[TowerTalk] G-2800DXA lightning damage

Thu Sep 4 12:26:42 EDT 2014

Yes I use one, but built by Morgan Mfg., Model M-348,  which I conveniently carry and it's a lot less expensive:
http://www.kf7p.com/KF7P/MorganMfg..html

Chris
KF7P

On Sep 4, 2014, at 10:21 AM, EDWARDS, EDDIE J wrote:

> Regarding the issue of lightning damage to control boxes, I'm wondering if you guys are using surge protectors on your rotor lines or not?  
> 
> Polyphaser makes one and probably some others do as well.  
> http://www.dxengineering.com/parts/ppr-is-rct 
> 
> 
> 73, de ed -K0iL
> 
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> Today's Topics:
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>   1. Re: G-2800DXA lightning damage (Edward Sawyer)
>   2. Re: [Bulk] Re:  G-2800DXA lightning damage (Grant Saviers)
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> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 3 Sep 2014 18:08:16 -0400
> From: "Edward Sawyer" <SawyerEd at Earthlink.net>
> To: <towertalk at contesting.com>
> Subject: Re: [TowerTalk] G-2800DXA lightning damage
> Message-ID: <000301cfc7c3$902b2310$b0816930$@Earthlink.net>
> Content-Type: text/plain;	charset="us-ascii"
> 
> To my knowledge, Yaesu does not repair the rotor or the control box.  They
> will sell you the control box but its not cheap AT ALL!  They will also sell
> the stand alone rotor without the control box.  
> 
> 
> 
> To properly debug the problem, it is always handy to have an extra Yaesu
> control box so that it can be swapped out to see if the problem is the box
> or the cable/rotor.  I have actually found the rotor itself to be darned
> reliable.  But the boxes are incredibly fragile to all kinds of stuff.  I
> have a grave yard of a number of boxes and have a winter project in mind to
> try and make one good or maybe two good boxes out of them so I have spares.
> Its not a matter of IF you need to replace a Yaesu rotor control box - it's
> a matter of when.
> 
> 
> 
> Ed  N1UR
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Wed, 03 Sep 2014 20:12:47 -0700
> From: Grant Saviers <grants2 at pacbell.net>
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] [Bulk] Re:  G-2800DXA lightning damage
> Message-ID: <5407D8AF.5000104 at pacbell.net>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 
> Having been into the 2800 control box for mechanical repairs, I 
> understand why Yaesu doesn't repair them.  It's a dog's breakfast of 
> interconnections among 3 pcbs.  The schematics are just as bad, 
> spaghetti signal flows.  The servo control to drive the pointer drive 
> motor is complex.  The gear train behind the pointer is not for the 
> fumble fingered and the o-ring used to drive the pointer is just this 
> side of comical.  The whole thing has to come apart for replacement when 
> they stretch or dry rot.  My advice is to buy a Green Heron if the 
> control box is bad.
> 
> The rotator mechanics OTOH seem pretty well made and designed (except 
> for getting the 500 ohm pot precisely aligned).
> 
> Grant KZ1W
> 
> 
> On 9/3/2014 3:08 PM, Edward Sawyer wrote:
>> To my knowledge, Yaesu does not repair the rotor or the control box.  They
>> will sell you the control box but its not cheap AT ALL!  They will also sell
>> the stand alone rotor without the control box.
>> 
>> 
>> 
>> To properly debug the problem, it is always handy to have an extra Yaesu
>> control box so that it can be swapped out to see if the problem is the box
>> or the cable/rotor.  I have actually found the rotor itself to be darned
>> reliable.  But the boxes are incredibly fragile to all kinds of stuff.  I
>> have a grave yard of a number of boxes and have a winter project in mind to
>> try and make one good or maybe two good boxes out of them so I have spares.
>> Its not a matter of IF you need to replace a Yaesu rotor control box - it's
>> a matter of when.
>> 
>> 
>> 
>> Ed  N1UR
>> 
>> _______________________________________________
>> 
>> 
>> 
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>> TowerTalk mailing list
>> TowerTalk at contesting.com
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> 
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