[ICOM] 756ProII Power off/Reset on Xmit

[Clif Holland]

Try a different power cord.

Clif Holland, KA5IPF
AVVid
Authorized Kenwood and Icom Service Center
816 W Shady Grove Rd
Irving, TX 75060

www.avvid.com

1-800-214-5779
972-870-0630 (local)


----- Original Message ----- 
From: "Frank N. Haas" <headrat at rats-computers.com>
To: <icom at mailman.qth.net>
Sent: Sunday, June 27, 2004 6:16 AM
Subject: [ICOM] 756ProII Power off/Reset on Xmit


>
> Riddle me this, IcomMan!
>
> My 1.5 year old 756ProII has developed a new problem. It's about to make
> its second trip to ICOM for service.
>
> When I attempt to transmit, even with RF Power turned down to 5 watts, or
> if I press the TUNER button, in either CW, RTTY or SSB modes, the radio
> will instantly shut off and turn itself back on. Any attempt to transmit,
> either via the VOX, Transmit button or CW break-in operation will cause
the
> radio to instantly shut down and restart. The display blinks off and the
> radio behaves as if I just turned it back on.
>
> A MASTER CPU RESET does not resolve the issue. Icom Tech Support asked me
> to try another power supply. I swapped out my PS-125 for another I have
> here and the symptoms are the same. They could offer no other solution
> other than to send it in for service.
>
> It would appear that something shorted hard. The radio is now .5 years out
> of warranty. The first trip to Icom was to repair an intermittent solder
> joint at L114 in the bandscope circuitry 6 months ago. Now this. I guess
> I'm going to have to buy a second 756ProII for use while one is in the
shop
> :-(
>
> I can't ship it until Monday. Anyone care to offer another troubleshooting
> idea before the unit gets boxed for shipping?
>
> 73,
>
> Frank N. Haas KB4T
> Florida
>
>
> ----
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>