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Re: [TowerTalk] Help with semi-broken Array Solutions Power Master II Wa

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Help with semi-broken Array Solutions Power Master II Wattmeter
From: john simmons <jasimmons@pinewooddata.com>
Date: Mon, 12 Aug 2024 19:20:09 +0000
List-post: <mailto:towertalk@contesting.com>
Using a SWAG, and since the sensor isn't complex I'd look there first. Open it 
up and look carefully at everything under a strong light. If there is a PC 
board, examine both sides. Since it is off by a factor of ten, there may be a 
resistive voltage divider that has a resistor that has changed value, or a 
ground reference has been blown open. Another possibility is an open 
semiconductor. Good luck!

73
-de "Curly" John NI0K
QRZ.com<https://www.qrz.com/db/ni0k>
Hamshack Hotline<https://hamshackhotline.com/> call me: 6100271
On 8/12/2024 1:14 PM, Jim Brown wrote:
On 8/12/2024 8:55 AM, Mike Smith VE9AA wrote:
Recently I had some minor damage in the shack from a nearby lighting strike
and my Power Master II is no longer functioning correctly.  Jay is not
responding (retired) and I understand that.  He's sold me some great
equipment over many years and has also helped me with tech support a couple
times.  Time for him to relax.

Indeed it is. He ran a fine biz for years. >
Mine is the smaller 2 sensor system for 6m/HF SO2R (3kW?)_.

I looked at his system when it first came out, and quickly decided that it 
wasn't enough better than the cheap stuff that I had, and the N8LP system was 
far superior. I didn't have the money for it right away, but when one came up 
used when a member of our contest club went SK, I bought it. It had a single 
sensor, I added a second, and had Larry calibrate them. If you have difficulty 
repairing your unit, I'd jump on Larry's meter.

73, Jim K9YC


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