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Service manual President Jackson PCB PB-042AE

Tech5

Sweden near the Arctic Circle
I Support WorldwideDX.com!
Jun 24, 2023
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Sweden near the Arctic Circle
Hi!

I am looking for a service manual for a President Jackson, which can be seen in the attached photos, and I have tried hard to find it, but to no avail. My friend, who is the owner of the radio, says that it intermittently refuse to switch to TX. There is, as he said, not the microphone because he tested three different and same problem occurred. I have not been able to get same symptom on my bench, so I do not know ... :rolleyes:

73's

Bjorn
 

Attachments

  • Front(1).jpg
    Front(1).jpg
    2 MB · Views: 10
  • PCB.jpg
    PCB.jpg
    1.5 MB · Views: 11

I picked one up at an estate sale and it did not transmit at all. It did not even trigger the XMT light. I started with a recap and a good cleaning and the radio works great!!
 
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  • @ 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.