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Maxon CM 70: Adjusting Output Power After Changing 2SC2314 Driver & 2SC2078 Transistor

dinoni123 5079 0
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  • #1 12905594
    dinoni123
    Level 9  
    Hello
    I have changed output transistor 2 pars one driver 2SC2314 and power 2SC2078 and it look like now CB work, but I don't have all output power. What is strange on 1 channel I have 1W on 20 channel I have 1W also on "de" band 45 channel (26.605) I have 3,5W which is good. So, someone told me that even if I change output transistor of the same time CB must be tuned through some trimmer potentiometer or "pots".
    Do you know which trimmer or pots most be corrected to get again on my output on 20 channel 4W (when all work fine I had near 4W more like 3,5W which I have on "de" band (26.605) 45 channel.
    All that I have courage to touch is AM/FM PWR trimmer please see picture in attachment.
    If is not problem for you please in few word explain to me which steps I must make to correct this anomaly.

    Thanks & Regards
    Maxon CM 70: Adjusting Output Power After Changing 2SC2314 Driver & 2SC2078 Transistor
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