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Title: Hantek DSO5102P CH2 Failure [Print this page]

Author: Zepto Time: 2018-4-14 13:56
Title: Hantek DSO5102P CH2 Failure
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.

Author: amy Time: 2018-4-17 08:49

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

Author: Zepto Time: 2018-4-17 22:46
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

Author: amy Time: 2018-4-19 08:55

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?

Author: Zepto Time: 2018-4-19 22:46
Edited by Zepto at 2018-4-19 22:51

Yes.
The waveform move along with it.

Author: amy Time: 2018-4-20 08:45

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.

[attach]2129[/attach]

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

Author: Zepto Time: 2018-4-20 23:16
Thanks, I will check and let you know.

Author: Zepto Time: 2018-4-22 02:41
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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