[KCDXC] Fw: your alpha problem

[George Yantis]

As Larry said, Alpha no longer supports their older products.

http://www.rfconcepts.com/FAQ/Phone-Support-Policy

I sent a separate email to him with info that might be of some help.

George  K0GY


-----Original Message-----
From: kcdxc-bounces at mailman.qth.net [mailto:kcdxc-bounces at mailman.qth.net]
On Behalf Of Mike ZooLoo
Sent: Friday, December 13, 2013 5:54 PM
To: mcrabtree at kc.rr.com; KCDXC for Fun
Cc: KCDXC
Subject: Re: [KCDXC] Fw: your alpha problem

Alpha won't take care of this?






On Friday, December 13, 2013 9:36 AM, "mcrabtree at kc.rr.com"
<mcrabtree at kc.rr.com> wrote:
 
I have alerted K0RWL about N4UQ his Alpha repairs. Anyone else who knows of
some one who does Alpha repairs, please respond to Larry directly.

AB0X

From: Larry Wilson
Sent: Thursday, December 12, 2013 11:39 AM
To: mcrabtree at kc.rr.com
Subject: Fw: your alpha problem

LOOKING FOR SOMEONE TO WORK ON IT....WILL DELIVER, PICKUP AND PAY Pass info
to the club members please or whomever you know


On Wednesday, December 11, 2013 5:25 PM, Larry Wilson <k0rwl at yahoo.com>
wrote:




On Wednesday, December 11, 2013 4:04 PM, Bill Wheeler <bwheeler at socket.net>
wrote:

Larry,

This is just a long shot, but it sounds like a microprocessor or soft ware
problem in the control circuit.  In other words it is losing its brains from
time to time.  Gary, N0GW, and I have discussed your problem and the
processor can be replaced but would need to be re-programmed and only Alpha
would have the software.  You might be able to find a controller board and
replace the entire board.  Sorry I can not be of more help. 

Bill

K0DEW
  ----- Original Message -----
  From: Larry Wilson
  To: John Howard ; k0dew at arrl.net ; kc0yns at yahoo.com
  Sent: Wednesday, December 11, 2013 2:27 PM
  Subject: Fw: your alpha problem

  I'm using an Alpha 8100 driven by a Yaesu FT2000.  The amp requires @50
watts to obtain 1500 from the amp.  It operates in Class AB2 using (2)
4CX800As.  The control circuit will fault to standby or off (hard fault)
when an unsafe operation occurs.  The fault type codes are reported in the
amp telemetry data via the serial/usb port on the back of the amp.  Alpha no
longer support the 8100 among several other and will not answer questions
effective 12-01-2013.  In November when I talked with them they suggested
the following:  check (3) specific fuses (type/rating--checked okay.  Pull
one tube out and go through startup procedure--check fine; do same with
other tube--checked fine.  Put both back in and operated okay for three
weeks and started same problem over again.  Included video of startup
procedure on my amp and will last about 150 seconds (normal) and you much
watch all.  Would like to get this fixed...suggestions welcomed...Larry
K0RWL
  

  On Monday, December 2, 2013 6:51 PM, e wilson <ewilson238 at gmail.com>
wrote:

      
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--
Its not how many watts you have,
its the SIZE of your watts that matter! -- Johnny Marshall, W0JM-SK
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