Products > Test Equipment

LeCroy WaveRunner 606Zi starting only every Nth try

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0xdeadbeef:
The button is working as before. The relay is clicking is as before. Just the main power and fans are not starting after the relay clicking.

Martin72:

--- Quote ---The mixture of not not booting up at all but still keeping time&date doesn't sound like a C-MOS battery issue to me.
--- End quote ---

Did you measure the battery voltage?
Anything below 3V, even 2.95, is suspicious.

Kosmic:
I would still put my money on a bad capacitor in the PSU.

The problem is you probably need to disassemble the whole thing to reach the PSU.

Personally, in your situation, I would simply declare it broken and let the company do what they do with broken stuff. Unfortunate if it get destroyed  :-\

tautech:

--- Quote from: 0xdeadbeef on April 20, 2024, 11:26:17 am ---The button is working as before. The relay is clicking is as before. Just the main power and fans are not starting after the relay clicking.

--- End quote ---
Ok at least behaviour is consistent.

A bad mobo cap will send the PSU into instant shutdown or there's a bad cap in the PSU.

0xdeadbeef:

--- Quote from: Kosmic on April 20, 2024, 03:57:44 pm ---I would still put my money on a bad capacitor in the PSU.

--- End quote ---
This would be also my assumption. I kinda hoped that someone here would have observed the exact same behavior, repaired it successfully and could give feedback how much effort it was.


--- Quote from: Kosmic on April 20, 2024, 03:57:44 pm ---Personally, in your situation, I would simply declare it broken and let the company do what they do with broken stuff. Unfortunate if it get destroyed  :-\

--- End quote ---
Ten years ago, this would have been a valid plan. Today, this will leave me with no scope or a much worse scope "borrowed" from somewhere. But I definitely wouldn't get a new scope or even a comparable one at my bench. Actually, it's rather clear that sooner or later I won't have my own bench anymore next to my desk but need to share it with colleagues who come to the office only once a week or so.
Sad times for engineering.

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