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Re: Harris Gates 2, 2500 watt, one bad output module
To: CRTech <crtech@crtech.org>
Subject: Re: Harris Gates 2, 2500 watt, one bad output module
From: JIm Turvaville <jimturbo61@yahoo.com>
Date: Sat, 29 Jul 2017 18:16:09 +0000 (UTC)
Content-length: 11557
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In-reply-to: <alpine.WNT.2.10.1707291045310.3084@Lyle-Dell-D630>
References: <alpine.WNT.2.10.1707261617380.4232@Lyle-Dell-D630> <CAHL64sEPqhQDkZaijGWd5T4LUaDuSyhrNMg2ijpoXJo64rO+EA@mail.gmail.com> <alpine.WNT.2.10.1707291045310.3084@Lyle-Dell-D630>
Reply-to: JIm Turvaville <jimturbo61@yahoo.com>
If this book represents the transmitter Lyle is referencing, I'm not aware the modules can be removed individually and sent for service; I take care of a 5kw of this series and they are pretty field-repair only boxes. TTBOMK. 


 
Jim "Turbo" Turvaville 
SBE Certified Radio Engineer 
Turbo Technical Services 
 PH: 719-459-1859 
 www.jimturbo.com



From: RADIO DOCTOR <lylehenry@fastmail.fm>
To: CRTech <crtech@crtech.org>
Sent: Saturday, July 29, 2017 12:47 PM
Subject: Re: [CRTech] Harris Gates 2, 2500 watt, one bad output module

I got a photo of the name plate:

Model:  GATES TWO    12/16/99
Part number: 994-9203-002
FCC ID:  GATES TWO
Serial number:  MP01663000001
Frequency:  590 KHZ
Power Out:  2.75 / 0.2 KW 220 VAC    1 Phase  60 HZ


On Sat, 29 Jul 2017, Kevin Kidd wrote:

> Lyle,
>
> Are you sure that it is a Gates 2 (ie, just an updated SX)?  They
> really aren't modular in the classic sense.  IE, I don't believe that
> you can just remove an RF or PDM amp board to send off for repair.
> And if it is at exactly 50% pwr, it could be an RF problem, PDM amp
> problem, exciter/PDM generator problem or even a PS missing.  OR worse
> half a problem on any of those.
>
> They are fairly easy to test and trouble shoot in the field.  The last
> time that I called Harris about the Gates series, they were able to
> offer pretty good troubleshooting advice.
>
> I don't know if Mike monitors this list but he very likely might have
> working spare boards to swap.
>
> The later model Harris AM's have removable RF modules but I have never
> worked on one and don't know if the tx will working missing one.
>
>
> Kevin C. Kidd, CSRE/AMD
> Lawrenceburg, TN
> AM Ground Systems Company  -  WD4RAT
> kkidd@kkbc.com  --  866-22-RADIO -- 866-227-2346
> www.amgroundsystems.com
>
> On Wed, Jul 26, 2017 at 6:38 PM, RADIO DOCTOR <lylehenry@fastmail.fm> wrote:
>
>> KTHO 590 near Reno, NV says they're at half power.  There are two
>> power modules that feed a combiner to make the 2500 watts.  One of
>> the modules is bad.  Gates Air asks big bucks for a new module, so he
>> wants to get it repaired.  But if he takes either module out, it
>> won't come on the air at all.
>>
>> Mike Patton, I suppose you can fix this if someone can explain how to
>> keep it on the air?
>>
>> ...Lyle, the FMeXtra guy


FMeXtra digital SCA systems - encoders and receivers
SCA/FM/FMeXtra radios: fixed & tunable-wood cases-nice sound
Sidekick SCA generators - 67/92kHz-checked and calibrated
--------------------------------------------------------------
  Lyle Henry, CPBE  THE RADIO DOCTOR  K9DKW  Los Angeles, CA
SCA Consultant:  Brazil, China, India, Mexico, Taiwan, SE Asia
        323-660-4690 Home/Office    213-880-4690 Mobile

--------------------------------------------------------------


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References: Harris Gates 2, 2500 watt, one bad output module
(RADIO DOCTOR <lylehenry@fastmail.fm>, 26 Jul 2017 23:38:53 -0000)
Re: Harris Gates 2, 2500 watt, one bad output module
(Kevin Kidd <kkbroadcastengineering@gmail.com>, 29 Jul 2017 12:20:46 -0000)
Re: Harris Gates 2, 2500 watt, one bad output module
(RADIO DOCTOR <lylehenry@fastmail.fm>, 29 Jul 2017 17:47:04 -0000)
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