[Heathkit] HL-2200 problem!

[K5MYJ]

"residents ? What kind of residents ?

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Bry Carling" <bcarling at cfl.rr.com>
To: "Alexander N. Gerli" <ac1wye at gmail.com>
Cc: <heath at puck.nether.net>; <heathkit at mailman.qth.net>
Sent: Friday, November 22, 2013 9:43 PM
Subject: Re: [Heathkit] HL-2200 problem!


> If you have a grid dip meter you can check the plate circuit and the grid 
> circuit for residents on any given band.
>
> Bry
>
> Bry Carling
> http://af4k.com
> Sent with my iPhone 6
>
>
>> On Nov 22, 2013, at 11:18 PM, "Alexander N. Gerli" <ac1wye at gmail.com> 
>> wrote:
>>
>> Hi, gang,
>>
>> Gads, Murphy is having a ball in my shack...
>>
>> I'm firing up my restored HL-2200 for the first time with a nice fresh 
>> set
>> of tubes. Both the old tubes that came with it had grid-to-filament 
>> shorts
>> (BANG and BANG).
>>
>> I was careful when I rebuilt the tank. I installed an original SB-221 
>> tank
>> coil and carefully rewired it to the tank coil taps. Reinstalled the Tune
>> and Load caps and the doorknobs and the parasitic chokes. Got everything
>> cleaned up and looking like new.
>>
>> I ran the tubes with no load for about four hours to cook them a bit.
>> Decided to put some drive to them. Up to 200MA, and dipped the plate. 
>> Whoa!
>> the Tune condenser had no effect at all and NO output, so I shut her 
>> right
>> down and got out the Manual.
>>
>> The "In case of" section mentions checking the rear bandswitch wafer to 
>> be
>> sure it's set right. Well, it's possible that I didn't set it right, but 
>> I
>> remember reading the part about making sure the wafer contacts Pins 6 and
>> 12 only when the front wafer (input) is set to 80M. I don't have it apart
>> yet, but will do that this weekend. That makes sense to me that the tank
>> wafer might not be set right. The other possibilities are L7 on the input
>> side being installed wrong, but I didn't work on any of the input wiring;
>> it looked fine to me and original. Or, the T/R Relay might be smoked? I
>> doubt that, because the transceiver still hears fine on Rx. Now, that
>> doesn't mean the Tx contacts might be bad.
>>
>> Now, with those two "BANGS" with the old tubes, it it possible that I 
>> might
>> have lost one or both of the doorknobs? Or, maybe the inline choke going
>> from the HV feedthrough to the big plate choke? I was able to draw Ip, so
>> the metering is fine. Anyone have any thoughts on this?
>>
>> 73, Sandy AC1Y
>>
>>
>>
>>
>> Alexander N. Gerli, Sr.
>> 548 Allred Mill Road
>> Mount Airy, NC 27030-2202
>>
>> Scotsmen walk about 900 miles each year.
>> A Scotsman drinks around 45 gallons of Whisky a year.
>> Scotsmen get about 20 Miles Per Gallon.
>> ______________________________________________________________
>> Heathkit mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/heathkit
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Heathkit at mailman.qth.net
>>
>> List Administrator: Duane Fischer, W8DBF
>> ** For Assistance: dfischer at usol.com **
>>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> Heathkit mailing list
> Home: http://mailman.qth.net/mailman/listinfo/heathkit
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Heathkit at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html