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Hantek DSO5102P CH2 Failure

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Post time 2018-4-14 13:56:21 | Show all posts |Read mode
Edited by Zepto at 2018-4-14 15:03

Hello,
I had a problem with CH2 in my Hantek Oscilloscope.
First picture shows wave from PROBE COMP ~5V@1KHz connector.
.
The second picture shows CH1 and CH2 probe less.

Please Help.



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Post time 2018-4-17 08:49:03 | Show all posts



Sir, it shoule be the hardware fault, please contact your seller to return factory for repair.

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 Author| Post time 2018-4-17 22:46:50 | Show all posts
Did You had any idea what element can damage?
I can not give back to the seller.

The same problem:
https://www.youtube.com/watch?v=AFzqXdi8SWU

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Post time 2018-4-19 08:55:18 | Show all posts
Zepto replied at 2018-4-17 22:46
Did You had any idea what element can damage?
I can not give back to the seller.

Sir, please move CH2 up and down, will the waveform move along with it?

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 Author| Post time 2018-4-19 22:46:40 | Show all posts
Edited by Zepto at 2018-4-19 22:51

Yes.
The waveform move along with it.

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Post time 2018-4-20 08:45:11 | Show all posts
Zepto replied at 2018-4-19 22:46
Yes.
The waveform move along with it.

Sir, please try to replace these components in the picture.



D100: BAV99LT1G
Q100:SST4393-TI-E3(or MMBF4392LY1G)
Q101:LMBTH10LT1G(or MMBTH10LT1G)
Q102,Q103:BC846B


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 Author| Post time 2018-4-20 23:16:23 | Show all posts
Thanks, I will check and let you know.

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 Author| Post time 2018-4-22 02:41:05 | Show all posts
Thanks You so much.
You Are the Best.

I was change only D100, Q102 and Q103.

The Second channel as good as new.

Best wiches.
Zepto
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