[ICOM] IC737A Antenna Relay

Gary P. Fiber gfiber at comcast.net
Mon Dec 10 14:02:03 EST 2007


Rick,

During my time at Icom I don't remember any issue with the IC-737A relay.
That series is getting some years of use on them now so some items 
wearing out will not be unusual.
I don't know who actually makes the relay, you might find a manufacturer 
on the case of it. Also it may be a relay driver not the actual relay 
thats in trouble.

Gary K8IZ

Rick Ellison wrote:
> Does anyone know if this is a common problem with the 737A?? The price ICOM
> wants for that little relay is $40.00. I guess I am going to double check to
> make sure its nothing else in the circuit first...
>
> 73's Rick N2AMG
> aim:n2amg
> yahoo:n2amg
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
> Behalf Of Paul Playford
> Sent: December 09, 2007 3:10 PM
> To: ICOM Reflector
> Subject: Re:[ICOM] IC737A Antenna Relay
>
> I think you will find that Icom parts is the least expensive place to by 
> parts for Icom radios.
>
> No $400 minimum order, no $10 handling, no $25 shipping.
>
> de Paul, W8AEF
>
> ZF2JL/ZF2TA  FO8DX/FO8PLA  8Q7AA  XZ0A  VU7RG
> soon to be TX5C
>
> ----- Original Message ----- 
> From: "Rick Ellison" <rellison at twcny.rr.com>
> To: "'ICOM Reflector'" <icom at mailman.qth.net>
> Sent: Sunday, December 09, 2007 12:21 PM
> Subject: [-] [ICOM] IC737A Antenna Relay
>
>
>   
>> I belive that the antenna switching relay in my IC737A has died.. If I try
>> to switch from one antenna to the other the #2 antenna acts like there is 
>> no
>> antenna connected at all. I get no noise no nothing. Upon looking at the
>> Antenna switching board I see 2 relays with one switching like it
>> should(RL2) but I cannot feel or hear the main relay (RL1) doing anything.
>> Looking at the relay and then double checking the service manual I see 
>> that
>> the relay is a NR-HD-12v. Does anyone know of a source (Looked at my usual
>> Mouser and Digi-Key with no luck) ?? The only ones I see listed doing a
>> google search you need to buy  a whole lot but not just one..Is this an 
>> Icom
>> only stocked item????
>>
>>
>>
>> 73's Rick N2AMG
>>
>> aim:n2amg
>>
>> yahoo:n2amg
>>
>>
>>
>> ----
>> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> Icom FAQ: http://www.qsl.net/icom/
>>
>>
>>
>>
>> -- 
>> No virus found in this incoming message.
>> Checked by AVG Free Edition.
>> Version: 7.5.503 / Virus Database: 269.16.17/1179 - Release Date: 
>> 12/9/2007 11:06 AM
>>
>>
>>     
>
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
>
> __________ NOD32 2711 (20071207) Information __________
>
> This message was checked by NOD32 antivirus system.
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>
> ----
> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
>
>   



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