Electronics > Repair

Wandel & Goltermann SNA-23 c-0022

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dimitris2:
Hallo 😊
I have a Wandel & Goltermann SNA-23 c-0022 and i would like any help you can give me......
After the starting process
Drive not ready error
Insert boot diskette in A:
Press any key when ready

m k:
Its type 8 hard disk is not operational.

Gerhard_dk4xp:
Hi,
there was a long thread here on SNA23-33 repair.
Zebra stripes on the display and such.
Drive A: and B: are both the floppy drive, with mechanical
swapping. C is the flash board, can be changed only
with a special bootable service disk.

There are 2 batteries: The usual Dallas clock chip with built-in
battery that was common in old PCs and an orange Renata
lithium battery.

<    https://www.eevblog.com/forum/repair/wg-sna-2023-spectrum-analyzer-repair/50/    >

The service disk is probably from the old thread.
The dd_from.... file is a image file made with the Linux command dd ( = disk dump ).

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