[Collins] 30S-1 HV Supply

JAMES T BRANNIGAN [email protected]
Thu, 27 Jun 2002 10:47:02 -0400


Did you check the resistors in the HV multimeter circuit?

Jim
----- Original Message -----
From: "John Davis" <[email protected]>
To: <[email protected]>
Sent: Thursday, June 27, 2002 10:09 AM
Subject: [Collins] 30S-1 HV Supply


> Good Morning:
>
> Thought I was near completion of repair to 30S-1. Bias (-65 to -84 vdc),
Screen (325 vdc), Plate (2550 vdc in SSB, 1750 vdc in CW).  Checked Caps,
Choke, replaced Rectifires and still cannot get higher plate voltage. All
plate readings taken from multimeter.
>
> Would appreciate any help from the expertise on the net.
>
> Thanks, 73,
>
> John, W4JED
> [email protected]
>