[Boatanchors] [Heathkit] More DX-35 problems

[WØQFC]

Mike:

Thanks for the reply and info.

The plate current reading is from the original DX-35 meter and the watt 
meter is a really old MFJ, so I am not sure how accurate they are..

Would a neutralization problem cause the shallow dip AND the problem of not 
being able to adjust the drive????

I am 99% sure that it is wired correctly, but possible still a bad 
connection. . .

Gene, WØQFC

----- Original Message ----- 
From: "Mike Goshay" <w6we at bak.rr.com>
To: "WØQFC" <erastber at tampabay.rr.com>; "heathkit" 
<heathkit at mailman.qth.net>; <FLBOATANCHORS at yahoogroups.com>; 
<boatanchors at mailman.qth.net>
Sent: Wednesday, March 18, 2009 9:53 AM
Subject: Re: [Heathkit] More DX-35 problems


756v X .120ma=90.72 w INPUT. You must have a neutrilization problem as your
final  is now actitng like an oscillator. Have someone double check your
rebuild for you. Musta miswired something somewhere.  Mike G w6we
----- Original Message ----- 
From: "WØQFC" <erastber at tampabay.rr.com>
To: "heathkit" <heathkit at mailman.qth.net>; <FLBOATANCHORS at yahoogroups.com>;
<boatanchors at mailman.qth.net>
Sent: Wednesday, March 18, 2009 6:39 AM
Subject: [Heathkit] More DX-35 problems


After correcting some stupid mistakes (One bad solder joint and a unsoldered
connection) and the assistance of a few list members, I was able to get B+
to the oscillator.

The rig works except I have a very shallow plate current dip (at 120 mA (756
volts)) and I can not adjust the grid drive. It stays at 4 mA and can not be
changed with the drive control.

Also, the antenna loading control has NO effect on the plate current
reading.

The watt meter shows 100 watts into a dummy load.

The above conditions exist on any band, using several different xtals.

The rig was rebuilt with all new resistors and caps. . . .

Any ideas on correcting the above problem(s)?

TIA es 73

Gene, WØQFC

Stuff for sale: www.w0qfc.shutterfly.com
Web site: www.w0qfc.com

AF&AM #91 Lafayette CO

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