Yaesu
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Re: [Yaesu] Firmware version FT990

To: David Vondrasek <n5ito@davidv.net>, yaesu@contesting.com
Subject: Re: [Yaesu] Firmware version FT990
From: Berndt Josef Wulf <wulf@ping.net.au>
Date: Fri, 12 Sep 2003 09:32:53 +0930
List-post: <mailto:yaesu@contesting.com>
On Sat, 6 Sep 2003 12:48 pm, David Vondrasek wrote:
> At 10:17 PM 9/5/2003 -0400, you wrote:
> >I think the last firmware version for the FT990 was 3.0. Can anyone
> > confirm that?
 
This question has now been answered a number of times... perhaps it should be 
part of the FAQ

The last firmware version is 1.3. To upgrade from an older version the 
following part requires replacement:

G1091594        FT-990 ROM IC M37700M4A215FP

It can be ordered from

Vertex Standard
10900 Walker Street
Cypress
CA 90630-5013

Tel: (714) 827-7600
Fax: (714) 827-8100


Replacing this chip requires specialist tools such as a surface mount rework 
station and rework should only attempted by persons experienced in SMD 
reworking.

Alternatively, arrange upgrade of logic board by Vertex.


cheerio B er ndt

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