[BC] FM20H3

[Jeff Allen]

Good plan.  I have scars from the solder drips.  Fun times.

J Allen


----- Original Message ----- 
From: <tg at btsg.com>
To: <broadcast at radiolists.net>
Sent: Monday, February 05, 2007 11:03 AM
Subject: Re: [BC] FM20H3


> Whatever you do, ifyou replace the IPA sockets DO NOT use the original
style caps!!  Use some
> Silver Mica ones instead and solder them to the sockets.  You can get a
kit of them from Harris.
> You can remove the sockets without disassembling the from then on, not to
mention they last longer.
>
> BTW: Get a short stool that will allow you to lie on your back on a pillow
placed on top of the
> blower box.  Much easier on the old frame (yours).  Sit on the stool or a
box and lean back into
> the transmitter (cover your face and eyes to protect you from the solder
drips (A towel over your
> face and safety glasses on the eyes). A good light is indispensable.
>
> Tommy Gray
>
>
> ----- Original Message -----
> From: DHultsman5 at aol.com
> To: broadcast at radiolists.net
> Sent: Mon, 05 Feb 2007 10:58:03 -0700
> Subject: [BC] FM20H3
>
> In a message dated 2/5/2007 1:49:37 AM Central Standard Time,
> kzerocx at rapidcity.net writes:
> However, I remember having to replace several 4CX250B  IPA sockets, in an
> FM-20H3, due to shorted, integral screen bypass capacitors.  After the
> replacing the first one, the fact that I had to do it again always made me
> want to cry.  Can you spell all-nighter with sore back for a week and
solder
>
> ***************************************
>
> After replacing theFM20H3 IPA tube sockets,  I stated I would never
> do that again.  Then a friend wanted me to help him with an old
> Collins 831-G transmitter and I grunted agreement.  We just removed
> the driver box screws and took the entire box to the well lighted
> work bench to replace the socket. He had done this before.  I still
> don't want to replace them on a FM20-H3.
>
> Dave
>
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>
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