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Author: BeanieBob

DSO5102P Rotary knobs not working

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Post time 2020-6-10 22:00:00 | Show all posts
Hello,
I have the exact same issue on my dso5202p. It is very little used. Tried re-conneting the keyboard cable but the issue remaings.
The seller would'nt help me.  How do i fix this?

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Post time 2020-6-12 09:05:20 | Show all posts
BeanieBob replied at 2020-4-17 07:46
Hi wangshuang.

I have sent you serial number by private message and I am waiting for your

Sorry for the late reply, but i didn't receive your email. My address is wangshuang@hantek.com

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Post time 2020-6-12 09:10:10 | Show all posts
Dadhyo replied at 2020-6-10 04:05
Hello all,
I have exactly the same problem with a dso5202p. All rotating buttons have no effect as i ...

Please perform self-calibration, after that, is there an error code pop up?

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Post time 2020-6-12 09:13:44 | Show all posts
yomeromex replied at 2020-6-2 08:46
Hello, I have exactly the same issue, my oscilloscope is two years old but with very few use, after  ...

Please describe the failing problem, or take a video to me to check it.

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Post time 2020-6-13 22:59:21 | Show all posts
Hello.
I also have this issue. The scope is 1,5y old and is very little used. Re-connecting the keyboard cable did nothing.
Please advise how to solve this.

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Post time 2020-7-8 14:51:18 | Show all posts
BeanieBob replied at 2020-4-17 07:46
Hi wangshuang.

I have sent you serial number by private message and I am waiting for your

It is recommended to check this relay.

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Post time 2020-7-8 14:58:46 | Show all posts
yomeromex replied at 2020-6-2 08:46
Hello, I have exactly the same issue, my oscilloscope is two years old but with very few use, after  ...

It is recommended to check the relay.

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Post time 2020-7-8 14:59:20 | Show all posts
olrn replied at 2020-6-10 22:00
Hello,
I have the exact same issue on my dso5202p. It is very little used. Tried re-conneting the ke ...

It is recommended to check the relay.

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Post time 2020-7-9 00:38:57 | Show all posts
Edited by OASJ2YSeeEhBQo1 at 2020-7-17 08:35

Check this thread on EEVblog, someone had a similar problem and fix it by re-soldering some ICs on the keypad board: https://www.eevblog.com/forum/testgear/hantek-dso5102p-(5202p-firmware)-stuck-on-auto-set/

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Post time 2020-7-9 06:50:33 | Show all posts
Problem is U2 on front panel board. Try reflowing decoupling caps on both 74HC4051 mux/demux chips and pins 1 and 2 of U2 (rotary encoder signal pins). My scope DSO5102P now works (mostly).

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