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FT-857 Keyer

 

HI - use the FT-857 since long time for all Modes - no problems.
Now last IARU 6m Contest would switch to CW for QSO.
But the keyer does'nt work anymore.

Left paddle - dots
Right - nothing
when I change to REVERSE
Left paddle - dash
Right - nothing

MICKEY - up/dn - dot/dash? works.
ELEKEY - up/dn - works normal

Has anybody an idea ?
TNX Erich
 

开云体育

ohm out the right contact

On 8/10/2024 11:28 AM, HB9FIH wrote:

HI - use the FT-857 since long time for all Modes - no problems.
Now last IARU 6m Contest would switch to CW for QSO.
But the keyer does'nt work anymore.

Left paddle - dots
Right - nothing
when I change to REVERSE
Left paddle - dash
Right - nothing

MICKEY - up/dn - dot/dash? works.
ELEKEY - up/dn - works normal

Has anybody an idea ?
TNX Erich
 

Tnx
Found R1565 1k is blown.
Have a replacement on a Arduino stepper driver pcb.

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