[1000mp] finding FT1000MP MArk V Field Controlboard

[PA5CA Frans]

Hi I'm new on the FT1000MP reflector.
I have the following question...

I was in the unfortunate position a day ago, most likely blow the max232 on my brand new transceiver. (FT1000MP Mark V Field)
I had some RF feedback on the computer line... it worked FB until the moment I switched to 40m and made a qso using 100W. certainly the log showed a strange qrg and from that moment I'm not able to use the CAT. On the radio the CAT indicator stopped flashing.... 
I tried my laptop, same problem. So most likely the max232 has been fried!!!!!!!!!!!
Question, have someone ever replaced the max232 chip Q5006 located on the control-board??? If yes how bad is it to get to the control_board? Perhaps some one can tell me if there are components position drawings available for the FT1000MP M_V F
I have been working with CAT on my TS850sat using opto-couplers never had a problem... this is the first time using a new rig without the couplers, I thought such a nice piece of equipment has the protection build in... but.... it does not... shame.
So first thing to do after repairs... make a interface with opto couplers....!!!!!

So I kindly ask for some advise.... 

Best regards...  and looking forward to the replies

Frans... pa5ca


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