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Is the Acom 1200S frequency expandable? mars mod?

Hello Jeff , I saw this pdf, but my acom looks different inside , and I can not find diode d202 and d203, One of the boad on the left side amplifier has two layers , I checked both boards and can not find diodes
 
AudioShockwav said:
In the above PDF file is this image.
User Udo has never reported back about the issue of not working after the modification, as always proceed at your own risk.

73
Jeff
View attachment 76327
Click to expand...
Hello Jeff, I my acom1200s looks different inside , there is two layer of boards on the left side of the amp , but I can not find diodes d202 and d203
 

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AudioShockwav said:
I have no further information on this one, just what is posted above, it's very possible that the manufacturer has changed or revised the amp since this was posted.
Have you reached out to the manufacturer to see if they can direct you to a more recent modification?

73
Jeff
Click to expand...
AudioShockwav said:
I have no further information on this one, just what is posted above, it's very possible that the manufacturer has changed or revised the amp since this was posted.
Have you reached out to the manufacturer to see if they can direct you to a more recent modification?

73
Jeff
Click to expand...
I contacted via email today , hopefully I will get some answers soon ,
Thank you for your quick response.
Best regards
 
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    +1
  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.


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