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Re: Sommerkamp FT-277ZD (Yaesu FT101ZD) MK3 has RX and TX problem on some bands


 

Dear Bruce Collins!

Thanks!
I found the oscillator board, every crystal is on the board , no missing crystal

Thanks László ha5bzr?


"Bruce Collins via groups.io" <kb0tj1@...> ezt írta (2024. nov. 18. 19:40):

As viewed from the front of the radio in it’s normal operating position, the crystal oscillator board is in the front right corner by the loading control shaft and is mounted vertically?
the slug adjustments for each crystal are for coupling and you should read the service manual to learn how to set each section’s output level. You don’t really change the frequency of each section by adjusting these slugs!!

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