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Re: [Amps] Commander HF 2500

To: Jay Sturtevant <k2ztdx@gmail.com>
Subject: Re: [Amps] Commander HF 2500
From: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 25 Jan 2018 07:15:40 +0800
List-post: <mailto:amps@contesting.com>
No. Not necessarily but what is critically important, is to check the value of the resistors across each of the filter caps.

My friend, K4HB, had a filter cap erupt and burn out the section of board it was mounted on. He ordered a new set of caps and I advised him to check the resistors.

Not a single one was in spec. The one across the faulty cap was open circuit.

With new caps and resistors and a repaired board, he is back on the air with the 2500.

73, Alek.
VK6APK

On 23/01/2018 11:05 PM, Jay Sturtevant wrote:
Hello,

My Commander HF2500, new in 1996, is still working up to spec, including
plate voltage at 2,850 without a load.

Should I consider replacing the filter caps?

Thanks for your comments.

Jay, K2ZT
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