[ICOM] WTB: UHF Power Amp Module SC-1054 or M57788

[Robin Midgett]

Thanks for the tip, Paul. I suppose I have nothing to loose by trying..


At 12:35 PM 9/29/2006, Paul Playford wrote:
>I have had success repairing modules that have the components 
>laminated to a ceramic substrate.
>
>It appears the substrate expands (and contracts) at a different rate 
>than the circuitry and the circuit traces have a tendency to crack, 
>creating an open circuit.
>
>Found the crack(s) with an ohm meter.
>
>I used a 150 watt soldering gun to solder a small wire to bridge the crack.
>
>It does take a lot of heat for the solder to flow due to the heat 
>sink of the module.
>
>de Paul, W8AEF
>
>
>>----Original Message Follows----
>>From: Robin Midgett <K4IDC at Comcast.net>
>>Reply-To: ICOM Reflector <icom at mailman.qth.net>
>>To: icom at mailman.qth.net
>>Subject: [ICOM] WTB: UHF Power Amp Module SC-1054 or M57788
>>Date: Fri, 29 Sep 2006 08:43:24 -0500
>>
>>Hi,
>>I need an Icom SC-1054 UHF power amplifier module to repair an Icom 
>>IC-901. It is the same as a Mitsubishi M57788. I'm seeking a organ 
>>donor radio from which I can extract this part..new ones are a bit 
>>too expensive.
>>
>>Thanks,
>>Robin Midgett K4IDC

Thanks,
Robin Midgett K4IDC
615-322-5836 office - rolls to pager
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K4IDC at comcast.net
http://www.people.vanderbilt.edu/~robin.midgett/index.htm