[Boatanchors] HRO-60 repairs

[Carl]

----- Original Message ----- 
From: "LEE BAHR" <pulsarxp at embarqmail.com>
To: <WA5CAB at cs.com>; <boatanchors at mailman.qth.net>
Sent: Saturday, February 27, 2010 12:33 AM
Subject: Re: [Boatanchors] HRO-60 repairs


>I many time cut out the old part and then put some hooks in the remaining
> intact wires.  then I cut the new parts leads to fit and make some loops 
> in
> the parts wiring.  I then hook the loops together and solder.  This way, 
> you
> don't hook up the part to a wrong place and also don't disturb other 
> wiring
> going to the same point of contact.


I sometimes do that on switch contacts or just use a Solder Aide to poke a 
hole thru the molten solder for a new lead. With todays components using 
thin leads the end result is invisible.


>
> When the old part can be totally removed without affecting other 
> components
> I do this too.  You just need to use common sence as to what technique is
> best for a particular application.


Amen


>
> I think it is bunk to have to totally remove a component's leads when
> restoring an old radio.  What I described above has never failed me nor 
> does
> it look bad and it certainly at times helped preserve some other 
> components
> from being destroyed when replacing a part.


It all depends upon when and how/where you were trained.

Carl
KM1H


>
> Lee
> w0vt
>
>
>>I used the same method while repairing a BC-611-F IF transformer last 
>>week.
>> Coils are wound with Litz wire.  I wound a short Quig onto the end of #30
>> AWG tinned copper extension lead, stuck the other end of the extension
>> through the rivet hole going to the external terminal, slid the Quig over
>> the
>> pre-tinned end of the Litz wire, and flowed solder into the Quig..  Then
>> attached the extension to the terminal.
>>
>> In a message dated 2/26/2010 10:48:42 PM Central Standard Time,
>> drewrailleur807 at yahoo.com writes:
>>> On leaded component replacement, Al Klase wrote:
>>>
>>> "I much prefer this method;
>>> http://www.skywaves.ar88.net/commrx/Maintenance/Comprepl/component_replacem
>>> ent.htm"
>>>
>>> Al is referring to the "Quig" method which neatly couples lead ends
>>> together, eliminating the need for unwrapping component leads from
>>> terminals and
>>> greatly reducing the chance for damage.
>>>
>>> In recapping an SX-28, I removed the RF section shield/divider plates,
>>> each having a section of the bandswitch.  This entailed removal of a
>>> number of
>>> connections from the bandswitch section contact terminals.  I worked on
>>> desoldering and removing the leads from the terminals for all of about 
>>> 20
>>> seconds before realizing that the switch terminals are fragile, the
>>> switch
>>> sections are virtually irreplaceable, and that I was headed for trouble.
>>> Stopping that approach before wreaking damage, I then decided to cut the
>>> pertinent leads near the switch terminals, leaving about 1/8 inch stubs
>>> protruding.  Upon reassembly, homemade "Quigs" made for neat 
>>> reconnection
>>> of switch
>>> leads via the stubs.  No damage was done, and the SX-28 works well.
>>>
>>> Drew
>>>
>>
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