In 10 paragraphs you havent said one thing about what the actual problem is.
Carl
KM1H
----- Original Message -----
From: "Jim" <jdunbar28@mchsi.com>
To: <amps@contesting.com>
Sent: Saturday, May 03, 2008 4:47 PM
Subject: [Amps] Amp Supply LK-500ZB
>I have an AMP Supply LK-500ZB with two brand new 3-500 finals from RF
>Parts.
>
> The tubes have been burned in with the filiaments operating without any
> High
> Voltage for 24 hours.
>
> I am the original owner of this amplifier, and it has not hardly ever been
> used. In all of my moves in the military over the years the original tubes
> were lost in shipping.
>
> I had someone look at the amplifier and I was told that there may be a
> minor
> problem with the meters. There are two big meters: One meter is for Plate
> Current and the other Meter is for HV and/or grid current.
>
> The only components on the back of each meter are two large diodes back to
> back across the Meter studs as well as a single capacitor.
>
> What is the easiest way to trouble shoot potential metering problems on
> these kinds of amplifiers?
>
> Everything else seems to be fine in the amplifier as far as appearance.
>
> Again, the amplifier has almost never been used, and I would like to get
> it
> operational again.
>
> This amplifier also came with a heavy duty floor mounted transformer. With
> this option, I can disconnect the internal Peter Dahl Transformer in the
> RF
> deck and connect two connectors together which then routes the external
> transformer into the circuit. Therefore, I can either use the standard
> internal Peter Dahl or the large heavy duty external HV transformer.
>
> Would appreciate and suggestions as to how I can proceed to trouble shoot
> the minor problems, as the amplifier has brand new tubes and has very few
> hours on the amp itself.
>
> Thanks,
>
> 73s,
>
> K4PV
>
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