all, I know this might be a little off-topic, but I am desperate. I just got this BINSON S-600 HI-FI tube Preamp/Reverb unit, and have no idea where to ...
As I tune the dial from about 7.05 MHZ to about 7.15 MHZ, signals "stutter" or step, rather than change smoothly. This also happens on all bands in the same...
Bob, The caps I have run all the way from 1/8 inch for portable antenna ends up to 2 inches that will fit the green surplus poles. Unfortunately, I don't have...
Best thing to do is to pull the PTO off the chassis, take off the sides and make sure that all is clean and lightly lubricated from the end of tuning shaft to...
I agree. The reason this problem occurs on all bands is because the LMO (VFO) is common to all bands. The problem is caused by intermittent (corroded/dirty)...
I have the assembly manual. Will De-Oxit work to clean the rear cap contact, and if so will it suffice for a lubricant? Otherwise what chemicals should I use?...
Don, Sorry I didn't answer your question. Yes, I have Vinyl caps to fit BNC (female = 3/8, male = 1/2) N (female = 5/8, male = 3/4). I have sizes from 1/16 to...
... DeOxit is a very good cleaner and lubricant. If you want to go hoity toity - there is stuff called DeOxit Gold, but is expensive and the regular deOxit...
Yep, I use it all the time. I use DeoXit F5 for pots and DeoXit D5 for contacts. F5 has a lubricant. I even use DeoXit D5 on stubborn hard to turn band switch...
Is there a problem with using a pair of 6146B tubes in a DX-60B? I seem to remember some damage occuring when tuning up with these tubes. RF Parts Co. has...
Hi, I have used both a 6146 and a 6146B in my DX-60B (single tube rig). The only trouble I had was that I had to select among several tubes to find one that...
