[Hammarlund] SP-600 RF Deck

[Carl]

My comments to the exact same post on the other forum still apply (-;

Carl

----- Original Message ----- 
From: "Joe Connor" <joeconnor53 at yahoo.com>
To: <Hammarlund at mailman.qth.net>
Sent: Monday, January 02, 2012 9:08 PM
Subject: [Hammarlund] SP-600 RF Deck


Once again, I come to you for some advice.

I am about to tackle the RF deck in my SP-600, JX-14. I've read (and 
re-read) Ray Vasek's excellent article, as well as the Western Historic 
Radio Museum article. I have Chuck remarkable DVD. HOwever, I am looking for 
advice:

1. My solder sucker cannot reach the 12 connections that I need to unsolder 
to free up the RF deck. Dare I try to disconnect these wires without a 
solder sucker? If not, any suggestions on what I should use?

2. I plan to use ceramic discs as replacement caps. Any issue with this?

3. Is there anything else I should watch for or any other tips to make the 
job easier?

You folks helped me out on this set in November. Since then, I have 
re-capped the chassis, the IF cans, the T-9 can and the turret. This has 
gone from a marginally operational set to a sensitive, beautiful sounding 
receiver. If it sounds this good with 20 black beauties in the RF deck, I 
will be excited to hear what it sounds like after those caps are replaced. I 
changed the out-of-spec resistors, although I was surprised to find that 
fewer than a half dozen were more than 10% out of spec. I replaced a few 
missing parts (Thanks, Andy!). Surprisingly, I found that Sears sells the 
hole plugs for the RF deck. Once I finish the RF deck, I plan on installing 
Chuck's audio mods.

As always, thanks for your help.


Joe Connor
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