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Kenwood TM-2550A trouble
I have a trouble with my old TM-2550A.
When I turn it on, the unit does not show the display, only the red TX light turn on without pressing any button, even PTT. I tried to reset the CPU shorting the two pins located on the lower board. Also, I measured the CPU battery backup, showing 3,2 V aprox. (after 15 years?). Then, I test the pwr and has no output (0 W). Any ideas, and an schematic diagram would be well appreciated. Claudio - LU3CFA |
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