Electronics > Repair
TDS3014 adventures
Ordinaryman1971:
I have one of TDS3012 that powers up with white screen, floppy seeks and then just freezes, I know I've read somewhere somebody having the same problem and finding solution but I can't find it.... anybody kind enough to point me in the right direction.
It's not a crystal, it's all good, got it checked already....
Also.... any source of replacement LCD screens by any chance.
james_s:
I don't know about that hang, but I was able to buy a replacement LCD fairly easily. It's an older part but it's a standard off the shelf industrial TFT that was used in several other applications. I doubt the LCD is the cause of the white screen though.
Ordinaryman1971:
No, I didn't mean to imply that's the problem in this case... those are two separate questions.
I just wanted to know if there is a source of the LCDs for those scopes.
jgorsk:
I haven't used my TDS3032B for a few months and I just noticed that the battery
in the DS1742 RTC chip must be gone. RTC time, operating hours are completely wrong.
Ethernet doesn't work either.
I'm going to replace the chip with the DS1744W but I don't have a good data to program the RTC with.
Could someone share the contents of a good known DS1742 for the TDS3032B please?
sicco:
Start with power on reset while pressing B TRIG key. That re-inits some. But not all. The Ethernet bits are tricky.
Hex dumps or binary files have been posted on this forum. Maybe not for 3012-b exactly, but give it a try.
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