[ICOM] No power out on my 7600

[JK]

Phil.....was there a ground wire connected to the rig when everything 
elese was removed? Sometimes the lightning can get in thru the ground 
lead. Hapeened twice to a friend in S.Fla. Only ground was connected to 
his radio.


Jay


On Sun, May 22, 2016 at 11:04 AM, Phil Krichbaum wrote:

>    I've had two 756 PROIIs loose power output for no apparent reason. 
> On the 1st PROII it was new after the first hour of taking it out of 
> the box and making two CW QSOs with 5w and one at HP on a perfectly 
> clear winter night. Icom doesn't seem to think this is a problem but 
> some FETs in the tuner were blown but not the finals. The RX still 
> worked fine but there was no measurable output. Icom at first refused 
> to repair under warranty and claimed I had operated it out of warranty 
> and wanted some $180 for the repair! The RX is not disconnected from 
> the RX ant terminal when you TX unless you buy the after market RIG 
> Saver (not an Icom product). These are not the only brand rigs with 
> this problem of the RX not being disconnected from the RX ant terminal 
> when you TX! The next time this happened it was out of the warranty 
> period and I sent it to a non Icom repair shop that added the Rig 
> Saver. Later a lightening strike came in the power line on the neutral 
> side and wiped out the rig. It was not connected to an antenna and was 
> off but the Icom PS was plugged into the AC line and also off. There 
> was not damage to the PS and it is still in use with a  756 PROIII.
>    Anytime I leave the shack during lightening season I now try and 
> disconnect all antennas and AC plugs in the shack. I've heard of Icom 
> rigs having these loss of power out problem even from blowing snow or 
> dust and they are not the only rigs with these problems.
>    Phil N0KE
>
> JK wrote:
>>
>> It seems I have heard about quite a few uneplained final failures in 
>> Icom radios from IC-751 and beyond.
>>
>>
>> Where U doing anything unusual that could cause final failure?
>>
>>
>> Check output on all bands. On my 756 Pro lll  recently had close to 
>> full output on some bands and hardly any on others. Finals had to be 
>> replaced. My finals were damaged when I was using a beverage antenna 
>> connected to the ant aux socket. It seems ICOM does not switch off 
>> that connector when in transmit mode and this allows high voltages or 
>> currents to get into circuitry that may cause damages to components 
>> on the PA board.
>>
>>
>> Good luck. Hope it is not ur finals.
>>
>>
>> Jay...NE2Q
>>
>> On Sun, May 22, 2016 at 08:01 AM, Jim Fox wrote:
>>
>>> My 6 year old 7600 has apparently lost its finals. Worked fine last 
>>> 6 years but last night no power out (10 watts). I'm in the process 
>>> of moving from Kansas to Arizona so don't have much time to trouble 
>>> shoot. Have full 13.8 volts at the back of the radio into dummy 
>>> load. Any quick check ideas ?     Jim / w7hfg
>>>
>>> Sent from my iPad
>>> ----
>>> Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
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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/
>> To support QSL/QTH.net: http://www.qsl.net/donate.html
> ----
> 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/
> To support QSL/QTH.net: http://www.qsl.net/donate.html
>