[SignalOne] Re: SignalOne digest, Vol 4 #59 - 2 msgs

Tue, 23 Dec 2003 08:23:21 -0600

Hi John

The part is RT1.  Page 6-16, 6-14.  it is a surge suppressor.  It is not =
a thermistor.
It absorbs the curent in rush when you turn on lthe s1.  As it gets hot i=
ts resistance drops
bringing the rig up to full power.

John W9DND

----- Original Message -----
From: [email protected]
Sent: Tuesday, December 23, 2003 2:57 AM
To: [email protected]
Subject: SignalOne digest, Vol 4 #59 - 2 msgs

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Today's Topics:

   1. Re: CX-7A (Joachim Groeger)
   2. Signal One Thermistor (John Kenney)

--__--__--

Message: 1
Subject: Re: [SignalOne] CX-7A
From: [email protected] (Joachim Groeger)
To: <[email protected]>
Date: 22 Dec 2003 11:04 GMT
Reply-To: [email protected]

Hi, John

unfortunately can't help you with parts. But have you thought about check=
in=3D
g the 8072 or the Nixie counter board for shorts before you stuff the box=
 w=3D
ith new components?

73

JRG
G4XXW, DK3NG,EL0AA/MM=3D20

"JLittlejohn W9NET" <[email protected]> schrieb:
>Hi, guys.  I have a CX-7A that died on me yesterday.  It was working, an=
d
>then blew the fuse.  No smoke was released.  I replaced the fuse and tri=
ed
>again and two rectifiers in the power supply (75A1's) CR 15 and CR 13 bl=
ew
>up.  I removed the power supply board and replaced them with 1N4004's.  =
Bl=3D
ew
>another fuse.
>I have some questions:
>1)  does anybody have a parts radio that I could get a power
>supply board?
>2)  can someone verify that the white wire (#230)  on the lower left cor=
ne=3D
r
>of the power supply board goes to the 3rd pin from the left?
>This is a great radio--sure wish I could get it going again.
>
>Regards, John
>
>John D. Littlejohn, W9NET
>4 Brushmeade
>Hollidaysburg, PA  16648
>814-693-9767
>[email protected]
>[email protected]
>
>_______________________________________________
>SignalOne mailing list
>[email protected]
>http://mailman.qth.net/mailman/listinfo/signalone
>

--=3D20

        Jeder Wohlgesinnte und Einsichtige ergreife also
mit mir Partei f=3DFCr die deutsche Sprache
gegen die deutsche Dummheit
Arthur Schopenhauer (1788 - 1860)

--__--__--

Message: 2
From: "John Kenney" <[email protected]>
To: <[email protected]>
Date: Mon, 22 Dec 2003 21:43:34 -0800
Subject: [SignalOne] Signal One Thermistor
Reply-To: [email protected]

Hello - I thought I would try to get my rig back on the air.  Turned it =3D
on - nothing.  The thermistor (?) that is off the AC Power switch has =3D
ended up in a lot of crumbs.  I think it is a thermistor, since that's =3D
what is left looks like, but I can't find it in my book.  Can anyone =3D
tell me what it is and what the best value should be?  I appreciate any =3D
info.
Thanks,=3D20
John Kenney, W7COI
CX7A, #228
=3D20

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