[ICOM] IC-746 no TX/RX on HF bands

[Clif Holland]

I am not saying it is an alignment problem, most likely not, but a check of 
the voltages will tell if it is a PLL problem.

Clif Holland KA5IPF
www.avvid.com




----- Original Message ----- 
From: "Bert Almemo" <balmemo at sympatico.ca>
To: "'ICOM Reflector'" <icom at mailman.qth.net>
Sent: Monday, October 02, 2006 3:04 PM
Subject: RE: [ICOM] IC-746 no TX/RX on HF bands


> Hi Clif,
>
> Thanks for the tip. Will take a look at the PLL alignment.
>
> 73 Bert, VE3OBU
>
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] 
> On
> Behalf Of Clif Holland
> Sent: Sunday, October 01, 2006 8:41 PM
> To: ICOM Reflector
> Subject: Re: [ICOM] IC-746 no TX/RX on HF bands
>
> Look in the service manual for PLL alignment. I think you will find the HF
> PLL(s) is unlocked. If it won't align to spec it's unlocked. As to why????
>
> Clif Holland KA5IPF
> www.avvid.com
>
>
>
>
> ----- Original Message -----
> From: "Bert Almemo" <balmemo at sympatico.ca>
> To: "'ICOM Reflector'" <icom at mailman.qth.net>
> Sent: Sunday, October 01, 2006 1:31 PM
> Subject: FW: [ICOM] IC-746 no TX/RX on HF bands
>
>
>> Hello again,
>>
>> No replies so far. Would really appreciate some suggestions and ideas.
>> Thanks.
>>
>> 73 Bert, VE3OBU
>>
>>
>> -----Original Message-----
>> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
>> On
>> Behalf Of Bert Almemo
>> Sent: Tuesday, September 26, 2006 12:32 AM
>> To: Icom reflector
>> Subject: [ICOM] IC-746 no TX/RX on HF bands
>>
>> I have acquired a "sick" 746, not pro, that has no power out and no
>> receive
>> signal on all HF bands. I want to fix it but don't know where to start. 
>> It
>> works fine on 2 meters.
>>
>> According to previous owner the IC151 and some discret components has 
>> been
>> replaced twice but the problem still remains. I've heard about the 
>> problem
>> with IC151 before but there has to be other components involved with this
>> problem. Would appreciate your suggestions and comments. Thanks.
>>
>> 73 Bert, VE3OBU
>>
>> ----
>> 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/
>>
>> ----
>> 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/
>>
>>
>
>
> ----
> 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/
>
> ----
> 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/
>
>