Electronics > Repair
FY6900H-100M Not working anymore, worked before for 1 day new.
(1/1)
Pro443:
Hi there!

So, after 1 day ist stopped working, the all 3 channels inkl the counter, are dead. Is it worth to repair, or maybe someone shall have an interest to buy it as is.
So, bought by banggood mid 2023 have not been able to Test it bis i had a relyible source, the gpsdo mid tis year. Connected and the FY had terrible 500Hz + deviation and temp instability of 20Hz+ at one ouhr (at 10MHz). Luckily it is a soft correction function. And i been using it for 5 Times. After that i nave put it in the Standby mode and the next morning its dead.
What works now is the LCD, buttons and new Programm sees the Gen and can make a programming.

So, how i do repair this not having schematic? Some Photos are there, incl. Thermografie. Its Power on.

Thanks in advance,
Vadim.

PS,
I cant Upload Photos, how do i?
Pro443:
Some Pics as links.
https://paste.opensuse.org/pastes/380db8926b3e
https://paste.opensuse.org/pastes/24335bc230c9
https://paste.opensuse.org/pastes/a1de744ab62b
https://paste.opensuse.org/pastes/82a21b6b3b0c
https://paste.opensuse.org/pastes/8e868dc251ee
https://paste.opensuse.org/pastes/7f2f5440754d
https://paste.opensuse.org/pastes/ce5980ac0b2a
https://paste.opensuse.org/pastes/145940102635
https://paste.opensuse.org/pastes/d018adc67305
https://paste.opensuse.org/pastes/0cd1a0c80535
https://paste.opensuse.org/pastes/93221de205c8
https://paste.opensuse.org/pastes/d793389f33f7
https://paste.opensuse.org/pastes/5b9dcb77a7dd
https://paste.opensuse.org/pastes/b9f86cde8351

Thanks,
Vadim.






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