Electronics > Repair
W&G sna-20/23 spectrum analyzer repair
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Qw3rtzuiop:
It is IDE. The spare pins are not connected or connected to the hdd jumpers.
aseok:

--- Quote from: Qw3rtzuiop on October 27, 2020, 09:52:30 am ---
--- Quote from: Gerhard_dk4xp on October 26, 2020, 10:51:19 pm ---Seems not to be
the case, but it is still completely deaf.

--- End quote ---
My unit was also completly deaf. The trace was visible but no signals. The error was the missing -6.8V power supply rail. There was a broken diode in the power supply. After changing the diode the unit worked flawless again

--- End quote ---
Would you please send a video of your sna from booting up to main software start?
Thanks.
Qw3rtzuiop:
Here is the a video of the start up:
https://youtu.be/-rusvtIUkgI
NIKGEROS:
Hello everybody,

in case somebody could advise : I have a SNA-23 and facing BOOT problem. I use the disk but when the process is finished it keeps looping again asking for the disk.

thanks a lot,

Nikos
aseok:

--- Quote from: Qw3rtzuiop on November 18, 2020, 07:08:49 pm ---It is IDE. The spare pins are not connected or connected to the hdd jumpers.

--- End quote ---
does 40 pin ide connect at the middle of 50 pin connector, symmetrically?
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