[Elecraft] KPA100 Voltage Measurement Discrepancy Question

[Tom Arntzen]

I had same readings Brian!
I thought that I would go on since readings was under 10% down.
Worked OK.
My PS was 14,2v.
Move on !
Good luck.
Tom LA1PHA

----- Original Message ----- 
From: "Brian Wruble" <bwruble at ix.netcom.com>
To: <elecraft at mailman.qth.net>
Sent: Wednesday, November 10, 2004 10:08 PM
Subject: [Elecraft] KPA100 Voltage Measurement Discrepancy Question


> Hi all:
>
> I just completed the "Initial Tests" section for my KPA100 to go with K-2
> S/N 4387.  The power supply voltage is 13.2V.  Several of the pin voltage
> measurements were a little low:
>
> U1 Pin 1 4.895V instead of 5.0V
> U1 Pin 20 4.895V instead of 5.0V
> U1 Pin 27 5.59V instead of 5.8V
> U1 Pin 28 5.44V instead of 5.7V
> U4 pin 11 4.895V instead of 5.0V
>
> Do I have a problem?  Where should I look?
>
> Thanks.  73 de Brian W3BW
>
>
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